@Test public void testToJsonDoesNotThrowException() throws Exception { final ConfigurationOptionProvider optionProvider = TestConfigurationOptionProvider.of( ConfigurationOption.stringOption().key("foo").description("Foo").configurationCategory("Foos").build()); final ConfigurationRegistry configuration = ConfigurationRegistry.builder().addOptionProvider(optionProvider).build(); new ObjectMapper().writeValueAsString(configuration.getConfigurationOptionsByCategory()); }
@Test public void testOnConfigurationChanged() throws Exception { AtomicBoolean changeListenerFired = new AtomicBoolean(false); final ConfigurationOption<String> configurationOption = ConfigurationOption.stringOption() .key("foo") .dynamic(true) .addChangeListener((opt, oldValue, newValue) -> { assertEquals("foo", opt.getKey()); assertEquals("old", oldValue); assertEquals("new", newValue); changeListenerFired.set(true); throw new RuntimeException("This is an expected test exception. " + "It is thrown to test whether Configuration can cope with change listeners that throw an exception."); }).buildWithDefault("old"); final ConfigurationOptionProvider optionProvider = TestConfigurationOptionProvider.of(configurationOption); final SimpleSource configurationSource = new SimpleSource("test"); final ConfigurationRegistry config = ConfigurationRegistry.builder() .addOptionProvider(optionProvider) .addConfigSource(configurationSource) .build(); config.save("foo", "new", "test"); assertTrue(changeListenerFired.get()); }
@Test public void testValidateConfigurationOption() throws Exception { final ConfigurationOption<Boolean> configurationOption = ConfigurationOption.booleanOption() .key("foo") .addValidator((value) -> { if (!value) { throw new IllegalArgumentException("Validation failed"); } }) .buildWithDefault(true); final ConfigurationOptionProvider optionProvider = TestConfigurationOptionProvider.of(configurationOption); final SimpleSource configurationSource = new SimpleSource("test"); final ConfigurationRegistry config = ConfigurationRegistry.builder() .addOptionProvider(optionProvider) .addConfigSource(configurationSource) .build(); try { config.save("foo", "false", "test"); fail(); } catch (IllegalArgumentException e) { assertEquals("Validation failed", e.getMessage()); } }
@Test(expected = IllegalStateException.class) public void testFailOnRequiredValueMissing() throws Exception { final ConfigurationOption<String> configurationOption = ConfigurationOption.stringOption().key("foo").buildRequired(); final ConfigurationOptionProvider optionProvider = TestConfigurationOptionProvider.of(configurationOption); ConfigurationRegistry.builder().addOptionProvider(optionProvider).failOnMissingRequiredValues(true).build(); }
@Test(expected = IllegalArgumentException.class) public void testDuplicateLabel() throws Exception { final ConfigurationOptionProvider optionProvider = TestConfigurationOptionProvider.of( ConfigurationOption.stringOption().key("foo").description("Foo").build(), ConfigurationOption.stringOption().key("foo").label("Bar").build()); ConfigurationRegistry.builder().addOptionProvider(optionProvider).build(); }