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// Copyright 2014 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.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import com.google.common.collect.Lists;
import com.google.devtools.build.lib.util.OptionsUtils.PathFragmentListConverter;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.common.options.Option;
import com.google.devtools.common.options.OptionPriority;
import com.google.devtools.common.options.OptionsBase;
import com.google.devtools.common.options.OptionsParser;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.util.Arrays;
import java.util.List;
/**
* Test for {@link OptionsUtils}.
*/
@RunWith(JUnit4.class)
public class OptionsUtilsTest {
public static class IntrospectionExample extends OptionsBase {
@Option(name = "alpha",
category = "one",
defaultValue = "alpha")
public String alpha;
@Option(name = "beta",
category = "one",
defaultValue = "beta")
public String beta;
@Option(name = "gamma",
category = "undocumented",
defaultValue = "gamma")
public String gamma;
@Option(name = "delta",
category = "undocumented",
defaultValue = "delta")
public String delta;
@Option(name = "echo",
category = "hidden",
defaultValue = "echo")
public String echo;
}
@Test
public void asStringOfExplicitOptions() throws Exception {
OptionsParser parser = OptionsParser.newOptionsParser(IntrospectionExample.class);
parser.parse("--alpha=no", "--gamma=no", "--echo=no");
assertEquals("--alpha=no --gamma=no", OptionsUtils.asShellEscapedString(parser));
}
@Test
public void asStringOfExplicitOptionsCorrectSortingByPriority() throws Exception {
OptionsParser parser = OptionsParser.newOptionsParser(IntrospectionExample.class);
parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--alpha=no"));
parser.parse(OptionPriority.COMPUTED_DEFAULT, null, Arrays.asList("--beta=no"));
assertEquals("--beta=no --alpha=no", OptionsUtils.asShellEscapedString(parser));
}
public static class BooleanOpts extends OptionsBase {
@Option(name = "b_one",
category = "xyz",
defaultValue = "true")
public boolean bOne;
@Option(name = "b_two",
category = "123", // Not printed in usage messages!
defaultValue = "false")
public boolean bTwo;
}
@Test
public void asStringOfExplicitOptionsWithBooleans() throws Exception {
OptionsParser parser = OptionsParser.newOptionsParser(BooleanOpts.class);
parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--b_one", "--nob_two"));
assertEquals("--b_one --nob_two", OptionsUtils.asShellEscapedString(parser));
parser = OptionsParser.newOptionsParser(BooleanOpts.class);
parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--b_one=true", "--b_two=0"));
assertTrue(parser.getOptions(BooleanOpts.class).bOne);
assertFalse(parser.getOptions(BooleanOpts.class).bTwo);
assertEquals("--b_one --nob_two", OptionsUtils.asShellEscapedString(parser));
}
@Test
public void asStringOfExplicitOptionsMultipleOptionsAreMultipleTimes() throws Exception {
OptionsParser parser = OptionsParser.newOptionsParser(IntrospectionExample.class);
parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--alpha=one"));
parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--alpha=two"));
assertEquals("--alpha=one --alpha=two", OptionsUtils.asShellEscapedString(parser));
}
private static List<PathFragment> list(PathFragment... fragments) {
return Lists.newArrayList(fragments);
}
private PathFragment fragment(String string) {
return new PathFragment(string);
}
private List<PathFragment> convert(String input) throws Exception {
return new PathFragmentListConverter().convert(input);
}
@Test
public void emptyStringYieldsEmptyList() throws Exception {
assertEquals(list(), convert(""));
}
@Test
public void lonelyDotYieldsLonelyDot() throws Exception {
assertEquals(list(fragment(".")), convert("."));
}
@Test
public void converterSkipsEmptyStrings() throws Exception {
assertEquals(list(fragment("foo"), fragment("bar")), convert("foo::bar:"));
}
@Test
public void multiplePaths() throws Exception {
assertEquals(list(fragment("foo"), fragment("/bar/baz"), fragment("."),
fragment("/tmp/bang")), convert("foo:/bar/baz:.:/tmp/bang"));
}
@Test
public void valueisUnmodifiable() throws Exception {
try {
new PathFragmentListConverter().convert("value").add(new PathFragment("other"));
fail("could modify value");
} catch (UnsupportedOperationException expected) {}
}
}
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