github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/distribution/metadata/v1_id_service_test.go (about)

     1  package metadata // import "github.com/docker/docker/distribution/metadata"
     2  
     3  import (
     4  	"os"
     5  	"testing"
     6  
     7  	"github.com/docker/docker/layer"
     8  	"gotest.tools/v3/assert"
     9  )
    10  
    11  func TestV1IDService(t *testing.T) {
    12  	tmpDir, err := os.MkdirTemp("", "v1-id-service-test")
    13  	if err != nil {
    14  		t.Fatalf("could not create temp dir: %v", err)
    15  	}
    16  	defer os.RemoveAll(tmpDir)
    17  
    18  	metadataStore, err := NewFSMetadataStore(tmpDir)
    19  	if err != nil {
    20  		t.Fatalf("could not create metadata store: %v", err)
    21  	}
    22  	v1IDService := NewV1IDService(metadataStore)
    23  
    24  	ns := v1IDService.namespace()
    25  
    26  	assert.Equal(t, "v1id", ns)
    27  
    28  	testVectors := []struct {
    29  		registry string
    30  		v1ID     string
    31  		layerID  layer.DiffID
    32  	}{
    33  		{
    34  			registry: "registry1",
    35  			v1ID:     "f0cd5ca10b07f35512fc2f1cbf9a6cefbdb5cba70ac6b0c9e5988f4497f71937",
    36  			layerID:  layer.DiffID("sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"),
    37  		},
    38  		{
    39  			registry: "registry2",
    40  			v1ID:     "9e3447ca24cb96d86ebd5960cb34d1299b07e0a0e03801d90b9969a2c187dd6e",
    41  			layerID:  layer.DiffID("sha256:86e0e091d0da6bde2456dbb48306f3956bbeb2eae1b5b9a43045843f69fe4aaa"),
    42  		},
    43  		{
    44  			registry: "registry1",
    45  			v1ID:     "9e3447ca24cb96d86ebd5960cb34d1299b07e0a0e03801d90b9969a2c187dd6e",
    46  			layerID:  layer.DiffID("sha256:03f4658f8b782e12230c1783426bd3bacce651ce582a4ffb6fbbfa2079428ecb"),
    47  		},
    48  	}
    49  
    50  	// Set some associations
    51  	for _, vec := range testVectors {
    52  		err := v1IDService.Set(vec.v1ID, vec.registry, vec.layerID)
    53  		if err != nil {
    54  			t.Fatalf("error calling Set: %v", err)
    55  		}
    56  	}
    57  
    58  	// Check the correct values are read back
    59  	for _, vec := range testVectors {
    60  		layerID, err := v1IDService.Get(vec.v1ID, vec.registry)
    61  		if err != nil {
    62  			t.Fatalf("error calling Get: %v", err)
    63  		}
    64  		if layerID != vec.layerID {
    65  			t.Fatal("Get returned incorrect layer ID")
    66  		}
    67  	}
    68  
    69  	// Test Get on a nonexistent entry
    70  	_, err = v1IDService.Get("82379823067823853223359023576437723560923756b03560378f4497753917", "registry1")
    71  	if err == nil {
    72  		t.Fatal("expected error looking up nonexistent entry")
    73  	}
    74  
    75  	// Overwrite one of the entries and read it back
    76  	err = v1IDService.Set(testVectors[0].v1ID, testVectors[0].registry, testVectors[1].layerID)
    77  	if err != nil {
    78  		t.Fatalf("error calling Set: %v", err)
    79  	}
    80  	layerID, err := v1IDService.Get(testVectors[0].v1ID, testVectors[0].registry)
    81  	if err != nil {
    82  		t.Fatalf("error calling Get: %v", err)
    83  	}
    84  	if layerID != testVectors[1].layerID {
    85  		t.Fatal("Get returned incorrect layer ID")
    86  	}
    87  }