robertwb commented on a change in pull request #11305: [BEAM-9577] Update
container boot code to stage from dependencies, if present.
URL: https://github.com/apache/beam/pull/11305#discussion_r403320150
##########
File path: sdks/go/pkg/beam/artifact/materialize_test.go
##########
@@ -148,6 +153,154 @@ func stage(ctx context.Context, scl
pb.LegacyArtifactStagingServiceClient, t *te
return md
}
+// Test for new artifact retrieval.
+
+func TestNewRetrieveWithManyFiles(t *testing.T) {
+ expected := map[string]string{"a.txt": "a", "b.txt": "bbb", "c.txt":
"cccccccc"}
+
+ client := fakeRetrievalService{
+ artifacts: expected,
+ }
+
+ dest := makeTempDir(t)
+ defer os.RemoveAll(dest)
+ ctx := grpcx.WriteWorkerID(context.Background(), "worker")
+
+ mds, err := newMaterializeWithClient(ctx, client,
client.resolvedArtifacts(), dest)
+ if err != nil {
+ t.Fatalf("materialize failed: %v", err)
+ }
+
+ checkStagedFiles(mds, dest, expected, t)
+}
+
+func TestNewRetrieveWithResolution(t *testing.T) {
+ expected := map[string]string{"a.txt": "a", "b.txt": "bbb", "c.txt":
"cccccccc"}
+
+ client := fakeRetrievalService{
+ artifacts: expected,
+ }
+
+ dest := makeTempDir(t)
+ defer os.RemoveAll(dest)
+ ctx := grpcx.WriteWorkerID(context.Background(), "worker")
+
+ mds, err := newMaterializeWithClient(ctx, client,
client.unresolvedArtifacts(), dest)
+ if err != nil {
+ t.Fatalf("materialize failed: %v", err)
+ }
+
+ checkStagedFiles(mds, dest, expected, t)
+}
+
+func checkStagedFiles(mds []*pb.ArtifactMetadata, dest string, expected
map[string]string, t *testing.T) {
+ if len(mds) != len(expected) {
+ t.Errorf("wrong number of artifacts staged %v vs %v", len(mds),
len(expected))
+ }
+ for _, md := range mds {
+ filename := filepath.Join(dest, filepath.FromSlash(md.Name))
+ fd, err := os.Open(filename)
+ if err != nil {
+ t.Errorf("error opening file %v", err)
+ }
+ defer fd.Close()
+
+ data := make([]byte, 1<<20)
+ n, err := fd.Read(data)
+ if err != nil {
+ t.Errorf("error reading file %v", err)
+ }
+
+ if string(data[:n]) != expected[md.Name] {
+ t.Errorf("missmatched contents for %v: '%s' vs '%s'",
md.Name, string(data[:n]), expected[md.Name])
+ }
+ }
+}
+
+type fakeRetrievalService struct {
+ artifacts map[string]string // name -> content
+}
+
+func (fake fakeRetrievalService) resolvedArtifacts()
[]*pipeline_v1.ArtifactInformation {
+ var artifacts []*pipeline_v1.ArtifactInformation
+ for name, contents := range fake.artifacts {
+ payload, _ :=
proto.Marshal(&pipeline_v1.ArtifactStagingToRolePayload{
+ StagedName: name})
+ artifacts = append(artifacts, &pipeline_v1.ArtifactInformation{
+ TypeUrn: "resolved",
+ TypePayload: []byte(contents),
+ RoleUrn: URNStagingTo,
+ RolePayload: payload,
+ })
+ }
+ return artifacts
+}
+
+func (fake fakeRetrievalService) unresolvedArtifacts()
[]*pipeline_v1.ArtifactInformation {
+ return []*pipeline_v1.ArtifactInformation{
+ &pipeline_v1.ArtifactInformation{
+ TypeUrn: "unresolved",
+ },
+ }
+}
+
+func (fake fakeRetrievalService) ResolveArtifact(ctx context.Context, request
*pb.ResolveArtifactRequest, opts ...grpc.CallOption)
(*pb.ResolveArtifactResponse, error) {
+ response := pb.ResolveArtifactResponse{}
+ for _, dep := range request.Artifacts {
+ if dep.TypeUrn == "unresolved" {
+ response.Replacements = append(response.Replacements,
fake.resolvedArtifacts()...)
+ } else {
+ response.Replacements = append(response.Replacements,
dep)
+ }
+ }
+ return &response, nil
+}
+
+func (fake fakeRetrievalService) GetArtifact(ctx context.Context, request
*pb.GetArtifactRequest, opts ...grpc.CallOption)
(pb.ArtifactRetrievalService_GetArtifactClient, error) {
+ var index int
+ if request.Artifact.TypeUrn == "resolved" {
+ return fakeGetArtifactResponse{data:
request.Artifact.TypePayload, index: &index}, nil
Review comment:
Thanks for the helpful explication.
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