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// Copyright 2014 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.devtools.build.lib.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import com.google.common.collect.Maps;
import com.google.devtools.build.lib.shell.Command;
import com.google.devtools.build.lib.shell.CommandException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.io.File;
import java.util.Map;
@RunWith(JUnit4.class)
public class CommandUtilsTest {
@Test
public void longCommand() throws Exception {
String[] args = new String[40];
args[0] = "this_command_will_not_be_found";
for (int i = 1; i < args.length; i++) {
args[i] = "arg" + i;
}
Map<String, String> env = Maps.newTreeMap();
env.put("PATH", "/usr/bin:/bin:/sbin");
env.put("FOO", "foo");
File directory = new File("/tmp");
try {
new Command(args, env, directory).execute();
fail();
} catch (CommandException exception) {
String message = CommandUtils.describeCommandError(false, exception.getCommand());
String verboseMessage = CommandUtils.describeCommandError(true, exception.getCommand());
assertEquals(
"error executing command this_command_will_not_be_found arg1 "
+ "arg2 arg3 arg4 arg5 arg6 arg7 arg8 arg9 arg10 "
+ "arg11 arg12 arg13 arg14 arg15 arg16 arg17 arg18 "
+ "arg19 arg20 arg21 arg22 arg23 arg24 arg25 arg26 "
+ "arg27 arg28 arg29 arg30 "
+ "... (remaining 9 argument(s) skipped)",
message);
assertEquals(
"error executing command \n"
+ " (cd /tmp && \\\n"
+ " exec env - \\\n"
+ " FOO=foo \\\n"
+ " PATH=/usr/bin:/bin:/sbin \\\n"
+ " this_command_will_not_be_found arg1 "
+ "arg2 arg3 arg4 arg5 arg6 arg7 arg8 arg9 arg10 "
+ "arg11 arg12 arg13 arg14 arg15 arg16 arg17 arg18 "
+ "arg19 arg20 arg21 arg22 arg23 arg24 arg25 arg26 "
+ "arg27 arg28 arg29 arg30 arg31 arg32 arg33 arg34 "
+ "arg35 arg36 arg37 arg38 arg39)",
verboseMessage);
}
}
@Test
public void failingCommand() throws Exception {
String[] args = new String[3];
args[0] = "/bin/sh";
args[1] = "-c";
args[2] = "echo Some errors 1>&2; echo Some output; exit 42";
Map<String, String> env = Maps.newTreeMap();
env.put("FOO", "foo");
env.put("PATH", "/usr/bin:/bin:/sbin");
try {
new Command(args, env, null).execute();
fail();
} catch (CommandException exception) {
String message = CommandUtils.describeCommandFailure(false, exception);
String verboseMessage = CommandUtils.describeCommandFailure(true, exception);
assertEquals(
"sh failed: error executing command " +
"/bin/sh -c 'echo Some errors 1>&2; echo Some output; exit 42': " +
"Process exited with status 42\n" +
"Some output\n" +
"Some errors\n",
message);
assertEquals(
"sh failed: error executing command \n" +
" (exec env - \\\n" +
" FOO=foo \\\n" +
" PATH=/usr/bin:/bin:/sbin \\\n" +
" /bin/sh -c 'echo Some errors 1>&2; echo Some output; exit 42'): " +
"Process exited with status 42\n" +
"Some output\n" +
"Some errors\n",
verboseMessage);
}
}
}
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