github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/client/container_export_test.go (about)

     1  package client // import "github.com/docker/docker/client"
     2  
     3  import (
     4  	"bytes"
     5  	"context"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net/http"
     9  	"strings"
    10  	"testing"
    11  
    12  	"github.com/docker/docker/errdefs"
    13  )
    14  
    15  func TestContainerExportError(t *testing.T) {
    16  	client := &Client{
    17  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    18  	}
    19  	_, err := client.ContainerExport(context.Background(), "nothing")
    20  	if !errdefs.IsSystem(err) {
    21  		t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err)
    22  	}
    23  }
    24  
    25  func TestContainerExport(t *testing.T) {
    26  	expectedURL := "/containers/container_id/export"
    27  	client := &Client{
    28  		client: newMockClient(func(r *http.Request) (*http.Response, error) {
    29  			if !strings.HasPrefix(r.URL.Path, expectedURL) {
    30  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, r.URL)
    31  			}
    32  
    33  			return &http.Response{
    34  				StatusCode: http.StatusOK,
    35  				Body:       ioutil.NopCloser(bytes.NewReader([]byte("response"))),
    36  			}, nil
    37  		}),
    38  	}
    39  	body, err := client.ContainerExport(context.Background(), "container_id")
    40  	if err != nil {
    41  		t.Fatal(err)
    42  	}
    43  	defer body.Close()
    44  	content, err := ioutil.ReadAll(body)
    45  	if err != nil {
    46  		t.Fatal(err)
    47  	}
    48  	if string(content) != "response" {
    49  		t.Fatalf("expected response to contain 'response', got %s", string(content))
    50  	}
    51  }