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package client // import "github.com/docker/docker/client"
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/errdefs"
)
func TestImageListError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ImageList(context.Background(), types.ImageListOptions{})
if !errdefs.IsSystem(err) {
t.Fatalf("expected a Server Error, got %[1]T: %[1]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{
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{
client: newMockClient(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.ImageSummary{
{
ID: "image_id2",
},
{
ID: "image_id2",
},
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.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)
}
}
}
func TestImageListApiBefore125(t *testing.T) {
expectedFilter := "image:tag"
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
query := req.URL.Query()
actualFilter := query.Get("filter")
if actualFilter != expectedFilter {
return nil, fmt.Errorf("filter not set in URL query properly. Expected '%s', got %s", expectedFilter, actualFilter)
}
actualFilters := query.Get("filters")
if actualFilters != "" {
return nil, fmt.Errorf("filters should have not been present, were with value: %s", actualFilters)
}
content, err := json.Marshal([]types.ImageSummary{
{
ID: "image_id2",
},
{
ID: "image_id2",
},
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader(content)),
}, nil
}),
version: "1.24",
}
filters := filters.NewArgs()
filters.Add("reference", "image:tag")
options := types.ImageListOptions{
Filters: filters,
}
images, err := client.ImageList(context.Background(), options)
if err != nil {
t.Fatal(err)
}
if len(images) != 2 {
t.Fatalf("expected 2 images, got %v", images)
}
}
|
