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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.android.emergency.preferences;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.nullable;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
import android.content.Context;
import android.content.SharedPreferences;
import android.support.v7.preference.PreferenceGroup;
import android.support.v7.preference.PreferenceManager;
import android.support.v7.preference.PreferenceScreen;
import android.text.TextUtils;
import com.android.emergency.PreferenceKeys;
import com.android.emergency.R;
import com.android.emergency.TestConfig;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;
/** Unit tests for {@link EmergencyListPreference}. */
@RunWith(RobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public final class EmergencyListPreferenceTest {
@Mock private PreferenceManager mPreferenceManager;
@Mock private SharedPreferences mSharedPreferences;
private EmergencyListPreference mPreference;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
when(mPreferenceManager.getSharedPreferences()).thenReturn(mSharedPreferences);
Context context = RuntimeEnvironment.application;
mPreference = spy(
new EmergencyListPreference(RuntimeEnvironment.application, null /* attrs */));
PreferenceGroup prefRoot = spy(new PreferenceScreen(context, null /* attrs */));
when(prefRoot.getPreferenceManager()).thenReturn(mPreferenceManager);
prefRoot.addPreference(mPreference);
}
@Test
public void testReloadFromPreference() {
CharSequence[] organDonorValues =
RuntimeEnvironment.application.getResources().getStringArray(
R.array.organ_donor_entries);
when(mSharedPreferences.getString(
eq(PreferenceKeys.KEY_ORGAN_DONOR), nullable(String.class)))
.thenReturn((String) organDonorValues[0]);
mPreference.setKey(PreferenceKeys.KEY_ORGAN_DONOR);
mPreference.setEntryValues(organDonorValues);
mPreference.reloadFromPreference();
assertThat(mPreference.getValue()).isEqualTo(mPreference.getEntryValues()[0]);
assertThat(mPreference.isNotSet()).isFalse();
}
@Test
public void testSetValue() {
CharSequence[] organDonorEntries =
RuntimeEnvironment.application.getResources().getStringArray(
R.array.organ_donor_entries);
CharSequence[] organDonorValues =
RuntimeEnvironment.application.getResources().getStringArray(
R.array.organ_donor_values);
mPreference.setKey(PreferenceKeys.KEY_ORGAN_DONOR);
mPreference.setEntries(organDonorEntries);
mPreference.setEntryValues(organDonorValues);
when(mSharedPreferences.getString(
eq(PreferenceKeys.KEY_ORGAN_DONOR), nullable(String.class)))
.thenAnswer(new CyclingStringArrayAnswer(organDonorValues));
for (int i = 0; i < mPreference.getEntryValues().length; i++) {
mPreference.setValue((String) mPreference.getEntryValues()[i]);
assertThat(mPreference.getValue()).isEqualTo(mPreference.getEntryValues()[i]);
if (!TextUtils.isEmpty(mPreference.getEntryValues()[i])) {
assertThat(mPreference.getSummary()).isEqualTo(mPreference.getEntries()[i]);
} else {
assertThat(mPreference.getSummary()).isEqualTo(
RuntimeEnvironment.application.getResources().getString(
R.string.unknown_organ_donor));
}
}
}
/** An Answer that cycles through a list of string values in its answer. */
private static class CyclingStringArrayAnswer implements Answer<String> {
private CharSequence[] mValues;
private int mIndex;
public CyclingStringArrayAnswer(CharSequence[] values) {
mValues = values;
mIndex = 0;
}
@Override
public String answer(InvocationOnMock invocation) {
String value = (String) mValues[mIndex % mValues.length];
mIndex++;
return value;
}
}
}
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