Java tutorial
/** * Licensed to Apereo under one or more contributor license * agreements. See the NOTICE file distributed with this work * for additional information regarding copyright ownership. * Apereo licenses this file to you 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 the following location: * * 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 org.jasig.ssp.web.api.reports; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.Collection; import java.util.List; import javax.annotation.Nullable; import org.apache.commons.io.IOUtils; import org.apache.commons.io.LineIterator; import org.apache.commons.io.input.CharSequenceReader; import org.hamcrest.Matcher; import org.hamcrest.core.IsEqual; import org.hibernate.SessionFactory; import org.jasig.ssp.model.Person; import org.jasig.ssp.service.EarlyAlertService; import org.jasig.ssp.service.PersonService; import org.jasig.ssp.service.impl.SecurityServiceInTestEnvironment; import org.jasig.ssp.service.reference.CampusService; import org.jasig.ssp.util.service.stub.StubPersonAttributesService; import org.junit.After; import org.junit.Before; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.mock.web.MockHttpServletResponse; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import org.springframework.test.context.transaction.TransactionConfiguration; import org.springframework.transaction.annotation.Transactional; import com.google.common.base.Predicate; import com.google.common.base.Predicates; import static org.hamcrest.Matchers.array; import static org.junit.Assert.assertThat; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration("ReportControllerIntegrationTests-context.xml") @TransactionConfiguration @Transactional public abstract class AbstractReportControllerIntegrationTest { @Autowired protected transient SecurityServiceInTestEnvironment securityService; @Autowired protected transient SessionFactory sessionFactory; @Autowired protected transient StubPersonAttributesService personAttributesService; @Autowired protected transient PersonService personService; @Autowired protected transient CampusService campusService; @Autowired protected transient EarlyAlertService earlyAlertService; protected transient List<String> origCoachUsernames; /** * Setup the security service with the administrator. */ @Before public void setUp() { securityService.setCurrent(new Person(Person.SYSTEM_ADMINISTRATOR_ID)); Collection<String> rawCoachUsernames = personAttributesService.getCoachUsernames(); if (rawCoachUsernames != null) { origCoachUsernames = new ArrayList<String>(rawCoachUsernames); } } @After public void tearDown() { personAttributesService.setCoachUsernames(origCoachUsernames); securityService.setCurrent(new Person()); } protected void expectReportBodyLines(List<String> expectedReportBodyLines, MockHttpServletResponse response, Predicate<String> firstBodyRowRule) throws UnsupportedEncodingException { final List<String> actualReportBodyLines = new ArrayList<String>(); final String csvReport = response.getContentAsString(); final LineIterator lineIterator = IOUtils.lineIterator(new CharSequenceReader(csvReport)); boolean accumulatingActualBodyLines = false; if (firstBodyRowRule == null) accumulatingActualBodyLines = true; while (lineIterator.hasNext()) { String line = lineIterator.next(); if (accumulatingActualBodyLines || firstBodyRowRule.apply(line)) { accumulatingActualBodyLines = true; actualReportBodyLines.add(line); } } assertStringCollectionsEqual(expectedReportBodyLines, actualReportBodyLines); } // we do this rather than a simple assertEquals() b/c the diff display // in an IDE is so much nicer protected void assertStringCollectionsEqual(Collection<String> expected, Collection<String> actual) { String[] actualArray = actual.toArray(new String[actual.size()]); assertThat(actualArray, array(matchersFor(expected))); } protected Matcher<String>[] matchersFor(Collection<String> strings) { Matcher<String>[] matchers = new Matcher[strings.size()]; int i = 0; for (String string : strings) { matchers[i++] = IsEqual.equalTo(string); } return matchers; } protected abstract Predicate<String> afterHeader(); protected Predicate<String> afterLineContaining(final String pattern) { return new Predicate<String>() { private boolean matched; private final Predicate<CharSequence> patternMatcher = Predicates.containsPattern(pattern); @Override public boolean apply(@Nullable String input) { if (matched) { return true; } matched = patternMatcher.apply(input); return false; // this predicate matches lines occuring *after* the given pattern } }; } }