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package org.netbeans.modules.php.nette.tester.coverage;


import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.Reader;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import org.netbeans.junit.NbTestCase;
import org.netbeans.modules.php.spi.testing.coverage.Coverage;
import org.netbeans.modules.php.spi.testing.coverage.FileMetrics;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertTrue;

public class CloverLogParserTest extends NbTestCase {

    public CloverLogParserTest(String name) {
        super(name);
    }

    public void testParse() throws Exception {
        Reader reader = new BufferedReader(new FileReader(getCoverageLog("coverage.xml")));

        List<Coverage.File> files = CloverLogParser.parse(reader);

        assertNotNull(files);
        assertTrue(!files.isEmpty());
        assertEquals(2, files.size());

        Coverage.File file = files.get(0);
        assertEquals(new File(getDataDir(), "testdata/Calculator.php").getAbsolutePath(), file.getPath());
        FileMetrics metrics = file.getMetrics();
        assertNotNull(metrics);
        assertEquals(72, metrics.getLineCount());
        assertEquals(7, metrics.getStatements());
        assertEquals(6, metrics.getCoveredStatements());
        assertNotNull(file.getLines());
        assertEquals(9, file.getLines().size());
        Coverage.Line line = file.getLines().get(0);
        assertEquals(47, line.getNumber());
        assertEquals(1, line.getHitCount());
        line = file.getLines().get(1);
        assertEquals(50, line.getNumber());
        assertEquals(1, line.getHitCount());
        line = file.getLines().get(2);
        assertEquals(54, line.getNumber());
        assertEquals(1, line.getHitCount());
        line = file.getLines().get(7);
        assertEquals(69, line.getNumber());
        assertEquals(0, line.getHitCount());
        line = file.getLines().get(8);
        assertEquals(73, line.getNumber());
        assertEquals(1, line.getHitCount());

        file = files.get(1);
        assertEquals(new File(getDataDir(), "testdata/Calculator2.php").getAbsolutePath(), file.getPath());
        metrics = file.getMetrics();
        assertNotNull(metrics);
        assertEquals(72, metrics.getLineCount());
        assertEquals(0, metrics.getStatements());
        assertEquals(0, metrics.getCoveredStatements());
        assertNotNull(file.getLines());
        assertEquals(0, file.getLines().size());
    }

    private File getCoverageLog(String filename) throws Exception {
        File coverageLog = new File(getDataDir(), filename);
        assertTrue(coverageLog.isFile());
        fixContent(coverageLog);
        return coverageLog;
    }

    private void fixContent(File file) throws Exception {
        Path path = file.toPath();
        Charset charset = StandardCharsets.UTF_8;
        String content = new String(Files.readAllBytes(path), charset);
        content = content.replaceAll("%WORKDIR%", getDataDir().getAbsolutePath());
        Files.write(path, content.getBytes(charset));
    }

}
