Merge "Refactor Build number preference control into a controller."

tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java

@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2016 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.deviceinfo;
+
+import android.app.Activity;
+import android.app.Fragment;
+import android.content.Context;
+import android.os.Build;
+import android.os.UserManager;
+import android.provider.Settings;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.DevelopmentSettings;
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowApplication;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Answers.RETURNS_DEEP_STUBS;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class BuildNumberPreferenceControllerTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Fragment mFragment;
+    @Mock(answer = RETURNS_DEEP_STUBS)
+    private PreferenceScreen mScreen;
+    @Mock
+    private UserManager mUserManager;
+
+    private Preference mPreference;
+    private BuildNumberPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        mController = new BuildNumberPreferenceController(mContext, mActivity, mFragment);
+
+        mPreference = new Preference(ShadowApplication.getInstance().getApplicationContext());
+        mPreference.setKey(mController.getPreferenceKey());
+    }
+
+    @Test
+    public void displayPref_shouldAlwaysDisplay() {
+        mController.displayPreference(mScreen);
+
+        verify(mScreen.findPreference(mController.getPreferenceKey())).setSummary(Build.DISPLAY);
+        verify(mScreen, never()).removePreference(any(Preference.class));
+    }
+
+    @Test
+    public void handlePrefTreeClick_onlyHandleBuildNumberPref() {
+        assertThat(mController.handlePreferenceTreeClick(mock(Preference.class))).isFalse();
+    }
+
+    @Test
+    public void handlePrefTreeClick_notAdminUser_doNothing() {
+        when(mUserManager.isAdminUser()).thenReturn(false);
+
+        assertThat(mController.handlePreferenceTreeClick(mPreference)).isFalse();
+    }
+
+    @Test
+    public void handlePrefTreeClick_deviceNotProvisioned_doNothing() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        final Context context = ShadowApplication.getInstance().getApplicationContext();
+        Settings.Global.putInt(context.getContentResolver(),
+                Settings.Global.DEVICE_PROVISIONED, 0);
+
+        mController = new BuildNumberPreferenceController(context, mActivity, mFragment);
+
+        assertThat(mController.handlePreferenceTreeClick(mPreference)).isFalse();
+    }
+
+    @Test
+    public void handlePrefTreeClick_userHasRestrction_doNothing() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        final Context context = ShadowApplication.getInstance().getApplicationContext();
+        Settings.Global.putInt(context.getContentResolver(),
+                Settings.Global.DEVICE_PROVISIONED, 1);
+        when(mUserManager.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES))
+                .thenReturn(true);
+
+        mController = new BuildNumberPreferenceController(context, mActivity, mFragment);
+
+        assertThat(mController.handlePreferenceTreeClick(mPreference)).isFalse();
+    }
+
+    @Test
+    public void onActivityResult_notConfirmPasswordRequest_doNothing() {
+        final boolean activityResultHandled = mController.onActivityResult(
+                BuildNumberPreferenceController.REQUEST_CONFIRM_PASSWORD_FOR_DEV_PREF + 1,
+                Activity.RESULT_OK,
+                null);
+
+        assertThat(activityResultHandled).isFalse();
+        verify(mContext, never())
+                .getSharedPreferences(DevelopmentSettings.PREF_FILE, Context.MODE_PRIVATE);
+    }
+
+    @Test
+    public void onActivityResult_confirmPasswordRequestFailed_doNotEnableDevPref() {
+        final boolean activityResultHandled = mController.onActivityResult(
+                BuildNumberPreferenceController.REQUEST_CONFIRM_PASSWORD_FOR_DEV_PREF,
+                Activity.RESULT_CANCELED,
+                null);
+
+        assertThat(activityResultHandled).isTrue();
+        verify(mContext, never())
+                .getSharedPreferences(DevelopmentSettings.PREF_FILE, Context.MODE_PRIVATE);
+    }
+
+    @Test
+    public void onActivityResult_confirmPasswordRequestCompleted_enableDevPref() {
+        final Context context = ShadowApplication.getInstance().getApplicationContext();
+
+        mController = new BuildNumberPreferenceController(context, mActivity, mFragment);
+
+        final boolean activityResultHandled = mController.onActivityResult(
+                BuildNumberPreferenceController.REQUEST_CONFIRM_PASSWORD_FOR_DEV_PREF,
+                Activity.RESULT_OK,
+                null);
+
+        assertThat(activityResultHandled).isTrue();
+        assertThat(context.getSharedPreferences(DevelopmentSettings.PREF_FILE,
+                Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW, false))
+                .isTrue();
+    }
+
+}