@Test
public void shouldWriteEnrichedStackTraceToWriter() throws Exception {
StringWriter writer = new StringWriter();
enricher.printStackTrace(exception, writer);
assertTrue(
"JUnit jar " + JUNIT_JAR_PATTERN + " not found in stack trace written to writer",
writer.toString().contains(JUNIT_JAR_PATTERN));
}
@Test
public void shouldWriteEnrichedStackTraceToOutputStream() throws Exception {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
enricher.printStackTrace(exception, outputStream);
String output = new String(outputStream.toByteArray());
assertTrue(
"JUnit jar " + JUNIT_JAR_PATTERN + " not found in stack trace written to output stream",
output.contains(JUNIT_JAR_PATTERN));
}
@Test
public void shouldWriteToSystemErrByDefault() {
PrintStream originalErrStream = System.err;
try {
ByteArrayOutputStream out = new ByteArrayOutputStream();
System.setErr(new PrintStream(out));
enricher.printStackTrace(exception);
String output = new String(out.toByteArray());
assertTrue(
"JUnit jar "
+ JUNIT_JAR_PATTERN
+ " not found in stack trace written to default System.err stream",
output.contains(JUNIT_JAR_PATTERN));
} finally {
System.setErr(originalErrStream);
}
}