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view truffle/com.oracle.truffle.sl.test/src/com/oracle/truffle/sl/test/SLTestRunner.java @ 22157:dc83cc1f94f2
Using fully qualified imports
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 16 Sep 2015 11:33:22 +0200 |
parents | cf19259edf87 |
children | 67f75f61c974 dcb70d90c11d |
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/* * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * The Universal Permissive License (UPL), Version 1.0 * * Subject to the condition set forth below, permission is hereby granted to any * person obtaining a copy of this software, associated documentation and/or * data (collectively the "Software"), free of charge and under any and all * copyright rights in the Software, and any and all patent rights owned or * freely licensable by each licensor hereunder covering either (i) the * unmodified Software as contributed to or provided by such licensor, or (ii) * the Larger Works (as defined below), to deal in both * * (a) the Software, and * * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if * one is included with the Software each a "Larger Work" to which the Software * is contributed by such licensors), * * without restriction, including without limitation the rights to copy, create * derivative works of, display, perform, and distribute the Software and make, * use, sell, offer for sale, import, export, have made, and have sold the * Software and the Larger Work(s), and to sublicense the foregoing rights on * either these or other terms. * * This license is subject to the following condition: * * The above copyright notice and either this complete permission notice or at a * minimum a reference to the UPL must be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.oracle.truffle.sl.test; import com.oracle.truffle.api.dsl.NodeFactory; import com.oracle.truffle.api.vm.TruffleVM; import com.oracle.truffle.sl.SLLanguage; import com.oracle.truffle.sl.builtins.SLBuiltinNode; import com.oracle.truffle.sl.test.SLTestRunner.TestCase; import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.IOException; import java.io.PrintWriter; import java.io.StringReader; import java.net.URL; import java.nio.charset.Charset; import java.nio.file.FileSystems; import java.nio.file.FileVisitResult; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.SimpleFileVisitor; import java.nio.file.attribute.BasicFileAttributes; import java.util.ArrayList; import java.util.List; import org.junit.Assert; import org.junit.internal.TextListener; import org.junit.runner.Description; import org.junit.runner.JUnitCore; import org.junit.runner.Result; import org.junit.runner.manipulation.Filter; import org.junit.runner.manipulation.NoTestsRemainException; import org.junit.runner.notification.Failure; import org.junit.runner.notification.RunNotifier; import org.junit.runners.ParentRunner; import org.junit.runners.model.InitializationError; public final class SLTestRunner extends ParentRunner<TestCase> { private static int repeats = 1; private static final String SOURCE_SUFFIX = ".sl"; private static final String INPUT_SUFFIX = ".input"; private static final String OUTPUT_SUFFIX = ".output"; private static final String LF = System.getProperty("line.separator"); static class TestCase { protected final Description name; protected final Path path; protected final String sourceName; protected final String testInput; protected final String expectedOutput; protected String actualOutput; protected TestCase(Class<?> testClass, String baseName, String sourceName, Path path, String testInput, String expectedOutput) { this.name = Description.createTestDescription(testClass, baseName); this.sourceName = sourceName; this.path = path; this.testInput = testInput; this.expectedOutput = expectedOutput; } } private final List<TestCase> testCases; public SLTestRunner(Class<?> runningClass) throws InitializationError { super(runningClass); try { testCases = createTests(runningClass); } catch (IOException e) { throw new InitializationError(e); } } @Override protected Description describeChild(TestCase child) { return child.name; } @Override protected List<TestCase> getChildren() { return testCases; } protected static List<TestCase> createTests(final Class<?> c) throws IOException, InitializationError { SLTestSuite suite = c.getAnnotation(SLTestSuite.class); if (suite == null) { throw new InitializationError(String.format("@%s annotation required on class '%s' to run with '%s'.", SLTestSuite.class.getSimpleName(), c.getName(), SLTestRunner.class.getSimpleName())); } String[] paths = suite.value(); Path root = getRootViaResourceURL(c, paths); if (root == null) { for (String path : paths) { Path candidate = FileSystems.getDefault().getPath(path); if (Files.exists(candidate)) { root = candidate; break; } } } if (root == null && paths.length > 0) { throw new FileNotFoundException(paths[0]); } final Path rootPath = root; final List<TestCase> foundCases = new ArrayList<>(); Files.walkFileTree(rootPath, new SimpleFileVisitor<Path>() { @Override public FileVisitResult visitFile(Path sourceFile, BasicFileAttributes attrs) throws IOException { String sourceName = sourceFile.getFileName().toString(); if (sourceName.endsWith(SOURCE_SUFFIX)) { String baseName = sourceName.substring(0, sourceName.length() - SOURCE_SUFFIX.length()); Path inputFile = sourceFile.resolveSibling(baseName + INPUT_SUFFIX); String testInput = ""; if (Files.exists(inputFile)) { testInput = readAllLines(inputFile); } Path outputFile = sourceFile.resolveSibling(baseName + OUTPUT_SUFFIX); String expectedOutput = ""; if (Files.exists(outputFile)) { expectedOutput = readAllLines(outputFile); } foundCases.add(new TestCase(c, baseName, sourceName, sourceFile, testInput, expectedOutput)); } return FileVisitResult.CONTINUE; } }); return foundCases; } public static Path getRootViaResourceURL(final Class<?> c, String[] paths) { URL url = c.getResource(c.getSimpleName() + ".class"); if (url != null) { char sep = File.separatorChar; String externalForm = url.toExternalForm(); String classPart = sep + c.getName().replace('.', sep) + ".class"; String suffix = null; String prefix = null; if (externalForm.startsWith("jar:file:")) { prefix = "jar:file:"; suffix = sep + "build/truffle-sl.jar!" + classPart; } else if (externalForm.startsWith("file:")) { prefix = "file:"; suffix = sep + "bin" + classPart; } else { return null; } if (externalForm.endsWith(suffix)) { String base = externalForm.substring(prefix.length(), externalForm.length() - suffix.length()); for (String path : paths) { String candidate = base + sep + path; if (new File(candidate).exists()) { return FileSystems.getDefault().getPath(candidate); } } } } return null; } private static String readAllLines(Path file) throws IOException { // fix line feeds for non unix os StringBuilder outFile = new StringBuilder(); for (String line : Files.readAllLines(file, Charset.defaultCharset())) { outFile.append(line).append(LF); } return outFile.toString(); } public static void setRepeats(int repeats) { SLTestRunner.repeats = repeats; } private static final List<NodeFactory<? extends SLBuiltinNode>> builtins = new ArrayList<>(); public static void installBuiltin(NodeFactory<? extends SLBuiltinNode> builtin) { builtins.add(builtin); } @Override protected void runChild(TestCase testCase, RunNotifier notifier) { notifier.fireTestStarted(testCase.name); ByteArrayOutputStream out = new ByteArrayOutputStream(); PrintWriter printer = new PrintWriter(out); try { TruffleVM vm = TruffleVM.newVM().stdIn(new BufferedReader(new StringReader(repeat(testCase.testInput, repeats)))).stdOut(printer).build(); String script = readAllLines(testCase.path); SLLanguage.run(vm, testCase.path, null, printer, repeats, builtins); printer.flush(); String actualOutput = new String(out.toByteArray()); Assert.assertEquals(script, repeat(testCase.expectedOutput, repeats), actualOutput); } catch (Throwable ex) { notifier.fireTestFailure(new Failure(testCase.name, new IllegalStateException("Cannot run " + testCase.sourceName, ex))); } finally { notifier.fireTestFinished(testCase.name); } } private static String repeat(String s, int count) { StringBuilder result = new StringBuilder(s.length() * count); for (int i = 0; i < count; i++) { result.append(s); } return result.toString(); } public static void runInMain(Class<?> testClass, String[] args) throws InitializationError, NoTestsRemainException { JUnitCore core = new JUnitCore(); core.addListener(new TextListener(System.out)); SLTestRunner suite = new SLTestRunner(testClass); if (args.length > 0) { suite.filter(new NameFilter(args[0])); } Result r = core.run(suite); if (!r.wasSuccessful()) { System.exit(1); } } private static final class NameFilter extends Filter { private final String pattern; private NameFilter(String pattern) { this.pattern = pattern.toLowerCase(); } @Override public boolean shouldRun(Description description) { return description.getMethodName().toLowerCase().contains(pattern); } @Override public String describe() { return "Filter contains " + pattern; } } }