com.google.gwt.junit.ParallelCompileStrategy Maven / Gradle / Ivy
/*
* Copyright 2009 Google Inc.
*
* 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.gwt.junit;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.dev.cfg.ModuleDef;
import com.google.gwt.junit.JUnitShell.Strategy;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.gwt.junit.client.GWTTestCase.TestModuleInfo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
/**
* Strategy that compiles modules as tests run. Optimizes total test time.
*/
class ParallelCompileStrategy extends PreCompileStrategy {
/**
* The {@link BatchingStrategy} used to compile, which is set on the first
* compilation and is the same across all compilations.
*/
private BatchingStrategy batchingStrategy;
/**
* The list of all synthetic module names to be compiled.
*/
private List modulesToCompile = new ArrayList();
/**
* The {@link TreeLogger} used to compile, which is set on the first
* compilation and is the same across all compilations.
*/
private TreeLogger treeLogger;
public ParallelCompileStrategy(JUnitShell junitShell) {
super(junitShell);
}
@Override
public void maybeCompileAhead() throws UnableToCompleteException {
if (modulesToCompile.size() > 0) {
String nextModule = modulesToCompile.remove(0);
TestModuleInfo moduleInfo = GWTTestCase.getTestsForModule(nextModule);
String syntheticModuleName = moduleInfo.getSyntheticModuleName();
maybeCompileModuleImpl(moduleInfo.getModuleName(), syntheticModuleName,
moduleInfo.getStrategy(), batchingStrategy, treeLogger);
}
}
@Override
public ModuleDef maybeCompileModule(String moduleName,
String syntheticModuleName, Strategy strategy,
BatchingStrategy batchingStrategy, TreeLogger treeLogger)
throws UnableToCompleteException {
// Initialize the map of modules.
if (preCompiledModuleDefs == null) {
this.batchingStrategy = batchingStrategy;
this.treeLogger = treeLogger;
preCompiledModuleDefs = new HashMap();
String[] allModuleNames = GWTTestCase.getAllTestModuleNames();
for (String curModuleName : allModuleNames) {
modulesToCompile.add(curModuleName);
}
}
// Compile the requested module if needed.
ModuleDef moduleDef = preCompiledModuleDefs.get(syntheticModuleName);
if (moduleDef == null) {
moduleDef = maybeCompileModuleImpl(moduleName, syntheticModuleName,
strategy, batchingStrategy, treeLogger);
}
return moduleDef;
}
@Override
protected ModuleDef maybeCompileModuleImpl(String moduleName,
String syntheticModuleName, Strategy strategy,
BatchingStrategy batchingStrategy, TreeLogger treeLogger)
throws UnableToCompleteException {
modulesToCompile.remove(syntheticModuleName);
ModuleDef moduleDef = super.maybeCompileModuleImpl(moduleName,
syntheticModuleName, strategy, batchingStrategy, treeLogger);
preCompiledModuleDefs.put(syntheticModuleName, moduleDef);
return moduleDef;
}
}