github.com/LazyboyChen7/engine@v17.12.1-ce-rc2+incompatible/client/container_wait_test.go (about)

     1  package client
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"log"
     9  	"net/http"
    10  	"strings"
    11  	"testing"
    12  	"time"
    13  
    14  	"github.com/docker/docker/api/types/container"
    15  
    16  	"golang.org/x/net/context"
    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 err.Error() != "Error response from daemon: Server error" {
    29  			t.Fatalf("expected a Server Error, got %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.ContainerWaitOKBody{
    42  				StatusCode: 15,
    43  			})
    44  			if err != nil {
    45  				return nil, err
    46  			}
    47  			return &http.Response{
    48  				StatusCode: http.StatusOK,
    49  				Body:       ioutil.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 ExampleClient_ContainerWait_withTimeout() {
    66  	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
    67  	defer cancel()
    68  
    69  	client, _ := NewEnvClient()
    70  	_, errC := client.ContainerWait(ctx, "container_id", "")
    71  	if err := <-errC; err != nil {
    72  		log.Fatal(err)
    73  	}
    74  }