Method testError

test/org/apache/pig/TestStoreFuncWrapper.java:85–101

()

    // Asserts that each call to an improperly initialized Wrapper fails.
    @Test
    public void testError() throws IOException {
        MockWrapper wrapper = new MockWrapper(); // <-- !! storeFunc not set !!

        IllegalArgumentException e = null;
        try {
            wrapper.getOutputFormat();
        } catch (IllegalArgumentException ex) {
            e = ex;
        }

        assertNotNull("A useful exception should have been thrown when a method is called on an "
            + "improperly initialized StoreFuncWrapper", e);
        assertTrue("The method name that caused the problem should have been mentioned in the "
            + "exception, since the stack trace gets swallowed when this occurs",
            e.getMessage().contains("getOutputFormat"));
    }

    private static class MockWrapper extends StoreFuncWrapper {
        private MockWrapper() { }