github.com/rawahars/moby@v24.0.4+incompatible/client/container_wait_test.go (about) 1 package client // import "github.com/docker/docker/client" 2 3 import ( 4 "bytes" 5 "context" 6 "encoding/json" 7 "fmt" 8 "io" 9 "log" 10 "net/http" 11 "strings" 12 "testing" 13 "time" 14 15 "github.com/docker/docker/api/types/container" 16 "github.com/docker/docker/errdefs" 17 ) 18 19 func TestContainerWaitError(t *testing.T) { 20 client := &Client{ 21 client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")), 22 } 23 resultC, errC := client.ContainerWait(context.Background(), "nothing", "") 24 select { 25 case result := <-resultC: 26 t.Fatalf("expected to not get a wait result, got %d", result.StatusCode) 27 case err := <-errC: 28 if !errdefs.IsSystem(err) { 29 t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err) 30 } 31 } 32 } 33 34 func TestContainerWait(t *testing.T) { 35 expectedURL := "/containers/container_id/wait" 36 client := &Client{ 37 client: newMockClient(func(req *http.Request) (*http.Response, error) { 38 if !strings.HasPrefix(req.URL.Path, expectedURL) { 39 return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) 40 } 41 b, err := json.Marshal(container.WaitResponse{ 42 StatusCode: 15, 43 }) 44 if err != nil { 45 return nil, err 46 } 47 return &http.Response{ 48 StatusCode: http.StatusOK, 49 Body: io.NopCloser(bytes.NewReader(b)), 50 }, nil 51 }), 52 } 53 54 resultC, errC := client.ContainerWait(context.Background(), "container_id", "") 55 select { 56 case err := <-errC: 57 t.Fatal(err) 58 case result := <-resultC: 59 if result.StatusCode != 15 { 60 t.Fatalf("expected a status code equal to '15', got %d", result.StatusCode) 61 } 62 } 63 } 64 65 func TestContainerWaitProxyInterrupt(t *testing.T) { 66 expectedURL := "/v1.30/containers/container_id/wait" 67 msg := "copying response body from Docker: unexpected EOF" 68 client := &Client{ 69 version: "1.30", 70 client: newMockClient(func(req *http.Request) (*http.Response, error) { 71 if !strings.HasPrefix(req.URL.Path, expectedURL) { 72 return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) 73 } 74 return &http.Response{ 75 StatusCode: http.StatusOK, 76 Body: io.NopCloser(strings.NewReader(msg)), 77 }, nil 78 }), 79 } 80 81 resultC, errC := client.ContainerWait(context.Background(), "container_id", "") 82 select { 83 case err := <-errC: 84 if !strings.Contains(err.Error(), msg) { 85 t.Fatalf("Expected: %s, Actual: %s", msg, err.Error()) 86 } 87 case result := <-resultC: 88 t.Fatalf("Unexpected result: %v", result) 89 } 90 } 91 92 func TestContainerWaitProxyInterruptLong(t *testing.T) { 93 expectedURL := "/v1.30/containers/container_id/wait" 94 msg := strings.Repeat("x", containerWaitErrorMsgLimit*5) 95 client := &Client{ 96 version: "1.30", 97 client: newMockClient(func(req *http.Request) (*http.Response, error) { 98 if !strings.HasPrefix(req.URL.Path, expectedURL) { 99 return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL) 100 } 101 return &http.Response{ 102 StatusCode: http.StatusOK, 103 Body: io.NopCloser(strings.NewReader(msg)), 104 }, nil 105 }), 106 } 107 108 resultC, errC := client.ContainerWait(context.Background(), "container_id", "") 109 select { 110 case err := <-errC: 111 // LimitReader limiting isn't exact, because of how the Readers do chunking. 112 if len(err.Error()) > containerWaitErrorMsgLimit*2 { 113 t.Fatalf("Expected error to be limited around %d, actual length: %d", containerWaitErrorMsgLimit, len(err.Error())) 114 } 115 case result := <-resultC: 116 t.Fatalf("Unexpected result: %v", result) 117 } 118 } 119 120 func ExampleClient_ContainerWait_withTimeout() { 121 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) 122 defer cancel() 123 124 client, _ := NewClientWithOpts(FromEnv) 125 _, errC := client.ContainerWait(ctx, "container_id", "") 126 if err := <-errC; err != nil { 127 log.Fatal(err) 128 } 129 }