82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
package graph
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import (
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"encoding/json"
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"os"
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"testing"
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"github.com/docker/docker/image"
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"github.com/docker/docker/registry"
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"github.com/docker/docker/utils"
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)
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const (
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testManifestImageName = "testapp"
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testManifestImageID = "d821b739e8834ec89ac4469266c3d11515da88fdcbcbdddcbcddb636f54fdde9"
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testManifestImageIDShort = "d821b739e883"
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testManifestTag = "manifesttest"
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)
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func TestManifestTarsumCache(t *testing.T) {
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tmp, err := utils.TestDirectory("")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmp)
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store := mkTestTagStore(tmp, t)
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defer store.graph.driver.Cleanup()
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archive, err := fakeTar()
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if err != nil {
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t.Fatal(err)
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}
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img := &image.Image{ID: testManifestImageID}
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if err := store.graph.Register(img, archive); err != nil {
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t.Fatal(err)
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}
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if err := store.Set(testManifestImageName, testManifestTag, testManifestImageID, false); err != nil {
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t.Fatal(err)
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}
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if cs, err := img.GetCheckSum(store.graph.ImageRoot(testManifestImageID)); err != nil {
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t.Fatal(err)
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} else if cs != "" {
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t.Fatalf("Non-empty checksum file after register")
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}
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// Generate manifest
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payload, err := store.newManifest(testManifestImageName, testManifestImageName, testManifestTag)
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if err != nil {
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t.Fatal(err)
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}
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manifestChecksum, err := img.GetCheckSum(store.graph.ImageRoot(testManifestImageID))
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if err != nil {
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t.Fatal(err)
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}
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var manifest registry.ManifestData
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if err := json.Unmarshal(payload, &manifest); err != nil {
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t.Fatalf("error unmarshalling manifest: %s", err)
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}
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if len(manifest.FSLayers) != 1 {
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t.Fatalf("Unexpected number of layers, expecting 1: %d", len(manifest.FSLayers))
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}
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if manifest.FSLayers[0].BlobSum != manifestChecksum {
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t.Fatalf("Unexpected blob sum, expecting %q, got %q", manifestChecksum, manifest.FSLayers[0].BlobSum)
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}
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if len(manifest.History) != 1 {
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t.Fatalf("Unexpected number of layer history, expecting 1: %d", len(manifest.History))
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}
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v1compat, err := img.RawJson()
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if err != nil {
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t.Fatal(err)
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}
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if manifest.History[0].V1Compatibility != string(v1compat) {
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t.Fatalf("Unexpected json value\nExpected:\n%s\nActual:\n%s", v1compat, manifest.History[0].V1Compatibility)
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}
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}
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