src/test/java/com/google/devtools/build/lib/testutil/TestMode.java

// Copyright 2015 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.testutil;

import com.google.devtools.build.lib.events.EventHandler;
import com.google.devtools.build.lib.rules.SkylarkModules;
import com.google.devtools.build.lib.syntax.Environment;
import com.google.devtools.build.lib.syntax.EvaluationContext;

/**
 * Describes a particular testing mode by determining how the
 * appropriate {@code EvaluationContext} has to be created
 */
public abstract class TestMode {
  public static final TestMode BUILD = new TestMode() {
    @Override
    public EvaluationContext createContext(EventHandler eventHandler, Environment environment)
        throws Exception {
      return EvaluationContext.newBuildContext(eventHandler, environment);
    }
  };

  public static final TestMode SKYLARK = new TestMode() {
    @Override
    public EvaluationContext createContext(EventHandler eventHandler, Environment environment)
        throws Exception {
      return SkylarkModules.newEvaluationContext(eventHandler);
    }
  };

  public abstract EvaluationContext createContext(
      EventHandler eventHandler, Environment environment) throws Exception;
}