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Java example source code file (RequireAtInjectOnConstructorsTest.java)
The RequireAtInjectOnConstructorsTest.java Java example source code/* * Copyright (C) 2012 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.google.inject; import junit.framework.TestCase; /** * Tests for {@link Binder#requireAtInjectOnConstructors()} * * @author sameb@google.com (Sam Berlin) */ public class RequireAtInjectOnConstructorsTest extends TestCase { public void testNoCxtors_explicitBinding() { try { Guice.createInjector(new AbstractModule() { @Override protected void configure() { bind(NoCxtors.class); binder().requireAtInjectOnConstructors(); } }); fail(); } catch (CreationException ce) { assertEquals(1, ce.getErrorMessages().size()); Asserts.assertContains(ce.getMessage(), "1) Explicit @Inject annotations are required on constructors, but " + NoCxtors.class.getName() + " has no constructors annotated with @Inject", "at " + RequireAtInjectOnConstructorsTest.class.getName() + "$", "configure"); } } public void testNoCxtors_jitBinding() { Injector injector = Guice.createInjector(new AbstractModule() { @Override protected void configure() { binder().requireAtInjectOnConstructors(); } }); try { injector.getInstance(NoCxtors.class); fail(); } catch (ConfigurationException ce) { Asserts.assertContains(ce.getMessage(), "1) Explicit @Inject annotations are required on constructors, but " + NoCxtors.class.getName() + " has no constructors annotated with @Inject", "while locating " + NoCxtors.class.getName()); } } public void testNoCxtors_implicitBinding() { try { Guice.createInjector(new AbstractModule() { @Override protected void configure() { bind(Interface.class).to(NoCxtors.class); binder().requireAtInjectOnConstructors(); } }); fail(); } catch (CreationException ce) { assertEquals(1, ce.getErrorMessages().size()); Asserts.assertContains(ce.getMessage(), "1) Explicit @Inject annotations are required on constructors, but " + NoCxtors.class.getName() + " has no constructors annotated with @Inject", "at " + RequireAtInjectOnConstructorsTest.class.getName() + "$", "configure"); } } public void testNoCxtors_inheritedByPrivateModules() { try { Guice.createInjector(new AbstractModule() { @Override protected void configure() { binder().requireAtInjectOnConstructors(); install(new PrivateModule() { @Override protected void configure() { bind(NoCxtors.class); } }); } }); fail(); } catch (CreationException ce) { assertEquals(1, ce.getErrorMessages().size()); Asserts.assertContains(ce.getMessage(), "1) Explicit @Inject annotations are required on constructors, but " + NoCxtors.class.getName() + " has no constructors annotated with @Inject", "at " + RequireAtInjectOnConstructorsTest.class.getName() + "$", "configure"); } } public void testNoCxtors_accumulatesAllErrors() { try { Guice.createInjector(new AbstractModule() { @Override protected void configure() { bind(NoCxtors.class); bind(AnotherNoCxtors.class); binder().requireAtInjectOnConstructors(); } }); fail(); } catch (CreationException ce) { assertEquals(2, ce.getErrorMessages().size()); Asserts.assertContains(ce.getMessage(), "1) Explicit @Inject annotations are required on constructors, but " + NoCxtors.class.getName() + " has no constructors annotated with @Inject", "at " + RequireAtInjectOnConstructorsTest.class.getName() + "$", "configure", "2) Explicit @Inject annotations are required on constructors, but " + AnotherNoCxtors.class.getName() + " has no constructors annotated with @Inject", "at " + RequireAtInjectOnConstructorsTest.class.getName() + "$", "configure"); } } public void testNoCxtors_separateOptionsForPrivateModules() { try { Guice.createInjector(new AbstractModule() { @Override protected void configure() { bind(AnotherNoCxtors.class); install(new PrivateModule() { @Override protected void configure() { binder().requireAtInjectOnConstructors(); bind(NoCxtors.class); } }); } }); fail(); } catch (CreationException ce) { // This is testing that the parent module doesn't fail because it isn't included // in the error message. assertEquals(1, ce.getErrorMessages().size()); Asserts.assertContains(ce.getMessage(), "1) Explicit @Inject annotations are required on constructors, but " + NoCxtors.class.getName() + " has no constructors annotated with @Inject", "at " + RequireAtInjectOnConstructorsTest.class.getName() + "$", "configure"); } } public void testManyConstructorsButNoneWithAtInject() { try { Guice.createInjector(new AbstractModule() { @Override protected void configure() { bind(ManyConstructors.class); binder().requireAtInjectOnConstructors(); } }); fail(); } catch (CreationException ce) { assertEquals(1, ce.getErrorMessages().size()); Asserts.assertContains(ce.getMessage(), "1) Explicit @Inject annotations are required on constructors, but " + ManyConstructors.class.getName() + " has no constructors annotated with @Inject", "at " + RequireAtInjectOnConstructorsTest.class.getName() + "$", "configure"); } } public void testRequireAtInjectStillAllowsToConstructorBindings() { Injector injector = Guice.createInjector(new AbstractModule() { @Override protected void configure() { try { bind(ManyConstructors.class) .toConstructor(ManyConstructors.class.getDeclaredConstructor()); } catch (Exception e) { throw new RuntimeException(e); } binder().requireAtInjectOnConstructors(); } }); injector.getInstance(ManyConstructors.class); } private static interface Interface {} private static class NoCxtors implements Interface {} private static class AnotherNoCxtors {} private static class ManyConstructors { @SuppressWarnings("unused") ManyConstructors() {} @SuppressWarnings("unused") ManyConstructors(String a) {} @SuppressWarnings("unused") ManyConstructors(int a) {} } } Other Java examples (source code examples)Here is a short list of links related to this Java RequireAtInjectOnConstructorsTest.java source code file: |
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