// Copyright 2016 The Bazel Authors. 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.devtools.build.android;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.FileTime;
import java.util.Collections;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link RClassGeneratorAction}.
*/
@RunWith(JUnit4.class)
public class RClassGeneratorActionTest {
private Path tempDir;
@Before
public void setUp() throws IOException {
tempDir = Files.createTempDirectory(toString());
}
/**
* TODO(jvoung): use {@link AndroidDataBuilder} instead, once that's moved to this source tree.
* This is a slimmed down version used to avoid dependencies.
*/
private static class ManifestBuilder {
private final Path root;
private ManifestBuilder(Path root) {
this.root = root;
}
public static ManifestBuilder of(Path root) {
return new ManifestBuilder(root);
}
public Path createManifest(String path, String manifestPackage, String... lines)
throws IOException {
Path manifest = root.resolve(path);
Files.createDirectories(root);
Files.write(manifest,
String.format(
"<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+ "<manifest xmlns:android=\"http://schemas.android.com/apk/res/android\" "
+ " package=\"%s\">"
+ "%s</manifest>",
manifestPackage,
Joiner.on("\n").join(lines)).getBytes(StandardCharsets.UTF_8));
return manifest;
}
}
@Test
public void withBinaryAndLibraries() throws Exception {
Path binaryManifest = ManifestBuilder.of(tempDir.resolve("binary"))
.createManifest("AndroidManifest.xml", "com.google.app",
"<application android:name=\"com.google.app\">",
"<activity android:name=\"com.google.bar.activityFoo\" />",
"</application>");
Path libFooManifest = ManifestBuilder.of(tempDir.resolve("libFoo"))
.createManifest("AndroidManifest.xml", "com.google.foo", "");
Path libBarManifest = ManifestBuilder.of(tempDir.resolve("libBar"))
.createManifest("AndroidManifest.xml", "com.google.bar", "");
Path binarySymbols = createFile("R.txt",
"int attr agility 0x7f010000",
"int attr dexterity 0x7f010001",
"int drawable heart 0x7f020000",
"int id someTextView 0x7f080000",
"int integer maxNotifications 0x7f090000",
"int string alphabet 0x7f100000",
"int string ok 0x7f100001");
Path libFooSymbols = createFile("libFoo.R.txt",
"int attr agility 0x1",
"int id someTextView 0x1",
"int string ok 0x1");
Path libBarSymbols = createFile("libBar.R.txt",
"int attr dexterity 0x1",
"int drawable heart 0x1");
Path jarPath = tempDir.resolve("app_resources.jar");
RClassGeneratorAction.main(
ImmutableList.<String>of(
"--primaryRTxt",
binarySymbols.toString(),
"--primaryManifest",
binaryManifest.toString(),
"--libraries",
libFooSymbols
+ File.pathSeparator
+ libFooManifest
+ ","
+ libBarSymbols
+ File.pathSeparator
+ libBarManifest,
"--classJarOutput",
jarPath.toString())
.toArray(new String[0]));
assertThat(Files.exists(jarPath)).isTrue();
assertThat(Files.getLastModifiedTime(jarPath)).isEqualTo(FileTime.fromMillis(0));
try (ZipFile zip = new ZipFile(jarPath.toFile())) {
List<? extends ZipEntry> zipEntries = Collections.list(zip.entries());
Iterable<String> entries = getZipFilenames(zipEntries);
assertThat(entries)
.containsExactly(
Paths.get("com/google/foo/R$attr.class").toString(),
Paths.get("com/google/foo/R$id.class").toString(),
Paths.get("com/google/foo/R$string.class").toString(),
Paths.get("com/google/foo/R.class").toString(),
Paths.get("com/google/bar/R$attr.class").toString(),
Paths.get("com/google/bar/R$drawable.class").toString(),
Paths.get("com/google/bar/R.class").toString(),
Paths.get("com/google/app/R$attr.class").toString(),
Paths.get("com/google/app/R$drawable.class").toString(),
Paths.get("com/google/app/R$id.class").toString(),
Paths.get("com/google/app/R$integer.class").toString(),
Paths.get("com/google/app/R$string.class").toString(),
Paths.get("com/google/app/R.class").toString(),
Paths.get("META-INF/MANIFEST.MF").toString());
}
}
@Test
public void withNoBinaryAndLibraries() throws Exception {
Path libFooManifest =
ManifestBuilder.of(tempDir.resolve("libFoo"))
.createManifest("AndroidManifest.xml", "com.google.foo", "");
Path libBarManifest =
ManifestBuilder.of(tempDir.resolve("libBar"))
.createManifest("AndroidManifest.xml", "com.google.bar", "");
Path libFooSymbols =
createFile(
"libFoo.R.txt", "int attr agility 0x1", "int id someTextView 0x1", "int string ok 0x1");
Path libBarSymbols =
createFile("libBar.R.txt", "int attr dexterity 0x1", "int drawable heart 0x1");
Path jarPath = tempDir.resolve("app_resources.jar");
RClassGeneratorAction.main(
ImmutableList.<String>of(
"--libraries",
libFooSymbols
+ File.pathSeparator
+ libFooManifest
+ ","
+ libBarSymbols
+ File.pathSeparator
+ libBarManifest,
"--classJarOutput",
jarPath.toString())
.toArray(new String[0]));
assertThat(Files.exists(jarPath)).isTrue();
assertThat(Files.getLastModifiedTime(jarPath)).isEqualTo(FileTime.fromMillis(0));
try (ZipFile zip = new ZipFile(jarPath.toFile())) {
List<? extends ZipEntry> zipEntries = Collections.list(zip.entries());
Iterable<String> entries = getZipFilenames(zipEntries);
assertThat(entries)
.containsExactly(
Paths.get("com/google/foo/R$attr.class").toString(),
Paths.get("com/google/foo/R$id.class").toString(),
Paths.get("com/google/foo/R$string.class").toString(),
Paths.get("com/google/foo/R.class").toString(),
Paths.get("com/google/bar/R$attr.class").toString(),
Paths.get("com/google/bar/R$drawable.class").toString(),
Paths.get("com/google/bar/R.class").toString(),
Paths.get("META-INF/MANIFEST.MF").toString());
}
}
@Test
public void withBinaryNoLibraries() throws Exception {
Path binaryManifest = ManifestBuilder.of(tempDir.resolve("binary"))
.createManifest("AndroidManifest.xml", "com.google.app",
"<application android:name=\"com.google.app\">",
"<activity android:name=\"com.google.bar.activityFoo\" />",
"</application>");
Path binarySymbols = createFile("R.txt",
"int attr agility 0x7f010000",
"int attr dexterity 0x7f010001",
"int drawable heart 0x7f020000",
"int id someTextView 0x7f080000",
"int integer maxNotifications 0x7f090000",
"int string alphabet 0x7f100000",
"int string ok 0x7f100001");
Path jarPath = tempDir.resolve("app_resources.jar");
RClassGeneratorAction.main(ImmutableList.<String>of(
"--primaryRTxt", binarySymbols.toString(),
"--primaryManifest", binaryManifest.toString(),
"--classJarOutput", jarPath.toString()
).toArray(new String[0]));
assertThat(Files.exists(jarPath)).isTrue();
assertThat(Files.getLastModifiedTime(jarPath)).isEqualTo(FileTime.fromMillis(0));
try (ZipFile zip = new ZipFile(jarPath.toFile())) {
List<? extends ZipEntry> zipEntries = Collections.list(zip.entries());
Iterable<String> entries = getZipFilenames(zipEntries);
assertThat(entries)
.containsExactly(
Paths.get("com/google/app/R$attr.class").toString(),
Paths.get("com/google/app/R$drawable.class").toString(),
Paths.get("com/google/app/R$id.class").toString(),
Paths.get("com/google/app/R$integer.class").toString(),
Paths.get("com/google/app/R$string.class").toString(),
Paths.get("com/google/app/R.class").toString(),
Paths.get("META-INF/MANIFEST.MF").toString());
}
}
@Test
public void noBinary() throws Exception {
Path jarPath = tempDir.resolve("app_resources.jar");
RClassGeneratorAction.main(ImmutableList.<String>of(
"--classJarOutput", jarPath.toString()
).toArray(new String[0]));
assertThat(Files.exists(jarPath)).isTrue();
assertThat(Files.getLastModifiedTime(jarPath)).isEqualTo(FileTime.fromMillis(0));
try (ZipFile zip = new ZipFile(jarPath.toFile())) {
List<? extends ZipEntry> zipEntries = Collections.list(zip.entries());
Iterable<String> entries = getZipFilenames(zipEntries);
assertThat(entries).containsExactly(Paths.get("META-INF/MANIFEST.MF").toString());
}
}
@Test
public void customPackageForR() throws Exception {
Path binaryManifest = ManifestBuilder.of(tempDir.resolve("binary"))
.createManifest("AndroidManifest.xml", "com.google.app",
"<application android:name=\"com.google.app\">",
"<activity android:name=\"com.google.foo.activityFoo\" />",
"</application>");
Path libFooManifest = ManifestBuilder.of(tempDir.resolve("libFoo"))
.createManifest("AndroidManifest.xml", "com.google.foo", "");
Path binarySymbols = createFile("R.txt",
"int attr agility 0x7f010000",
"int integer maxNotifications 0x7f090000",
"int string ok 0x7f100001");
Path libFooSymbols = createFile("libFoo.R.txt",
"int string ok 0x1");
Path jarPath = tempDir.resolve("app_resources.jar");
RClassGeneratorAction.main(
ImmutableList.<String>of(
"--primaryRTxt",
binarySymbols.toString(),
"--primaryManifest",
binaryManifest.toString(),
"--packageForR", "com.custom.er",
"--libraries",
libFooSymbols + File.pathSeparator + libFooManifest,
"--classJarOutput",
jarPath.toString())
.toArray(new String[0]));
assertThat(Files.exists(jarPath)).isTrue();
assertThat(Files.getLastModifiedTime(jarPath)).isEqualTo(FileTime.fromMillis(0));
try (ZipFile zip = new ZipFile(jarPath.toFile())) {
List<? extends ZipEntry> zipEntries = Collections.list(zip.entries());
Iterable<String> entries = getZipFilenames(zipEntries);
assertThat(entries)
.containsExactly(
Paths.get("com/google/foo/R$string.class").toString(),
Paths.get("com/google/foo/R.class").toString(),
Paths.get("com/custom/er/R$attr.class").toString(),
Paths.get("com/custom/er/R$integer.class").toString(),
Paths.get("com/custom/er/R$string.class").toString(),
Paths.get("com/custom/er/R.class").toString(),
Paths.get("META-INF/MANIFEST.MF").toString());
}
}
@Test
public void noSymbolsNoRClass() throws Exception {
Path binaryManifest = ManifestBuilder.of(tempDir.resolve("binary"))
.createManifest("AndroidManifest.xml", "com.google.app",
"<application android:name=\"com.google.app\">",
"<activity android:name=\"com.google.foo.activityFoo\" />",
"</application>");
Path binarySymbols = createFile("R.txt", "");
Path jarPath = tempDir.resolve("app_resources.jar");
RClassGeneratorAction.main(
ImmutableList.<String>of(
"--primaryRTxt",
binarySymbols.toString(),
"--primaryManifest",
binaryManifest.toString(),
"--classJarOutput",
jarPath.toString())
.toArray(new String[0]));
assertThat(Files.exists(jarPath)).isTrue();
assertThat(Files.getLastModifiedTime(jarPath)).isEqualTo(FileTime.fromMillis(0));
try (ZipFile zip = new ZipFile(jarPath.toFile())) {
List<? extends ZipEntry> zipEntries = Collections.list(zip.entries());
Iterable<String> entries = getZipFilenames(zipEntries);
assertThat(entries)
.containsExactly(
Paths.get("META-INF/MANIFEST.MF").toString());
}
}
private Path createFile(String name, String... contents) throws IOException {
Path path = tempDir.resolve(name);
Files.createDirectories(path.getParent());
Files.newOutputStream(path).write(
Joiner.on("\n").join(contents).getBytes(StandardCharsets.UTF_8));
return path;
}
private Iterable<String> getZipFilenames(Iterable<? extends ZipEntry> entries) {
return Iterables.transform(entries,
new Function<ZipEntry, String>() {
@Override
public String apply(ZipEntry input) {
return input.getName();
}
});
}
}