Merge "LegacyVpnPreferenceTest added for Vpn settings"

tests/unit/src/com/android/settings/vpn2/LegacyVpnPreferenceTest.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2021 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.vpn2;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.content.res.Resources.NotFoundException;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.net.VpnProfile;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** Unittest for LegacyVpnPreference */
+@RunWith(AndroidJUnit4.class)
+public class LegacyVpnPreferenceTest {
+    private static final String PROFILE_KEY = "test_key";
+    private static final String PROFILE_NAME = "test_vpn_name";
+
+    private Context mContext;
+    private LegacyVpnPreference mLegacyVpnPreference;
+    private VpnProfile mVpnProfile;
+
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mVpnProfile = new VpnProfile(PROFILE_KEY);
+        mVpnProfile.name = PROFILE_NAME;
+        try {
+            // In Junit, loading the presference at first yields a Resources.NotFoundException
+            mLegacyVpnPreference = new LegacyVpnPreference(mContext);
+        } catch (NotFoundException exception) {
+            mLegacyVpnPreference = new LegacyVpnPreference(mContext);
+        }
+
+    }
+
+    @Test
+    public void setProfile_successfullyStoresProfile() {
+        mLegacyVpnPreference.setProfile(mVpnProfile);
+        assertThat(mLegacyVpnPreference.getProfile()).isEqualTo(mVpnProfile);
+    }
+
+    @Test
+    public void setProfile_updatesPreferenceTitle() {
+        mLegacyVpnPreference.setProfile(mVpnProfile);
+        assertThat(mLegacyVpnPreference.getTitle()).isEqualTo(PROFILE_NAME);
+    }
+}