com.facebook.buck.android.AaptPackageResourcesIntegrationTest.java Source code

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Here is the source code for com.facebook.buck.android.AaptPackageResourcesIntegrationTest.java

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/*
 * Copyright 2013-present Facebook, Inc.
 *
 * 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.facebook.buck.android;

import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertThat;

import com.facebook.buck.io.ProjectFilesystem;
import com.facebook.buck.model.BuildTargetFactory;
import com.facebook.buck.model.BuildTargets;
import com.facebook.buck.rules.BuildInfo;
import com.facebook.buck.testutil.integration.ProjectWorkspace;
import com.facebook.buck.testutil.integration.TemporaryPaths;
import com.facebook.buck.testutil.integration.TestDataHelper;
import com.facebook.buck.util.sha1.Sha1HashCode;
import com.facebook.buck.zip.ZipConstants;

import org.apache.commons.compress.archivers.zip.ZipUtil;
import org.hamcrest.Matchers;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

import java.io.FileInputStream;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Date;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class AaptPackageResourcesIntegrationTest {
    @Rule
    public TemporaryPaths tmpFolder = new TemporaryPaths();

    private ProjectWorkspace workspace;
    private ProjectFilesystem filesystem;

    private static final String MAIN_BUILD_TARGET = "//apps/sample:app";
    private static final String PATH_TO_LAYOUT_XML = "res/com/sample/top/res/layout/top_layout.xml";

    @Before
    public void setUp() throws IOException {
        workspace = TestDataHelper.createProjectWorkspaceForScenario(this, "android_project", tmpFolder);
        workspace.setUp();
        filesystem = new ProjectFilesystem(workspace.getDestPath());
    }

    @Test
    public void testEditingLayoutChangesPackageHash() throws IOException {
        AssumeAndroidPlatform.assumeSdkIsAvailable();
        workspace.runBuckBuild(MAIN_BUILD_TARGET).assertSuccess();

        // This is too low-level of a test.  Ideally, we'd be able to save the rule graph generated
        // by the build and query it directly, but runBuckCommand doesn't support that, so just
        // test the files directly for now.
        Path pathRelativeToProjectRoot = BuildInfo
                .getPathToMetadataDirectory(BuildTargetFactory.newInstance("//apps/sample:app#aapt_package"),
                        new ProjectFilesystem(workspace.getDestPath()))
                .resolve(AaptPackageResources.RESOURCE_PACKAGE_HASH_KEY);
        String firstHash = workspace.getFileContents(pathRelativeToProjectRoot);

        workspace.replaceFileContents(PATH_TO_LAYOUT_XML, "white", "black");

        workspace.runBuckBuild(MAIN_BUILD_TARGET).assertSuccess();

        String secondHash = workspace.getFileContents(pathRelativeToProjectRoot);

        Sha1HashCode firstHashCode = Sha1HashCode.of(firstHash);
        Sha1HashCode secondHashCode = Sha1HashCode.of(secondHash);
        assertNotEquals(firstHashCode, secondHashCode);
    }

    @Test
    public void testIgnoredFileIsIgnoredByAapt() throws IOException {
        AssumeAndroidPlatform.assumeSdkIsAvailable();
        workspace.runBuckBuild("//apps/sample:app_deps_resource_with_ignored_file").assertSuccess();
    }

    @Test
    public void testAaptPackageIsScrubbed() throws IOException {
        AssumeAndroidPlatform.assumeSdkIsAvailable();
        workspace.runBuckBuild(MAIN_BUILD_TARGET).assertSuccess();
        Path aaptOutput = workspace.getPath(BuildTargets.getGenPath(filesystem,
                BuildTargetFactory.newInstance(MAIN_BUILD_TARGET)
                        .withFlavors(AndroidBinaryGraphEnhancer.AAPT_PACKAGE_FLAVOR),
                AaptPackageResources.RESOURCE_APK_PATH_FORMAT));
        Date dosEpoch = new Date(ZipUtil.dosToJavaTime(ZipConstants.DOS_FAKE_TIME));
        try (ZipInputStream is = new ZipInputStream(new FileInputStream(aaptOutput.toFile()))) {
            for (ZipEntry entry = is.getNextEntry(); entry != null; entry = is.getNextEntry()) {
                assertThat(entry.getName(), new Date(entry.getTime()), Matchers.equalTo(dosEpoch));
            }
        }
    }
}