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-rw-r--r--libpod/image/image_test.go184
1 files changed, 184 insertions, 0 deletions
diff --git a/libpod/image/image_test.go b/libpod/image/image_test.go
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+++ b/libpod/image/image_test.go
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+package image
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path"
+ "testing"
+
+ "github.com/containers/storage"
+ "github.com/containers/storage/pkg/reexec"
+ "github.com/pkg/errors"
+ "github.com/projectatomic/libpod/libpod"
+ "github.com/stretchr/testify/assert"
+)
+
+var (
+ bbNames = []string{"docker.io/library/busybox:latest", "docker.io/library/busybox", "docker.io/busybox:latest", "docker.io/busybox", "busybox:latest", "busybox"}
+ bbGlibcNames = []string{"docker.io/library/busybox:glibc", "docker.io/busybox:glibc", "busybox:glibc"}
+ fedoraNames = []string{"registry.fedoraproject.org/fedora-minimal:latest", "registry.fedoraproject.org/fedora-minimal", "fedora-minimal:latest", "fedora-minimal"}
+)
+
+// setup a runtime for the tests in an alternative location on the filesystem
+func setupRuntime(workdir string) (*libpod.Runtime, error) {
+ if reexec.Init() {
+ return nil, errors.Errorf("dude")
+ }
+ sc := libpod.WithStorageConfig(storage.StoreOptions{
+ GraphRoot: workdir,
+ RunRoot: workdir,
+ })
+ sd := libpod.WithStaticDir(path.Join(workdir, "libpod_tmp"))
+ td := libpod.WithTmpDir(path.Join(workdir, "tmpdir"))
+
+ options := []libpod.RuntimeOption{sc, sd, td}
+ return libpod.NewRuntime(options...)
+}
+
+// getImage is only used to build a test matrix for testing local images
+func getImage(r *libpod.Runtime, fqImageName string) (*storage.Image, error) {
+ img, err := NewFromLocal(fqImageName, r)
+ if err != nil {
+ return nil, err
+ }
+ return img.image, nil
+}
+
+func tagImage(r *libpod.Runtime, fqImageName, tagName string) error {
+ img, err := NewFromLocal(fqImageName, r)
+ if err != nil {
+ return err
+ }
+ r.TagImage(img.image, tagName)
+ return nil
+}
+
+type localImageTest struct {
+ fqname, taggedName string
+ img *storage.Image
+ names []string
+}
+
+// make a temporary directory for the runtime
+func mkWorkDir() (string, error) {
+ return ioutil.TempDir("", "podman-test")
+}
+
+// shutdown the runtime and clean behind it
+func cleanup(r *libpod.Runtime, workdir string) {
+ r.Shutdown(true)
+ err := os.RemoveAll(workdir)
+ if err != nil {
+ fmt.Println(err)
+ os.Exit(1)
+ }
+}
+
+func makeLocalMatrix(r *libpod.Runtime) ([]localImageTest, error) {
+ var l []localImageTest
+ // busybox
+ busybox := localImageTest{
+ fqname: "docker.io/library/busybox:latest",
+ taggedName: "bb:latest",
+ }
+ b, err := getImage(r, busybox.fqname)
+ if err != nil {
+ return nil, err
+ }
+ busybox.img = b
+ busybox.names = bbNames
+ busybox.names = append(busybox.names, []string{"bb:latest", "bb", b.ID, b.ID[0:7], fmt.Sprintf("busybox@%s", b.Digest.String())}...)
+
+ //fedora
+ fedora := localImageTest{
+ fqname: "registry.fedoraproject.org/fedora-minimal:latest",
+ taggedName: "f27:latest",
+ }
+ f, err := getImage(r, fedora.fqname)
+ if err != nil {
+ return nil, err
+ }
+ fedora.img = f
+ fedora.names = fedoraNames
+
+ // busybox-glibc
+ busyboxGlibc := localImageTest{
+ fqname: "docker.io/library/busybox:glibc",
+ taggedName: "bb:glibc",
+ }
+ bg, err := getImage(r, busyboxGlibc.fqname)
+ if err != nil {
+ return nil, err
+ }
+ busyboxGlibc.img = bg
+ busyboxGlibc.names = bbGlibcNames
+
+ l = append(l, busybox, fedora)
+ return l, nil
+
+}
+
+// TestImage_NewFromLocal tests finding the image locally by various names,
+// tags, and aliases
+func TestImage_NewFromLocal(t *testing.T) {
+ workdir, err := mkWorkDir()
+ assert.NoError(t, err)
+ runtime, err := setupRuntime(workdir)
+ assert.NoError(t, err)
+
+ // Need images to be present for this test
+ _, err = runtime.PullImage("docker.io/library/busybox:latest", libpod.CopyOptions{})
+ assert.NoError(t, err)
+ _, err = runtime.PullImage("docker.io/library/busybox:glibc", libpod.CopyOptions{})
+ assert.NoError(t, err)
+ _, err = runtime.PullImage("registry.fedoraproject.org/fedora-minimal:latest", libpod.CopyOptions{})
+ assert.NoError(t, err)
+
+ tm, err := makeLocalMatrix(runtime)
+ assert.NoError(t, err)
+ for _, image := range tm {
+ // tag our images
+ err = tagImage(runtime, image.fqname, image.taggedName)
+ assert.NoError(t, err)
+ for _, name := range image.names {
+ newImage, err := NewFromLocal(name, runtime)
+ assert.NoError(t, err)
+ assert.Equal(t, newImage.ID(), image.img.ID)
+ }
+ }
+
+ // Shutdown the runtime and remove the temporary storage
+ cleanup(runtime, workdir)
+}
+
+// TestImage_New tests pulling the image by various names, tags, and from
+// different registries
+func TestImage_New(t *testing.T) {
+ var names []string
+ workdir, err := mkWorkDir()
+ assert.NoError(t, err)
+ runtime, err := setupRuntime(workdir)
+ assert.NoError(t, err)
+
+ // Build the list of pull names
+ names = append(names, bbNames...)
+ names = append(names, fedoraNames...)
+
+ // Iterate over the names and delete the image
+ // after the pull
+ for _, img := range names {
+ _, err := runtime.GetImage(img)
+ if err == nil {
+ os.Exit(1)
+ }
+ newImage, err := New(img, runtime)
+ assert.NoError(t, err)
+ assert.NotEqual(t, newImage.ID(), "")
+ err = newImage.Remove(false)
+ assert.NoError(t, err)
+ }
+
+ // Shutdown the runtime and remove the temporary storage
+ cleanup(runtime, workdir)
+}