@Test public void testSetHeaderTwice() { final HeaderCheck check = new HeaderCheck(); check.setHeader("Header"); try { check.setHeader("Header2"); fail("ConversionException is expected"); } catch (ConversionException ex) { assertEquals( "header has already been set - " + "set either header or headerFile, not both", ex.getMessage()); } }
@Test public void testIoExceptionWhenLoadingHeader() throws Exception { final HeaderCheck check = PowerMockito.spy(new HeaderCheck()); PowerMockito.doThrow(new IOException("expected exception")) .when(check, "loadHeader", anyObject()); try { check.setHeader("header"); fail("Exception expected"); } catch (ConversionException ex) { assertTrue(ex.getCause() instanceof IOException); assertEquals("unable to load header", ex.getMessage()); } }