CODEWITHSUNDEEP
javabuildjunit
Bohemian
Bohemian

Reputation: 424993

Can JUnit's timeout message be controlled?

Suppose I have a JUnit unit test that has two parts to it and I don't want to separate the parts into separate @Test methods. Suppose also that I want a timeout parameter for the test.

How can I change/intercept/control the timeout assertion failure message to indicate which part of the test timed out?

Here's an attempt that does not work:

@Test(timeout = 1000)
public void test() {
    try {
        // part one of the test
    } catch (Throwable e) {
        Assert.fail("Part one failed");
    }

    try {
        // part two of the test
    } catch (Throwable e) {
        Assert.fail("Part two failed");
    }
}

Upvotes: 4

Views: 847

Answers (2)

Apropos
Apropos

Reputation: 516

Just reading up on the documentation, no. The timeout automatically fails the test. This isn't throwing an exception -- it's done by the test runner. It's possible that you could write your own test runner, but you're still going to have troubles finding out where it failed. I would suggest structuring your test differently. Possibly have your own timer that just fails the test.

Upvotes: 2

iwein
iwein

Reputation: 26161

JUnit's timeout feature is rather limited as you've found out. For timing related tests that require a little more features I've used awaitility. You can use "named await" to customize the message: 

with().pollInterval(ONE_HUNDERED_MILLISECONDS)
    .and().with().pollDelay(20, MILLISECONDS)
    .await("customer registration").until(
            costumerStatus(), equalTo(REGISTERED)
);

Upvotes: 1

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