Introduce SecurityPatchLevelDialogController

- Create a controller to display data and handle user input for the
  security patch level field in FirmwareVersionDialogFragment

Bug: 36458278
Test: make RunSettingsRoboTests -j40
Change-Id: I4ca93d9b0e74a5eaf5746704d46de42f5ae27224

tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogControllerTest.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2017 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.firmwareversion;
+
+import static com.android.settings.deviceinfo.firmwareversion.SecurityPatchLevelDialogController
+        .SECURITY_PATCH_LABEL_ID;
+import static com.android.settings.deviceinfo.firmwareversion.SecurityPatchLevelDialogController
+        .SECURITY_PATCH_VALUE_ID;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.Build;
+import android.view.View;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.wrapper.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import java.util.Collections;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION_O)
+public class SecurityPatchLevelDialogControllerTest {
+
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+    @Mock
+    private FirmwareVersionDialogFragment mDialog;
+    @Mock
+    private View mView;
+
+    private Context mContext;
+    private SecurityPatchLevelDialogController mController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        when(mDialog.getContext()).thenReturn(mContext);
+    }
+
+    @Test
+    public void initialize_noPatchInfo_shouldRemoveSettingFromDialog() {
+        ReflectionHelpers.setStaticField(Build.VERSION.class, "SECURITY_PATCH", "");
+        mController = new SecurityPatchLevelDialogController(mDialog);
+
+        mController.initialize();
+
+        verify(mDialog).removeSettingFromScreen(SECURITY_PATCH_VALUE_ID);
+        verify(mDialog).removeSettingFromScreen(SECURITY_PATCH_LABEL_ID);
+    }
+
+    @Test
+    public void initialize_patchInfoAvailable_shouldRegisterListeners() {
+        ReflectionHelpers.setStaticField(Build.VERSION.class, "SECURITY_PATCH", "foobar");
+        mController = new SecurityPatchLevelDialogController(mDialog);
+
+        mController.initialize();
+
+        verify(mDialog).registerClickListener(eq(SECURITY_PATCH_LABEL_ID), any());
+        verify(mDialog).registerClickListener(eq(SECURITY_PATCH_VALUE_ID), any());
+    }
+
+    @Test
+    public void onClick_noActivityIntent_shouldDoNothing() {
+        when(mPackageManager.queryIntentActivities(any(), anyInt())).thenReturn(
+                Collections.emptyList());
+        mController = new SecurityPatchLevelDialogController(mDialog);
+        ReflectionHelpers.setField(mController, "mPackageManager", mPackageManager);
+
+        mController.onClick(mView);
+
+        verify(mContext, never()).startActivity(any());
+    }
+
+    @Test
+    public void onClick_activityIntentFound_shouldStartActivity() {
+        when(mPackageManager.queryIntentActivities(any(), anyInt())).thenReturn(
+                Collections.singletonList(null));
+        mController = new SecurityPatchLevelDialogController(mDialog);
+        ReflectionHelpers.setField(mController, "mPackageManager", mPackageManager);
+
+        mController.onClick(mView);
+
+        verify(mContext).startActivity(any());
+    }
+}