| package builder |
| |
| import ( |
| "bytes" |
| "io" |
| "io/ioutil" |
| "net/http" |
| "net/http/httptest" |
| "net/url" |
| "testing" |
| |
| "github.com/docker/docker/pkg/archive" |
| "github.com/docker/docker/pkg/httputils" |
| ) |
| |
| var binaryContext = []byte{0xFD, 0x37, 0x7A, 0x58, 0x5A, 0x00} //xz magic |
| |
| func TestSelectAcceptableMIME(t *testing.T) { |
| validMimeStrings := []string{ |
| "application/x-bzip2", |
| "application/bzip2", |
| "application/gzip", |
| "application/x-gzip", |
| "application/x-xz", |
| "application/xz", |
| "application/tar", |
| "application/x-tar", |
| "application/octet-stream", |
| "text/plain", |
| } |
| |
| invalidMimeStrings := []string{ |
| "", |
| "application/octet", |
| "application/json", |
| } |
| |
| for _, m := range invalidMimeStrings { |
| if len(selectAcceptableMIME(m)) > 0 { |
| t.Fatalf("Should not have accepted %q", m) |
| } |
| } |
| |
| for _, m := range validMimeStrings { |
| if str := selectAcceptableMIME(m); str == "" { |
| t.Fatalf("Should have accepted %q", m) |
| } |
| } |
| } |
| |
| func TestInspectEmptyResponse(t *testing.T) { |
| ct := "application/octet-stream" |
| br := ioutil.NopCloser(bytes.NewReader([]byte(""))) |
| contentType, bReader, err := inspectResponse(ct, br, 0) |
| if err == nil { |
| t.Fatalf("Should have generated an error for an empty response") |
| } |
| if contentType != "application/octet-stream" { |
| t.Fatalf("Content type should be 'application/octet-stream' but is %q", contentType) |
| } |
| body, err := ioutil.ReadAll(bReader) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if len(body) != 0 { |
| t.Fatal("response body should remain empty") |
| } |
| } |
| |
| func TestInspectResponseBinary(t *testing.T) { |
| ct := "application/octet-stream" |
| br := ioutil.NopCloser(bytes.NewReader(binaryContext)) |
| contentType, bReader, err := inspectResponse(ct, br, int64(len(binaryContext))) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if contentType != "application/octet-stream" { |
| t.Fatalf("Content type should be 'application/octet-stream' but is %q", contentType) |
| } |
| body, err := ioutil.ReadAll(bReader) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if len(body) != len(binaryContext) { |
| t.Fatalf("Wrong response size %d, should be == len(binaryContext)", len(body)) |
| } |
| for i := range body { |
| if body[i] != binaryContext[i] { |
| t.Fatalf("Corrupted response body at byte index %d", i) |
| } |
| } |
| } |
| |
| func TestResponseUnsupportedContentType(t *testing.T) { |
| content := []byte(dockerfileContents) |
| ct := "application/json" |
| br := ioutil.NopCloser(bytes.NewReader(content)) |
| contentType, bReader, err := inspectResponse(ct, br, int64(len(dockerfileContents))) |
| |
| if err == nil { |
| t.Fatal("Should have returned an error on content-type 'application/json'") |
| } |
| if contentType != ct { |
| t.Fatalf("Should not have altered content-type: orig: %s, altered: %s", ct, contentType) |
| } |
| body, err := ioutil.ReadAll(bReader) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if string(body) != dockerfileContents { |
| t.Fatalf("Corrupted response body %s", body) |
| } |
| } |
| |
| func TestInspectResponseTextSimple(t *testing.T) { |
| content := []byte(dockerfileContents) |
| ct := "text/plain" |
| br := ioutil.NopCloser(bytes.NewReader(content)) |
| contentType, bReader, err := inspectResponse(ct, br, int64(len(content))) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if contentType != "text/plain" { |
| t.Fatalf("Content type should be 'text/plain' but is %q", contentType) |
| } |
| body, err := ioutil.ReadAll(bReader) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if string(body) != dockerfileContents { |
| t.Fatalf("Corrupted response body %s", body) |
| } |
| } |
| |
| func TestInspectResponseEmptyContentType(t *testing.T) { |
| content := []byte(dockerfileContents) |
| br := ioutil.NopCloser(bytes.NewReader(content)) |
| contentType, bodyReader, err := inspectResponse("", br, int64(len(content))) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if contentType != "text/plain" { |
| t.Fatalf("Content type should be 'text/plain' but is %q", contentType) |
| } |
| body, err := ioutil.ReadAll(bodyReader) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if string(body) != dockerfileContents { |
| t.Fatalf("Corrupted response body %s", body) |
| } |
| } |
| |
| func TestMakeRemoteContext(t *testing.T) { |
| contextDir, cleanup := createTestTempDir(t, "", "builder-tarsum-test") |
| defer cleanup() |
| |
| createTestTempFile(t, contextDir, DefaultDockerfileName, dockerfileContents, 0777) |
| |
| mux := http.NewServeMux() |
| server := httptest.NewServer(mux) |
| serverURL, _ := url.Parse(server.URL) |
| |
| serverURL.Path = "/" + DefaultDockerfileName |
| remoteURL := serverURL.String() |
| |
| mux.Handle("/", http.FileServer(http.Dir(contextDir))) |
| |
| remoteContext, err := MakeRemoteContext(remoteURL, map[string]func(io.ReadCloser) (io.ReadCloser, error){ |
| httputils.MimeTypes.TextPlain: func(rc io.ReadCloser) (io.ReadCloser, error) { |
| dockerfile, err := ioutil.ReadAll(rc) |
| if err != nil { |
| return nil, err |
| } |
| |
| r, err := archive.Generate(DefaultDockerfileName, string(dockerfile)) |
| if err != nil { |
| return nil, err |
| } |
| return ioutil.NopCloser(r), nil |
| }, |
| }) |
| |
| if err != nil { |
| t.Fatalf("Error when executing DetectContextFromRemoteURL: %s", err) |
| } |
| |
| if remoteContext == nil { |
| t.Fatalf("Remote context should not be nil") |
| } |
| |
| tarSumCtx, ok := remoteContext.(*tarSumContext) |
| |
| if !ok { |
| t.Fatalf("Cast error, remote context should be casted to tarSumContext") |
| } |
| |
| fileInfoSums := tarSumCtx.sums |
| |
| if fileInfoSums.Len() != 1 { |
| t.Fatalf("Size of file info sums should be 1, got: %d", fileInfoSums.Len()) |
| } |
| |
| fileInfo := fileInfoSums.GetFile(DefaultDockerfileName) |
| |
| if fileInfo == nil { |
| t.Fatalf("There should be file named %s in fileInfoSums", DefaultDockerfileName) |
| } |
| |
| if fileInfo.Pos() != 0 { |
| t.Fatalf("File %s should have position 0, got %d", DefaultDockerfileName, fileInfo.Pos()) |
| } |
| } |