| package client // import "github.com/docker/docker/client" |
| |
| import ( |
| "bytes" |
| "context" |
| "fmt" |
| "io/ioutil" |
| "math/rand" |
| "net/http" |
| "strings" |
| "testing" |
| |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/errdefs" |
| "gotest.tools/v3/assert" |
| is "gotest.tools/v3/assert/cmp" |
| ) |
| |
| // TestSetHostHeader should set fake host for local communications, set real host |
| // for normal communications. |
| func TestSetHostHeader(t *testing.T) { |
| testURL := "/test" |
| testCases := []struct { |
| host string |
| expectedHost string |
| expectedURLHost string |
| }{ |
| { |
| "unix:///var/run/docker.sock", |
| "docker", |
| "/var/run/docker.sock", |
| }, |
| { |
| "npipe:////./pipe/docker_engine", |
| "docker", |
| "//./pipe/docker_engine", |
| }, |
| { |
| "tcp://0.0.0.0:4243", |
| "", |
| "0.0.0.0:4243", |
| }, |
| { |
| "tcp://localhost:4243", |
| "", |
| "localhost:4243", |
| }, |
| } |
| |
| for c, test := range testCases { |
| hostURL, err := ParseHostURL(test.host) |
| assert.NilError(t, err) |
| |
| client := &Client{ |
| client: newMockClient(func(req *http.Request) (*http.Response, error) { |
| if !strings.HasPrefix(req.URL.Path, testURL) { |
| return nil, fmt.Errorf("Test Case #%d: Expected URL %q, got %q", c, testURL, req.URL) |
| } |
| if req.Host != test.expectedHost { |
| return nil, fmt.Errorf("Test Case #%d: Expected host %q, got %q", c, test.expectedHost, req.Host) |
| } |
| if req.URL.Host != test.expectedURLHost { |
| return nil, fmt.Errorf("Test Case #%d: Expected URL host %q, got %q", c, test.expectedURLHost, req.URL.Host) |
| } |
| return &http.Response{ |
| StatusCode: http.StatusOK, |
| Body: ioutil.NopCloser(bytes.NewReader([]byte(""))), |
| }, nil |
| }), |
| |
| proto: hostURL.Scheme, |
| addr: hostURL.Host, |
| basePath: hostURL.Path, |
| } |
| |
| _, err = client.sendRequest(context.Background(), http.MethodGet, testURL, nil, nil, nil) |
| assert.NilError(t, err) |
| } |
| } |
| |
| // TestPlainTextError tests the server returning an error in plain text for |
| // backwards compatibility with API versions <1.24. All other tests use |
| // errors returned as JSON |
| func TestPlainTextError(t *testing.T) { |
| client := &Client{ |
| client: newMockClient(plainTextErrorMock(http.StatusInternalServerError, "Server error")), |
| } |
| _, err := client.ContainerList(context.Background(), types.ContainerListOptions{}) |
| if !errdefs.IsSystem(err) { |
| t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err) |
| } |
| } |
| |
| func TestInfiniteError(t *testing.T) { |
| infinitR := rand.New(rand.NewSource(42)) |
| client := &Client{ |
| client: newMockClient(func(req *http.Request) (*http.Response, error) { |
| resp := &http.Response{StatusCode: http.StatusInternalServerError} |
| resp.Header = http.Header{} |
| resp.Body = ioutil.NopCloser(infinitR) |
| return resp, nil |
| }), |
| } |
| |
| _, err := client.Ping(context.Background()) |
| assert.Check(t, is.ErrorContains(err, "request returned Internal Server Error")) |
| } |