Simplify unit tests code with mkRuntime()

api_test.go

@@ -41,10 +41,8 @@ func TestGetBoolParam(t *testing.T) {
 }
 
 func TestGetVersion(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	var err error
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -65,10 +63,7 @@ func TestGetVersion(t *testing.T) {
 }
 
 func TestGetInfo(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -95,10 +90,7 @@ func TestGetInfo(t *testing.T) {
 }
 
 func TestGetImagesJSON(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -220,10 +212,7 @@ func TestGetImagesJSON(t *testing.T) {
 }
 
 func TestGetImagesViz(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -248,10 +237,7 @@ func TestGetImagesViz(t *testing.T) {
 }
 
 func TestGetImagesHistory(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -272,10 +258,7 @@ func TestGetImagesHistory(t *testing.T) {
 }
 
 func TestGetImagesByName(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -295,10 +278,7 @@ func TestGetImagesByName(t *testing.T) {
 }
 
 func TestGetContainersJSON(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -334,10 +314,7 @@ func TestGetContainersJSON(t *testing.T) {
 }
 
 func TestGetContainersExport(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -389,10 +366,7 @@ func TestGetContainersExport(t *testing.T) {
 }
 
 func TestGetContainersChanges(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -437,10 +411,7 @@ func TestGetContainersChanges(t *testing.T) {
 }
 
 func TestGetContainersByName(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -473,10 +444,7 @@ func TestGetContainersByName(t *testing.T) {
 }
 
 func TestPostCommit(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -522,10 +490,7 @@ func TestPostCommit(t *testing.T) {
 }
 
 func TestPostContainersCreate(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -576,10 +541,7 @@ func TestPostContainersCreate(t *testing.T) {
 }
 
 func TestPostContainersKill(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -621,10 +583,7 @@ func TestPostContainersKill(t *testing.T) {
 }
 
 func TestPostContainersRestart(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -678,10 +637,7 @@ func TestPostContainersRestart(t *testing.T) {
 }
 
 func TestPostContainersStart(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -731,10 +687,7 @@ func TestPostContainersStart(t *testing.T) {
 }
 
 func TestPostContainersStop(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -781,10 +734,7 @@ func TestPostContainersStop(t *testing.T) {
 }
 
 func TestPostContainersWait(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -826,10 +776,7 @@ func TestPostContainersWait(t *testing.T) {
 }
 
 func TestPostContainersAttach(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -915,10 +862,7 @@ func TestPostContainersAttach(t *testing.T) {
 // FIXME: Test deleting container with volume
 // FIXME: Test deleting volume in use by other container
 func TestDeleteContainers(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -958,10 +902,7 @@ func TestDeleteContainers(t *testing.T) {
 }
 
 func TestOptionsRoute(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime, enableCors: true}
@@ -984,10 +925,7 @@ func TestOptionsRoute(t *testing.T) {
 }
 
 func TestGetEnabledCors(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime, enableCors: true}
@@ -1025,10 +963,7 @@ func TestGetEnabledCors(t *testing.T) {
 }
 
 func TestDeleteImages(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}

buildfile_test.go

@@ -96,10 +96,7 @@ CMD Hello world
 
 func TestBuild(t *testing.T) {
 	for _, ctx := range testContexts {
-		runtime, err := newTestRuntime()
-		if err != nil {
-			t.Fatal(err)
-		}
+		runtime := mkRuntime(t)
 		defer nuke(runtime)
 
 		srv := &Server{

container_test.go

@@ -1046,10 +1046,7 @@ func TestEnv(t *testing.T) {
 }
 
 func TestEntrypoint(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 	container, err := NewBuilder(runtime).Create(
 		&Config{
@@ -1125,10 +1122,7 @@ func TestLXCConfig(t *testing.T) {
 }
 
 func BenchmarkRunSequencial(b *testing.B) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		b.Fatal(err)
-	}
+	runtime := mkRuntime(b)
 	defer nuke(runtime)
 	for i := 0; i < b.N; i++ {
 		container, err := NewBuilder(runtime).Create(&Config{
@@ -1154,10 +1148,7 @@ func BenchmarkRunSequencial(b *testing.B) {
 }
 
 func BenchmarkRunParallel(b *testing.B) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		b.Fatal(err)
-	}
+	runtime := mkRuntime(b)
 	defer nuke(runtime)
 
 	var tasks []chan error

runtime_test.go

@@ -114,26 +114,6 @@ func init() {
 
 // FIXME: test that ImagePull(json=true) send correct json output
 
-func newTestRuntime() (*Runtime, error) {
-	root, err := ioutil.TempDir("", "docker-test")
-	if err != nil {
-		return nil, err
-	}
-	if err := os.Remove(root); err != nil {
-		return nil, err
-	}
-	if err := utils.CopyDirectory(unitTestStoreBase, root); err != nil {
-		return nil, err
-	}
-
-	runtime, err := NewRuntimeFromDirectory(root, false)
-	if err != nil {
-		return nil, err
-	}
-	runtime.UpdateCapabilities(true)
-	return runtime, nil
-}
-
 func GetTestImage(runtime *Runtime) *Image {
 	imgs, err := runtime.graph.All()
 	if err != nil {
@@ -148,10 +128,7 @@ func GetTestImage(runtime *Runtime) *Image {
 }
 
 func TestRuntimeCreate(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	// Make sure we start we 0 containers
@@ -223,10 +200,7 @@ func TestRuntimeCreate(t *testing.T) {
 }
 
 func TestDestroy(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 	container, err := NewBuilder(runtime).Create(&Config{
 		Image: GetTestImage(runtime).ID,
@@ -270,10 +244,7 @@ func TestDestroy(t *testing.T) {
 }
 
 func TestGet(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	builder := NewBuilder(runtime)
@@ -323,11 +294,8 @@ func TestGet(t *testing.T) {
 }
 
 func startEchoServerContainer(t *testing.T, proto string) (*Runtime, *Container, string) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
-
+	var err error
+	runtime := mkRuntime(t)
 	port := 5554
 	var container *Container
 	var strPort string

server_test.go

@@ -5,10 +5,7 @@ import (
 )
 
 func TestContainerTagImageDelete(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -62,10 +59,7 @@ func TestContainerTagImageDelete(t *testing.T) {
 }
 
 func TestCreateRm(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -95,10 +89,7 @@ func TestCreateRm(t *testing.T) {
 }
 
 func TestCreateStartRestartStopStartKillRm(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	srv := &Server{runtime: runtime}
@@ -154,11 +145,9 @@ func TestCreateStartRestartStopStartKillRm(t *testing.T) {
 }
 
 func TestRunWithTooLowMemoryLimit(t *testing.T) {
-	runtime, err := newTestRuntime()
+	var err error
+	runtime := mkRuntime(t)
 	srv := &Server{runtime: runtime}
-	if err != nil {
-		t.Fatal(err)
-	}
 	defer nuke(runtime)
 	// Try to create a container with a memory limit of 1 byte less than the minimum allowed limit.
 	_, err = srv.ContainerCreate(

tags_test.go

@@ -5,10 +5,7 @@ import (
 )
 
 func TestLookupImage(t *testing.T) {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
+	runtime := mkRuntime(t)
 	defer nuke(runtime)
 
 	if img, err := runtime.repositories.LookupImage(unitTestImageName); err != nil {

utils_test.go

@@ -7,6 +7,7 @@ import (
 	"path"
 	"strings"
 	"testing"
+	"github.com/dotcloud/docker/utils"
 )
 
 // This file contains utility functions for docker's unit test suite.
@@ -15,14 +16,40 @@ import (
 
 // Create a temporary runtime suitable for unit testing.
 // Call t.Fatal() at the first error.
-func mkRuntime(t *testing.T) *Runtime {
+func mkRuntime(f Fataler) *Runtime {
 	runtime, err := newTestRuntime()
 	if err != nil {
-		t.Fatal(err)
+		f.Fatal(err)
 	}
 	return runtime
 }
 
+// A common interface to access the Fatal method of
+// both testing.B and testing.T.
+type Fataler interface {
+	Fatal(args ...interface{})
+}
+
+func newTestRuntime() (*Runtime, error) {
+	root, err := ioutil.TempDir("", "docker-test")
+	if err != nil {
+		return nil, err
+	}
+	if err := os.Remove(root); err != nil {
+		return nil, err
+	}
+	if err := utils.CopyDirectory(unitTestStoreBase, root); err != nil {
+		return nil, err
+	}
+
+	runtime, err := NewRuntimeFromDirectory(root, false)
+	if err != nil {
+		return nil, err
+	}
+	runtime.UpdateCapabilities(true)
+	return runtime, nil
+}
+
 // Write `content` to the file at path `dst`, creating it if necessary,
 // as well as any missing directories.
 // The file is truncated if it already exists.