| package client // import "github.com/docker/docker/client" |
| |
| import ( |
| "bytes" |
| "context" |
| "fmt" |
| "io/ioutil" |
| "net/http" |
| "strings" |
| "testing" |
| |
| "github.com/docker/docker/errdefs" |
| ) |
| |
| func TestContainerStatsError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), |
| } |
| _, err := client.ContainerStats(context.Background(), "nothing", false) |
| if !errdefs.IsSystem(err) { |
| t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err) |
| } |
| } |
| |
| func TestContainerStats(t *testing.T) { |
| expectedURL := "/containers/container_id/stats" |
| cases := []struct { |
| stream bool |
| expectedStream string |
| }{ |
| { |
| expectedStream: "0", |
| }, |
| { |
| stream: true, |
| expectedStream: "1", |
| }, |
| } |
| for _, c := 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) |
| } |
| |
| query := r.URL.Query() |
| stream := query.Get("stream") |
| if stream != c.expectedStream { |
| return nil, fmt.Errorf("stream not set in URL query properly. Expected '%s', got %s", c.expectedStream, stream) |
| } |
| |
| return &http.Response{ |
| StatusCode: http.StatusOK, |
| Body: ioutil.NopCloser(bytes.NewReader([]byte("response"))), |
| }, nil |
| }), |
| } |
| resp, err := client.ContainerStats(context.Background(), "container_id", c.stream) |
| if err != nil { |
| t.Fatal(err) |
| } |
| defer resp.Body.Close() |
| content, err := ioutil.ReadAll(resp.Body) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if string(content) != "response" { |
| t.Fatalf("expected response to contain 'response', got %s", string(content)) |
| } |
| } |
| } |