github.com/jwhonce/docker@v0.6.7-0.20190327063223-da823cf3a5a3/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  	"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 err.Error() != "Error response from daemon: Server error" {
    29  			t.Fatalf("expected a Server Error, got %v", err)
    30  		}
    31  		if !errdefs.IsSystem(err) {
    32  			t.Fatalf("expected a Server Error, got %T", err)
    33  		}
    34  	}
    35  }
    36  
    37  func TestContainerWait(t *testing.T) {
    38  	expectedURL := "/containers/container_id/wait"
    39  	client := &Client{
    40  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    41  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    42  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    43  			}
    44  			b, err := json.Marshal(container.ContainerWaitOKBody{
    45  				StatusCode: 15,
    46  			})
    47  			if err != nil {
    48  				return nil, err
    49  			}
    50  			return &http.Response{
    51  				StatusCode: http.StatusOK,
    52  				Body:       ioutil.NopCloser(bytes.NewReader(b)),
    53  			}, nil
    54  		}),
    55  	}
    56  
    57  	resultC, errC := client.ContainerWait(context.Background(), "container_id", "")
    58  	select {
    59  	case err := <-errC:
    60  		t.Fatal(err)
    61  	case result := <-resultC:
    62  		if result.StatusCode != 15 {
    63  			t.Fatalf("expected a status code equal to '15', got %d", result.StatusCode)
    64  		}
    65  	}
    66  }
    67  
    68  func ExampleClient_ContainerWait_withTimeout() {
    69  	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
    70  	defer cancel()
    71  
    72  	client, _ := NewClientWithOpts(FromEnv)
    73  	_, errC := client.ContainerWait(ctx, "container_id", "")
    74  	if err := <-errC; err != nil {
    75  		log.Fatal(err)
    76  	}
    77  }