| // Copyright (C) 2017 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.ericsson.gerrit.plugins.highavailability.health; |
| |
| import static javax.servlet.http.HttpServletResponse.SC_FORBIDDEN; |
| import static javax.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR; |
| import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT; |
| import static javax.servlet.http.HttpServletResponse.SC_SERVICE_UNAVAILABLE; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.account.CapabilityControl; |
| import com.google.inject.Provider; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import javax.servlet.http.HttpServletResponse; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.junit.MockitoJUnitRunner; |
| |
| @RunWith(MockitoJUnitRunner.class) |
| public class HealthServletTest { |
| |
| @Rule public TemporaryFolder tempFolder = new TemporaryFolder(); |
| |
| @Mock private Provider<CurrentUser> currentUserProviderMock; |
| @Mock private CurrentUser currentUserMock; |
| @Mock private CapabilityControl capabilityControlMock; |
| |
| private HealthServlet servlet; |
| |
| @Before |
| public void setUp() throws Exception { |
| when(currentUserProviderMock.get()).thenReturn(currentUserMock); |
| when(currentUserMock.getCapabilities()).thenReturn(capabilityControlMock); |
| when(capabilityControlMock.canAdministrateServer()).thenReturn(true); |
| servlet = new HealthServlet(currentUserProviderMock, tempFolder.getRoot().toPath()); |
| } |
| |
| @Test |
| public void shouldBeHealthyByDefault() { |
| assertIsHealthy(); |
| } |
| |
| @Test |
| public void testTransitionToUnhealthy() throws IOException { |
| assertIsHealthy(); |
| |
| // transition from healthy to unhealthy |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doDelete(null, responseMock); |
| verify(responseMock).setStatus(SC_NO_CONTENT); |
| assertIsUnhealthy(); |
| |
| // setting to unhealthy again should not change anything |
| responseMock = mock(HttpServletResponse.class); |
| servlet.doDelete(null, responseMock); |
| verify(responseMock).setStatus(SC_NO_CONTENT); |
| assertIsUnhealthy(); |
| } |
| |
| @Test |
| public void testTransitionToUnhealthyByNonAdmins() throws IOException { |
| assertIsHealthy(); |
| |
| when(capabilityControlMock.canAdministrateServer()).thenReturn(false); |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doDelete(null, responseMock); |
| verify(responseMock).sendError(SC_FORBIDDEN); |
| assertIsHealthy(); |
| } |
| |
| @Test |
| public void testErrorDuringTransitionToUnhealthy() throws IOException { |
| // remove plugin data dir to create an IOException |
| tempFolder.delete(); |
| |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doDelete(null, responseMock); |
| verify(responseMock).sendError(SC_INTERNAL_SERVER_ERROR); |
| } |
| |
| @Test |
| public void testTransitionToHealthy() throws IOException { |
| // first, mark as unhealthy |
| servlet.doDelete(null, mock(HttpServletResponse.class)); |
| assertIsUnhealthy(); |
| |
| // transition from unhealthy to healthy |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doPost(null, responseMock); |
| verify(responseMock).setStatus(SC_NO_CONTENT); |
| assertIsHealthy(); |
| |
| // setting to healthy again should not change anything |
| responseMock = mock(HttpServletResponse.class); |
| servlet.doPost(null, responseMock); |
| verify(responseMock).setStatus(SC_NO_CONTENT); |
| assertIsHealthy(); |
| } |
| |
| @Test |
| public void testTransitionToHealthyByNonAdmins() throws IOException { |
| // first, mark as unhealthy |
| servlet.doDelete(null, mock(HttpServletResponse.class)); |
| assertIsUnhealthy(); |
| |
| when(capabilityControlMock.canAdministrateServer()).thenReturn(false); |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doPost(null, responseMock); |
| verify(responseMock).sendError(SC_FORBIDDEN); |
| assertIsUnhealthy(); |
| } |
| |
| @Test |
| public void testErrorDuringTransitionToHealthy() throws IOException { |
| // Create unhealthy.txt as a folder with content to create an IOException |
| Files.createFile(tempFolder.newFolder("unhealthy.txt").toPath().resolve("child")); |
| |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doPost(null, responseMock); |
| verify(responseMock).sendError(SC_INTERNAL_SERVER_ERROR); |
| } |
| |
| @Test |
| public void testErrorWhileSendingUnhealthyResponse() throws IOException { |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doDelete(null, responseMock); |
| verify(responseMock).setStatus(SC_NO_CONTENT); |
| |
| responseMock = mock(HttpServletResponse.class); |
| doThrow(new IOException("someError")).when(responseMock).sendError(SC_SERVICE_UNAVAILABLE); |
| servlet.doGet(null, responseMock); |
| verify(responseMock).setStatus(SC_INTERNAL_SERVER_ERROR); |
| } |
| |
| private void assertIsHealthy() { |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doGet(null, responseMock); |
| verify(responseMock).setStatus(SC_NO_CONTENT); |
| } |
| |
| private void assertIsUnhealthy() throws IOException { |
| HttpServletResponse responseMock = mock(HttpServletResponse.class); |
| servlet.doGet(null, responseMock); |
| verify(responseMock).sendError(SC_SERVICE_UNAVAILABLE); |
| } |
| } |