com.google.android.apps.authenticator.timesync.NetworkTimeProviderTest.java Source code

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Here is the source code for com.google.android.apps.authenticator.timesync.NetworkTimeProviderTest.java

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/*
 * Copyright 2012 Google Inc. All Rights Reserved.
 *
 * 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.google.android.apps.authenticator.timesync;

import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.MockitoAnnotations.initMocks;

import android.test.MoreAsserts;

import junit.framework.TestCase;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.message.BasicHeader;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.Mockito;

import java.io.IOException;
import java.util.Arrays;

/**
 * Unit tests for {@link NetworkTimeProvider}.
 *
 * @author klyubin@google.com (Alex Klyubin)
 */
public class NetworkTimeProviderTest extends TestCase {

    @Mock
    private HttpClient mMockHttpClient;
    private NetworkTimeProvider mProvider;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        initMocks(this);
        mProvider = new NetworkTimeProvider(mMockHttpClient);
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
    }

    public void testRequest() throws Exception {
        withHttpRequestThrowing(new IOException("arbitrary"));
        try {
            mProvider.getNetworkTime();
        } catch (Exception expected) {
        }

        ArgumentCaptor<HttpUriRequest> requestCaptor = ArgumentCaptor.forClass(HttpUriRequest.class);
        verify(mMockHttpClient).execute(requestCaptor.capture());

        HttpUriRequest request = requestCaptor.getValue();
        assertEquals("HEAD", request.getMethod());
        assertEquals("https://www.google.com", request.getURI().toString());
        MoreAsserts.assertEmpty(Arrays.asList(request.getAllHeaders()));
    }

    public void testResponseWithValidDate() throws Exception {
        withHttpRequestReturningDate("Tue, 05 Jun 2012 22:54:01 GMT");
        assertEquals(1338936841000L, mProvider.getNetworkTime());
    }

    public void testResponseWithMissingDate() throws Exception {
        withHttpRequestReturningDate(null);
        try {
            mProvider.getNetworkTime();
            fail();
        } catch (IOException expected) {
        }
    }

    public void testResponseWithMalformedDate() throws Exception {
        withHttpRequestReturningDate("Tue, 05 Jun 2012 22:54:01 Unknown");
        try {
            mProvider.getNetworkTime();
            fail();
        } catch (IOException expected) {
        }
    }

    public void testRequestThrowsExceptions() throws Exception {
        withHttpRequestThrowing(new IOException(""));
        try {
            mProvider.getNetworkTime();
            fail();
        } catch (IOException expected) {
        }

        withHttpRequestThrowing(new ClientProtocolException());
        try {
            mProvider.getNetworkTime();
            fail();
        } catch (IOException expected) {
        }
    }

    private void withHttpRequestThrowing(Exception exception) throws IOException {
        doThrow(exception).when(mMockHttpClient).execute(Mockito.<HttpUriRequest>anyObject());
    }

    private void withHttpRequestReturningDate(String dateHeaderValue) throws IOException {
        HttpResponse mockResponse = mock(HttpResponse.class);
        if (dateHeaderValue != null) {
            doReturn(new BasicHeader("Date", dateHeaderValue)).when(mockResponse).getLastHeader("Date");
        }

        doReturn(mockResponse).when(mMockHttpClient).execute(Mockito.<HttpUriRequest>anyObject());
    }
}