113 lines
2.7 KiB
Java
113 lines
2.7 KiB
Java
package org.mercury_im.messenger.learning_tests.dagger;
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import org.junit.jupiter.api.Test;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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import dagger.Module;
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import dagger.Provides;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class DaggerTest {
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@dagger.Component(modules = {SingletonModule.class})
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@Singleton
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public interface Component {
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void inject(Consumer consumer);
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}
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@Module
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public class NewInstanceModule {
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private int DEPENDENCY_INDEX = 0;
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private final String MODULE_NAME;
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public NewInstanceModule(String moduleName) {
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this.MODULE_NAME = moduleName;
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}
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@Provides
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Dependency provideDependency() {
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return new Dependency(DEPENDENCY_INDEX++, MODULE_NAME);
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}
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}
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@Module
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public class SingletonModule {
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private int DEPENDENCY_INDEX = 0;
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private final String MODULE_NAME;
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public SingletonModule(String moduleName) {
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this.MODULE_NAME = moduleName;
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}
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@Provides
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@Singleton
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Dependency provideDependency() {
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return new Dependency(DEPENDENCY_INDEX++, MODULE_NAME);
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}
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}
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public static class Dependency {
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final int index;
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final String moduleName;
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@Inject
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public Dependency(int index, String moduleName) {
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this.index = index;
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this.moduleName = moduleName;
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}
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public int getIndex() {
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return index;
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}
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public String getModuleName() {
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return moduleName;
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}
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}
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public static class Consumer {
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@Inject
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Dependency dependency;
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public Consumer() {
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}
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public Dependency getDependency() {
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return dependency;
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}
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}
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@Test
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public void test() {
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Component component0 = DaggerDaggerTest_Component.builder().singletonModule(new SingletonModule("First")).build();
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Consumer consumer0 = new Consumer();
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Consumer consumer1 = new Consumer();
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component0.inject(consumer0);
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component0.inject(consumer1);
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Component component1 = DaggerDaggerTest_Component.builder().singletonModule(new SingletonModule("Second")).build();
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Consumer consumer2 = new Consumer();
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Consumer consumer3 = new Consumer();
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component1.inject(consumer2);
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component1.inject(consumer3);
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assertEquals(0, consumer0.getDependency().getIndex());
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//assertEquals(1, consumer1.getDependency().getIndex());
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assertEquals(0, consumer2.getDependency().getIndex());
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//assertEquals(1, consumer3.getDependency().getIndex());
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}
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}
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