diff options
Diffstat (limited to 'libpod/image/image_test.go')
-rw-r--r-- | libpod/image/image_test.go | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/libpod/image/image_test.go b/libpod/image/image_test.go deleted file mode 100644 index 2b42d6394..000000000 --- a/libpod/image/image_test.go +++ /dev/null @@ -1,318 +0,0 @@ -package image - -import ( - "context" - "fmt" - "io/ioutil" - "os" - "testing" - - "github.com/containers/podman/v3/libpod/events" - "github.com/containers/podman/v3/pkg/util" - podmanVersion "github.com/containers/podman/v3/version" - "github.com/containers/storage" - "github.com/containers/storage/pkg/reexec" - "github.com/opencontainers/go-digest" - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" -) - -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"} -) - -type localImageTest struct { - fqname, taggedName string - img *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(workdir string, ir *Runtime) { - if err := ir.Shutdown(false); err != nil { - fmt.Println(err) - os.Exit(1) - } - err := os.RemoveAll(workdir) - if err != nil { - fmt.Println(err) - os.Exit(1) - } -} - -func makeLocalMatrix(b, bg *Image) []localImageTest { - var l []localImageTest - // busybox - busybox := localImageTest{ - fqname: "docker.io/library/busybox:latest", - taggedName: "bb:latest", - } - busybox.img = b - busybox.names = b.Names() - busybox.names = append(busybox.names, []string{"bb:latest", "bb", b.ID(), b.ID()[0:7], fmt.Sprintf("busybox@%s", b.Digest())}...) - - // busybox-glibc - busyboxGlibc := localImageTest{ - fqname: "docker.io/library/busybox:glibc", - taggedName: "bb:glibc", - } - - busyboxGlibc.img = bg - busyboxGlibc.names = bbGlibcNames - - l = append(l, busybox, busyboxGlibc) - return l -} - -func TestMain(m *testing.M) { - if reexec.Init() { - return - } - os.Exit(m.Run()) -} - -// TestImage_NewFromLocal tests finding the image locally by various names, -// tags, and aliases -func TestImage_NewFromLocal(t *testing.T) { - if os.Geteuid() != 0 { // containers/storage requires root access - t.Skipf("Test not running as root") - } - - workdir, err := mkWorkDir() - assert.NoError(t, err) - so := storage.StoreOptions{ - RunRoot: workdir, - GraphRoot: workdir, - } - writer := os.Stdout - - // Need images to be present for this test - ir, err := NewImageRuntimeFromOptions(so) - assert.NoError(t, err) - defer cleanup(workdir, ir) - - ir.Eventer = events.NewNullEventer() - bb, err := ir.New(context.Background(), "docker.io/library/busybox:latest", "", "", writer, nil, SigningOptions{}, nil, util.PullImageMissing, nil) - assert.NoError(t, err) - bbglibc, err := ir.New(context.Background(), "docker.io/library/busybox:glibc", "", "", writer, nil, SigningOptions{}, nil, util.PullImageMissing, nil) - assert.NoError(t, err) - - tm := makeLocalMatrix(bb, bbglibc) - for _, image := range tm { - // tag our images - err = image.img.TagImage(image.taggedName) - assert.NoError(t, err) - for _, name := range image.names { - newImage, err := ir.NewFromLocal(name) - require.NoError(t, err) - assert.Equal(t, newImage.ID(), image.img.ID()) - } - } -} - -// TestImage_New tests pulling the image by various names, tags, and from -// different registries -func TestImage_New(t *testing.T) { - if os.Geteuid() != 0 { // containers/storage requires root access - t.Skipf("Test not running as root") - } - - var names []string - workdir, err := mkWorkDir() - assert.NoError(t, err) - so := storage.StoreOptions{ - RunRoot: workdir, - GraphRoot: workdir, - } - ir, err := NewImageRuntimeFromOptions(so) - assert.NoError(t, err) - defer cleanup(workdir, ir) - - ir.Eventer = events.NewNullEventer() - // Build the list of pull names - names = append(names, bbNames...) - writer := os.Stdout - - opts := DockerRegistryOptions{ - RegistriesConfPath: "testdata/registries.conf", - } - // Iterate over the names and delete the image - // after the pull - for _, img := range names { - newImage, err := ir.New(context.Background(), img, "", "", writer, &opts, SigningOptions{}, nil, util.PullImageMissing, nil) - require.NoError(t, err, img) - assert.NotEqual(t, newImage.ID(), "") - err = newImage.Remove(context.Background(), false) - assert.NoError(t, err) - } -} - -// TestImage_MatchRepoTag tests the various inputs we need to match -// against an image's reponames -func TestImage_MatchRepoTag(t *testing.T) { - if os.Geteuid() != 0 { // containers/storage requires root access - t.Skipf("Test not running as root") - } - - //Set up - workdir, err := mkWorkDir() - assert.NoError(t, err) - so := storage.StoreOptions{ - RunRoot: workdir, - GraphRoot: workdir, - } - ir, err := NewImageRuntimeFromOptions(so) - require.NoError(t, err) - defer cleanup(workdir, ir) - - opts := DockerRegistryOptions{ - RegistriesConfPath: "testdata/registries.conf", - } - ir.Eventer = events.NewNullEventer() - newImage, err := ir.New(context.Background(), "busybox", "", "", os.Stdout, &opts, SigningOptions{}, nil, util.PullImageMissing, nil) - require.NoError(t, err) - err = newImage.TagImage("foo:latest") - require.NoError(t, err) - err = newImage.TagImage("foo:bar") - require.NoError(t, err) - - // Tests start here. - for _, name := range bbNames { - repoTag, err := newImage.MatchRepoTag(name) - assert.NoError(t, err) - assert.Equal(t, "docker.io/library/busybox:latest", repoTag) - } - - // Test against tagged images of busybox - - // foo should resolve to foo:latest - repoTag, err := newImage.MatchRepoTag("foo") - require.NoError(t, err) - assert.Equal(t, "localhost/foo:latest", repoTag) - - // foo:bar should resolve to foo:bar - repoTag, err = newImage.MatchRepoTag("foo:bar") - require.NoError(t, err) - assert.Equal(t, "localhost/foo:bar", repoTag) -} - -// TestImage_RepoDigests tests RepoDigest generation. -func TestImage_RepoDigests(t *testing.T) { - dgst, err := digest.Parse("sha256:7173b809ca12ec5dee4506cd86be934c4596dd234ee82c0662eac04a8c2c71dc") - require.NoError(t, err) - - for _, tt := range []struct { - name string - names []string - expected []string - }{ - { - name: "empty", - names: []string{}, - expected: nil, - }, - { - name: "tagged", - names: []string{"docker.io/library/busybox:latest"}, - expected: []string{"docker.io/library/busybox@sha256:7173b809ca12ec5dee4506cd86be934c4596dd234ee82c0662eac04a8c2c71dc"}, - }, - { - name: "digest", - names: []string{"docker.io/library/busybox@sha256:7173b809ca12ec5dee4506cd86be934c4596dd234ee82c0662eac04a8c2c71dc"}, - expected: []string{"docker.io/library/busybox@sha256:7173b809ca12ec5dee4506cd86be934c4596dd234ee82c0662eac04a8c2c71dc"}, - }, - } { - test := tt - t.Run(test.name, func(t *testing.T) { - image := &Image{ - image: &storage.Image{ - Names: test.names, - Digest: dgst, - }, - } - actual, err := image.RepoDigests() - require.NoError(t, err) - assert.Equal(t, test.expected, actual) - - image = &Image{ - image: &storage.Image{ - Names: test.names, - Digests: []digest.Digest{dgst}, - }, - } - actual, err = image.RepoDigests() - require.NoError(t, err) - assert.Equal(t, test.expected, actual) - }) - } -} - -// Test_splitString tests the splitString function in image that -// takes input and splits on / and returns the last array item -func Test_splitString(t *testing.T) { - assert.Equal(t, splitString("foo/bar"), "bar") - assert.Equal(t, splitString("a/foo/bar"), "bar") - assert.Equal(t, splitString("bar"), "bar") -} - -// Test_stripSha256 tests test the stripSha256 function which removes -// the prefix "sha256:" from a string if it is present -func Test_stripSha256(t *testing.T) { - assert.Equal(t, stripSha256(""), "") - assert.Equal(t, stripSha256("test1"), "test1") - assert.Equal(t, stripSha256("sha256:9110ae7f579f35ee0c3938696f23fe0f5fbe641738ea52eb83c2df7e9995fa17"), "9110ae7f579f35ee0c3938696f23fe0f5fbe641738ea52eb83c2df7e9995fa17") - assert.Equal(t, stripSha256("sha256:9110ae7f"), "9110ae7f") - assert.Equal(t, stripSha256("sha256:"), "sha256:") - assert.Equal(t, stripSha256("sha256:a"), "a") -} - -func TestNormalizedTag(t *testing.T) { - const digestSuffix = "@sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" - - for _, c := range []struct{ input, expected string }{ - {"#", ""}, // Clearly invalid - {"example.com/busybox", "example.com/busybox:latest"}, // Qualified name-only - {"example.com/busybox:notlatest", "example.com/busybox:notlatest"}, // Qualified name:tag - {"example.com/busybox" + digestSuffix, "example.com/busybox" + digestSuffix}, // Qualified name@digest; FIXME? Should we allow tagging with a digest at all? - {"example.com/busybox:notlatest" + digestSuffix, "example.com/busybox:notlatest" + digestSuffix}, // Qualified name:tag@digest - {"busybox:latest", "localhost/busybox:latest"}, // Unqualified name-only - {"ns/busybox:latest", "localhost/ns/busybox:latest"}, // Unqualified with a dot-less namespace - {"docker.io/busybox:latest", "docker.io/library/busybox:latest"}, // docker.io without /library/ - } { - res, err := NormalizedTag(c.input) - if c.expected == "" { - assert.Error(t, err, c.input) - } else { - assert.NoError(t, err, c.input) - assert.Equal(t, c.expected, res.String()) - } - } -} - -func TestGetSystemContext(t *testing.T) { - sc := GetSystemContext("", "", false) - assert.Equal(t, sc.SignaturePolicyPath, "") - assert.Equal(t, sc.AuthFilePath, "") - assert.Equal(t, sc.DirForceCompress, false) - assert.Equal(t, sc.DockerRegistryUserAgent, fmt.Sprintf("libpod/%s", podmanVersion.Version)) - assert.Equal(t, sc.BigFilesTemporaryDir, "/var/tmp") - - oldtmpdir := os.Getenv("TMPDIR") - os.Setenv("TMPDIR", "/mnt") - sc = GetSystemContext("/tmp/foo", "/tmp/bar", true) - assert.Equal(t, sc.SignaturePolicyPath, "/tmp/foo") - assert.Equal(t, sc.AuthFilePath, "/tmp/bar") - assert.Equal(t, sc.DirForceCompress, true) - assert.Equal(t, sc.BigFilesTemporaryDir, "/mnt") - if oldtmpdir != "" { - os.Setenv("TMPDIR", oldtmpdir) - } else { - os.Unsetenv("TMPDIR") - } -} |