| package client // import "github.com/docker/docker/client" |
| |
| import ( |
| "bytes" |
| "context" |
| "encoding/json" |
| "fmt" |
| "io" |
| "io/ioutil" |
| "net/http" |
| "strings" |
| "testing" |
| |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/api/types/events" |
| "github.com/docker/docker/api/types/filters" |
| ) |
| |
| func TestEventsErrorInOptions(t *testing.T) { |
| errorCases := []struct { |
| options types.EventsOptions |
| expectedError string |
| }{ |
| { |
| options: types.EventsOptions{ |
| Since: "2006-01-02TZ", |
| }, |
| expectedError: `parsing time "2006-01-02TZ"`, |
| }, |
| { |
| options: types.EventsOptions{ |
| Until: "2006-01-02TZ", |
| }, |
| expectedError: `parsing time "2006-01-02TZ"`, |
| }, |
| } |
| for _, e := range errorCases { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), |
| } |
| _, errs := client.Events(context.Background(), e.options) |
| err := <-errs |
| if err == nil || !strings.Contains(err.Error(), e.expectedError) { |
| t.Fatalf("expected an error %q, got %v", e.expectedError, err) |
| } |
| } |
| } |
| |
| func TestEventsErrorFromServer(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), |
| } |
| _, errs := client.Events(context.Background(), types.EventsOptions{}) |
| err := <-errs |
| if err == nil || err.Error() != "Error response from daemon: Server error" { |
| t.Fatalf("expected a Server Error, got %v", err) |
| } |
| } |
| |
| func TestEvents(t *testing.T) { |
| |
| expectedURL := "/events" |
| |
| filters := filters.NewArgs() |
| filters.Add("type", events.ContainerEventType) |
| expectedFiltersJSON := fmt.Sprintf(`{"type":{"%s":true}}`, events.ContainerEventType) |
| |
| eventsCases := []struct { |
| options types.EventsOptions |
| events []events.Message |
| expectedEvents map[string]bool |
| expectedQueryParams map[string]string |
| }{ |
| { |
| options: types.EventsOptions{ |
| Filters: filters, |
| }, |
| expectedQueryParams: map[string]string{ |
| "filters": expectedFiltersJSON, |
| }, |
| events: []events.Message{}, |
| expectedEvents: make(map[string]bool), |
| }, |
| { |
| options: types.EventsOptions{ |
| Filters: filters, |
| }, |
| expectedQueryParams: map[string]string{ |
| "filters": expectedFiltersJSON, |
| }, |
| events: []events.Message{ |
| { |
| Type: "container", |
| ID: "1", |
| Action: "create", |
| }, |
| { |
| Type: "container", |
| ID: "2", |
| Action: "die", |
| }, |
| { |
| Type: "container", |
| ID: "3", |
| Action: "create", |
| }, |
| }, |
| expectedEvents: map[string]bool{ |
| "1": true, |
| "2": true, |
| "3": true, |
| }, |
| }, |
| } |
| |
| for _, eventsCase := range eventsCases { |
| client := &Client{ |
| client: newMockClient(func(req *http.Request) (*http.Response, error) { |
| if !strings.HasPrefix(req.URL.Path, expectedURL) { |
| return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) |
| } |
| query := req.URL.Query() |
| |
| for key, expected := range eventsCase.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) |
| } |
| } |
| |
| buffer := new(bytes.Buffer) |
| |
| for _, e := range eventsCase.events { |
| b, _ := json.Marshal(e) |
| buffer.Write(b) |
| } |
| |
| return &http.Response{ |
| StatusCode: http.StatusOK, |
| Body: ioutil.NopCloser(buffer), |
| }, nil |
| }), |
| } |
| |
| messages, errs := client.Events(context.Background(), eventsCase.options) |
| |
| loop: |
| for { |
| select { |
| case err := <-errs: |
| if err != nil && err != io.EOF { |
| t.Fatal(err) |
| } |
| |
| break loop |
| case e := <-messages: |
| _, ok := eventsCase.expectedEvents[e.ID] |
| if !ok { |
| t.Fatalf("event received not expected with action %s & id %s", e.Action, e.ID) |
| } |
| } |
| } |
| } |
| } |