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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.testing;
import static com.google.common.truth.Truth.assertThat;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.google.common.collect.ImmutableSet;
import dagger.hilt.EntryPoint;
import dagger.hilt.InstallIn;
import dagger.hilt.components.SingletonComponent;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Provider;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.annotation.Config;
@HiltAndroidTest
@RunWith(AndroidJUnit4.class)
@Config(application = HiltTestApplication.class)
public final class BindElementsIntoSetTest {
private static final String SET_STRING_1 = "SetString1";
private static final String SET_STRING_2 = "SetString2";
private static final String SET_STRING_3 = "SetString3";
@BindElementsIntoSet Set<String> bindElementsSet1 = ImmutableSet.of(SET_STRING_1);
@BindElementsIntoSet Set<String> bindElementsSet2 = ImmutableSet.of(SET_STRING_2);
@EntryPoint
@InstallIn(SingletonComponent.class)
public interface BindElementsIntoSetEntryPoint {
Set<String> getStringSet();
}
@Rule public final HiltAndroidRule rule = new HiltAndroidRule(this);
@Inject Set<String> stringSet;
@Inject Provider<Set<String>> providedStringSet;
@Test
public void testMutated() throws Exception {
rule.inject();
// basic check that initial/default values are properly injected
assertThat(providedStringSet.get()).containsExactly(SET_STRING_1, SET_STRING_2);
// Test empty sets (something that cannot be done with @BindValueIntoSet)
bindElementsSet1 = ImmutableSet.of();
bindElementsSet2 = ImmutableSet.of();
assertThat(providedStringSet.get()).isEmpty();
// Test multiple elements in set.
bindElementsSet1 = ImmutableSet.of(SET_STRING_1, SET_STRING_2, SET_STRING_3);
assertThat(providedStringSet.get()).containsExactly(SET_STRING_1, SET_STRING_2, SET_STRING_3);
}
}
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