Example usage for java.lang System setErr

Introduction

In this page you can find the example usage for java.lang System setErr.

Prototype

public static void setErr(PrintStream err) 

Source Link

Document

Reassigns the "standard" error output stream.

Usage

From source file:org.apache.flink.yarn.CliFrontendYarnAddressConfigurationTest.java

@AfterClass
public static void restoreAfterwards() {
    System.setOut(OUT);
    System.setErr(ERR);
}

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From source file:org.pentaho.di.trans.steps.excelwriter.ExcelWriterStepTest.java

@Test
public void testMaxSheetNameLength() throws Exception {
    PrintStream err = System.err;
    try {/*from   ww w  . j  ava2s.  co m*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        System.setErr(new PrintStream(baos));

        when(mockHelper.initStepMetaInterface.getSheetname()).thenReturn("12345678901234567890123456789012"); // 32 character
        step.init(mockHelper.initStepMetaInterface, mockHelper.initStepDataInterface);

        String content = baos.toString("UTF-8"); // e.g. ISO-8859-1
        if (!content.contains("12345678901234567890123456789012")) {
            fail();
        }
    } finally {
        System.setErr(err);
    }
}

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From source file:com.thoughtworks.go.agent.bootstrapper.AgentBootstrapperFunctionalTest.java

@Test
public void shouldLoadAndBootstrapJarUsingAgentBootstrapCode_specifiedInAgentManifestFile() throws Exception {
    if (!OS_CHECKER.satisfy()) {
        PrintStream err = System.err;
        try {/*from   w ww . ja v a2 s .c  om*/
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            System.setErr(new PrintStream(os));
            File agentJar = new File("agent.jar");
            agentJar.delete();
            new AgentBootstrapper() {
                @Override
                void jvmExit(int returnValue) {
                }
            }.go(false,
                    new AgentBootstrapperArgs(new URL("http://" + "localhost" + ":" + server.getPort() + "/go"),
                            null, AgentBootstrapperArgs.SslMode.NONE));
            agentJar.delete();
            assertThat(new String(os.toByteArray()), containsString("Hello World Fellas!"));
        } finally {
            System.setErr(err);
        }
    }
}

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From source file:net.sourceforge.seqware.pipeline.plugins.GenericMetadataSaverTest.java

@Before
@Override//w  w  w . j a  va  2  s  .  co m
public void setUp() {
    super.setUp();
    instance = new ModuleRunner();
    instance.setMetadata(metadata);

    outStream = new ByteArrayOutputStream();
    errStream = new ByteArrayOutputStream();
    PrintStream pso = new PrintStream(outStream);
    PrintStream pse = new PrintStream(errStream) {

        @Override
        public PrintStream append(CharSequence csq) {
            return super.append(csq);
        }

        @Override
        public void print(String s) {
            super.print(s);
        }
    };
    System.setOut(pso);
    System.setErr(pse);
}

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From source file:org.apache.hadoop.streaming.UtilTest.java

void redirectIfAntJunit() throws IOException {
    boolean fromAntJunit = System.getProperty("test.build.data") != null;
    if (fromAntJunit) {
        new File(antTestDir_).mkdirs();
        File outFile = new File(antTestDir_, testName_ + ".log");
        PrintStream out = new PrintStream(new FileOutputStream(outFile));
        System.setOut(out);//from  ww w . ja  v  a 2  s .c  om
        System.setErr(out);
    }
}

---

From source file:org.apache.tika.cli.TikaCLIBatchIT.java

@After
public void tearDown() throws Exception {
    System.setOut(new PrintStream(out, true, UTF_8.name()));
    System.setErr(new PrintStream(err, true, UTF_8.name()));
    //TODO: refactor to use our deleteDirectory with straight path
    //FileUtils.deleteDirectory(tempOutputDir.toFile());
}

---

From source file:org.sonar.batch.mediumtest.log.LogListenerTest.java

@Before
public void prepare() throws IOException {
    System.setOut(new PrintStream(stdOutTarget));
    System.setErr(new PrintStream(stdErrTarget));
    // logger from the batch might write to it asynchronously
    logOutput = Collections.synchronizedList(new LinkedList<LogEvent>());
    logOutputStr = new StringBuilder();
    tester.start();//from  www . j  a v  a 2  s.  c om

    baseDir = temp.getRoot();

    builder = ImmutableMap.<String, String>builder().put("sonar.task", "scan")
            .put("sonar.projectBaseDir", baseDir.getAbsolutePath()).put("sonar.projectKey", "com.foo.project")
            .put("sonar.projectName", "Foo Project").put("sonar.projectVersion", "1.0-SNAPSHOT")
            .put("sonar.projectDescription", "Description of Foo Project");
}

---

From source file:test.org.eclipse.dirigible.runtime.java.AbstractJavaExecutorTest.java

@After
public void tearDown() throws Exception {
    if (baos != null) {
        baos.close();/*from   w  w w. ja  v a  2  s.  co  m*/
    }
    if (printStream != null) {
        printStream.close();
    }
    System.setOut(backupOut);
    System.setErr(backupErr);
}

---

From source file:org.apache.hadoop.hive.ql.session.TestClearDanglingScratchDir.java

public void redirectStdOutErr() {
    stdout = new ByteArrayOutputStream();
    PrintStream psStdout = new PrintStream(stdout);
    origStdoutPs = System.out;/*from   ww  w .  j  a  v  a 2 s . com*/
    System.setOut(psStdout);

    stderr = new ByteArrayOutputStream();
    PrintStream psStderr = new PrintStream(stderr);
    origStderrPs = System.err;
    System.setErr(psStderr);
}

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From source file:org.g_node.converter.ConvCliToolControllerTest.java

/**
 * Tests the run method of the {@link ConvCliToolController}.
 * @throws Exception/* w  w  w  .  ja  v a  2s  .  c  o m*/
 */
@Test
public void runTest() throws Exception {
    // TODO check if this should be split up into different tests.

    // Set up environment
    final PrintStream stdout = System.out;
    final ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    System.setOut(new PrintStream(outStream));
    final PrintStream errout = System.err;
    final ByteArrayOutputStream errStream = new ByteArrayOutputStream();
    System.setErr(new PrintStream(errStream));

    Logger rootLogger = Logger.getRootLogger();
    rootLogger.setLevel(Level.INFO);
    rootLogger.addAppender(new ConsoleAppender(new PatternLayout("[%-5p] %m%n")));

    // Create test files
    final String tmpRoot = System.getProperty("java.io.tmpdir");
    final String testFolderName = "fileservicetest";
    final String testFileName = "test.txt";
    final Path testFileFolder = Paths.get(tmpRoot, testFolderName);
    final File currTestFile = testFileFolder.resolve(testFileName).toFile();
    FileUtils.write(currTestFile, "This is a normal test file");

    final String testTurtleFileName = "test.ttl";
    final String testTurtleDefaultOutName = "test_out.ttl";
    final File currTurtleTestFile = testFileFolder.resolve(testTurtleFileName).toFile();
    FileUtils.write(currTurtleTestFile, "");

    final String testInvalidFileName = "test.rdf";
    final File currInvalidTestFile = testFileFolder.resolve(testInvalidFileName).toFile();
    FileUtils.write(currInvalidTestFile, "I shall crash!");

    final String outFileName = testFileFolder.resolve("out.ttl").toString();

    final CommandLineParser parser = new DefaultParser();
    final Options useOptions = this.convCont.options();
    String[] args;
    CommandLine cmd;

    // Test missing argument
    args = new String[1];
    args[0] = "-i";
    try {
        parser.parse(useOptions, args, false);
    } catch (MissingArgumentException e) {
        assertThat(e).hasMessage("Missing argument for option: i");
    }

    // Test non existent input file
    args = new String[2];
    args[0] = "-i";
    args[1] = "iDoNotExist";
    cmd = parser.parse(useOptions, args, false);
    this.convCont.run(cmd);

    assertThat(outStream.toString()).contains("Input file iDoNotExist does not exist");
    outStream.reset();

    // Test existing input file, unsupported file type
    args = new String[2];
    args[0] = "-i";
    args[1] = currTestFile.toString();
    cmd = parser.parse(useOptions, args, false);
    this.convCont.run(cmd);

    assertThat(outStream.toString())
            .contains(String.join("", "[ERROR] Input RDF file ", currTestFile.toString(), " cannot be read."));
    outStream.reset();

    // Test provide supported input file type, unsupported output RDF format
    args = new String[4];
    args[0] = "-i";
    args[1] = currTurtleTestFile.toString();
    args[2] = "-f";
    args[3] = "iDoNotExist";
    cmd = parser.parse(useOptions, args, false);
    this.convCont.run(cmd);

    assertThat(outStream.toString()).contains("[ERROR] Unsupported output format: 'IDONOTEXIST'");
    outStream.reset();

    // Test provide supported input file type, test write output file w/o providing output filename
    args = new String[2];
    args[0] = "-i";
    args[1] = currTurtleTestFile.toString();
    cmd = parser.parse(useOptions, args, false);
    this.convCont.run(cmd);

    assertThat(outStream.toString()).contains(String.join("", "[INFO ] Writing data to RDF file '",
            testFileFolder.resolve(testTurtleDefaultOutName).toString(), "' using format 'TTL'"));
    outStream.reset();

    // Test invalid RDF input file
    args = new String[2];
    args[0] = "-i";
    args[1] = currInvalidTestFile.toString();
    cmd = parser.parse(useOptions, args, false);
    this.convCont.run(cmd);

    assertThat(outStream.toString()).contains("[line: 1, col: 1 ] Content is not allowed in prolog.");
    outStream.reset();

    // Test writing to provided output file does not match provided output format
    args = new String[6];
    args[0] = "-i";
    args[1] = currTurtleTestFile.toString();
    args[2] = "-o";
    args[3] = outFileName;
    args[4] = "-f";
    args[5] = "JSON-LD";

    cmd = parser.parse(useOptions, args, false);
    this.convCont.run(cmd);

    assertThat(outStream.toString()).contains(String.join("", "[INFO ] Writing data to RDF file '", outFileName,
            ".jsonld' using format 'JSON-LD'"));
    outStream.reset();

    // Test writing to provided output file
    args = new String[4];
    args[0] = "-i";
    args[1] = currTurtleTestFile.toString();
    args[2] = "-o";
    args[3] = outFileName;

    cmd = parser.parse(useOptions, args, false);
    this.convCont.run(cmd);

    assertThat(outStream.toString()).contains(
            String.join("", "[INFO ] Writing data to RDF file '", outFileName, "' using format 'TTL'"));
    outStream.reset();

    // Clean up
    if (Files.exists(testFileFolder)) {
        FileUtils.deleteDirectory(testFileFolder.toFile());
    }
    rootLogger.removeAllAppenders();
    System.setOut(stdout);
    System.setErr(errout);
}

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