Add BluetoothMapbMessageEmailTest

/*

 * Copyright 2022 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.bluetooth.map;

import static com.google.common.truth.Truth.assertThat;

import androidx.test.filters.SmallTest;

import androidx.test.runner.AndroidJUnit4;

import com.android.bluetooth.map.BluetoothMapUtils.TYPE;

import org.junit.Test;

import org.junit.runner.RunWith;

import java.io.ByteArrayInputStream;

import java.io.InputStream;

@SmallTest

@RunWith(AndroidJUnit4.class)

public class BluetoothMapbMessageEmailTest {

    public static final String TEST_EMAIL_BODY = "test_email_body";

    @Test

    public void setAndGetEmailBody() {

        BluetoothMapbMessageEmail messageEmail = new BluetoothMapbMessageEmail();

        messageEmail.setEmailBody(TEST_EMAIL_BODY);

        assertThat(messageEmail.getEmailBody()).isEqualTo(TEST_EMAIL_BODY);

    }

    @Test

    public void encodeToByteArray_thenCreateByParsing() throws Exception {

        BluetoothMapbMessageEmail messageEmailToEncode = new BluetoothMapbMessageEmail();

        messageEmailToEncode.setType(TYPE.EMAIL);

        messageEmailToEncode.setFolder("placeholder");

        messageEmailToEncode.setStatus(true);

        messageEmailToEncode.setEmailBody(TEST_EMAIL_BODY);

        byte[] encodedMessageEmail = messageEmailToEncode.encode();

        InputStream inputStream = new ByteArrayInputStream(encodedMessageEmail);

        BluetoothMapbMessage messageParsed = BluetoothMapbMessage.parse(inputStream,

                BluetoothMapAppParams.CHARSET_UTF8);

        assertThat(messageParsed).isInstanceOf(BluetoothMapbMessageEmail.class);

        BluetoothMapbMessageEmail messageEmailParsed = (BluetoothMapbMessageEmail) messageParsed;

        assertThat(messageEmailParsed.getEmailBody()).isEqualTo(TEST_EMAIL_BODY);

    }

    @Test

    public void encodeToByteArray_withEmptyBody_thenCreateByParsing() throws Exception {

        BluetoothMapbMessageEmail messageEmailToEncode = new BluetoothMapbMessageEmail();

        messageEmailToEncode.setType(TYPE.EMAIL);

        messageEmailToEncode.setFolder("placeholder");

        messageEmailToEncode.setStatus(true);

        byte[] encodedMessageEmail = messageEmailToEncode.encode();

        InputStream inputStream = new ByteArrayInputStream(encodedMessageEmail);

        BluetoothMapbMessage messageParsed = BluetoothMapbMessage.parse(inputStream,

                BluetoothMapAppParams.CHARSET_UTF8);

        assertThat(messageParsed).isInstanceOf(BluetoothMapbMessageEmail.class);

        BluetoothMapbMessageEmail messageEmailParsed = (BluetoothMapbMessageEmail) messageParsed;

        assertThat(messageEmailParsed.getEmailBody()).isEqualTo("");

    }

}

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