Function TestInitializeFromClient

cli/command/cli_test.go:158–206

(t *testing.T)

}

func TestInitializeFromClient(t *testing.T) {
	const defaultVersion = "v1.55"

	testcases := []struct {
		doc            string
		pingFunc       func() (client.PingResult, error)
		expectedServer ServerInfo
		negotiated     bool
	}{
		{
			doc: "successful ping",
			pingFunc: func() (client.PingResult, error) {
				return client.PingResult{Experimental: true, OSType: "linux", APIVersion: "v1.44"}, nil
			},
			expectedServer: ServerInfo{HasExperimental: true, OSType: "linux"},
			negotiated:     true,
		},
		{
			doc: "failed ping, no API version",
			pingFunc: func() (client.PingResult, error) {
				return client.PingResult{}, errors.New("failed")
			},
			expectedServer: ServerInfo{HasExperimental: true},
		},
		{
			doc: "failed ping, with API version",
			pingFunc: func() (client.PingResult, error) {
				return client.PingResult{APIVersion: "v1.44"}, errors.New("failed")
			},
			expectedServer: ServerInfo{HasExperimental: true},
			negotiated:     true,
		},
	}

	for _, tc := range testcases {
		t.Run(tc.doc, func(t *testing.T) {
			apiClient := &fakeClient{
				pingFunc: tc.pingFunc,
				version:  defaultVersion,
			}

			cli := &DockerCli{client: apiClient}
			err := cli.Initialize(flags.NewClientOptions())
			assert.NilError(t, err)
			assert.DeepEqual(t, cli.ServerInfo(), tc.expectedServer)
			assert.Equal(t, apiClient.negotiated, tc.negotiated)
		})
	}
}

// Makes sure we don't hang forever on the initial connection.
// https://github.com/docker/cli/issues/3652