public static <T> void assertUnorderedCollection(
Collection<? extends T> collection, Consumer<T>... checkers) {
Assert.assertNotNull(collection);
if (collection.size() != checkers.length) {
Assert.fail(toString(collection));
}
Set<Consumer<T>> checkerSet = new HashSet<Consumer<T>>(Arrays.asList(checkers));
int i = 0;
Throwable lastError = null;
for (final T actual : collection) {
boolean flag = true;
for (final Consumer<T> condition : checkerSet) {
Throwable error = accepts(condition, actual);
if (error == null) {
checkerSet.remove(condition);
flag = false;
break;
} else {
lastError = error;
}
}
if (flag) {
lastError.printStackTrace();
Assert.fail("Incorrect element(" + i + "): " + actual);
}
i++;
}
}
protected void assertNoThrowable(final Runnable closure) {
String throwableName = null;
try {
closure.run();
} catch (Throwable thr) {
throwableName = thr.getClass().getName();
}
assertNull(throwableName);
}
/**
* {@link RemoteUtil#unwrap(Throwable) unwraps} given exception if possible and builds error
* message for it.
*
* @param e exception to process
* @return error message for the given exception
*/
@SuppressWarnings({"ThrowableResultOfMethodCallIgnored", "IOResourceOpenedButNotSafelyClosed"})
@NotNull
public static String buildErrorMessage(@NotNull Throwable e) {
Throwable unwrapped = RemoteUtil.unwrap(e);
String reason = unwrapped.getLocalizedMessage();
if (!StringUtil.isEmpty(reason)) {
return reason;
} else if (unwrapped.getClass() == ExternalSystemException.class) {
return String.format(
"exception during working with external system: %s",
((ExternalSystemException) unwrapped).getOriginalReason());
} else {
StringWriter writer = new StringWriter();
unwrapped.printStackTrace(new PrintWriter(writer));
return writer.toString();
}
}
private static void assertExceptionOccurred(
boolean shouldOccur, AbstractExceptionCase exceptionCase, String expectedErrorMsg)
throws Throwable {
boolean wasThrown = false;
try {
exceptionCase.tryClosure();
} catch (Throwable e) {
if (shouldOccur) {
wasThrown = true;
final String errorMessage = exceptionCase.getAssertionErrorMessage();
assertEquals(errorMessage, exceptionCase.getExpectedExceptionClass(), e.getClass());
if (expectedErrorMsg != null) {
assertEquals("Compare error messages", expectedErrorMsg, e.getMessage());
}
} else if (exceptionCase.getExpectedExceptionClass().equals(e.getClass())) {
wasThrown = true;
System.out.println("");
e.printStackTrace(System.out);
fail("Exception isn't expected here. Exception message: " + e.getMessage());
} else {
throw e;
}
} finally {
if (shouldOccur && !wasThrown) {
fail(exceptionCase.getAssertionErrorMessage());
}
}
}