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- package client
- import (
- "bytes"
- "encoding/json"
- "fmt"
- "io/ioutil"
- "net/http"
- "strings"
- "testing"
- "github.com/docker/docker/api/types/image"
- "golang.org/x/net/context"
- )
- func TestImageHistoryError(t *testing.T) {
- client := &Client{
- client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
- }
- _, err := client.ImageHistory(context.Background(), "nothing")
- if err == nil || err.Error() != "Error response from daemon: Server error" {
- t.Fatalf("expected a Server error, got %v", err)
- }
- }
- func TestImageHistory(t *testing.T) {
- expectedURL := "/images/image_id/history"
- client := &Client{
- client: newMockClient(func(r *http.Request) (*http.Response, error) {
- if !strings.HasPrefix(r.URL.Path, expectedURL) {
- return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, r.URL)
- }
- b, err := json.Marshal([]image.HistoryResponseItem{
- {
- ID: "image_id1",
- Tags: []string{"tag1", "tag2"},
- },
- {
- ID: "image_id2",
- Tags: []string{"tag1", "tag2"},
- },
- })
- if err != nil {
- return nil, err
- }
- return &http.Response{
- StatusCode: http.StatusOK,
- Body: ioutil.NopCloser(bytes.NewReader(b)),
- }, nil
- }),
- }
- imageHistories, err := client.ImageHistory(context.Background(), "image_id")
- if err != nil {
- t.Fatal(err)
- }
- if len(imageHistories) != 2 {
- t.Fatalf("expected 2 containers, got %v", imageHistories)
- }
- }
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