Let JUnit Handle Exceptions
| class LogbookTest { |
| |
| @Test |
| void readLogbook() { |
| Logbook logbook = new Logbook(); |
| |
| try { |
| List<String> entries = logbook.readAllEntries(); |
| Assertions.assertEquals(13, entries.size()); |
| } catch (IOException e) { |
» | Assertions.fail(e.getMessage()); |
| } |
| } |
| |
| @Test |
| void readLogbookFail() { |
| Logbook logbook = new Logbook(); |
| |
| try { |
| logbook.readAllEntries(); |
» | Assertions.fail("read should fail"); |
| } catch (IOException ignored) {} |
| } |
| } |
Tests and exceptions often go hand-in-hand. Tests ensure that no exceptions are thrown, or that a particular exception must be thrown.
Let’s look at the code. There’s two examples of tests that depend on exceptions in different ways. The first one ...
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