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/*
* Copyright (C) 2018 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.example.android.systemupdatersample.util;
import static com.example.android.systemupdatersample.util.PackageFiles.PAYLOAD_BINARY_FILE_NAME;
import static com.example.android.systemupdatersample.util.PackageFiles
.PAYLOAD_PROPERTIES_FILE_NAME;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import com.example.android.systemupdatersample.PayloadSpec;
import com.google.common.base.Charsets;
import com.google.common.io.Files;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.zip.CRC32;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* Tests if PayloadSpecs parses update package zip file correctly.
*/
@RunWith(AndroidJUnit4.class)
@SmallTest
public class PayloadSpecsTest {
private static final String PROPERTIES_CONTENTS = "k1=val1\nkey2=val2";
private static final String PAYLOAD_CONTENTS = "hello\nworld";
private static final int PAYLOAD_SIZE = PAYLOAD_CONTENTS.length();
private File mTestDir;
private Context mTargetContext;
@Rule
public final ExpectedException thrown = ExpectedException.none();
@Before
public void setUp() {
mTargetContext = InstrumentationRegistry.getTargetContext();
mTestDir = mTargetContext.getFilesDir();
}
@Test
public void forNonStreaming_works() throws Exception {
File packageFile = createMockZipFile();
PayloadSpec spec = PayloadSpecs.forNonStreaming(packageFile);
assertEquals("correct url", "file://" + packageFile.getAbsolutePath(), spec.getUrl());
assertEquals("correct payload offset",
30 + PAYLOAD_BINARY_FILE_NAME.length(), spec.getOffset());
assertEquals("correct payload size", PAYLOAD_SIZE, spec.getSize());
assertArrayEquals("correct properties",
new String[]{"k1=val1", "key2=val2"}, spec.getProperties().toArray(new String[0]));
}
@Test
public void forNonStreaming_IOException() throws Exception {
thrown.expect(IOException.class);
PayloadSpecs.forNonStreaming(new File("/fake/news.zip"));
}
@Test
public void forStreaming_works() throws Exception {
String url = "http://a.com/b.zip";
long offset = 45;
long size = 200;
File propertiesFile = createMockPropertiesFile();
PayloadSpec spec = PayloadSpecs.forStreaming(url, offset, size, propertiesFile);
assertEquals("same url", url, spec.getUrl());
assertEquals("same offset", offset, spec.getOffset());
assertEquals("same size", size, spec.getSize());
assertArrayEquals("correct properties",
new String[]{"k1=val1", "key2=val2"}, spec.getProperties().toArray(new String[0]));
}
/**
* Creates package zip file that contains payload.bin and payload_properties.txt
*/
private File createMockZipFile() throws IOException {
File testFile = new File(mTestDir, "test.zip");
try (ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(testFile))) {
// Add payload.bin entry.
ZipEntry entry = new ZipEntry(PAYLOAD_BINARY_FILE_NAME);
entry.setMethod(ZipEntry.STORED);
entry.setCompressedSize(PAYLOAD_SIZE);
entry.setSize(PAYLOAD_SIZE);
CRC32 crc = new CRC32();
crc.update(PAYLOAD_CONTENTS.getBytes(StandardCharsets.UTF_8));
entry.setCrc(crc.getValue());
zos.putNextEntry(entry);
zos.write(PAYLOAD_CONTENTS.getBytes(StandardCharsets.UTF_8));
zos.closeEntry();
// Add payload properties entry.
ZipEntry propertiesEntry = new ZipEntry(PAYLOAD_PROPERTIES_FILE_NAME);
zos.putNextEntry(propertiesEntry);
zos.write(PROPERTIES_CONTENTS.getBytes(StandardCharsets.UTF_8));
zos.closeEntry();
}
return testFile;
}
private File createMockPropertiesFile() throws IOException {
File propertiesFile = new File(mTestDir, PackageFiles.PAYLOAD_PROPERTIES_FILE_NAME);
Files.asCharSink(propertiesFile, Charsets.UTF_8).write(PROPERTIES_CONTENTS);
return propertiesFile;
}
}
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