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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.testutil;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.analysis.skylark.SkylarkModules;
import com.google.devtools.build.lib.packages.StarlarkSemanticsOptions;
import com.google.devtools.build.lib.syntax.Module;
import com.google.devtools.build.lib.syntax.Mutability;
import com.google.devtools.build.lib.syntax.StarlarkSemantics;
import com.google.devtools.build.lib.syntax.StarlarkThread;
import com.google.devtools.common.options.OptionsParser;
import java.util.Map;
/**
* Describes a particular testing mode by determining how the appropriate {@code StarlarkThread} has
* to be created
*/
public abstract class TestMode {
private static StarlarkSemantics parseSkylarkSemantics(String... skylarkOptions)
throws Exception {
OptionsParser parser =
OptionsParser.builder().optionsClasses(StarlarkSemanticsOptions.class).build();
parser.parse(skylarkOptions);
return parser.getOptions(StarlarkSemanticsOptions.class).toSkylarkSemantics();
}
public static final TestMode BUILD =
new TestMode() {
@Override
public StarlarkThread createStarlarkThread(
StarlarkThread.PrintHandler printHandler,
Map<String, Object> builtins,
String... skylarkOptions)
throws Exception {
StarlarkThread thread =
StarlarkThread.builder(Mutability.create("build test"))
.setGlobals(createModule(builtins))
.setSemantics(TestMode.parseSkylarkSemantics(skylarkOptions))
.build();
thread.setPrintHandler(printHandler);
return thread;
}
};
public static final TestMode SKYLARK =
new TestMode() {
@Override
public StarlarkThread createStarlarkThread(
StarlarkThread.PrintHandler printHandler,
Map<String, Object> builtins,
String... skylarkOptions)
throws Exception {
StarlarkThread thread =
StarlarkThread.builder(Mutability.create("skylark test"))
.setGlobals(createModule(builtins))
.setSemantics(TestMode.parseSkylarkSemantics(skylarkOptions))
.build();
thread.setPrintHandler(printHandler);
return thread;
}
};
private static Module createModule(Map<String, Object> builtins) {
ImmutableMap.Builder<String, Object> envBuilder = ImmutableMap.builder();
SkylarkModules.addSkylarkGlobalsToBuilder(envBuilder);
envBuilder.putAll(builtins);
return Module.createForBuiltins(envBuilder.build());
}
public abstract StarlarkThread createStarlarkThread(
StarlarkThread.PrintHandler printHandler,
Map<String, Object> builtins,
String... skylarkOptions)
throws Exception;
}