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// Copyright 2015 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.lib.bazel.rules.android.ndkcrosstools;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.bazel.rules.android.ndkcrosstools.AndroidNdkCrosstools.NdkCrosstoolsException;
import com.google.devtools.build.lib.events.NullEventHandler;
import com.google.devtools.build.lib.util.ResourceFileLoader;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CToolchain;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CrosstoolRelease;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.DefaultCpuToolchain;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.ToolPath;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;
/**
* Tests for {@link AndroidNdkCrosstools}.
*/
@RunWith(JUnit4.class)
public class AndroidNdkCrosstoolsTest {
private static final String API_LEVEL = "21";
private static final String REPOSITORY_NAME = "testrepository";
private static final NdkRelease NDK_RELEASE = NdkRelease.create("r10e (64-bit)");
private static final CrosstoolRelease CROSSTOOL_RELEASE;
static {
try {
// Protos are immutable, so this can be shared between tests.
CROSSTOOL_RELEASE = AndroidNdkCrosstools.createCrosstoolRelease(
NullEventHandler.INSTANCE, REPOSITORY_NAME, API_LEVEL, NDK_RELEASE);
} catch (NdkCrosstoolsException e) {
throw new RuntimeException(e);
}
}
@Test
public void testPathsExist() throws Exception {
// ndkfiles.txt contains a list of every file in the ndk, created using this command at the
// root of the Android NDK for version r10e (64-bit):
// find . -xtype f | sed 's|^\./||' | sort
// and similarly for ndkdirectories, except "-xtype d" is used.
//
// It's unfortunate to have files like these, since they're large and brittle, but since the
// whole NDK can't be checked in to test against, it's about the most that can be done right
// now.
Set<String> ndkFiles = getFiles("ndkfiles.txt");
Set<String> ndkDirectories = getFiles("ndkdirectories.txt");
for (CToolchain toolchain : CROSSTOOL_RELEASE.getToolchainList()) {
// Test that all tool paths exist.
for (ToolPath toolpath : toolchain.getToolPathList()) {
String path = NdkPaths.stripRepositoryPrefix(toolpath.getPath());
assertThat(ndkFiles).contains(path);
}
// Test that all cxx_builtin_include_directory paths exist.
for (String includeDirectory : toolchain.getCxxBuiltinIncludeDirectoryList()) {
// Special case for builtin_sysroot.
if (!includeDirectory.equals("%sysroot%/usr/include")) {
String path = NdkPaths.stripRepositoryPrefix(includeDirectory);
assertThat(ndkDirectories).contains(path);
}
}
// Test that the builtin_sysroot path exists.
{
String builtinSysroot = NdkPaths.stripRepositoryPrefix(toolchain.getBuiltinSysroot());
assertThat(ndkDirectories).contains(builtinSysroot);
}
// Test that all include directories added through unfiltered_cxx_flag exist.
for (String flag : toolchain.getUnfilteredCxxFlagList()) {
if (!flag.equals("-isystem")) {
flag = NdkPaths.stripRepositoryPrefix(flag);
assertThat(ndkDirectories).contains(flag);
}
}
}
}
private static Set<String> getFiles(String fileName) {
String ndkFilesContent;
try {
ndkFilesContent = ResourceFileLoader.loadResource(
AndroidNdkCrosstoolsTest.class, fileName);
} catch (IOException e) {
throw new IllegalStateException(e);
}
Set<String> ndkFiles = new HashSet<>();
Scanner ndkFilesContentScanner = new Scanner(ndkFilesContent);
while (ndkFilesContentScanner.hasNext()) {
String path = ndkFilesContentScanner.nextLine();
// The contents of the NDK are placed at "external/%repositoryName%/ndk".
// The "external/%repositoryName%" part is removed using NdkPaths.stripRepositoryPrefix,
// but to make it easier the "ndk/" part is added here.
path = "ndk/" + path;
ndkFiles.add(path);
}
ndkFilesContentScanner.close();
return ndkFiles;
}
@Test
public void testDefaultToolchainsExist() {
Set<String> toolchainNames = new HashSet<>();
for (CToolchain toolchain : CROSSTOOL_RELEASE.getToolchainList()) {
toolchainNames.add(toolchain.getToolchainIdentifier());
}
for (DefaultCpuToolchain defaultCpuToolchain : CROSSTOOL_RELEASE.getDefaultToolchainList()) {
assertThat(toolchainNames).contains(defaultCpuToolchain.getToolchainIdentifier());
}
}
}
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