// Copyright 2017 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.benchmark.codegenerator;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.devtools.common.options.OptionsParsingException;
import java.io.IOException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Test for {@link Main}. */
@RunWith(JUnit4.class)
public class MainTest {
@Test
public void testParseArgsEmpty() throws OptionsParsingException, IOException {
try {
Main.parseArgs(new String[]{});
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e).hasMessage("--output_dir should not be empty.");
}
}
@Test
public void testParseArgsWrongMode() throws IOException {
try {
Main.parseArgs(new String[]{"--modify=mango"});
fail("Should throw OptionsParsingException");
} catch (OptionsParsingException e) {
assertThat(e).hasMessage("While parsing option --modify=mango: 'mango' is not a boolean");
}
}
@Test
public void testParseArgsNoOutputDir() throws OptionsParsingException, IOException {
try {
Main.parseArgs(new String[]{"--modify"});
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e).hasMessage("--output_dir should not be empty.");
}
}
@Test
public void testParseArgsOutputDirNonExists() throws OptionsParsingException, IOException {
try {
Main.parseArgs(new String[]{"--modify", "--output_dir=mango"});
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e).hasMessage("--output_dir (mango) does not contain code for modification.");
}
}
@Test
public void testParseArgsNoType() throws OptionsParsingException, IOException {
try {
Main.parseArgs(new String[]{"--output_dir=mango"});
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e).hasMessage("No type of package is specified.");
}
}
@Test
public void testParseArgsCorrect() throws OptionsParsingException, IOException {
GeneratorOptions opt = Main.parseArgs(
new String[]{
"--modify=false",
"--output_dir=mango",
"--project_name=AFewFiles",
"--project_name=ParallelDeps"});
assertThat(opt.modificationMode).isFalse();
assertThat(opt.outputDir).isEqualTo("mango");
assertThat(opt.projectNames).containsExactly("AFewFiles", "ParallelDeps");
}
}