Add DataUsageListV2 for showing network stats detail.

Initial step: simply duplicate the existing DataUsageList class.

Bug: 111751694
Test: make RunSettingsRoboTests
Change-Id: I4d48405cd127cccb041ba0457638337f6918ce2e

tests/robotests/src/com/android/settings/datausage/DataUsageListV2Test.java

@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2018 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.settings.datausage;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.NetworkTemplate;
+import android.os.Bundle;
+import android.provider.Settings;
+
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.NetworkPolicyEditor;
+import com.android.settingslib.core.instrumentation.VisibilityLoggerMixin;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.util.ReflectionHelpers;
+
+import androidx.fragment.app.FragmentActivity;
+import androidx.preference.PreferenceManager;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class DataUsageListV2Test {
+
+    @Mock
+    private CellDataPreference.DataStateListener mListener;
+    @Mock
+    private TemplatePreference.NetworkServices mNetworkServices;
+    @Mock
+    private Context mContext;
+    private DataUsageListV2 mDataUsageList;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest();
+        mNetworkServices.mPolicyEditor = mock(NetworkPolicyEditor.class);
+        mDataUsageList = spy(DataUsageListV2.class);
+
+        doReturn(mContext).when(mDataUsageList).getContext();
+        ReflectionHelpers.setField(mDataUsageList, "mDataStateListener", mListener);
+        ReflectionHelpers.setField(mDataUsageList, "services", mNetworkServices);
+    }
+
+    @Test
+    public void resumePause_shouldListenUnlistenDataStateChange() {
+        ReflectionHelpers.setField(
+                mDataUsageList, "mVisibilityLoggerMixin", mock(VisibilityLoggerMixin.class));
+        ReflectionHelpers.setField(
+                mDataUsageList, "mPreferenceManager", mock(PreferenceManager.class));
+
+        mDataUsageList.onResume();
+
+        verify(mListener).setListener(true, mDataUsageList.mSubId, mContext);
+
+        mDataUsageList.onPause();
+
+        verify(mListener).setListener(false, mDataUsageList.mSubId, mContext);
+    }
+
+    @Test
+    public void processArgument_shouldGetTemplateFromArgument() {
+        final Bundle args = new Bundle();
+        args.putParcelable(DataUsageListV2.EXTRA_NETWORK_TEMPLATE, mock(NetworkTemplate.class));
+        args.putInt(DataUsageListV2.EXTRA_SUB_ID, 3);
+        mDataUsageList.setArguments(args);
+
+        mDataUsageList.processArgument();
+
+        assertThat(mDataUsageList.mTemplate).isNotNull();
+        assertThat(mDataUsageList.mSubId).isEqualTo(3);
+    }
+
+    @Test
+    public void processArgument_fromIntent_shouldGetTemplateFromIntent() {
+        final FragmentActivity activity = mock(FragmentActivity.class);
+        final Intent intent = new Intent();
+        intent.putExtra(Settings.EXTRA_NETWORK_TEMPLATE, mock(NetworkTemplate.class));
+        intent.putExtra(Settings.EXTRA_SUB_ID, 3);
+        when(activity.getIntent()).thenReturn(intent);
+        doReturn(activity).when(mDataUsageList).getActivity();
+
+        mDataUsageList.processArgument();
+
+        assertThat(mDataUsageList.mTemplate).isNotNull();
+        assertThat(mDataUsageList.mSubId).isEqualTo(3);
+    }
+}