| package client // import "github.com/docker/docker/client" |
| |
| import ( |
| "bytes" |
| "context" |
| "fmt" |
| "io" |
| "io/ioutil" |
| "log" |
| "net/http" |
| "os" |
| "strings" |
| "testing" |
| "time" |
| |
| "github.com/docker/docker/api/types" |
| "gotest.tools/assert" |
| is "gotest.tools/assert/cmp" |
| ) |
| |
| func TestContainerLogsNotFoundError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusNotFound, "Not found")), |
| } |
| _, err := client.ContainerLogs(context.Background(), "container_id", types.ContainerLogsOptions{}) |
| if !IsErrNotFound(err) { |
| t.Fatalf("expected a not found error, got %v", err) |
| } |
| } |
| |
| func TestContainerLogsError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), |
| } |
| _, err := client.ContainerLogs(context.Background(), "container_id", types.ContainerLogsOptions{}) |
| assert.Check(t, is.Error(err, "Error response from daemon: Server error")) |
| _, err = client.ContainerLogs(context.Background(), "container_id", types.ContainerLogsOptions{ |
| Since: "2006-01-02TZ", |
| }) |
| assert.Check(t, is.ErrorContains(err, `parsing time "2006-01-02TZ"`)) |
| _, err = client.ContainerLogs(context.Background(), "container_id", types.ContainerLogsOptions{ |
| Until: "2006-01-02TZ", |
| }) |
| assert.Check(t, is.ErrorContains(err, `parsing time "2006-01-02TZ"`)) |
| } |
| |
| func TestContainerLogs(t *testing.T) { |
| expectedURL := "/containers/container_id/logs" |
| cases := []struct { |
| options types.ContainerLogsOptions |
| expectedQueryParams map[string]string |
| expectedError string |
| }{ |
| { |
| expectedQueryParams: map[string]string{ |
| "tail": "", |
| }, |
| }, |
| { |
| options: types.ContainerLogsOptions{ |
| Tail: "any", |
| }, |
| expectedQueryParams: map[string]string{ |
| "tail": "any", |
| }, |
| }, |
| { |
| options: types.ContainerLogsOptions{ |
| ShowStdout: true, |
| ShowStderr: true, |
| Timestamps: true, |
| Details: true, |
| Follow: true, |
| }, |
| expectedQueryParams: map[string]string{ |
| "tail": "", |
| "stdout": "1", |
| "stderr": "1", |
| "timestamps": "1", |
| "details": "1", |
| "follow": "1", |
| }, |
| }, |
| { |
| options: types.ContainerLogsOptions{ |
| // timestamp will be passed as is |
| Since: "1136073600.000000001", |
| }, |
| expectedQueryParams: map[string]string{ |
| "tail": "", |
| "since": "1136073600.000000001", |
| }, |
| }, |
| { |
| options: types.ContainerLogsOptions{ |
| // timestamp will be passed as is |
| Until: "1136073600.000000001", |
| }, |
| expectedQueryParams: map[string]string{ |
| "tail": "", |
| "until": "1136073600.000000001", |
| }, |
| }, |
| { |
| options: types.ContainerLogsOptions{ |
| // An complete invalid date will not be passed |
| Since: "invalid value", |
| }, |
| expectedError: `invalid value for "since": failed to parse value as time or duration: "invalid value"`, |
| }, |
| { |
| options: types.ContainerLogsOptions{ |
| // An complete invalid date will not be passed |
| Until: "invalid value", |
| }, |
| expectedError: `invalid value for "until": failed to parse value as time or duration: "invalid value"`, |
| }, |
| } |
| for _, logCase := range cases { |
| client := &Client{ |
| client: newMockClient(func(r *http.Request) (*http.Response, error) { |
| if !strings.HasPrefix(r.URL.Path, expectedURL) { |
| return nil, fmt.Errorf("expected URL '%s', got '%s'", expectedURL, r.URL) |
| } |
| // Check query parameters |
| query := r.URL.Query() |
| for key, expected := range logCase.expectedQueryParams { |
| actual := query.Get(key) |
| if actual != expected { |
| return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual) |
| } |
| } |
| return &http.Response{ |
| StatusCode: http.StatusOK, |
| Body: ioutil.NopCloser(bytes.NewReader([]byte("response"))), |
| }, nil |
| }), |
| } |
| body, err := client.ContainerLogs(context.Background(), "container_id", logCase.options) |
| if logCase.expectedError != "" { |
| assert.Check(t, is.Error(err, logCase.expectedError)) |
| continue |
| } |
| assert.NilError(t, err) |
| defer body.Close() |
| content, err := ioutil.ReadAll(body) |
| assert.NilError(t, err) |
| assert.Check(t, is.Contains(string(content), "response")) |
| } |
| } |
| |
| func ExampleClient_ContainerLogs_withTimeout() { |
| ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) |
| defer cancel() |
| |
| client, _ := NewClientWithOpts(FromEnv) |
| reader, err := client.ContainerLogs(ctx, "container_id", types.ContainerLogsOptions{}) |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| _, err = io.Copy(os.Stdout, reader) |
| if err != nil && err != io.EOF { |
| log.Fatal(err) |
| } |
| } |