Test: Adding test cases for NfcF

/*

 * Copyright (C) 2010 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 android.nfc.tech;

import static android.nfc.tech.NfcF.EXTRA_PMM;

import static android.nfc.tech.NfcF.EXTRA_SC;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.assertNull;

import static org.junit.Assert.assertThrows;

import static org.junit.Assert.fail;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.nfc.ErrorCodes;

import android.nfc.INfcTag;

import android.nfc.Tag;

import android.nfc.TransceiveResult;

import android.os.Bundle;

import android.os.RemoteException;

import org.junit.Before;

import org.junit.Test;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import java.io.IOException;

public class NfcFTest {

    private final byte[] mSampleSystemCode = new byte[] {1, 2, 3};

    private final byte[] mSampleManufacturer = new byte[] {3, 2, 1};

    @Mock

    private Tag mMockTag;

    @Mock

    private INfcTag mMockTagService;

    @Mock

    private Bundle mMockBundle;

    private NfcF mNfcF;

    @Before

    public void setUp() throws RemoteException {

        MockitoAnnotations.initMocks(this);

        when(mMockBundle.getByteArray(EXTRA_SC)).thenReturn(mSampleSystemCode);

        when(mMockBundle.getByteArray(EXTRA_PMM)).thenReturn(mSampleManufacturer);

        when(mMockTag.getTechExtras(TagTechnology.NFC_F)).thenReturn(mMockBundle);

        mNfcF = new NfcF(mMockTag);

    }

    @Test

    public void testGetSystemCode() {

        assertNotNull(mNfcF.getSystemCode());

    }

    @Test

    public void testGetManufacturer() {

        assertNotNull(mNfcF.getManufacturer());

    }

    @Test

    public void testGetNfcFInstanceWithTech() {

        Tag tag = mock(Tag.class);

        when(tag.getTechExtras(TagTechnology.NFC_F)).thenReturn(mMockBundle);

        when(tag.hasTech(TagTechnology.NFC_F)).thenReturn(true);

        assertNotNull(NfcF.get(tag));

        verify(tag).getTechExtras(TagTechnology.NFC_F);

        verify(tag).hasTech(TagTechnology.NFC_F);

    }

    @Test

    public void testGetNfcFInstanceWithoutTech() {

        Tag tag = mock(Tag.class);

        when(tag.hasTech(TagTechnology.NFC_F)).thenReturn(false);

        assertNull(NfcF.get(tag));

        verify(tag).hasTech(TagTechnology.NFC_F);

        verify(tag, never()).getTechExtras(TagTechnology.NFC_F);

    }

    @Test

    public void testTransceive() throws IOException, RemoteException {

        byte[] sampleData = new byte[]{1, 2, 3, 4, 5};

        TransceiveResult mockTransceiveResult = mock(TransceiveResult.class);

        when(mMockTag.getConnectedTechnology()).thenReturn(TagTechnology.NFC_F);

        when(mMockTag.getTagService()).thenReturn(mMockTagService);

        when(mMockTag.getServiceHandle()).thenReturn(1);

        when(mMockTagService.transceive(1, sampleData, true))

                .thenReturn(mockTransceiveResult);

        when(mockTransceiveResult.getResponseOrThrow()).thenReturn(sampleData);

        mNfcF.transceive(sampleData);

        verify(mMockTag).getTagService();

        verify(mMockTag).getServiceHandle();

    }

    @Test

    public void testGetMaxTransceiveLength() throws RemoteException {

        when(mMockTag.getTagService()).thenReturn(mMockTagService);

        when(mMockTagService.getMaxTransceiveLength(TagTechnology.NFC_F)).thenReturn(1);

        mNfcF.getMaxTransceiveLength();

        verify(mMockTag).getTagService();

    }

    @Test

    public void testGetTimeout() {

        when(mMockTag.getTagService()).thenReturn(mMockTagService);

        try {

            when(mMockTagService.getTimeout(TagTechnology.NFC_F)).thenReturn(2000);

            assertEquals(2000, mNfcF.getTimeout());

            verify(mMockTag).getTagService();

            verify(mMockTagService).getTimeout(TagTechnology.NFC_F);

        } catch (Exception e) {

            fail("Unexpected exception during valid getTimeout: " + e.getMessage());

        }

    }

    @Test

    public void testGetTimeoutRemoteException() {

        when(mMockTag.getTagService()).thenReturn(mMockTagService);

        try {

            when(mMockTagService.getTimeout(TagTechnology.NFC_F)).thenThrow(new RemoteException());

            assertEquals(0, mNfcF.getTimeout());

        } catch (Exception e) {

            fail("Unexpected exception during RemoteException in getTimeout: " + e.getMessage());

        }

    }

    @Test

    public void testSetTimeout() {

        when(mMockTag.getTagService()).thenReturn(mMockTagService);

        try {

            when(mMockTagService.setTimeout(TagTechnology.NFC_F, 1000)).thenReturn(

                    ErrorCodes.SUCCESS);

            mNfcF.setTimeout(1000);

            verify(mMockTag).getTagService();

            verify(mMockTagService).setTimeout(TagTechnology.NFC_F, 1000);

        } catch (Exception e) {

            fail("Unexpected exception during valid setTimeout: " + e.getMessage());

        }

    }

    @Test

    public void testSetTimeoutInvalidTimeout() {

        when(mMockTag.getTagService()).thenReturn(mMockTagService);

        try {

            when(mMockTagService.setTimeout(TagTechnology.NFC_F, -1)).thenReturn(

                    ErrorCodes.ERROR_TIMEOUT);

            assertThrows(IllegalArgumentException.class, () -> mNfcF.setTimeout(-1));

        } catch (Exception e) {

            fail("Unexpected exception during invalid setTimeout: " + e.getMessage());

        }

    }

    @Test

    public void testSetTimeoutRemoteException() {

        when(mMockTag.getTagService()).thenReturn(mMockTagService);

        try {

            when(mMockTagService.setTimeout(TagTechnology.NFC_F, 1000)).thenThrow(

                    new RemoteException());

            mNfcF.setTimeout(1000);

            verify(mMockTag).getTagService();

            verify(mMockTagService).setTimeout(TagTechnology.NFC_F, 1000);

        } catch (Exception e) {

            fail("Unexpected exception during RemoteException in setTimeout: " + e.getMessage());

        }

    }

}