github.com/ssdev-go/moby@v17.12.1-ce-rc2+incompatible/client/container_list_test.go (about)

     1  package client
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net/http"
     9  	"strings"
    10  	"testing"
    11  
    12  	"github.com/docker/docker/api/types"
    13  	"github.com/docker/docker/api/types/filters"
    14  	"golang.org/x/net/context"
    15  )
    16  
    17  func TestContainerListError(t *testing.T) {
    18  	client := &Client{
    19  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    20  	}
    21  	_, err := client.ContainerList(context.Background(), types.ContainerListOptions{})
    22  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    23  		t.Fatalf("expected a Server Error, got %v", err)
    24  	}
    25  }
    26  
    27  func TestContainerList(t *testing.T) {
    28  	expectedURL := "/containers/json"
    29  	expectedFilters := `{"before":{"container":true},"label":{"label1":true,"label2":true}}`
    30  	client := &Client{
    31  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    32  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    33  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    34  			}
    35  			query := req.URL.Query()
    36  			all := query.Get("all")
    37  			if all != "1" {
    38  				return nil, fmt.Errorf("all not set in URL query properly. Expected '1', got %s", all)
    39  			}
    40  			limit := query.Get("limit")
    41  			if limit != "0" {
    42  				return nil, fmt.Errorf("limit should have not be present in query. Expected '0', got %s", limit)
    43  			}
    44  			since := query.Get("since")
    45  			if since != "container" {
    46  				return nil, fmt.Errorf("since not set in URL query properly. Expected 'container', got %s", since)
    47  			}
    48  			before := query.Get("before")
    49  			if before != "" {
    50  				return nil, fmt.Errorf("before should have not be present in query, go %s", before)
    51  			}
    52  			size := query.Get("size")
    53  			if size != "1" {
    54  				return nil, fmt.Errorf("size not set in URL query properly. Expected '1', got %s", size)
    55  			}
    56  			filters := query.Get("filters")
    57  			if filters != expectedFilters {
    58  				return nil, fmt.Errorf("expected filters incoherent '%v' with actual filters %v", expectedFilters, filters)
    59  			}
    60  
    61  			b, err := json.Marshal([]types.Container{
    62  				{
    63  					ID: "container_id1",
    64  				},
    65  				{
    66  					ID: "container_id2",
    67  				},
    68  			})
    69  			if err != nil {
    70  				return nil, err
    71  			}
    72  
    73  			return &http.Response{
    74  				StatusCode: http.StatusOK,
    75  				Body:       ioutil.NopCloser(bytes.NewReader(b)),
    76  			}, nil
    77  		}),
    78  	}
    79  
    80  	filters := filters.NewArgs()
    81  	filters.Add("label", "label1")
    82  	filters.Add("label", "label2")
    83  	filters.Add("before", "container")
    84  	containers, err := client.ContainerList(context.Background(), types.ContainerListOptions{
    85  		Size:    true,
    86  		All:     true,
    87  		Since:   "container",
    88  		Filters: filters,
    89  	})
    90  	if err != nil {
    91  		t.Fatal(err)
    92  	}
    93  	if len(containers) != 2 {
    94  		t.Fatalf("expected 2 containers, got %v", containers)
    95  	}
    96  }