ActiveApplicationsCompleterTest.java

/**
 * Copyright (c) Codice Foundation
 * <p>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package org.codice.ddf.admin.application.service.command.completers;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertThat;
import static org.mockito.Matchers.argThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;

import org.apache.karaf.shell.api.console.CommandLine;
import org.codice.ddf.admin.application.service.Application;
import org.codice.ddf.admin.application.service.ApplicationService;
import org.codice.ddf.admin.application.service.ApplicationStatus;
import org.codice.ddf.admin.application.service.ApplicationStatus.ApplicationState;
import org.codice.ddf.admin.application.service.impl.ApplicationImpl;
import org.codice.ddf.admin.application.service.impl.ApplicationServiceImpl;
import org.codice.ddf.admin.application.service.impl.ApplicationStatusImpl;
import org.junit.Test;
import org.mockito.ArgumentMatcher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.spi.LoggingEvent;
import ch.qos.logback.core.Appender;

public class ActiveApplicationsCompleterTest {

    private static final String NO_APP_SERV = "No application service";

    private static CommandLine commandLine = mock(CommandLine.class);

    /**
     * Tests the {@link ActiveApplicationsCompleter#complete(String, int, List)} method,
     * as well as the associated constructor
     */
    @Test
    public void testActiveApplicationsCompleter() {
        ApplicationService testAppService = mock(ApplicationServiceImpl.class);
        Application testApp = mock(ApplicationImpl.class);
        Set<Application> appSet = new HashSet<>();
        appSet.add(testApp);
        ApplicationStatus testStatus = mock(ApplicationStatusImpl.class);
        ApplicationState testState = ApplicationState.ACTIVE;

        when(testAppService.getApplications()).thenReturn(appSet);
        when(testAppService.getApplicationStatus(testApp)).thenReturn(testStatus);
        when(testStatus.getState()).thenReturn(testState);
        when(testApp.getName()).thenReturn("TestApp");

        ActiveApplicationsCompleter activeApplicationsCompleter = new ActiveApplicationsCompleter();
        activeApplicationsCompleter.setApplicationService(testAppService);

        CommandLine commandLine = mock(CommandLine.class);
        assertThat("If the return value is -1, the expected match was not found.",
                activeApplicationsCompleter.complete(null, commandLine, new ArrayList<>()),
                is(not(-1)));
    }

    /**
     * Tests the {@link ActiveApplicationsCompleter#complete(String, int, List)} method
     * for the case where the ApplicationService given to it is null
     */
    // TODO RAP 29 Aug 16: DDF-2443 - Fix test to not depend on specific log output
    @Test
    public void testActiveApplicationsCompleterNullAppService() {
        ch.qos.logback.classic.Logger root =
                (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
        final Appender mockAppender = mock(Appender.class);
        when(mockAppender.getName()).thenReturn("MOCK");
        root.addAppender(mockAppender);
        root.setLevel(Level.ALL);

        ApplicationService testAppService = null;

        ActiveApplicationsCompleter activeApplicationsCompleter = new ActiveApplicationsCompleter();

        activeApplicationsCompleter.complete(null, commandLine, new ArrayList<>());

        verify(mockAppender).doAppend(argThat(new ArgumentMatcher() {
            @Override
            public boolean matches(final Object argument) {
                return ((LoggingEvent) argument).getFormattedMessage()
                        .contains(NO_APP_SERV);
            }
        }));
    }
}