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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.settings.core.instrumentation;
     17 
     18 import android.os.Bundle;
     19 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     20 import com.android.settings.TestConfig;
     21 import org.junit.Test;
     22 import org.junit.runner.RunWith;
     23 import org.robolectric.annotation.Config;
     24 import org.robolectric.shadows.ShadowApplication;
     25 
     26 import static com.google.common.truth.Truth.assertThat;
     27 
     28 @RunWith(SettingsRobolectricTestRunner.class)
     29 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
     30 public class InstrumentedDialogFragmentTest {
     31 
     32     public static class TestDialogFragment extends InstrumentedDialogFragment {
     33         static final int TEST_METRIC = 1234;
     34 
     35         public MetricsFeatureProvider getMetricsFeatureProvider() {
     36             return mMetricsFeatureProvider;
     37         }
     38 
     39         @Override
     40         public void onCreate(Bundle savedInstanceState) {
     41             super.onCreate(savedInstanceState);
     42 
     43             assertThat(mMetricsFeatureProvider).isNotNull();
     44         }
     45 
     46         @Override
     47         public int getMetricsCategory() {
     48             return TEST_METRIC;
     49         }
     50     }
     51 
     52     @Test
     53     public void runThroughFragmentLifecycles_shouldHaveMetricsFeatureProviderOnAttach() {
     54         final TestDialogFragment fragment = new TestDialogFragment();
     55 
     56         // Precondition: no metrics feature
     57         assertThat(fragment.getMetricsFeatureProvider()).isNull();
     58 
     59         fragment.onAttach(ShadowApplication.getInstance().getApplicationContext());
     60 
     61         // Verify: has metrics feature
     62         assertThat(fragment.getMetricsFeatureProvider()).isNotNull();
     63     }
     64 }
     65