Function TestSetHostHeader

client/request_test.go:21–70

TestSetHostHeader should set fake host for local communications, set real host for normal communications.

(t *testing.T)

// TestSetHostHeader should set fake host for local communications, set real host
// for normal communications.
func TestSetHostHeader(t *testing.T) {
	const testEndpoint = "/test"
	testCases := []struct {
		host            string
		expectedHost    string
		expectedURLHost string
	}{
		{
			host:            "unix:///var/run/docker.sock",
			expectedHost:    DummyHost,
			expectedURLHost: "/var/run/docker.sock",
		},
		{
			host:            "npipe:////./pipe/docker_engine",
			expectedHost:    DummyHost,
			expectedURLHost: "//./pipe/docker_engine",
		},
		{
			host:            "tcp://0.0.0.0:4243",
			expectedHost:    "",
			expectedURLHost: "0.0.0.0:4243",
		},
		{
			host:            "tcp://localhost:4243",
			expectedHost:    "",
			expectedURLHost: "localhost:4243",
		},
	}

	for _, tc := range testCases {
		t.Run(tc.host, func(t *testing.T) {
			client, err := New(WithMockClient(func(req *http.Request) (*http.Response, error) {
				if err := assertRequest(req, http.MethodGet, testEndpoint); err != nil {
					return nil, err
				}
				if req.Host != tc.expectedHost {
					return nil, fmt.Errorf("wxpected host %q, got %q", tc.expectedHost, req.Host)
				}
				if req.URL.Host != tc.expectedURLHost {
					return nil, fmt.Errorf("expected URL host %q, got %q", tc.expectedURLHost, req.URL.Host)
				}
				return mockResponse(http.StatusOK, nil, "")(req)
			}), WithHost(tc.host))
			assert.NilError(t, err)

			_, err = client.sendRequest(t.Context(), http.MethodGet, testEndpoint, nil, nil, nil)
			assert.NilError(t, err)
		})
	}
}

// TestPlainTextError tests the server returning an error in plain text.
// API versions < 1.24 returned plain text errors, but we may encounter