github.com/olljanat/moby@v1.13.1/client/container_export_test.go (about)

     1  package client
     2  
     3  import (
     4  	"bytes"
     5  	"fmt"
     6  	"io/ioutil"
     7  	"net/http"
     8  	"strings"
     9  	"testing"
    10  
    11  	"golang.org/x/net/context"
    12  )
    13  
    14  func TestContainerExportError(t *testing.T) {
    15  	client := &Client{
    16  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    17  	}
    18  	_, err := client.ContainerExport(context.Background(), "nothing")
    19  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    20  		t.Fatalf("expected a Server Error, got %v", err)
    21  	}
    22  }
    23  
    24  func TestContainerExport(t *testing.T) {
    25  	expectedURL := "/containers/container_id/export"
    26  	client := &Client{
    27  		client: newMockClient(func(r *http.Request) (*http.Response, error) {
    28  			if !strings.HasPrefix(r.URL.Path, expectedURL) {
    29  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, r.URL)
    30  			}
    31  
    32  			return &http.Response{
    33  				StatusCode: http.StatusOK,
    34  				Body:       ioutil.NopCloser(bytes.NewReader([]byte("response"))),
    35  			}, nil
    36  		}),
    37  	}
    38  	body, err := client.ContainerExport(context.Background(), "container_id")
    39  	if err != nil {
    40  		t.Fatal(err)
    41  	}
    42  	defer body.Close()
    43  	content, err := ioutil.ReadAll(body)
    44  	if err != nil {
    45  		t.Fatal(err)
    46  	}
    47  	if string(content) != "response" {
    48  		t.Fatalf("expected response to contain 'response', got %s", string(content))
    49  	}
    50  }