app_Settings/tests/robotests/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerTestBase.java

/*
 * 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.enterprise;

import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.support.v7.preference.Preference;

import com.android.settings.R;
import com.android.settings.applications.ApplicationFeatureProvider;
import com.android.settings.testutils.FakeFeatureFactory;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Answers;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;

import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.anyObject;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/**
 * Common base for testing subclasses of {@link AdminGrantedPermissionsPreferenceControllerBase}.
 */
public abstract class AdminGrantedPermissionsPreferenceControllerTestBase {

    protected final String mKey;
    protected final String[] mPermissions;
    protected final String mPermissionGroup;

    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    protected Context mContext;
    private FakeFeatureFactory mFeatureFactory;

    protected AdminGrantedPermissionsPreferenceControllerBase mController;

    public AdminGrantedPermissionsPreferenceControllerTestBase(String key, String[] permissions,
            String permissionGroup) {
        mKey = key;
        mPermissions = permissions;
        mPermissionGroup = permissionGroup;
    }

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        FakeFeatureFactory.setupForTest(mContext);
        mFeatureFactory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mContext);
        mController = createController(true /* async */);
    }

    private void setNumberOfPackagesWithAdminGrantedPermissions(int number, boolean async) {
        doAnswer(new Answer() {
            public Object answer(InvocationOnMock invocation) {
                ((ApplicationFeatureProvider.NumberOfAppsCallback)
                        invocation.getArguments()[2]).onNumberOfAppsResult(number);
                return null;
            }}).when(mFeatureFactory.applicationFeatureProvider)
                    .calculateNumberOfAppsWithAdminGrantedPermissions(eq(mPermissions),
                            eq(async), anyObject());
    }

    @Test
    public void testUpdateState() {
        final Preference preference = new Preference(mContext, null, 0, 0);
        preference.setVisible(true);

        setNumberOfPackagesWithAdminGrantedPermissions(0, true /* async */);
        mController.updateState(preference);
        assertThat(preference.isVisible()).isFalse();

        setNumberOfPackagesWithAdminGrantedPermissions(20, true /* async */);
        when(mContext.getResources().getQuantityString(
                R.plurals.enterprise_privacy_number_packages_actionable,20, 20))
                .thenReturn("20 packages");
        mController.updateState(preference);
        assertThat(preference.getSummary()).isEqualTo("20 packages");
        assertThat(preference.isVisible()).isTrue();
    }

    @Test
    public void testIsAvailableSync() {
        final AdminGrantedPermissionsPreferenceControllerBase controller
                = createController(false /* async */);

        setNumberOfPackagesWithAdminGrantedPermissions(0, false /* async */);
        assertThat(controller.isAvailable()).isFalse();

        setNumberOfPackagesWithAdminGrantedPermissions(20, false /* async */);
        assertThat(controller.isAvailable()).isTrue();
    }

    @Test
    public void testIsAvailableAsync() {
        setNumberOfPackagesWithAdminGrantedPermissions(0, true /* async */);
        assertThat(mController.isAvailable()).isTrue();

        setNumberOfPackagesWithAdminGrantedPermissions(20, true /* async */);
        assertThat(mController.isAvailable()).isTrue();
    }

    @Test
    public void testHandlePreferenceTreeClick() {
        final Preference preference = new Preference(mContext, null, 0, 0);
        preference.setKey(mKey);

        assertThat(mController.handlePreferenceTreeClick(preference)).isTrue();

        final ArgumentCaptor<Intent> argumentCaptor = ArgumentCaptor.forClass(Intent.class);
        verify(mContext).startActivity(argumentCaptor.capture());

        final Intent intent = argumentCaptor.getValue();

        assertThat(intent.getAction()).isEqualTo(Intent.ACTION_MANAGE_PERMISSION_APPS);
        assertThat(intent.getStringExtra(Intent.EXTRA_PERMISSION_NAME)).
                isEqualTo(mPermissionGroup);
    }

    @Test
    public void testGetPreferenceKey() {
        assertThat(mController.getPreferenceKey()).isEqualTo(mKey);
    }

    protected abstract AdminGrantedPermissionsPreferenceControllerBase createController(
            boolean async);
}