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/*
* Copyright (C) 2021 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 androidx.test.core.app.ApplicationProvider.getApplicationContext;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;
import android.os.Build;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import dagger.hilt.EntryPoint;
import dagger.hilt.InstallIn;
import dagger.hilt.android.internal.testing.TestApplicationComponentManager;
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.Singleton;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.annotation.Config;
// The main purpose of this test is to check the error messages if EarlyEntryPoints is called
// without the EarlyComponent being generated (i.e. if no @EarlyEntryPoints are defined).
@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 EarlyEntryPointNoEntryPointsDefinedTest {
@EntryPoint
@InstallIn(SingletonComponent.class)
interface FooEntryPoint {
Foo foo();
}
@Singleton
public static class Foo {
@Inject
Foo() {}
}
@Rule public HiltAndroidRule rule = new HiltAndroidRule(this);
@Test
public void testEarlyComponentDoesNotExist() throws Exception {
HiltTestApplication app = (HiltTestApplication) getApplicationContext();
TestApplicationComponentManager componentManager =
(TestApplicationComponentManager) app.componentManager();
RuntimeException exception =
assertThrows(RuntimeException.class, () -> componentManager.earlySingletonComponent());
assertThat(exception)
.hasMessageThat()
.contains(
"The EarlyComponent was requested but does not exist. Check that you have "
+ "annotated your test class with @HiltAndroidTest and that the processor is "
+ "running over your test");
}
@Test
public void testEarlyEntryPointsWrongEntryPointFails() throws Exception {
IllegalStateException exception =
assertThrows(
IllegalStateException.class,
() -> EarlyEntryPoints.get(getApplicationContext(), FooEntryPoint.class));
assertThat(exception)
.hasMessageThat()
.contains(
"FooEntryPoint should be called with EntryPoints.get() rather than "
+ "EarlyEntryPoints.get()");
}
}
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