LoggingCapture.java

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/*-
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 * #%L
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 * io.earcam.utilitarian.log.slf4j
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 * %%
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 * Copyright (C) 2017 earcam
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 * %%
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 * SPDX-License-Identifier: (BSD-3-Clause OR EPL-1.0 OR Apache-2.0 OR MIT)
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 *
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 * You <b>must</b> choose to accept, in full - any individual or combination of
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 * the following licenses:
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 * <ul>
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 * 	<li><a href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</a></li>
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 * 	<li><a href="https://www.eclipse.org/legal/epl-v10.html">EPL-1.0</a></li>
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 * 	<li><a href="https://www.apache.org/licenses/LICENSE-2.0">Apache-2.0</a></li>
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 * 	<li><a href="https://opensource.org/licenses/MIT">MIT</a></li>
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 * </ul>
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 * #L%
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 */
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package io.earcam.utilitarian.log.slf4j;
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import static io.earcam.utilitarian.log.slf4j.Constants.LOG_FILE_KEY;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import java.io.ByteArrayOutputStream;
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import java.io.OutputStream;
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import java.io.PrintStream;
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import java.io.UnsupportedEncodingException;
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import java.nio.charset.Charset;
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import io.earcam.unexceptional.Exceptional;
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final class LoggingCapture {
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	private LoggingCapture()
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	{}
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	public static String capture(LogCapturable runnable)
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	{
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		ByteArrayOutputStream capture = new ByteArrayOutputStream();
41 1 1. capture : removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::capture → KILLED
 
		capture(runnable, capture);
42 1 1. capture : mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::capture to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
		return new String(capture.toByteArray(), charset());
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	}
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	private static void capture(LogCapturable runnable, ByteArrayOutputStream capture)
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	{
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		PrintStream original = getPrintStream();
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		try {                                            // NOSONAR
50 1 1. capture : removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::setPrintStream → KILLED
 
			setPrintStream(Exceptional.apply(LoggingCapture::newPrintStream, capture));
51 1 1. capture : removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::execute → KILLED
 
			execute(runnable);
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		} finally {
53 1 1. capture : removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::setPrintStream → SURVIVED
 
			setPrintStream(original);
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		}
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	}
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	private static PrintStream newPrintStream(OutputStream capture) throws UnsupportedEncodingException
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	{
60 1 1. newPrintStream : mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::newPrintStream to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
		return new PrintStream(capture, true, charset().toString());
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	}
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	private static void execute(LogCapturable runnable)
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	{
66 1 1. execute : removed call to io/earcam/unexceptional/Exceptional::run → KILLED
 
		Exceptional.run(runnable::run);
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	}
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	private static PrintStream getPrintStream()
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	{
72 2 1. getPrintStream : negated conditional → SURVIVED
2. getPrintStream : mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::getPrintStream to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
		return useStdOut() ? System.out : System.err;    // NOSONAR no!
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	}
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	static boolean useStdOut()
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	{
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		System.getProperty(LOG_FILE_KEY);
79 1 1. useStdOut : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED
 
		return "System.out".equals(System.getProperty(LOG_FILE_KEY, "System.err"));
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	}
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	private static void setPrintStream(PrintStream printStream)
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	{
85 1 1. setPrintStream : negated conditional → KILLED
 
		if(useStdOut()) {
86 1 1. setPrintStream : removed call to java/lang/System::setOut → KILLED
 
			System.setOut(printStream);
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		} else {
88 1 1. setPrintStream : removed call to java/lang/System::setErr → KILLED
 
			System.setErr(printStream);
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		}
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	}
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	private static Charset charset()
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	{
95 1 1. charset : mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::charset to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
		return Charset.forName(System.getProperty("file.encoding", UTF_8.name()));
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	}
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}

Mutations

41

1.1
Location : capture
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::capture → KILLED
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1.1
Location : capture
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::capture to ( if (x != null) null else throw new RuntimeException ) → KILLED
50

1.1
Location : capture
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::setPrintStream → KILLED
51

1.1
Location : capture
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::execute → KILLED
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1.1
Location : capture
Killed by : none removed call to io/earcam/utilitarian/log/slf4j/LoggingCapture::setPrintStream → SURVIVED
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1.1
Location : newPrintStream
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::newPrintStream to ( if (x != null) null else throw new RuntimeException ) → KILLED
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1.1
Location : execute
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() removed call to io/earcam/unexceptional/Exceptional::run → KILLED
72

1.1
Location : getPrintStream
Killed by : none negated conditional → SURVIVED

2.2
Location : getPrintStream
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.individualLogLevelsAreHonoured() mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::getPrintStream to ( if (x != null) null else throw new RuntimeException ) → KILLED
79

1.1
Location : useStdOut
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED
85

1.1
Location : setPrintStream
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() negated conditional → KILLED
86

1.1
Location : setPrintStream
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() removed call to java/lang/System::setOut → KILLED
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1.1
Location : setPrintStream
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdErr() removed call to java/lang/System::setErr → KILLED
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1.1
Location : charset
Killed by : io.earcam.utilitarian.log.slf4j.LoggingTest.basicCaptureOverStdOut() mutated return of Object value for io/earcam/utilitarian/log/slf4j/LoggingCapture::charset to ( if (x != null) null else throw new RuntimeException ) → KILLED

Active mutators

Tests examined


Report generated by PIT 1.4.3