@Test public void testGetRunningContainersExpectingTwoContainers() { String container1 = "TEST_CONTAINER_ID1"; String container2 = "TEST_CONTAINER_ID2"; String imageName1 = "TEST_IMAGE_NAME1"; String imageName2 = "TEST_IMAGE_NAME2"; List<Container> containerIds = new ArrayList<Container>() { { add(getContainer(container1, imageName1)); add(getContainer(container2, imageName2)); } }; // // Arrange // this.mockListCommand(containerIds); // // Act // DockerClient target = new DockerClient(dockerClientStub); target.updateContainerState(); Set<String> result = target.getRunningContainers(); // // Assert // assertTrue(result.contains(container1)); assertTrue(result.contains(container2)); }
@Test public void testGetNotifiedAboutCurrentRunningContainers() { String containerId = "TEST_CONTAINER_ID"; String imageName = "TEST_IMAGE_NAME"; List<Container> containerIds = Collections.singletonList(getContainer(containerId, imageName)); // // Arrange // this.mockListCommand(containerIds); ArgumentCaptor<List> containersCapture = ArgumentCaptor.forClass(List.class); Consumer<List<String>> consumerMock = mock(Consumer.class); // // Act // DockerClient target = new DockerClient(dockerClientStub); target.setDelegate(consumerMock); target.updateContainerState(); // // Assert // verify(consumerMock).accept(containersCapture.capture()); // Second call with both containers assertEquals(imageName, containersCapture.getValue().get(0)); }
@Test public void testGetNotifiedAboutNewRunningContainers() { String container1 = "TEST_CONTAINER_ID1"; String container2 = "TEST_CONTAINER_ID2"; String imageName1 = "TEST_IMAGE_NAME1"; String imageName2 = "TEST_IMAGE_NAME2"; List<Container> firstResponse = Collections.singletonList(getContainer(container1, imageName1)); // at second call it will return a new container id (container2) List<Container> secondResponse = Lists.newArrayList( getContainer(container1, imageName1), getContainer(container2, imageName2)); Consumer<List<String>> consumerMock = mock(Consumer.class); this.mockListCommand(firstResponse, secondResponse); ArgumentCaptor<List> containersCapture = ArgumentCaptor.forClass(List.class); DockerClient target = new DockerClient(dockerClientStub); target.setDelegate(consumerMock); target.updateContainerState(); target.updateContainerState(); verify(consumerMock, times(2)).accept(containersCapture.capture()); assertEquals(imageName1, containersCapture.getAllValues().get(0).get(0)); // Second call with both containers assertTrue(containersCapture.getAllValues().get(1).contains(imageName1)); assertTrue(containersCapture.getAllValues().get(1).contains(imageName2)); }