/*
 * 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.server.wifi;

import static org.junit.Assert.*;
import static org.mockito.Mockito.*;

import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.provider.Settings;

import com.android.internal.notification.SystemNotificationChannels;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Answers;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

/**
 * Unit tests for {@link com.android.server.wifi.WrongPasswordNotifier}.
 */
public class WrongPasswordNotifierTest {
    private static final String TEST_SSID = "Test SSID";

    @Mock Context mContext;
    @Mock Resources mResources;
    @Mock NotificationManager mNotificationManager;
    @Mock FrameworkFacade mFrameworkFacade;
    @Mock(answer = Answers.RETURNS_DEEP_STUBS) private Notification.Builder mNotificationBuilder;
    WrongPasswordNotifier mWrongPassNotifier;

    /**
     * Sets up for unit test
     */
    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        when(mContext.getSystemService(Context.NOTIFICATION_SERVICE))
                .thenReturn(mNotificationManager);
        when(mContext.getResources()).thenReturn(mResources);
        mWrongPassNotifier =
                new WrongPasswordNotifier(mContext, mFrameworkFacade);
    }

    /**
     * Verify that a wrong password notification will be generated/pushed when a wrong password
     * error is detected for the current connection.
     *
     * @throws Exception
     */
    @Test
    public void onWrongPasswordError() throws Exception {
        when(mFrameworkFacade.makeNotificationBuilder(any(),
                eq(SystemNotificationChannels.NETWORK_ALERTS))).thenReturn(mNotificationBuilder);
        mWrongPassNotifier.onWrongPasswordError(TEST_SSID);
        verify(mNotificationManager).notify(eq(WrongPasswordNotifier.NOTIFICATION_ID), any());
        ArgumentCaptor<Intent> intent = ArgumentCaptor.forClass(Intent.class);
        verify(mFrameworkFacade).getActivity(
                any(Context.class), anyInt(), intent.capture(), anyInt());
        assertEquals(Settings.ACTION_WIFI_SETTINGS, intent.getValue().getAction());
        assertEquals(TEST_SSID, intent.getValue().getStringExtra("wifi_start_connect_ssid"));
    }

    /**
     * Verify that we will attempt to dismiss the wrong password notification when starting a new
     * connection attempt with the previous connection resulting in a wrong password error.
     *
     * @throws Exception
     */
    @Test
    public void onNewConnectionAttemptWithPreviousWrongPasswordError() throws Exception {
        onWrongPasswordError();
        reset(mNotificationManager);

        mWrongPassNotifier.onNewConnectionAttempt();
        verify(mNotificationManager).cancel(any(), eq(WrongPasswordNotifier.NOTIFICATION_ID));
    }

    /**
     * Verify that we don't attempt to dismiss the wrong password notification when starting a new
     * connection attempt with the previous connection not resulting in a wrong password error.
     *
     * @throws Exception
     */
    @Test
    public void onNewConnectionAttemptWithoutPreviousWrongPasswordError() throws Exception {
        mWrongPassNotifier.onNewConnectionAttempt();
        verify(mNotificationManager, never()).cancel(any(), anyInt());
    }
}