Add unit tests to NetworkList

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

client/network_list_test.go

@@ -0,0 +1,108 @@
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/docker/engine-api/types"
+	"github.com/docker/engine-api/types/filters"
+	"golang.org/x/net/context"
+)
+
+func TestNetworkListError(t *testing.T) {
+	client := &Client{
+		transport: newMockClient(nil, errorMock(http.StatusInternalServerError, "Server error")),
+	}
+
+	_, err := client.NetworkList(context.Background(), types.NetworkListOptions{
+		Filters: filters.NewArgs(),
+	})
+	if err == nil || err.Error() != "Error response from daemon: Server error" {
+		t.Fatalf("expected a Server Error, got %v", err)
+	}
+}
+
+func TestNetworkList(t *testing.T) {
+	expectedURL := "/networks"
+
+	noDanglingFilters := filters.NewArgs()
+	noDanglingFilters.Add("dangling", "false")
+
+	danglingFilters := filters.NewArgs()
+	danglingFilters.Add("dangling", "true")
+
+	labelFilters := filters.NewArgs()
+	labelFilters.Add("label", "label1")
+	labelFilters.Add("label", "label2")
+
+	listCases := []struct {
+		options         types.NetworkListOptions
+		expectedFilters string
+	}{
+		{
+			options: types.NetworkListOptions{
+				Filters: filters.NewArgs(),
+			},
+			expectedFilters: "",
+		}, {
+			options: types.NetworkListOptions{
+				Filters: noDanglingFilters,
+			},
+			expectedFilters: `{"dangling":{"false":true}}`,
+		}, {
+			options: types.NetworkListOptions{
+				Filters: danglingFilters,
+			},
+			expectedFilters: `{"dangling":{"true":true}}`,
+		}, {
+			options: types.NetworkListOptions{
+				Filters: labelFilters,
+			},
+			expectedFilters: `{"label":{"label1":true,"label2":true}}`,
+		},
+	}
+
+	for _, listCase := range listCases {
+		client := &Client{
+			transport: newMockClient(nil, func(req *http.Request) (*http.Response, error) {
+				if !strings.HasPrefix(req.URL.Path, expectedURL) {
+					return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
+				}
+				if req.Method != "GET" {
+					return nil, fmt.Errorf("expected GET method, got %s", req.Method)
+				}
+				query := req.URL.Query()
+				actualFilters := query.Get("filters")
+				if actualFilters != listCase.expectedFilters {
+					return nil, fmt.Errorf("filters not set in URL query properly. Expected '%s', got %s", listCase.expectedFilters, actualFilters)
+				}
+				content, err := json.Marshal([]types.NetworkResource{
+					{
+						Name:   "network",
+						Driver: "bridge",
+					},
+				})
+				if err != nil {
+					return nil, err
+				}
+				return &http.Response{
+					StatusCode: http.StatusOK,
+					Body:       ioutil.NopCloser(bytes.NewReader(content)),
+				}, nil
+			}),
+		}
+
+		networkResources, err := client.NetworkList(context.Background(), listCase.options)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(networkResources) != 1 {
+			t.Fatalf("expected 1 network resource, got %v", networkResources)
+		}
+	}
+}