480 lines
22 KiB
Go
480 lines
22 KiB
Go
package volume // import "github.com/docker/docker/volume"
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import (
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"io/ioutil"
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"os"
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"runtime"
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"strings"
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"testing"
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"github.com/docker/docker/api/types/mount"
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)
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type parseMountRawTestSet struct {
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valid []string
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invalid map[string]string
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}
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func TestConvertTmpfsOptions(t *testing.T) {
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type testCase struct {
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opt mount.TmpfsOptions
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readOnly bool
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expectedSubstrings []string
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unexpectedSubstrings []string
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}
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cases := []testCase{
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{
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opt: mount.TmpfsOptions{SizeBytes: 1024 * 1024, Mode: 0700},
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readOnly: false,
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expectedSubstrings: []string{"size=1m", "mode=700"},
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unexpectedSubstrings: []string{"ro"},
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},
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{
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opt: mount.TmpfsOptions{},
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readOnly: true,
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expectedSubstrings: []string{"ro"},
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unexpectedSubstrings: []string{},
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},
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}
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p := &linuxParser{}
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for _, c := range cases {
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data, err := p.ConvertTmpfsOptions(&c.opt, c.readOnly)
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if err != nil {
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t.Fatalf("could not convert %+v (readOnly: %v) to string: %v",
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c.opt, c.readOnly, err)
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}
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t.Logf("data=%q", data)
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for _, s := range c.expectedSubstrings {
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if !strings.Contains(data, s) {
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t.Fatalf("expected substring: %s, got %v (case=%+v)", s, data, c)
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}
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}
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for _, s := range c.unexpectedSubstrings {
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if strings.Contains(data, s) {
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t.Fatalf("unexpected substring: %s, got %v (case=%+v)", s, data, c)
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}
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}
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}
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}
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type mockFiProvider struct{}
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func (mockFiProvider) fileInfo(path string) (exists, isDir bool, err error) {
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dirs := map[string]struct{}{
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`c:\`: {},
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`c:\windows\`: {},
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`c:\windows`: {},
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`c:\program files`: {},
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`c:\Windows`: {},
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`c:\Program Files (x86)`: {},
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`\\?\c:\windows\`: {},
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}
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files := map[string]struct{}{
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`c:\windows\system32\ntdll.dll`: {},
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}
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if _, ok := dirs[path]; ok {
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return true, true, nil
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}
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if _, ok := files[path]; ok {
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return true, false, nil
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}
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return false, false, nil
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}
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func TestParseMountRaw(t *testing.T) {
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previousProvider := currentFileInfoProvider
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defer func() { currentFileInfoProvider = previousProvider }()
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currentFileInfoProvider = mockFiProvider{}
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windowsSet := parseMountRawTestSet{
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valid: []string{
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`d:\`,
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`d:`,
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`d:\path`,
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`d:\path with space`,
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`c:\:d:\`,
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`c:\windows\:d:`,
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`c:\windows:d:\s p a c e`,
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`c:\windows:d:\s p a c e:RW`,
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`c:\program files:d:\s p a c e i n h o s t d i r`,
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`0123456789name:d:`,
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`MiXeDcAsEnAmE:d:`,
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`name:D:`,
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`name:D::rW`,
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`name:D::RW`,
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`name:D::RO`,
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`c:/:d:/forward/slashes/are/good/too`,
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`c:/:d:/including with/spaces:ro`,
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`c:\Windows`, // With capital
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`c:\Program Files (x86)`, // With capitals and brackets
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`\\?\c:\windows\:d:`, // Long path handling (source)
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`c:\windows\:\\?\d:\`, // Long path handling (target)
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`\\.\pipe\foo:\\.\pipe\foo`, // named pipe
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`//./pipe/foo://./pipe/foo`, // named pipe forward slashes
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},
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invalid: map[string]string{
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``: "invalid volume specification: ",
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`.`: "invalid volume specification: ",
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`..\`: "invalid volume specification: ",
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`c:\:..\`: "invalid volume specification: ",
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`c:\:d:\:xyzzy`: "invalid volume specification: ",
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`c:`: "cannot be `c:`",
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`c:\`: "cannot be `c:`",
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`c:\notexist:d:`: `source path does not exist`,
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`c:\windows\system32\ntdll.dll:d:`: `source path must be a directory`,
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`name<:d:`: `invalid volume specification`,
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`name>:d:`: `invalid volume specification`,
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`name::d:`: `invalid volume specification`,
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`name":d:`: `invalid volume specification`,
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`name\:d:`: `invalid volume specification`,
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`name*:d:`: `invalid volume specification`,
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`name|:d:`: `invalid volume specification`,
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`name?:d:`: `invalid volume specification`,
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`name/:d:`: `invalid volume specification`,
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`d:\pathandmode:rw`: `invalid volume specification`,
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`d:\pathandmode:ro`: `invalid volume specification`,
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`con:d:`: `cannot be a reserved word for Windows filenames`,
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`PRN:d:`: `cannot be a reserved word for Windows filenames`,
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`aUx:d:`: `cannot be a reserved word for Windows filenames`,
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`nul:d:`: `cannot be a reserved word for Windows filenames`,
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`com1:d:`: `cannot be a reserved word for Windows filenames`,
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`com2:d:`: `cannot be a reserved word for Windows filenames`,
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`com3:d:`: `cannot be a reserved word for Windows filenames`,
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`com4:d:`: `cannot be a reserved word for Windows filenames`,
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`com5:d:`: `cannot be a reserved word for Windows filenames`,
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`com6:d:`: `cannot be a reserved word for Windows filenames`,
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`com7:d:`: `cannot be a reserved word for Windows filenames`,
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`com8:d:`: `cannot be a reserved word for Windows filenames`,
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`com9:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt1:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt2:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt3:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt4:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt5:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt6:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt7:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt8:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt9:d:`: `cannot be a reserved word for Windows filenames`,
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`c:\windows\system32\ntdll.dll`: `Only directories can be mapped on this platform`,
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`\\.\pipe\foo:c:\pipe`: `'c:\pipe' is not a valid pipe path`,
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},
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}
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lcowSet := parseMountRawTestSet{
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valid: []string{
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`/foo`,
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`/foo/`,
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`/foo bar`,
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`c:\:/foo`,
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`c:\windows\:/foo`,
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`c:\windows:/s p a c e`,
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`c:\windows:/s p a c e:RW`,
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`c:\program files:/s p a c e i n h o s t d i r`,
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`0123456789name:/foo`,
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`MiXeDcAsEnAmE:/foo`,
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`name:/foo`,
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`name:/foo:rW`,
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`name:/foo:RW`,
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`name:/foo:RO`,
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`c:/:/forward/slashes/are/good/too`,
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`c:/:/including with/spaces:ro`,
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`/Program Files (x86)`, // With capitals and brackets
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},
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invalid: map[string]string{
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``: "invalid volume specification: ",
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`.`: "invalid volume specification: ",
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`c:`: "invalid volume specification: ",
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`c:\`: "invalid volume specification: ",
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`../`: "invalid volume specification: ",
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`c:\:../`: "invalid volume specification: ",
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`c:\:/foo:xyzzy`: "invalid volume specification: ",
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`/`: "destination can't be '/'",
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`/..`: "destination can't be '/'",
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`c:\notexist:/foo`: `source path does not exist`,
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`c:\windows\system32\ntdll.dll:/foo`: `source path must be a directory`,
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`name<:/foo`: `invalid volume specification`,
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`name>:/foo`: `invalid volume specification`,
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`name::/foo`: `invalid volume specification`,
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`name":/foo`: `invalid volume specification`,
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`name\:/foo`: `invalid volume specification`,
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`name*:/foo`: `invalid volume specification`,
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`name|:/foo`: `invalid volume specification`,
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`name?:/foo`: `invalid volume specification`,
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`name/:/foo`: `invalid volume specification`,
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`/foo:rw`: `invalid volume specification`,
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`/foo:ro`: `invalid volume specification`,
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`con:/foo`: `cannot be a reserved word for Windows filenames`,
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`PRN:/foo`: `cannot be a reserved word for Windows filenames`,
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`aUx:/foo`: `cannot be a reserved word for Windows filenames`,
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`nul:/foo`: `cannot be a reserved word for Windows filenames`,
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`com1:/foo`: `cannot be a reserved word for Windows filenames`,
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`com2:/foo`: `cannot be a reserved word for Windows filenames`,
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`com3:/foo`: `cannot be a reserved word for Windows filenames`,
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`com4:/foo`: `cannot be a reserved word for Windows filenames`,
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`com5:/foo`: `cannot be a reserved word for Windows filenames`,
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`com6:/foo`: `cannot be a reserved word for Windows filenames`,
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`com7:/foo`: `cannot be a reserved word for Windows filenames`,
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`com8:/foo`: `cannot be a reserved word for Windows filenames`,
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`com9:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt1:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt2:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt3:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt4:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt5:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt6:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt7:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt8:/foo`: `cannot be a reserved word for Windows filenames`,
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`lpt9:/foo`: `cannot be a reserved word for Windows filenames`,
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`\\.\pipe\foo:/foo`: `Linux containers on Windows do not support named pipe mounts`,
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},
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}
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linuxSet := parseMountRawTestSet{
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valid: []string{
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"/home",
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"/home:/home",
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"/home:/something/else",
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"/with space",
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"/home:/with space",
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"relative:/absolute-path",
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"hostPath:/containerPath:ro",
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"/hostPath:/containerPath:rw",
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"/rw:/ro",
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"/hostPath:/containerPath:shared",
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"/hostPath:/containerPath:rshared",
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"/hostPath:/containerPath:slave",
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"/hostPath:/containerPath:rslave",
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"/hostPath:/containerPath:private",
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"/hostPath:/containerPath:rprivate",
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"/hostPath:/containerPath:ro,shared",
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"/hostPath:/containerPath:ro,slave",
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"/hostPath:/containerPath:ro,private",
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"/hostPath:/containerPath:ro,z,shared",
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"/hostPath:/containerPath:ro,Z,slave",
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"/hostPath:/containerPath:Z,ro,slave",
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"/hostPath:/containerPath:slave,Z,ro",
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"/hostPath:/containerPath:Z,slave,ro",
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"/hostPath:/containerPath:slave,ro,Z",
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"/hostPath:/containerPath:rslave,ro,Z",
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"/hostPath:/containerPath:ro,rshared,Z",
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"/hostPath:/containerPath:ro,Z,rprivate",
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},
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invalid: map[string]string{
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"": "invalid volume specification",
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"./": "mount path must be absolute",
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"../": "mount path must be absolute",
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"/:../": "mount path must be absolute",
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"/:path": "mount path must be absolute",
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":": "invalid volume specification",
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"/tmp:": "invalid volume specification",
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":test": "invalid volume specification",
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":/test": "invalid volume specification",
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"tmp:": "invalid volume specification",
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":test:": "invalid volume specification",
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"::": "invalid volume specification",
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":::": "invalid volume specification",
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"/tmp:::": "invalid volume specification",
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":/tmp::": "invalid volume specification",
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"/path:rw": "invalid volume specification",
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"/path:ro": "invalid volume specification",
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"/rw:rw": "invalid volume specification",
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"path:ro": "invalid volume specification",
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"/path:/path:sw": `invalid mode`,
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"/path:/path:rwz": `invalid mode`,
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"/path:/path:ro,rshared,rslave": `invalid mode`,
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"/path:/path:ro,z,rshared,rslave": `invalid mode`,
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"/path:shared": "invalid volume specification",
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"/path:slave": "invalid volume specification",
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"/path:private": "invalid volume specification",
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"name:/absolute-path:shared": "invalid volume specification",
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"name:/absolute-path:rshared": "invalid volume specification",
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"name:/absolute-path:slave": "invalid volume specification",
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"name:/absolute-path:rslave": "invalid volume specification",
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"name:/absolute-path:private": "invalid volume specification",
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"name:/absolute-path:rprivate": "invalid volume specification",
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},
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}
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linParser := &linuxParser{}
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winParser := &windowsParser{}
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lcowParser := &lcowParser{}
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tester := func(parser Parser, set parseMountRawTestSet) {
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for _, path := range set.valid {
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if _, err := parser.ParseMountRaw(path, "local"); err != nil {
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t.Errorf("ParseMountRaw(`%q`) should succeed: error %q", path, err)
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}
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}
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for path, expectedError := range set.invalid {
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if mp, err := parser.ParseMountRaw(path, "local"); err == nil {
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t.Errorf("ParseMountRaw(`%q`) should have failed validation. Err '%v' - MP: %v", path, err, mp)
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} else {
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if !strings.Contains(err.Error(), expectedError) {
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t.Errorf("ParseMountRaw(`%q`) error should contain %q, got %v", path, expectedError, err.Error())
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}
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}
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}
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}
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tester(linParser, linuxSet)
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tester(winParser, windowsSet)
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tester(lcowParser, lcowSet)
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}
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// testParseMountRaw is a structure used by TestParseMountRawSplit for
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// specifying test cases for the ParseMountRaw() function.
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type testParseMountRaw struct {
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bind string
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driver string
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expType mount.Type
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expDest string
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expSource string
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expName string
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expDriver string
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expRW bool
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fail bool
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}
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func TestParseMountRawSplit(t *testing.T) {
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previousProvider := currentFileInfoProvider
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defer func() { currentFileInfoProvider = previousProvider }()
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currentFileInfoProvider = mockFiProvider{}
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windowsCases := []testParseMountRaw{
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{`c:\:d:`, "local", mount.TypeBind, `d:`, `c:\`, ``, "", true, false},
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{`c:\:d:\`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", true, false},
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{`c:\:d:\:ro`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", false, false},
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{`c:\:d:\:rw`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", true, false},
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{`c:\:d:\:foo`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", false, true},
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{`name:d::rw`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", true, false},
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{`name:d:`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", true, false},
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{`name:d::ro`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", false, false},
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{`name:c:`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
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{`driver/name:c:`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
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{`\\.\pipe\foo:\\.\pipe\bar`, "local", mount.TypeNamedPipe, `\\.\pipe\bar`, `\\.\pipe\foo`, "", "", true, false},
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{`\\.\pipe\foo:c:\foo\bar`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
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{`c:\foo\bar:\\.\pipe\foo`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
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}
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lcowCases := []testParseMountRaw{
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{`c:\:/foo`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", true, false},
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{`c:\:/foo:ro`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", false, false},
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{`c:\:/foo:rw`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", true, false},
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{`c:\:/foo:foo`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", false, true},
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{`name:/foo:rw`, "local", mount.TypeVolume, `/foo`, ``, `name`, "local", true, false},
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{`name:/foo`, "local", mount.TypeVolume, `/foo`, ``, `name`, "local", true, false},
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{`name:/foo:ro`, "local", mount.TypeVolume, `/foo`, ``, `name`, "local", false, false},
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{`name:/`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
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{`driver/name:/`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
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{`\\.\pipe\foo:\\.\pipe\bar`, "local", mount.TypeNamedPipe, `\\.\pipe\bar`, `\\.\pipe\foo`, "", "", true, true},
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{`\\.\pipe\foo:/data`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
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{`c:\foo\bar:\\.\pipe\foo`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
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}
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linuxCases := []testParseMountRaw{
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{"/tmp:/tmp1", "", mount.TypeBind, "/tmp1", "/tmp", "", "", true, false},
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{"/tmp:/tmp2:ro", "", mount.TypeBind, "/tmp2", "/tmp", "", "", false, false},
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{"/tmp:/tmp3:rw", "", mount.TypeBind, "/tmp3", "/tmp", "", "", true, false},
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{"/tmp:/tmp4:foo", "", mount.TypeBind, "", "", "", "", false, true},
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{"name:/named1", "", mount.TypeVolume, "/named1", "", "name", "", true, false},
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{"name:/named2", "external", mount.TypeVolume, "/named2", "", "name", "external", true, false},
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{"name:/named3:ro", "local", mount.TypeVolume, "/named3", "", "name", "local", false, false},
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{"local/name:/tmp:rw", "", mount.TypeVolume, "/tmp", "", "local/name", "", true, false},
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{"/tmp:tmp", "", mount.TypeBind, "", "", "", "", true, true},
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}
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linParser := &linuxParser{}
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winParser := &windowsParser{}
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lcowParser := &lcowParser{}
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tester := func(parser Parser, cases []testParseMountRaw) {
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for i, c := range cases {
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t.Logf("case %d", i)
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m, err := parser.ParseMountRaw(c.bind, c.driver)
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if c.fail {
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if err == nil {
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t.Errorf("Expected error, was nil, for spec %s\n", c.bind)
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}
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continue
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}
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if m == nil || err != nil {
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t.Errorf("ParseMountRaw failed for spec '%s', driver '%s', error '%v'", c.bind, c.driver, err.Error())
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continue
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}
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if m.Destination != c.expDest {
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t.Errorf("Expected destination '%s, was %s', for spec '%s'", c.expDest, m.Destination, c.bind)
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}
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if m.Source != c.expSource {
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t.Errorf("Expected source '%s', was '%s', for spec '%s'", c.expSource, m.Source, c.bind)
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}
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if m.Name != c.expName {
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t.Errorf("Expected name '%s', was '%s' for spec '%s'", c.expName, m.Name, c.bind)
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}
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if m.Driver != c.expDriver {
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t.Errorf("Expected driver '%s', was '%s', for spec '%s'", c.expDriver, m.Driver, c.bind)
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}
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if m.RW != c.expRW {
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t.Errorf("Expected RW '%v', was '%v' for spec '%s'", c.expRW, m.RW, c.bind)
|
|
}
|
|
if m.Type != c.expType {
|
|
t.Fatalf("Expected type '%s', was '%s', for spec '%s'", c.expType, m.Type, c.bind)
|
|
}
|
|
}
|
|
}
|
|
|
|
tester(linParser, linuxCases)
|
|
tester(winParser, windowsCases)
|
|
tester(lcowParser, lcowCases)
|
|
}
|
|
|
|
func TestParseMountSpec(t *testing.T) {
|
|
type c struct {
|
|
input mount.Mount
|
|
expected MountPoint
|
|
}
|
|
testDir, err := ioutil.TempDir("", "test-mount-config")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(testDir)
|
|
parser := NewParser(runtime.GOOS)
|
|
cases := []c{
|
|
{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath, ReadOnly: true}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, Propagation: parser.DefaultPropagationMode()}},
|
|
{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, RW: true, Propagation: parser.DefaultPropagationMode()}},
|
|
{mount.Mount{Type: mount.TypeBind, Source: testDir + string(os.PathSeparator), Target: testDestinationPath, ReadOnly: true}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, Propagation: parser.DefaultPropagationMode()}},
|
|
{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath + string(os.PathSeparator), ReadOnly: true}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, Propagation: parser.DefaultPropagationMode()}},
|
|
{mount.Mount{Type: mount.TypeVolume, Target: testDestinationPath}, MountPoint{Type: mount.TypeVolume, Destination: testDestinationPath, RW: true, CopyData: parser.DefaultCopyMode()}},
|
|
{mount.Mount{Type: mount.TypeVolume, Target: testDestinationPath + string(os.PathSeparator)}, MountPoint{Type: mount.TypeVolume, Destination: testDestinationPath, RW: true, CopyData: parser.DefaultCopyMode()}},
|
|
}
|
|
|
|
for i, c := range cases {
|
|
t.Logf("case %d", i)
|
|
mp, err := parser.ParseMountSpec(c.input)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if c.expected.Type != mp.Type {
|
|
t.Errorf("Expected mount types to match. Expected: '%s', Actual: '%s'", c.expected.Type, mp.Type)
|
|
}
|
|
if c.expected.Destination != mp.Destination {
|
|
t.Errorf("Expected mount destination to match. Expected: '%s', Actual: '%s'", c.expected.Destination, mp.Destination)
|
|
}
|
|
if c.expected.Source != mp.Source {
|
|
t.Errorf("Expected mount source to match. Expected: '%s', Actual: '%s'", c.expected.Source, mp.Source)
|
|
}
|
|
if c.expected.RW != mp.RW {
|
|
t.Errorf("Expected mount writable to match. Expected: '%v', Actual: '%v'", c.expected.RW, mp.RW)
|
|
}
|
|
if c.expected.Propagation != mp.Propagation {
|
|
t.Errorf("Expected mount propagation to match. Expected: '%v', Actual: '%s'", c.expected.Propagation, mp.Propagation)
|
|
}
|
|
if c.expected.Driver != mp.Driver {
|
|
t.Errorf("Expected mount driver to match. Expected: '%v', Actual: '%s'", c.expected.Driver, mp.Driver)
|
|
}
|
|
if c.expected.CopyData != mp.CopyData {
|
|
t.Errorf("Expected mount copy data to match. Expected: '%v', Actual: '%v'", c.expected.CopyData, mp.CopyData)
|
|
}
|
|
}
|
|
}
|