devicemapper: Remove non-general tests
Now that we have the generic graphtest tests that actually tests the driver we can remove the old mock-using tests. Almost all of these tests were disabled anyway, and the four remaining ones didn't really test much while at the same time being really fragile and making the rest of the code more complex due to the mocking setup. Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
This commit is contained in:
Alexander Larsson
parent
08a7bcf5db
commit
bd6fd25dfb
2 changed files with 18 additions and 1207 deletions
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@ -3,285 +3,35 @@
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package devmapper
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import (
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"github.com/dotcloud/docker/daemon/graphdriver/graphtest"
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"testing"
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)
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func TestTaskCreate(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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// Test success
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taskCreate(t, DeviceInfo)
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// Test Failure
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DmTaskCreate = dmTaskCreateFail
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defer func() { DmTaskCreate = dmTaskCreateFct }()
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if task := TaskCreate(-1); task != nil {
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t.Fatalf("An error should have occured while creating an invalid task.")
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}
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func init() {
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// Reduce the size the the base fs and loopback for the tests
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DefaultDataLoopbackSize = 300 * 1024 * 1024
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DefaultMetaDataLoopbackSize = 200 * 1024 * 1024
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DefaultBaseFsSize = 300 * 1024 * 1024
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}
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func TestTaskRun(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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task := taskCreate(t, DeviceInfo)
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// Test success
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// Perform the RUN
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if err := task.Run(); err != nil {
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t.Fatal(err)
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}
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// Make sure we don't have error with GetInfo
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if _, err := task.GetInfo(); err != nil {
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t.Fatal(err)
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}
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// Test failure
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DmTaskRun = dmTaskRunFail
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defer func() { DmTaskRun = dmTaskRunFct }()
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task = taskCreate(t, DeviceInfo)
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// Perform the RUN
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if err := task.Run(); err != ErrTaskRun {
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t.Fatalf("An error should have occured while running task.")
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}
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// Make sure GetInfo also fails
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if _, err := task.GetInfo(); err != ErrTaskGetInfo {
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t.Fatalf("GetInfo should fail if task.Run() failed.")
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}
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// This avoids creating a new driver for each test if all tests are run
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// Make sure to put new tests between TestDevmapperSetup and TestDevmapperTeardown
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func TestDevmapperSetup(t *testing.T) {
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graphtest.GetDriver(t, "devicemapper")
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}
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func TestTaskSetName(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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task := taskCreate(t, DeviceInfo)
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// Test success
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if err := task.SetName("test"); err != nil {
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t.Fatal(err)
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}
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// Test failure
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DmTaskSetName = dmTaskSetNameFail
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defer func() { DmTaskSetName = dmTaskSetNameFct }()
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if err := task.SetName("test"); err != ErrTaskSetName {
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t.Fatalf("An error should have occured while runnign SetName.")
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}
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func TestDevmapperCreateEmpty(t *testing.T) {
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graphtest.DriverTestCreateEmpty(t, "devicemapper")
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}
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func TestTaskSetMessage(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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task := taskCreate(t, DeviceInfo)
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// Test success
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if err := task.SetMessage("test"); err != nil {
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t.Fatal(err)
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}
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// Test failure
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DmTaskSetMessage = dmTaskSetMessageFail
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defer func() { DmTaskSetMessage = dmTaskSetMessageFct }()
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if err := task.SetMessage("test"); err != ErrTaskSetMessage {
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t.Fatalf("An error should have occured while runnign SetMessage.")
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}
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func TestDevmapperCreateBase(t *testing.T) {
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graphtest.DriverTestCreateBase(t, "devicemapper")
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}
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func TestTaskSetSector(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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task := taskCreate(t, DeviceInfo)
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// Test success
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if err := task.SetSector(128); err != nil {
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t.Fatal(err)
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}
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DmTaskSetSector = dmTaskSetSectorFail
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defer func() { DmTaskSetSector = dmTaskSetSectorFct }()
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// Test failure
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if err := task.SetSector(0); err != ErrTaskSetSector {
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t.Fatalf("An error should have occured while running SetSector.")
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}
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func TestDevmapperCreateSnap(t *testing.T) {
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graphtest.DriverTestCreateSnap(t, "devicemapper")
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}
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func TestTaskSetCookie(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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var (
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cookie uint = 0
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task = taskCreate(t, DeviceInfo)
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)
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// Test success
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if err := task.SetCookie(&cookie, 0); err != nil {
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t.Fatal(err)
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}
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// Test failure
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if err := task.SetCookie(nil, 0); err != ErrNilCookie {
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t.Fatalf("An error should have occured while running SetCookie with nil cookie.")
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}
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DmTaskSetCookie = dmTaskSetCookieFail
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defer func() { DmTaskSetCookie = dmTaskSetCookieFct }()
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if err := task.SetCookie(&cookie, 0); err != ErrTaskSetCookie {
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t.Fatalf("An error should have occured while running SetCookie.")
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}
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}
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func TestTaskSetAddNode(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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task := taskCreate(t, DeviceInfo)
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// Test success
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if err := task.SetAddNode(0); err != nil {
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t.Fatal(err)
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}
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// Test failure
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if err := task.SetAddNode(-1); err != ErrInvalidAddNode {
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t.Fatalf("An error should have occured running SetAddNode with wrong node.")
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}
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DmTaskSetAddNode = dmTaskSetAddNodeFail
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defer func() { DmTaskSetAddNode = dmTaskSetAddNodeFct }()
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if err := task.SetAddNode(0); err != ErrTaskSetAddNode {
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t.Fatalf("An error should have occured running SetAddNode.")
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}
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}
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func TestTaskSetRo(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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task := taskCreate(t, DeviceInfo)
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// Test success
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if err := task.SetRo(); err != nil {
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t.Fatal(err)
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}
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// Test failure
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DmTaskSetRo = dmTaskSetRoFail
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defer func() { DmTaskSetRo = dmTaskSetRoFct }()
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if err := task.SetRo(); err != ErrTaskSetRo {
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t.Fatalf("An error should have occured running SetRo.")
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}
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}
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func TestTaskAddTarget(t *testing.T) {
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t.Skip("FIXME: not a unit test")
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task := taskCreate(t, DeviceInfo)
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// Test success
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if err := task.AddTarget(0, 128, "thinp", ""); err != nil {
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t.Fatal(err)
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}
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// Test failure
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DmTaskAddTarget = dmTaskAddTargetFail
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defer func() { DmTaskAddTarget = dmTaskAddTargetFct }()
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if err := task.AddTarget(0, 128, "thinp", ""); err != ErrTaskAddTarget {
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t.Fatalf("An error should have occured running AddTarget.")
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}
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}
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// func TestTaskGetInfo(t *testing.T) {
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// task := taskCreate(t, DeviceInfo)
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// // Test success
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// if _, err := task.GetInfo(); err != nil {
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// t.Fatal(err)
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// }
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// // Test failure
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// DmTaskGetInfo = dmTaskGetInfoFail
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// defer func() { DmTaskGetInfo = dmTaskGetInfoFct }()
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// if _, err := task.GetInfo(); err != ErrTaskGetInfo {
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// t.Fatalf("An error should have occured running GetInfo.")
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// }
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// }
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// func TestTaskGetNextTarget(t *testing.T) {
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// task := taskCreate(t, DeviceInfo)
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// if next, _, _, _, _ := task.GetNextTarget(0); next == 0 {
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// t.Fatalf("The next target should not be 0.")
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// }
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// }
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/// Utils
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func taskCreate(t *testing.T, taskType TaskType) *Task {
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task := TaskCreate(taskType)
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if task == nil {
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t.Fatalf("Error creating task")
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}
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return task
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}
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/// Failure function replacement
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func dmTaskCreateFail(t int) *CDmTask {
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return nil
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}
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func dmTaskRunFail(task *CDmTask) int {
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return -1
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}
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func dmTaskSetNameFail(task *CDmTask, name string) int {
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return -1
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}
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func dmTaskSetMessageFail(task *CDmTask, message string) int {
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return -1
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}
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func dmTaskSetSectorFail(task *CDmTask, sector uint64) int {
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return -1
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}
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func dmTaskSetCookieFail(task *CDmTask, cookie *uint, flags uint16) int {
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return -1
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}
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func dmTaskSetAddNodeFail(task *CDmTask, addNode AddNodeType) int {
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return -1
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}
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func dmTaskSetRoFail(task *CDmTask) int {
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return -1
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}
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func dmTaskAddTargetFail(task *CDmTask,
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start, size uint64, ttype, params string) int {
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return -1
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}
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func dmTaskGetInfoFail(task *CDmTask, info *Info) int {
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return -1
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}
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func dmGetNextTargetFail(task *CDmTask, next uintptr, start, length *uint64,
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target, params *string) uintptr {
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return 0
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}
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func dmAttachLoopDeviceFail(filename string, fd *int) string {
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return ""
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}
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func sysGetBlockSizeFail(fd uintptr, size *uint64) sysErrno {
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return 1
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}
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func dmUdevWaitFail(cookie uint) int {
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return -1
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}
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func dmSetDevDirFail(dir string) int {
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return -1
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}
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func dmGetLibraryVersionFail(version *string) int {
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return -1
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func TestDevmapperTeardown(t *testing.T) {
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graphtest.PutDriver(t)
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}
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@ -1,939 +0,0 @@
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// +build linux,amd64
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package devmapper
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import (
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"fmt"
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"github.com/dotcloud/docker/daemon/graphdriver"
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"github.com/dotcloud/docker/daemon/graphdriver/graphtest"
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"io/ioutil"
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"path"
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"runtime"
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"strings"
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"syscall"
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"testing"
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)
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func init() {
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// Reduce the size the the base fs and loopback for the tests
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DefaultDataLoopbackSize = 300 * 1024 * 1024
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DefaultMetaDataLoopbackSize = 200 * 1024 * 1024
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DefaultBaseFsSize = 300 * 1024 * 1024
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}
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// We use assignment here to get the right type
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var (
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oldMounted = Mounted
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oldExecRun = execRun
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)
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// denyAllDevmapper mocks all calls to libdevmapper in the unit tests, and denies them by default
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func denyAllDevmapper() {
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oldExecRun = execRun
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// Hijack all calls to libdevmapper with default panics.
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// Authorized calls are selectively hijacked in each tests.
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DmTaskCreate = func(t int) *CDmTask {
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panic("DmTaskCreate: this method should not be called here")
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}
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DmTaskRun = func(task *CDmTask) int {
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panic("DmTaskRun: this method should not be called here")
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}
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DmTaskSetName = func(task *CDmTask, name string) int {
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panic("DmTaskSetName: this method should not be called here")
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}
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DmTaskSetMessage = func(task *CDmTask, message string) int {
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panic("DmTaskSetMessage: this method should not be called here")
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}
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DmTaskSetSector = func(task *CDmTask, sector uint64) int {
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panic("DmTaskSetSector: this method should not be called here")
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}
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DmTaskSetCookie = func(task *CDmTask, cookie *uint, flags uint16) int {
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panic("DmTaskSetCookie: this method should not be called here")
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}
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DmTaskSetAddNode = func(task *CDmTask, addNode AddNodeType) int {
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panic("DmTaskSetAddNode: this method should not be called here")
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}
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DmTaskSetRo = func(task *CDmTask) int {
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panic("DmTaskSetRo: this method should not be called here")
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}
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DmTaskAddTarget = func(task *CDmTask, start, size uint64, ttype, params string) int {
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panic("DmTaskAddTarget: this method should not be called here")
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}
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DmTaskGetInfo = func(task *CDmTask, info *Info) int {
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panic("DmTaskGetInfo: this method should not be called here")
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}
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DmGetNextTarget = func(task *CDmTask, next uintptr, start, length *uint64, target, params *string) uintptr {
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panic("DmGetNextTarget: this method should not be called here")
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}
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DmUdevWait = func(cookie uint) int {
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panic("DmUdevWait: this method should not be called here")
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}
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DmSetDevDir = func(dir string) int {
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panic("DmSetDevDir: this method should not be called here")
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}
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DmGetLibraryVersion = func(version *string) int {
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panic("DmGetLibraryVersion: this method should not be called here")
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}
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DmLogInitVerbose = func(level int) {
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panic("DmLogInitVerbose: this method should not be called here")
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}
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DmTaskDestroy = func(task *CDmTask) {
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panic("DmTaskDestroy: this method should not be called here")
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}
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LogWithErrnoInit = func() {
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panic("LogWithErrnoInit: this method should not be called here")
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}
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}
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func restoreAllDevmapper() {
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DmGetLibraryVersion = dmGetLibraryVersionFct
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DmGetNextTarget = dmGetNextTargetFct
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DmLogInitVerbose = dmLogInitVerboseFct
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DmSetDevDir = dmSetDevDirFct
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DmTaskAddTarget = dmTaskAddTargetFct
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DmTaskCreate = dmTaskCreateFct
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DmTaskDestroy = dmTaskDestroyFct
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DmTaskGetInfo = dmTaskGetInfoFct
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DmTaskRun = dmTaskRunFct
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DmTaskSetAddNode = dmTaskSetAddNodeFct
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DmTaskSetCookie = dmTaskSetCookieFct
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DmTaskSetMessage = dmTaskSetMessageFct
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DmTaskSetName = dmTaskSetNameFct
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DmTaskSetRo = dmTaskSetRoFct
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DmTaskSetSector = dmTaskSetSectorFct
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DmUdevWait = dmUdevWaitFct
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LogWithErrnoInit = logWithErrnoInitFct
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execRun = oldExecRun
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}
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func denyAllSyscall() {
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oldMounted = Mounted
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sysMount = func(source, target, fstype string, flags uintptr, data string) (err error) {
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panic("sysMount: this method should not be called here")
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}
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sysUnmount = func(target string, flags int) (err error) {
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panic("sysUnmount: this method should not be called here")
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}
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sysCloseOnExec = func(fd int) {
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panic("sysCloseOnExec: this method should not be called here")
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}
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sysSyscall = func(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
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panic("sysSyscall: this method should not be called here")
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}
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// Not a syscall, but forbidding it here anyway
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Mounted = func(mnt string) (bool, error) {
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panic("devmapper.Mounted: this method should not be called here")
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}
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// osOpenFile = os.OpenFile
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// osNewFile = os.NewFile
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// osCreate = os.Create
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// osStat = os.Stat
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// osIsNotExist = os.IsNotExist
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// osIsExist = os.IsExist
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// osMkdirAll = os.MkdirAll
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// osRemoveAll = os.RemoveAll
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// osRename = os.Rename
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// osReadlink = os.Readlink
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// execRun = func(name string, args ...string) error {
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// return exec.Command(name, args...).Run()
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// }
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}
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func restoreAllSyscall() {
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sysMount = syscall.Mount
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sysUnmount = syscall.Unmount
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sysCloseOnExec = syscall.CloseOnExec
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sysSyscall = syscall.Syscall
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Mounted = oldMounted
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}
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func mkTestDirectory(t *testing.T) string {
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dir, err := ioutil.TempDir("", "docker-test-devmapper-")
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if err != nil {
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t.Fatal(err)
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}
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return dir
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}
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func newDriver(t *testing.T) *Driver {
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home := mkTestDirectory(t)
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d, err := Init(home)
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if err != nil {
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t.Fatal(err)
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}
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return d.(*Driver)
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}
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func cleanup(d *Driver) {
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d.Cleanup()
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osRemoveAll(d.home)
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}
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type Set map[string]bool
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func (r Set) Assert(t *testing.T, names ...string) {
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for _, key := range names {
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required := true
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if strings.HasPrefix(key, "?") {
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key = key[1:]
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required = false
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||||
}
|
||||
if _, exists := r[key]; !exists && required {
|
||||
t.Fatalf("Key not set: %s", key)
|
||||
}
|
||||
delete(r, key)
|
||||
}
|
||||
if len(r) != 0 {
|
||||
t.Fatalf("Unexpected keys: %v", r)
|
||||
}
|
||||
}
|
||||
|
||||
func TestInit(t *testing.T) {
|
||||
var (
|
||||
calls = make(Set)
|
||||
taskMessages = make(Set)
|
||||
taskTypes = make(Set)
|
||||
home = mkTestDirectory(t)
|
||||
)
|
||||
defer osRemoveAll(home)
|
||||
|
||||
denyAllDevmapper()
|
||||
defer restoreAllDevmapper()
|
||||
|
||||
func() {
|
||||
DmSetDevDir = func(dir string) int {
|
||||
calls["DmSetDevDir"] = true
|
||||
expectedDir := "/dev"
|
||||
if dir != expectedDir {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmSetDevDir(%v)\nReceived: DmSetDevDir(%v)\n", expectedDir, dir)
|
||||
}
|
||||
return 0
|
||||
}
|
||||
LogWithErrnoInit = func() {
|
||||
calls["DmLogWithErrnoInit"] = true
|
||||
}
|
||||
var task1 CDmTask
|
||||
DmTaskCreate = func(taskType int) *CDmTask {
|
||||
calls["DmTaskCreate"] = true
|
||||
taskTypes[fmt.Sprintf("%d", taskType)] = true
|
||||
return &task1
|
||||
}
|
||||
DmTaskSetName = func(task *CDmTask, name string) int {
|
||||
calls["DmTaskSetName"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskSetName(%v)\nReceived: DmTaskSetName(%v)\n", expectedTask, task)
|
||||
}
|
||||
// FIXME: use Set.AssertRegexp()
|
||||
if !strings.HasPrefix(name, "docker-") && !strings.HasPrefix(name, "/dev/mapper/docker-") ||
|
||||
!strings.HasSuffix(name, "-pool") && !strings.HasSuffix(name, "-base") {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskSetName(%v)\nReceived: DmTaskSetName(%v)\n", "docker-...-pool", name)
|
||||
}
|
||||
return 1
|
||||
}
|
||||
DmTaskRun = func(task *CDmTask) int {
|
||||
calls["DmTaskRun"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskRun(%v)\nReceived: DmTaskRun(%v)\n", expectedTask, task)
|
||||
}
|
||||
return 1
|
||||
}
|
||||
DmTaskGetInfo = func(task *CDmTask, info *Info) int {
|
||||
calls["DmTaskGetInfo"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskGetInfo(%v)\nReceived: DmTaskGetInfo(%v)\n", expectedTask, task)
|
||||
}
|
||||
// This will crash if info is not dereferenceable
|
||||
info.Exists = 0
|
||||
return 1
|
||||
}
|
||||
DmTaskSetSector = func(task *CDmTask, sector uint64) int {
|
||||
calls["DmTaskSetSector"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskSetSector(%v)\nReceived: DmTaskSetSector(%v)\n", expectedTask, task)
|
||||
}
|
||||
if expectedSector := uint64(0); sector != expectedSector {
|
||||
t.Fatalf("Wrong libdevmapper call to DmTaskSetSector\nExpected: %v\nReceived: %v\n", expectedSector, sector)
|
||||
}
|
||||
return 1
|
||||
}
|
||||
DmTaskSetMessage = func(task *CDmTask, message string) int {
|
||||
calls["DmTaskSetMessage"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskSetSector(%v)\nReceived: DmTaskSetSector(%v)\n", expectedTask, task)
|
||||
}
|
||||
taskMessages[message] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskDestroy = func(task *CDmTask) {
|
||||
calls["DmTaskDestroy"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskDestroy(%v)\nReceived: DmTaskDestroy(%v)\n", expectedTask, task)
|
||||
}
|
||||
}
|
||||
DmTaskAddTarget = func(task *CDmTask, start, size uint64, ttype, params string) int {
|
||||
calls["DmTaskSetTarget"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskDestroy(%v)\nReceived: DmTaskDestroy(%v)\n", expectedTask, task)
|
||||
}
|
||||
if start != 0 {
|
||||
t.Fatalf("Wrong start: %d != %d", start, 0)
|
||||
}
|
||||
if ttype != "thin" && ttype != "thin-pool" {
|
||||
t.Fatalf("Wrong ttype: %s", ttype)
|
||||
}
|
||||
// Quick smoke test
|
||||
if params == "" {
|
||||
t.Fatalf("Params should not be empty")
|
||||
}
|
||||
return 1
|
||||
}
|
||||
fakeCookie := uint(4321)
|
||||
DmTaskSetCookie = func(task *CDmTask, cookie *uint, flags uint16) int {
|
||||
calls["DmTaskSetCookie"] = true
|
||||
expectedTask := &task1
|
||||
if task != expectedTask {
|
||||
t.Fatalf("Wrong libdevmapper call\nExpected: DmTaskDestroy(%v)\nReceived: DmTaskDestroy(%v)\n", expectedTask, task)
|
||||
}
|
||||
if flags != 0 {
|
||||
t.Fatalf("Cookie flags should be 0 (not %x)", flags)
|
||||
}
|
||||
*cookie = fakeCookie
|
||||
return 1
|
||||
}
|
||||
DmUdevWait = func(cookie uint) int {
|
||||
calls["DmUdevWait"] = true
|
||||
if cookie != fakeCookie {
|
||||
t.Fatalf("Wrong cookie: %d != %d", cookie, fakeCookie)
|
||||
}
|
||||
return 1
|
||||
}
|
||||
DmTaskSetAddNode = func(task *CDmTask, addNode AddNodeType) int {
|
||||
if addNode != AddNodeOnCreate {
|
||||
t.Fatalf("Wrong AddNoteType: %v (expected %v)", addNode, AddNodeOnCreate)
|
||||
}
|
||||
calls["DmTaskSetAddNode"] = true
|
||||
return 1
|
||||
}
|
||||
execRun = func(name string, args ...string) error {
|
||||
calls["execRun"] = true
|
||||
if name != "mkfs.ext4" {
|
||||
t.Fatalf("Expected %s to be executed, not %s", "mkfs.ext4", name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
driver, err := Init(home)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer func() {
|
||||
if err := driver.Cleanup(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}()
|
||||
}()
|
||||
// Put all tests in a function to make sure the garbage collection will
|
||||
// occur.
|
||||
|
||||
// Call GC to cleanup runtime.Finalizers
|
||||
runtime.GC()
|
||||
|
||||
calls.Assert(t,
|
||||
"DmSetDevDir",
|
||||
"DmLogWithErrnoInit",
|
||||
"DmTaskSetName",
|
||||
"DmTaskRun",
|
||||
"DmTaskGetInfo",
|
||||
"DmTaskDestroy",
|
||||
"execRun",
|
||||
"DmTaskCreate",
|
||||
"DmTaskSetTarget",
|
||||
"DmTaskSetCookie",
|
||||
"DmUdevWait",
|
||||
"DmTaskSetSector",
|
||||
"DmTaskSetMessage",
|
||||
"DmTaskSetAddNode",
|
||||
)
|
||||
taskTypes.Assert(t, "0", "6", "17")
|
||||
taskMessages.Assert(t, "create_thin 0", "set_transaction_id 0 1")
|
||||
}
|
||||
|
||||
func fakeInit() func(home string) (graphdriver.Driver, error) {
|
||||
oldInit := Init
|
||||
Init = func(home string) (graphdriver.Driver, error) {
|
||||
return &Driver{
|
||||
home: home,
|
||||
}, nil
|
||||
}
|
||||
return oldInit
|
||||
}
|
||||
|
||||
func restoreInit(init func(home string) (graphdriver.Driver, error)) {
|
||||
Init = init
|
||||
}
|
||||
|
||||
func mockAllDevmapper(calls Set) {
|
||||
DmSetDevDir = func(dir string) int {
|
||||
calls["DmSetDevDir"] = true
|
||||
return 0
|
||||
}
|
||||
LogWithErrnoInit = func() {
|
||||
calls["DmLogWithErrnoInit"] = true
|
||||
}
|
||||
DmTaskCreate = func(taskType int) *CDmTask {
|
||||
calls["DmTaskCreate"] = true
|
||||
return &CDmTask{}
|
||||
}
|
||||
DmTaskSetName = func(task *CDmTask, name string) int {
|
||||
calls["DmTaskSetName"] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskRun = func(task *CDmTask) int {
|
||||
calls["DmTaskRun"] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskGetInfo = func(task *CDmTask, info *Info) int {
|
||||
calls["DmTaskGetInfo"] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskSetSector = func(task *CDmTask, sector uint64) int {
|
||||
calls["DmTaskSetSector"] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskSetMessage = func(task *CDmTask, message string) int {
|
||||
calls["DmTaskSetMessage"] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskDestroy = func(task *CDmTask) {
|
||||
calls["DmTaskDestroy"] = true
|
||||
}
|
||||
DmTaskAddTarget = func(task *CDmTask, start, size uint64, ttype, params string) int {
|
||||
calls["DmTaskSetTarget"] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskSetCookie = func(task *CDmTask, cookie *uint, flags uint16) int {
|
||||
calls["DmTaskSetCookie"] = true
|
||||
return 1
|
||||
}
|
||||
DmUdevWait = func(cookie uint) int {
|
||||
calls["DmUdevWait"] = true
|
||||
return 1
|
||||
}
|
||||
DmTaskSetAddNode = func(task *CDmTask, addNode AddNodeType) int {
|
||||
calls["DmTaskSetAddNode"] = true
|
||||
return 1
|
||||
}
|
||||
execRun = func(name string, args ...string) error {
|
||||
calls["execRun"] = true
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func TestDriverName(t *testing.T) {
|
||||
denyAllDevmapper()
|
||||
defer restoreAllDevmapper()
|
||||
|
||||
oldInit := fakeInit()
|
||||
defer restoreInit(oldInit)
|
||||
|
||||
d := newDriver(t)
|
||||
if d.String() != "devicemapper" {
|
||||
t.Fatalf("Expected driver name to be devicemapper got %s", d.String())
|
||||
}
|
||||
}
|
||||
|
||||
func TestDriverCreate(t *testing.T) {
|
||||
denyAllDevmapper()
|
||||
denyAllSyscall()
|
||||
defer restoreAllSyscall()
|
||||
defer restoreAllDevmapper()
|
||||
|
||||
calls := make(Set)
|
||||
mockAllDevmapper(calls)
|
||||
|
||||
sysMount = func(source, target, fstype string, flags uintptr, data string) (err error) {
|
||||
calls["sysMount"] = true
|
||||
// FIXME: compare the exact source and target strings (inodes + devname)
|
||||
if expectedSource := "/dev/mapper/docker-"; !strings.HasPrefix(source, expectedSource) {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedSource, source)
|
||||
}
|
||||
if expectedTarget := "/tmp/docker-test-devmapper-"; !strings.HasPrefix(target, expectedTarget) {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedTarget, target)
|
||||
}
|
||||
if expectedFstype := "ext4"; fstype != expectedFstype {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedFstype, fstype)
|
||||
}
|
||||
if expectedFlags := uintptr(3236757504); flags != expectedFlags {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedFlags, flags)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
sysUnmount = func(target string, flag int) error {
|
||||
//calls["sysUnmount"] = true
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
Mounted = func(mnt string) (bool, error) {
|
||||
calls["Mounted"] = true
|
||||
if !strings.HasPrefix(mnt, "/tmp/docker-test-devmapper-") || !strings.HasSuffix(mnt, "/mnt/1") {
|
||||
t.Fatalf("Wrong mounted call\nExpected: Mounted(%v)\nReceived: Mounted(%v)\n", "/tmp/docker-test-devmapper-.../mnt/1", mnt)
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
|
||||
sysSyscall = func(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
|
||||
calls["sysSyscall"] = true
|
||||
if trap != sysSysIoctl {
|
||||
t.Fatalf("Unexpected syscall. Expecting SYS_IOCTL, received: %d", trap)
|
||||
}
|
||||
switch a2 {
|
||||
case LoopSetFd:
|
||||
calls["ioctl.loopsetfd"] = true
|
||||
case LoopCtlGetFree:
|
||||
calls["ioctl.loopctlgetfree"] = true
|
||||
case LoopGetStatus64:
|
||||
calls["ioctl.loopgetstatus"] = true
|
||||
case LoopSetStatus64:
|
||||
calls["ioctl.loopsetstatus"] = true
|
||||
case LoopClrFd:
|
||||
calls["ioctl.loopclrfd"] = true
|
||||
case LoopSetCapacity:
|
||||
calls["ioctl.loopsetcapacity"] = true
|
||||
case BlkGetSize64:
|
||||
calls["ioctl.blkgetsize"] = true
|
||||
default:
|
||||
t.Fatalf("Unexpected IOCTL. Received %d", a2)
|
||||
}
|
||||
return 0, 0, 0
|
||||
}
|
||||
|
||||
func() {
|
||||
d := newDriver(t)
|
||||
|
||||
calls.Assert(t,
|
||||
"DmSetDevDir",
|
||||
"DmLogWithErrnoInit",
|
||||
"DmTaskSetName",
|
||||
"DmTaskRun",
|
||||
"DmTaskGetInfo",
|
||||
"execRun",
|
||||
"DmTaskCreate",
|
||||
"DmTaskSetTarget",
|
||||
"DmTaskSetCookie",
|
||||
"DmUdevWait",
|
||||
"DmTaskSetSector",
|
||||
"DmTaskSetMessage",
|
||||
"DmTaskSetAddNode",
|
||||
"sysSyscall",
|
||||
"ioctl.blkgetsize",
|
||||
"ioctl.loopsetfd",
|
||||
"ioctl.loopsetstatus",
|
||||
"?ioctl.loopctlgetfree",
|
||||
)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
calls.Assert(t,
|
||||
"DmTaskCreate",
|
||||
"DmTaskGetInfo",
|
||||
"DmTaskRun",
|
||||
"DmTaskSetSector",
|
||||
"DmTaskSetName",
|
||||
"DmTaskSetMessage",
|
||||
)
|
||||
|
||||
}()
|
||||
|
||||
runtime.GC()
|
||||
|
||||
calls.Assert(t,
|
||||
"DmTaskDestroy",
|
||||
)
|
||||
}
|
||||
|
||||
func TestDriverRemove(t *testing.T) {
|
||||
denyAllDevmapper()
|
||||
denyAllSyscall()
|
||||
defer restoreAllSyscall()
|
||||
defer restoreAllDevmapper()
|
||||
|
||||
calls := make(Set)
|
||||
mockAllDevmapper(calls)
|
||||
|
||||
sysMount = func(source, target, fstype string, flags uintptr, data string) (err error) {
|
||||
calls["sysMount"] = true
|
||||
// FIXME: compare the exact source and target strings (inodes + devname)
|
||||
if expectedSource := "/dev/mapper/docker-"; !strings.HasPrefix(source, expectedSource) {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedSource, source)
|
||||
}
|
||||
if expectedTarget := "/tmp/docker-test-devmapper-"; !strings.HasPrefix(target, expectedTarget) {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedTarget, target)
|
||||
}
|
||||
if expectedFstype := "ext4"; fstype != expectedFstype {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedFstype, fstype)
|
||||
}
|
||||
if expectedFlags := uintptr(3236757504); flags != expectedFlags {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedFlags, flags)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
sysUnmount = func(target string, flags int) (err error) {
|
||||
// FIXME: compare the exact source and target strings (inodes + devname)
|
||||
if expectedTarget := "/tmp/docker-test-devmapper-"; !strings.HasPrefix(target, expectedTarget) {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedTarget, target)
|
||||
}
|
||||
if expectedFlags := 0; flags != expectedFlags {
|
||||
t.Fatalf("Wrong syscall call\nExpected: Mount(%v)\nReceived: Mount(%v)\n", expectedFlags, flags)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
Mounted = func(mnt string) (bool, error) {
|
||||
calls["Mounted"] = true
|
||||
return false, nil
|
||||
}
|
||||
|
||||
sysSyscall = func(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
|
||||
calls["sysSyscall"] = true
|
||||
if trap != sysSysIoctl {
|
||||
t.Fatalf("Unexpected syscall. Expecting SYS_IOCTL, received: %d", trap)
|
||||
}
|
||||
switch a2 {
|
||||
case LoopSetFd:
|
||||
calls["ioctl.loopsetfd"] = true
|
||||
case LoopCtlGetFree:
|
||||
calls["ioctl.loopctlgetfree"] = true
|
||||
case LoopGetStatus64:
|
||||
calls["ioctl.loopgetstatus"] = true
|
||||
case LoopSetStatus64:
|
||||
calls["ioctl.loopsetstatus"] = true
|
||||
case LoopClrFd:
|
||||
calls["ioctl.loopclrfd"] = true
|
||||
case LoopSetCapacity:
|
||||
calls["ioctl.loopsetcapacity"] = true
|
||||
case BlkGetSize64:
|
||||
calls["ioctl.blkgetsize"] = true
|
||||
default:
|
||||
t.Fatalf("Unexpected IOCTL. Received %d", a2)
|
||||
}
|
||||
return 0, 0, 0
|
||||
}
|
||||
|
||||
func() {
|
||||
d := newDriver(t)
|
||||
|
||||
calls.Assert(t,
|
||||
"DmSetDevDir",
|
||||
"DmLogWithErrnoInit",
|
||||
"DmTaskSetName",
|
||||
"DmTaskRun",
|
||||
"DmTaskGetInfo",
|
||||
"execRun",
|
||||
"DmTaskCreate",
|
||||
"DmTaskSetTarget",
|
||||
"DmTaskSetCookie",
|
||||
"DmUdevWait",
|
||||
"DmTaskSetSector",
|
||||
"DmTaskSetMessage",
|
||||
"DmTaskSetAddNode",
|
||||
"sysSyscall",
|
||||
"ioctl.blkgetsize",
|
||||
"ioctl.loopsetfd",
|
||||
"ioctl.loopsetstatus",
|
||||
"?ioctl.loopctlgetfree",
|
||||
)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
calls.Assert(t,
|
||||
"DmTaskCreate",
|
||||
"DmTaskGetInfo",
|
||||
"DmTaskRun",
|
||||
"DmTaskSetSector",
|
||||
"DmTaskSetName",
|
||||
"DmTaskSetMessage",
|
||||
)
|
||||
|
||||
Mounted = func(mnt string) (bool, error) {
|
||||
calls["Mounted"] = true
|
||||
return true, nil
|
||||
}
|
||||
|
||||
if err := d.Remove("1"); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
calls.Assert(t,
|
||||
"DmTaskRun",
|
||||
"DmTaskSetSector",
|
||||
"DmTaskSetName",
|
||||
"DmTaskSetMessage",
|
||||
"DmTaskCreate",
|
||||
"DmTaskGetInfo",
|
||||
"DmTaskSetCookie",
|
||||
"DmTaskSetTarget",
|
||||
"DmTaskSetAddNode",
|
||||
"DmUdevWait",
|
||||
)
|
||||
}()
|
||||
runtime.GC()
|
||||
|
||||
calls.Assert(t,
|
||||
"DmTaskDestroy",
|
||||
)
|
||||
}
|
||||
|
||||
func TestCleanup(t *testing.T) {
|
||||
t.Skip("FIXME: not a unit test")
|
||||
t.Skip("Unimplemented")
|
||||
d := newDriver(t)
|
||||
defer osRemoveAll(d.home)
|
||||
|
||||
mountPoints := make([]string, 2)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
// Mount the id
|
||||
p, err := d.Get("1", "")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
mountPoints[0] = p
|
||||
|
||||
if err := d.Create("2", "1"); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
p, err = d.Get("2", "")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
mountPoints[1] = p
|
||||
|
||||
// Ensure that all the mount points are currently mounted
|
||||
for _, p := range mountPoints {
|
||||
if mounted, err := Mounted(p); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if !mounted {
|
||||
t.Fatalf("Expected %s to be mounted", p)
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that devices are active
|
||||
for _, p := range []string{"1", "2"} {
|
||||
if !d.HasActivatedDevice(p) {
|
||||
t.Fatalf("Expected %s to have an active device", p)
|
||||
}
|
||||
}
|
||||
|
||||
if err := d.Cleanup(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Ensure that all the mount points are no longer mounted
|
||||
for _, p := range mountPoints {
|
||||
if mounted, err := Mounted(p); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if mounted {
|
||||
t.Fatalf("Expected %s to not be mounted", p)
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure that devices are no longer activated
|
||||
for _, p := range []string{"1", "2"} {
|
||||
if d.HasActivatedDevice(p) {
|
||||
t.Fatalf("Expected %s not be an active device", p)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestNotMounted(t *testing.T) {
|
||||
t.Skip("FIXME: not a unit test")
|
||||
t.Skip("Not implemented")
|
||||
d := newDriver(t)
|
||||
defer cleanup(d)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
mounted, err := Mounted(path.Join(d.home, "mnt", "1"))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if mounted {
|
||||
t.Fatal("Id 1 should not be mounted")
|
||||
}
|
||||
}
|
||||
|
||||
func TestMounted(t *testing.T) {
|
||||
t.Skip("FIXME: not a unit test")
|
||||
d := newDriver(t)
|
||||
defer cleanup(d)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := d.Get("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
mounted, err := Mounted(path.Join(d.home, "mnt", "1"))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if !mounted {
|
||||
t.Fatal("Id 1 should be mounted")
|
||||
}
|
||||
}
|
||||
|
||||
func TestInitCleanedDriver(t *testing.T) {
|
||||
t.Skip("FIXME: not a unit test")
|
||||
d := newDriver(t)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := d.Get("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
if err := d.Cleanup(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
driver, err := Init(d.home)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
d = driver.(*Driver)
|
||||
defer cleanup(d)
|
||||
|
||||
if _, err := d.Get("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMountMountedDriver(t *testing.T) {
|
||||
t.Skip("FIXME: not a unit test")
|
||||
d := newDriver(t)
|
||||
defer cleanup(d)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Perform get on same id to ensure that it will
|
||||
// not be mounted twice
|
||||
if _, err := d.Get("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := d.Get("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestGetReturnsValidDevice(t *testing.T) {
|
||||
t.Skip("FIXME: not a unit test")
|
||||
d := newDriver(t)
|
||||
defer cleanup(d)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
if !d.HasDevice("1") {
|
||||
t.Fatalf("Expected id 1 to be in device set")
|
||||
}
|
||||
|
||||
if _, err := d.Get("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
if !d.HasActivatedDevice("1") {
|
||||
t.Fatalf("Expected id 1 to be activated")
|
||||
}
|
||||
}
|
||||
|
||||
func TestDriverGetSize(t *testing.T) {
|
||||
t.Skip("FIXME: not a unit test")
|
||||
t.Skipf("Size is currently not implemented")
|
||||
|
||||
d := newDriver(t)
|
||||
defer cleanup(d)
|
||||
|
||||
if err := d.Create("1", ""); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
mountPoint, err := d.Get("1", "")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
size := int64(1024)
|
||||
|
||||
f, err := osCreate(path.Join(mountPoint, "test_file"))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if err := f.Truncate(size); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
f.Close()
|
||||
|
||||
// diffSize, err := d.DiffSize("1")
|
||||
// if err != nil {
|
||||
// t.Fatal(err)
|
||||
// }
|
||||
// if diffSize != size {
|
||||
// t.Fatalf("Expected size %d got %d", size, diffSize)
|
||||
// }
|
||||
}
|
||||
|
||||
func assertMap(t *testing.T, m map[string]bool, keys ...string) {
|
||||
for _, key := range keys {
|
||||
if _, exists := m[key]; !exists {
|
||||
t.Fatalf("Key not set: %s", key)
|
||||
}
|
||||
delete(m, key)
|
||||
}
|
||||
if len(m) != 0 {
|
||||
t.Fatalf("Unexpected keys: %v", m)
|
||||
}
|
||||
}
|
||||
|
||||
// This avoids creating a new driver for each test if all tests are run
|
||||
// Make sure to put new tests between TestDevmapperSetup and TestDevmapperTeardown
|
||||
func TestDevmapperSetup(t *testing.T) {
|
||||
graphtest.GetDriver(t, "devicemapper")
|
||||
}
|
||||
|
||||
func TestDevmapperCreateEmpty(t *testing.T) {
|
||||
graphtest.DriverTestCreateEmpty(t, "devicemapper")
|
||||
}
|
||||
|
||||
func TestDevmapperCreateBase(t *testing.T) {
|
||||
graphtest.DriverTestCreateBase(t, "devicemapper")
|
||||
}
|
||||
|
||||
func TestDevmapperCreateSnap(t *testing.T) {
|
||||
graphtest.DriverTestCreateSnap(t, "devicemapper")
|
||||
}
|
||||
|
||||
func TestDevmapperTeardown(t *testing.T) {
|
||||
graphtest.PutDriver(t)
|
||||
}
|
||||
Loading…
Reference in a new issue