/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 *
 *   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.apache.maven.surefire.its;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.plugins.surefire.report.ReportTestSuite;
import org.apache.maven.surefire.its.fixture.HelperAssertions;
import org.apache.maven.surefire.its.fixture.IntegrationTestSuiteResults;
import org.apache.maven.surefire.its.fixture.OutputValidator;
import org.apache.maven.surefire.its.fixture.SurefireJUnit4IntegrationTestCase;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

/**
 * Test running two test cases; confirms reporting works correctly
 *
 * @author <a href="mailto:dfabulich@apache.org">Dan Fabulich</a>
 */
public class TwoTestCasesIT extends SurefireJUnit4IntegrationTestCase {
    @Test
    public void testTwoTestCases() {
        unpack("junit-twoTestCases")
                .sysProp("testNgVersion", "5.7")
                .sysProp("testNgClassifier", "jdk15")
                .executeTest()
                .verifyErrorFreeLog()
                .assertTestSuiteResults(2, 0, 0, 0);
    }

    /**
     * Runs two tests encapsulated in a suite
     */
    @Test
    public void testTwoTestCaseSuite() {
        final OutputValidator outputValidator = unpack("junit-twoTestCaseSuite")
                .sysProp("testNgVersion", "5.7")
                .sysProp("testNgClassifier", "jdk15")
                .executeTest();
        outputValidator.verifyErrorFreeLog().assertTestSuiteResults(2, 0, 0, 0);
        List<ReportTestSuite> reports = HelperAssertions.extractReports(outputValidator.getBaseDir());
        Set<String> classNames = extractClassNames(reports);
        assertContains(classNames, "junit.twoTestCaseSuite.BasicTest");
        assertContains(classNames, "junit.twoTestCaseSuite.TestTwo");
        assertEquals("wrong number of classes", 2, classNames.size());
        IntegrationTestSuiteResults results = HelperAssertions.parseReportList(reports);
        HelperAssertions.assertTestSuiteResults(2, 0, 0, 0, results);
    }

    private void assertContains(Set<String> set, String expected) {
        if (set.contains(expected)) {
            return;
        }
        fail("Set didn't contain " + expected);
    }

    private Set<String> extractClassNames(List<ReportTestSuite> reports) {
        HashSet<String> classNames = new HashSet<>();
        for (ReportTestSuite suite : reports) {
            classNames.add(suite.getFullClassName());
        }
        return classNames;
    }

    @Test
    public void testJunit4Suite() {
        final OutputValidator outputValidator = unpack("junit4-twoTestCaseSuite")
                .sysProp("testNgVersion", "5.7")
                .sysProp("testNgClassifier", "jdk15")
                .executeTest();
        outputValidator.verifyErrorFreeLog().assertTestSuiteResults(2, 0, 0, 0);

        List<ReportTestSuite> reports = HelperAssertions.extractReports(outputValidator.getBaseDir());
        Set<String> classNames = extractClassNames(reports);
        assertContains(classNames, "twoTestCaseSuite.BasicTest");
        assertContains(classNames, "twoTestCaseSuite.Junit4TestTwo");
        assertEquals("wrong number of classes", 2, classNames.size());
        IntegrationTestSuiteResults results = HelperAssertions.parseReportList(reports);
        HelperAssertions.assertTestSuiteResults(2, 0, 0, 0, results);
    }

    @Test
    public void testTestNGSuite() {
        final OutputValidator outputValidator = unpack("testng-twoTestCaseSuite")
                .sysProp("testNgVersion", "5.7")
                .sysProp("testNgClassifier", "jdk15")
                .executeTest();
        outputValidator.assertTestSuiteResults(2, 0, 0, 0);
        List<ReportTestSuite> reports = HelperAssertions.extractReports(outputValidator.getBaseDir());
        Set<String> classNames = extractClassNames(reports);
        assertContains(classNames, "testng.two.TestNGTestTwo");
        assertContains(classNames, "testng.two.TestNGSuiteTest");
        assertEquals("wrong number of classes", 2, classNames.size());
        IntegrationTestSuiteResults results = HelperAssertions.parseReportList(reports);
        HelperAssertions.assertTestSuiteResults(2, 0, 0, 0, results);
    }
}
