github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/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/ioutil"
     9  	"log"
    10  	"net/http"
    11  	"strings"
    12  	"testing"
    13  	"time"
    14  
    15  	"github.com/docker/docker/api/types/container"
    16  )
    17  
    18  func TestContainerWaitError(t *testing.T) {
    19  	client := &Client{
    20  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    21  	}
    22  	resultC, errC := client.ContainerWait(context.Background(), "nothing", "")
    23  	select {
    24  	case result := <-resultC:
    25  		t.Fatalf("expected to not get a wait result, got %d", result.StatusCode)
    26  	case err := <-errC:
    27  		if err.Error() != "Error response from daemon: Server error" {
    28  			t.Fatalf("expected a Server Error, got %v", err)
    29  		}
    30  	}
    31  }
    32  
    33  func TestContainerWait(t *testing.T) {
    34  	expectedURL := "/containers/container_id/wait"
    35  	client := &Client{
    36  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    37  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    38  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    39  			}
    40  			b, err := json.Marshal(container.ContainerWaitOKBody{
    41  				StatusCode: 15,
    42  			})
    43  			if err != nil {
    44  				return nil, err
    45  			}
    46  			return &http.Response{
    47  				StatusCode: http.StatusOK,
    48  				Body:       ioutil.NopCloser(bytes.NewReader(b)),
    49  			}, nil
    50  		}),
    51  	}
    52  
    53  	resultC, errC := client.ContainerWait(context.Background(), "container_id", "")
    54  	select {
    55  	case err := <-errC:
    56  		t.Fatal(err)
    57  	case result := <-resultC:
    58  		if result.StatusCode != 15 {
    59  			t.Fatalf("expected a status code equal to '15', got %d", result.StatusCode)
    60  		}
    61  	}
    62  }
    63  
    64  func ExampleClient_ContainerWait_withTimeout() {
    65  	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
    66  	defer cancel()
    67  
    68  	client, _ := NewClientWithOpts(FromEnv)
    69  	_, errC := client.ContainerWait(ctx, "container_id", "")
    70  	if err := <-errC; err != nil {
    71  		log.Fatal(err)
    72  	}
    73  }