com.github.marschall.junitlambda

Class HasMessage<T extends Throwable>

java.lang.Object

org.hamcrest.BaseMatcher<T>

org.hamcrest.TypeSafeMatcher<T>

com.github.marschall.junitlambda.HasMessage<T>

All Implemented Interfaces:

org.hamcrest.Matcher<T>, org.hamcrest.SelfDescribing

public final class HasMessage<T extends Throwable>
extends org.hamcrest.TypeSafeMatcher<T>

Tests if the argument is an exception that has a cause.

Method Summary

Modifier and Type	Method and Description
void	describeTo(org.hamcrest.Description description)
static <T extends Throwable> org.hamcrest.Matcher<T>	hasMessage(org.hamcrest.Matcher<String> messageMatcher) Creates a matcher that matches if the examined Throwable has a message that is matched by the specified messageMatcher.
static <T extends Throwable> org.hamcrest.Matcher<T>	hasMessage(String message) Creates a matcher that matches if the examined Throwable has a message that is equal to the given message.
protected boolean	matchesSafely(T throwable)

Methods inherited from class org.hamcrest.TypeSafeMatcher

describeMismatch, describeMismatchSafely, matches

Methods inherited from class org.hamcrest.BaseMatcher

_dont_implement_Matcher___instead_extend_BaseMatcher_, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

hasMessage

public static <T extends Throwable> org.hamcrest.Matcher<T> hasMessage(org.hamcrest.Matcher<String> messageMatcher)

Creates a matcher that matches if the examined Throwable has a message that is matched by the specified messageMatcher.

For example:

assertThat(anException, hasCause(startsWith("IOException occurred")));

Type Parameters:

T - the expected throwable type

Parameters:

messageMatcher - the matcher to apply to the examined exception message

Returns:

the matcher

hasMessage

public static <T extends Throwable> org.hamcrest.Matcher<T> hasMessage(String message)

Creates a matcher that matches if the examined Throwable has a message that is equal to the given message.

For example:

assertThat(anException, hasMessage("file not writable")));

Type Parameters:

T - the expected throwable type

Parameters:

message - the message that has to be equal to the exception message

Returns:

the matcher

describeTo

public void describeTo(org.hamcrest.Description description)

matchesSafely

protected boolean matchesSafely(T throwable)

Specified by:

matchesSafely in class org.hamcrest.TypeSafeMatcher<T extends Throwable>