[Wi-Fi] Add WifiNetworkDetailsFragment2 unit test cases

Add new unit test file: WifiNetworkDetailsFragment2Test.java

Bug: 151696220
Test: make RunSettingsRoboTests ROBOTEST_FILTER=WifiNetworkDetailsFragment2Test
Change-Id: I41d8a6b2c645ec5ca88dc2e1f894be0ac8887555

tests/robotests/src/com/android/settings/wifi/details2/WifiNetworkDetailsFragment2Test.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2020 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.wifi.details2;
+
+import static com.android.settings.wifi.WifiSettings.WIFI_DIALOG_ID;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.settings.SettingsEnums;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class WifiNetworkDetailsFragment2Test {
+
+    private WifiNetworkDetailsFragment2 mFragment;
+
+    @Before
+    public void setUp() {
+        mFragment = new WifiNetworkDetailsFragment2();
+    }
+
+    @Test
+    public void getMetricsCategory_shouldReturnWifiNetworkDetails() {
+        assertThat(mFragment.getMetricsCategory()).isEqualTo(SettingsEnums.WIFI_NETWORK_DETAILS);
+    }
+
+    @Test
+    public void getDialogMetricsCategory_withCorrectId_shouldReturnDialogWifiApEdit() {
+        assertThat(mFragment.getDialogMetricsCategory(WIFI_DIALOG_ID)).isEqualTo(
+                SettingsEnums.DIALOG_WIFI_AP_EDIT);
+    }
+
+    @Test
+    public void getDialogMetricsCategory_withWrongId_shouldReturnZero() {
+        assertThat(mFragment.getDialogMetricsCategory(-1 /* dialogId */)).isEqualTo(0);
+    }
+
+    @Test
+    public void onCreateOptionsMenu_shouldSetCorrectIcon() {
+        final Menu menu = mock(Menu.class);
+        final MenuItem menuItem = mock(MenuItem.class);
+        doReturn(menuItem).when(menu).add(anyInt(), eq(Menu.FIRST), anyInt(), anyInt());
+
+        mFragment.onCreateOptionsMenu(menu, mock(MenuInflater.class));
+
+        verify(menuItem).setIcon(com.android.internal.R.drawable.ic_mode_edit);
+    }
+}