forked from mirrors/docker-distribution
123 lines
2.6 KiB
Go
123 lines
2.6 KiB
Go
package storage
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import (
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"io"
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"testing"
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"github.com/docker/distribution"
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"github.com/docker/distribution/context"
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"github.com/docker/distribution/registry/storage/cache/memory"
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"github.com/docker/distribution/registry/storage/driver"
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"github.com/docker/distribution/registry/storage/driver/inmemory"
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)
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type setupEnv struct {
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ctx context.Context
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driver driver.StorageDriver
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expected []string
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registry distribution.Namespace
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}
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func setupFS(t *testing.T) *setupEnv {
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d := inmemory.New()
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c := []byte("")
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ctx := context.Background()
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registry := NewRegistryWithDriver(ctx, d, memory.NewInMemoryBlobDescriptorCacheProvider(), false, true, false)
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rootpath, _ := defaultPathMapper.path(repositoriesRootPathSpec{})
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repos := []string{
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"/foo/a/_layers/1",
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"/foo/b/_layers/2",
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"/bar/c/_layers/3",
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"/bar/d/_layers/4",
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"/foo/d/in/_layers/5",
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"/an/invalid/repo",
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"/bar/d/_layers/ignored/dir/6",
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}
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for _, repo := range repos {
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if err := d.PutContent(ctx, rootpath+repo, c); err != nil {
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t.Fatalf("Unable to put to inmemory fs")
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}
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}
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expected := []string{
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"bar/c",
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"bar/d",
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"foo/a",
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"foo/b",
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"foo/d/in",
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}
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return &setupEnv{
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ctx: ctx,
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driver: d,
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expected: expected,
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registry: registry,
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}
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}
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func TestCatalog(t *testing.T) {
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env := setupFS(t)
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p := make([]string, 50)
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numFilled, err := env.registry.Repositories(env.ctx, p, "")
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if !testEq(p, env.expected, numFilled) {
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t.Errorf("Expected catalog repos err")
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}
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if err != io.EOF {
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t.Errorf("Catalog has more values which we aren't expecting")
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}
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}
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func TestCatalogInParts(t *testing.T) {
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env := setupFS(t)
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chunkLen := 2
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p := make([]string, chunkLen)
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numFilled, err := env.registry.Repositories(env.ctx, p, "")
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if err == io.EOF || numFilled != len(p) {
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t.Errorf("Expected more values in catalog")
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}
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if !testEq(p, env.expected[0:chunkLen], numFilled) {
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t.Errorf("Expected catalog first chunk err")
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}
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lastRepo := p[len(p)-1]
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numFilled, err = env.registry.Repositories(env.ctx, p, lastRepo)
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if err == io.EOF || numFilled != len(p) {
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t.Errorf("Expected more values in catalog")
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}
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if !testEq(p, env.expected[chunkLen:chunkLen*2], numFilled) {
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t.Errorf("Expected catalog second chunk err")
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}
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lastRepo = p[len(p)-1]
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numFilled, err = env.registry.Repositories(env.ctx, p, lastRepo)
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if err != io.EOF {
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t.Errorf("Catalog has more values which we aren't expecting")
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}
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if !testEq(p, env.expected[chunkLen*2:chunkLen*3-1], numFilled) {
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t.Errorf("Expected catalog third chunk err")
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}
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}
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func testEq(a, b []string, size int) bool {
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for cnt := 0; cnt < size-1; cnt++ {
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if a[cnt] != b[cnt] {
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return false
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}
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}
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return true
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}
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