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/*
* Copyright (C) 2020 The Dagger Authors.
*
* 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 dagger.hilt.android;
import static com.google.common.truth.Truth.assertThat;
import android.os.Build;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import dagger.Binds;
import dagger.Module;
import dagger.Provides;
import dagger.hilt.InstallIn;
import dagger.hilt.android.testing.HiltAndroidRule;
import dagger.hilt.android.testing.HiltAndroidTest;
import dagger.hilt.android.testing.HiltTestApplication;
import dagger.hilt.components.SingletonComponent;
import javax.inject.Inject;
import javax.inject.Named;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.annotation.Config;
@HiltAndroidTest
@RunWith(AndroidJUnit4.class)
// Robolectric requires Java9 to run API 29 and above, so use API 28 instead
@Config(sdk = Build.VERSION_CODES.P, application = HiltTestApplication.class)
public final class ModuleTest {
public static class Dep1 {}
public static class Dep2 {}
public static class Dep3 {}
public static class Dep4 { @Inject Dep4() {}}
public static class Dep5 { @Inject Dep5() {}}
public static class Dep6 {}
public static class Dep7 {}
@Rule public HiltAndroidRule rule = new HiltAndroidRule(this);
// Test that modules with only static methods can have private constructors.
@Module
@InstallIn(SingletonComponent.class)
static final class TestModule1 {
private TestModule1() {} // This is fine because Dagger doesn't need an instance.
@Provides
static Dep1 provide() {
return new Dep1();
}
}
// Test that modules with only static methods can have constructors with parameters.
@Module
@InstallIn(SingletonComponent.class)
static final class TestModule2 {
TestModule2(String str) {} // This is fine because Dagger doesn't need an instance.
@Provides
static Dep2 provide() {
return new Dep2();
}
}
// Test that modules with non-static methods can have constructors with parameters if no-arg
// constructor exists.
@Module
@InstallIn(SingletonComponent.class)
static final class TestModule3 {
TestModule3() {
this("");
}
TestModule3(String str) {} // This is fine because Dagger can use the other constructor
@Provides
Dep3 provide() {
return new Dep3();
}
}
// Test that modules with only abstract methods can have private constructors.
@Module
@InstallIn(SingletonComponent.class)
@SuppressWarnings("ClassCanBeStatic") // purposely testing non-static class here
abstract class TestModule4 {
private TestModule4() {} // This is fine because Dagger doesn't need an instance.
@Binds @Named("Dep4") abstract Object bind(Dep4 impl);
}
// Test that modules with only abstract methods can have constructors with parameters.
@Module
@InstallIn(SingletonComponent.class)
@SuppressWarnings("ClassCanBeStatic") // purposely testing non-static class here
abstract class TestModule5 {
TestModule5(String str) {} // This is fine because Dagger doesn't need an instance.
@Binds @Named("Dep5") abstract Object bind(Dep5 impl);
}
// Test that static modules with no methods can have private constructors.
@Module
@InstallIn(SingletonComponent.class)
static final class TestModule6 {
private TestModule6() {} // This is fine because Dagger doesn't need an instance.
}
// Test that static modules with no methods can have constructors with parameters.
@Module
@InstallIn(SingletonComponent.class)
static final class TestModule7 {
TestModule7(String str) {} // This is fine because Dagger doesn't need an instance.
}
// Test that abstract modules with no methods can have private constructors.
@Module
@InstallIn(SingletonComponent.class)
@SuppressWarnings("ClassCanBeStatic") // purposely testing non-static class here
abstract class TestModule8 {
private TestModule8() {} // This is fine because Dagger doesn't need an instance.
}
// Test that abstract modules with no methods can have constructors with parameters.
@Module
@InstallIn(SingletonComponent.class)
@SuppressWarnings("ClassCanBeStatic") // purposely testing non-static class here
abstract class TestModule9 {
TestModule9(String str) {} // This is fine because Dagger doesn't need an instance.
}
@Inject Dep1 dep1;
@Inject Dep2 dep2;
@Inject Dep5 dep3;
@Inject @Named("Dep4") Object dep4;
@Inject @Named("Dep5") Object dep5;
@Before
public void setup() {
rule.inject();
}
@Test
public void testDep1() throws Exception {
assertThat(dep1).isNotNull();
}
@Test
public void testDep2() throws Exception {
assertThat(dep2).isNotNull();
}
@Test
public void testDep3() throws Exception {
assertThat(dep3).isNotNull();
}
@Test
public void testDep4() throws Exception {
assertThat(dep4).isNotNull();
assertThat(dep4).isInstanceOf(Dep4.class);
}
@Test
public void testDep5() throws Exception {
assertThat(dep5).isNotNull();
assertThat(dep5).isInstanceOf(Dep5.class);
}
}
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