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|
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 TestImageListError(t *testing.T) {
client := &Client{
transport: newMockClient(nil, errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ImageList(context.Background(), types.ImageListOptions{})
if err == nil || err.Error() != "Error response from daemon: Server error" {
t.Fatalf("expected a Server Error, got %v", err)
}
}
func TestImageList(t *testing.T) {
expectedURL := "/images/json"
noDanglingfilters := filters.NewArgs()
noDanglingfilters.Add("dangling", "false")
filters := filters.NewArgs()
filters.Add("label", "label1")
filters.Add("label", "label2")
filters.Add("dangling", "true")
listCases := []struct {
options types.ImageListOptions
expectedQueryParams map[string]string
}{
{
options: types.ImageListOptions{},
expectedQueryParams: map[string]string{
"all": "",
"filter": "",
"filters": "",
},
},
{
options: types.ImageListOptions{
All: true,
MatchName: "image_name",
},
expectedQueryParams: map[string]string{
"all": "1",
"filter": "image_name",
"filters": "",
},
},
{
options: types.ImageListOptions{
Filters: filters,
},
expectedQueryParams: map[string]string{
"all": "",
"filter": "",
"filters": `{"dangling":{"true":true},"label":{"label1":true,"label2":true}}`,
},
},
{
options: types.ImageListOptions{
Filters: noDanglingfilters,
},
expectedQueryParams: map[string]string{
"all": "",
"filter": "",
"filters": `{"dangling":{"false":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)
}
query := req.URL.Query()
for key, expected := range listCase.expectedQueryParams {
actual := query.Get(key)
if actual != expected {
return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual)
}
}
content, err := json.Marshal([]types.Image{
{
ID: "image_id2",
},
{
ID: "image_id2",
},
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: ioutil.NopCloser(bytes.NewReader(content)),
}, nil
}),
}
images, err := client.ImageList(context.Background(), listCase.options)
if err != nil {
t.Fatal(err)
}
if len(images) != 2 {
t.Fatalf("expected 2 images, got %v", images)
}
}
}
|
