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How to use generateExpectedExceptionButNoneWasThrown method of org.testingisdocumenting.webtau.expectation.code.ThrowExceptionMatcher class

Best Webtau code snippet using org.testingisdocumenting.webtau.expectation.code.ThrowExceptionMatcher.generateExpectedExceptionButNoneWasThrown

Source:ThrowExceptionMatcher.java

...60    }61    @Override62    public String mismatchedMessage(CodeBlock codeBlock) {63        if (thrownClass == null) {64            return generateExpectedExceptionButNoneWasThrown();65        }66        return comparator.generateEqualMismatchReport() +67                (thrownExceptionStackTrace != null ? "\nstack trace:\n" + thrownExceptionStackTrace : "");68    }69    @Override70    public Stream<Object> expectedValues() {71        if (expectedMessage != null) {72            return Stream.of(expectedMessage);73        }74        if (expectedClass != null) {75            return Stream.of(expectedClass);76        }77        return Stream.empty();78    }79    @Override80    public Object actualValue() {81        return thrownMessage;82    }83    @Override84    public boolean matches(CodeBlock codeBlock) {85        try {86            codeBlock.execute();87        } catch (Throwable t) {88            extractExceptionDetails(t);89        }90        comparator = CompareToComparator.comparator();91        boolean isEqual = true;92        if (expectedMessage != null) {93            isEqual = comparator.compareIsEqual(createActualPath("expected exception message"), thrownMessage, expectedMessage);94        }95        if (expectedMessageRegexp != null) {96            isEqual = comparator.compareIsEqual(createActualPath("expected exception message"),97                    thrownMessage, expectedMessageRegexp) && isEqual;98        }99        if (expectedClass != null) {100            isEqual = comparator.compareIsEqual(createActualPath("expected exception class"),101                    thrownClass, expectedClass) && isEqual;102        }103        return isEqual;104    }105    private void extractExceptionDetails(Throwable t) {106        thrownExceptionStackTrace = StackTraceUtils.renderStackTrace(t);107        if (t instanceof UndeclaredThrowableException) {108            Throwable undeclaredCheckedException = t.getCause();109            thrownMessage = undeclaredCheckedException.getMessage();110            thrownClass = undeclaredCheckedException.getClass();111        } else if (t instanceof ExceptionInInitializerError) {112            Throwable exception = ((ExceptionInInitializerError) t).getException();113            thrownMessage = exception.getMessage();114            thrownClass = exception.getClass();115        } else {116            thrownMessage = t.getMessage();117            thrownClass = t.getClass();118        }119    }120    private String generateExpectedExceptionButNoneWasThrown() {121        String result = "expected exception but none was thrown";122        if (expectedClass != null) {123            result += " <" + expectedClass.getSimpleName() + ">";124        }125        if (expectedMessage != null) {126            result += ": " + expectedMessage;127        }128        return result;129    }130}...

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