com.stratio.mojo.scala.crossbuild.RewriteJUnitXMLTest.java Source code

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Here is the source code for com.stratio.mojo.scala.crossbuild.RewriteJUnitXMLTest.java

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/**
 * Copyright (C) 2015 Stratio (http://stratio.com)
 *
 * 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.stratio.mojo.scala.crossbuild;

import static org.fest.assertions.Assertions.assertThat;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.io.IOUtils;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.rules.TemporaryFolder;

public class RewriteJUnitXMLTest {

    private static final String[][] reports = new String[][] {
            new String[] { "/basic_junit.xml", "/basic_junit_result.xml" },
            new String[] { "/TEST-com.stratio.common.utils.components.repository.RepositoryComponentTest.xml",
                    "/TEST-com.stratio.common.utils.components.repository.RepositoryComponentTest_result.xml", },
            new String[] { "/empty_file.xml", "/empty_file.xml" } };

    @Rule
    public TemporaryFolder tempDir = new TemporaryFolder();

    @Rule
    public ExpectedException thrown = ExpectedException.none();

    @Test
    public void rewriteNonExistentFile() throws IOException {
        final RewriteJUnitXML rewriter = new RewriteJUnitXML();
        final String path = "report_does_not_exist.xml";
        final String newBinaryVersion = "2.11";
        thrown.expect(FileNotFoundException.class);
        rewriter.rewrite(new File(path), newBinaryVersion);
    }

    @Test
    public void rewrite() throws IOException {
        for (final String[] reportPair : reports) {
            final String origReport = reportPair[0];
            final String resultReport = reportPair[1];
            final RewriteJUnitXML rewriter = new RewriteJUnitXML();
            tempDir.create();
            final File file = tempDir.newFile();
            file.delete();
            Files.copy(getClass().getResourceAsStream(origReport), file.toPath());
            final String newBinaryVersion = "2.11";
            rewriter.rewrite(file, newBinaryVersion);
            assertEqualToResource(file, resultReport);
            file.delete();
        }
    }

    @Test
    public void idempotency() throws IOException {
        for (final String[] reportPair : reports) {
            final String resultReport = reportPair[1];
            final RewriteJUnitXML rewriter = new RewriteJUnitXML();
            tempDir.create();
            final File file = tempDir.newFile();
            file.delete();
            Files.copy(getClass().getResourceAsStream(resultReport), file.toPath());
            final String newBinaryVersion = "2.11";
            rewriter.rewrite(file, newBinaryVersion);
            assertEqualToResource(file, resultReport);
            file.delete();
        }
    }

    private void assertEqualToResource(final File actual, final String expected) throws IOException {
        final List<String> actualLines = IOUtils.readLines(new FileInputStream(actual));
        final List<String> expectedLines = new ArrayList<>(actualLines.size());
        try (final BufferedReader reader = new BufferedReader(
                new InputStreamReader(getClass().getResourceAsStream(expected)))) {
            String line;
            while ((line = reader.readLine()) != null) {
                expectedLines.add(line);
            }
        }
        assertThat(actualLines).isEqualTo(expectedLines);
    }

}