Add test which checks whether compiler messages are understood correctly by the plugin.

compiler/cli/src/org/jetbrains/jet/cli/common/CLICompiler.java

@@ -93,6 +93,7 @@ public abstract class CLICompiler<CLArgs extends CompilerArguments, CEConf exten
         System.setProperty("java.awt.headless", "true");
         final MessageRenderer messageRenderer = getMessageRenderer(arguments);
         errStream.print(messageRenderer.renderPreamble());
+        printVersionIfNeeded(errStream, arguments, messageRenderer);
         try {
             return doExecute(errStream, arguments, messageRenderer);
         }
@@ -114,9 +115,10 @@ public abstract class CLICompiler<CLArgs extends CompilerArguments, CEConf exten
             @NotNull CLArgs arguments,
             @NotNull MessageRenderer messageRenderer) {
         if (arguments.isVersion()) {
-            errStream.println(messageRenderer
-                                      .render(CompilerMessageSeverity.INFO, "Kotlin Compiler version " + K2JVMCompilerVersion.VERSION,
-                                              CompilerMessageLocation.NO_LOCATION));
+            String versionMessage = messageRenderer.render(CompilerMessageSeverity.INFO,
+                                                           "Kotlin Compiler version " + K2JVMCompilerVersion.VERSION,
+                                                           CompilerMessageLocation.NO_LOCATION);
+            errStream.println(versionMessage);
         }
     }
 

compiler/cli/src/org/jetbrains/jet/cli/common/messages/MessageRenderer.java

@@ -42,7 +42,7 @@ public interface MessageRenderer {
                 out.append(" line=\"").append(location.getLine()).append("\"");
                 out.append(" column=\"").append(location.getColumn()).append("\"");
             }
-            out.append(">\n");
+            out.append(">");
 
             out.append(e(message));
 

compiler/cli/src/org/jetbrains/jet/cli/jvm/K2JVMCompiler.java

@@ -56,10 +56,8 @@ public class K2JVMCompiler extends CLICompiler<K2JVMCompilerArguments, CompileEn
     protected ExitCode doExecute(PrintStream errStream,
             K2JVMCompilerArguments arguments,
             MessageRenderer messageRenderer) {
-        printVersionIfNeeded(errStream, arguments, messageRenderer);
 
         CompilerSpecialMode mode = parseCompilerSpecialMode(arguments);
-
         File jdkHeadersJar;
         if (mode.includeJdkHeaders()) {
             if (arguments.jdkHeaders != null) {

idea/testData/compilerMessages/helloWorld/src/test.kt

@@ -0,0 +1,4 @@
+package foo
+
+fun f() {
+}

idea/testData/compilerMessages/simpleError/src/test.kt

@@ -0,0 +1,5 @@
+package foo
+
+fun f() : Boolean {
+
+}

idea/testData/compilerMessages/simpleWarning/src/test.kt

@@ -0,0 +1,5 @@
+package foo
+
+fun f(s : String) {
+  s!!
+}

idea/tests/org/jetbrains/jet/plugin/compilerMessages/IDECompilerMessagingTest.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.jet.plugin.compilerMessages;
+
+import com.intellij.openapi.vfs.LocalFileSystem;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.testFramework.PlatformTestCase;
+import jet.Function1;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.plugin.PluginTestCaseBase;
+import org.jetbrains.jet.plugin.compiler.JetCompiler;
+
+import java.io.IOException;
+
+import static org.jetbrains.jet.plugin.compilerMessages.Message.error;
+import static org.jetbrains.jet.plugin.compilerMessages.Message.warning;
+
+/**
+ * @author Pavel Talanov
+ */
+public final class IDECompilerMessagingTest extends PlatformTestCase {
+
+    private static final String TEST_DATA_PATH = PluginTestCaseBase.getTestDataPathBase() + "/compilerMessages";
+
+    public void testHelloWorld() {
+        doTest(new Function1<MessageChecker, Void>() {
+            @Override
+            public Void invoke(MessageChecker checker) {
+                //nothing apart from header
+                return null;
+            }
+        });
+    }
+
+
+    public void testSimpleWarning() {
+        doTest(new Function1<MessageChecker, Void>() {
+            @Override
+            public Void invoke(MessageChecker checker) {
+                checker.expect(warning().text("Unnecessary non-null assertion (!!) on a non-null receiver of type jet.String")
+                                       .at("test.kt", 4, 4));
+                return null;
+            }
+        });
+    }
+
+    public void testSimpleError() {
+        doTest(new Function1<MessageChecker, Void>() {
+            @Override
+            public Void invoke(MessageChecker checker) {
+                checker.expect(
+                        error().text("A 'return' expression required in a function with a block body ('{...}')").at("test.kt", 5, 1));
+                return null;
+            }
+        });
+    }
+
+    private void doTest(@NotNull Function1<MessageChecker, Void> whatToExpect) {
+        String pathToTestDir = TEST_DATA_PATH + "/" + getTestName(true);
+        VirtualFile testDir = LocalFileSystem.getInstance().findFileByPath(pathToTestDir);
+        VirtualFile sampleFile = LocalFileSystem.getInstance().findFileByPath(pathToTestDir + "/src/test.kt");
+        VirtualFile outDirectory = getOutDirectory(pathToTestDir, testDir);
+        VirtualFile root = LocalFileSystem.getInstance().findFileByPath(pathToTestDir + "/src/");
+        MockCompileContext mockCompileContext = new MockCompileContext(myModule, outDirectory, root);
+        MockModuleChunk mockModuleChunk = new MockModuleChunk(myModule);
+        new JetCompiler()
+                .compile(mockCompileContext, mockModuleChunk, new VirtualFile[] {sampleFile}, new MockOutputSink());
+        MessageChecker checker = new MessageChecker(mockCompileContext);
+        checkHeader(checker);
+        whatToExpect.invoke(checker);
+        checker.finish();
+    }
+
+    @NotNull
+    private VirtualFile getOutDirectory(@NotNull String pathToTestDir, @NotNull VirtualFile testDir) {
+        VirtualFile outDirectory = LocalFileSystem.getInstance().findFileByPath(pathToTestDir + "/out");
+        if (outDirectory == null) {
+            try {
+                outDirectory = LocalFileSystem.getInstance().createChildDirectory(this, testDir, "out");
+            }
+            catch (IOException e) {
+                fail();
+            }
+        }
+        return outDirectory;
+    }
+
+    private static void checkHeader(@NotNull MessageChecker checker) {
+        checker.expect(Message.info().textStartsWith("Using kotlinHome="));
+        checker.expect(Message.info().textStartsWith("Invoking in-process compiler"));
+        checker.expect(Message.info().textStartsWith("Kotlin Compiler version"));
+    }
+}

idea/tests/org/jetbrains/jet/plugin/compilerMessages/Message.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.jet.plugin.compilerMessages;
+
+import com.intellij.openapi.compiler.CompilerMessageCategory;
+import junit.framework.Assert;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * @author Pavel Talanov
+ */
+@SuppressWarnings("ConstantConditions")
+public final class Message {
+
+    @NotNull
+    public static Message warning() {
+        return new Message(CompilerMessageCategory.WARNING);
+    }
+
+    @NotNull
+    public static Message error() {
+        return new Message(CompilerMessageCategory.ERROR);
+    }
+
+    @NotNull
+    public static Message info() {
+        return new Message(CompilerMessageCategory.INFORMATION);
+    }
+
+    @NotNull
+    public CompilerMessageCategory category;
+    @Nullable
+    public String url = null;
+    @Nullable
+    public String message = null;
+    @Nullable
+    public String textStartsWith = null;
+    public int column = -1;
+    public int line = -1;
+
+    public Message(CompilerMessageCategory category) {
+        this.category = category;
+    }
+
+    public Message(CompilerMessageCategory category, String message, String url, int num, int num1) {
+        this(category);
+        text(message).at(url, num, num1);
+    }
+
+
+    public Message at(String url, int line, int column) {
+        this.url = url;
+        this.line = line;
+        this.column = column;
+        return this;
+    }
+
+    public Message text(String message) {
+        this.message = message;
+        return this;
+    }
+
+    public Message textStartsWith(String message) {
+        this.textStartsWith = message;
+        return this;
+    }
+
+    public void check(@NotNull Message other) {
+        Assert.assertEquals(this.category, other.category);
+        checkMessages(other);
+        Assert.assertEquals(this.line, other.line);
+        Assert.assertEquals(this.column, other.column);
+        if (this.url != null) {
+            Assert.assertTrue(other.url.endsWith(this.url));
+        }
+    }
+
+    private void checkMessages(Message other) {
+        if (textStartsWith != null) {
+            Assert.assertTrue("Message should start with:\n" + textStartsWith + "\nBut it is:\n" + other.message,
+                              other.message.startsWith(textStartsWith));
+            return;
+        }
+        Assert.assertEquals(other.message, this.message);
+    }
+}

idea/tests/org/jetbrains/jet/plugin/compilerMessages/MessageChecker.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.jet.plugin.compilerMessages;
+
+import org.jetbrains.annotations.NotNull;
+import org.junit.Assert;
+
+import java.util.Iterator;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author Pavel Talanov
+ */
+public final class MessageChecker {
+
+    private final Iterator<Message> iterator;
+
+    public MessageChecker(@NotNull MockCompileContext context) {
+        this.iterator = context.getReceivedMessages().iterator();
+    }
+
+    @NotNull
+    public MessageChecker expect(@NotNull Message message) {
+        assertTrue("More messages expected", iterator.hasNext());
+        message.check(iterator.next());
+        return this;
+    }
+
+    public void finish() {
+        assertFalse("More message than expected", iterator.hasNext());
+    }
+}

idea/tests/org/jetbrains/jet/plugin/compilerMessages/MockCompileContext.java

@@ -0,0 +1,230 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.jet.plugin.compilerMessages;
+
+import com.google.common.collect.Lists;
+import com.intellij.compiler.make.DependencyCache;
+import com.intellij.mock.MockProgressIndicator;
+import com.intellij.openapi.compiler.CompileScope;
+import com.intellij.openapi.compiler.Compiler;
+import com.intellij.openapi.compiler.CompilerMessage;
+import com.intellij.openapi.compiler.CompilerMessageCategory;
+import com.intellij.openapi.compiler.ex.CompileContextEx;
+import com.intellij.openapi.module.Module;
+import com.intellij.openapi.progress.ProgressIndicator;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.Key;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.pom.Navigatable;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * @author Pavel Talanov
+ */
+public class MockCompileContext implements CompileContextEx {
+
+    @NotNull
+    private final List<Message> receivedMessages = Lists.newArrayList();
+    @NotNull
+    private final Module module;
+    @NotNull
+    private final VirtualFile outputDirectory;
+    @NotNull
+    private final VirtualFile sourceRoot;
+
+    public MockCompileContext(@NotNull Module module, @NotNull VirtualFile outputDir, @NotNull VirtualFile root) {
+        this.module = module;
+        outputDirectory = outputDir;
+        sourceRoot = root;
+    }
+
+    @NotNull
+    public List<Message> getReceivedMessages() {
+        return receivedMessages;
+    }
+
+    @Override
+    public DependencyCache getDependencyCache() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getDependencyCache");
+    }
+
+    @Override
+    public VirtualFile getSourceFileByOutputFile(VirtualFile outputFile) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getSourceFileByOutputFile");
+    }
+
+    @Override
+    public void addMessage(CompilerMessage message) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#addMessage");
+    }
+
+    @NotNull
+    @Override
+    public Set<VirtualFile> getTestOutputDirectories() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getTestOutputDirectories");
+    }
+
+    @Override
+    public boolean isInTestSourceContent(@NotNull VirtualFile fileOrDir) {
+        return false;
+    }
+
+    @Override
+    public boolean isInSourceContent(@NotNull VirtualFile fileOrDir) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#isInSourceContent");
+    }
+
+    @Override
+    public void addScope(CompileScope additionalScope) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#addScope");
+    }
+
+    @Override
+    public long getStartCompilationStamp() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getStartCompilationStamp");
+    }
+
+    @Override
+    public void recalculateOutputDirs() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#recalculateOutputDirs");
+    }
+
+    @Override
+    public void markGenerated(Collection<VirtualFile> files) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#markGenerated");
+    }
+
+    @Override
+    public boolean isGenerated(VirtualFile file) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#isGenerated");
+    }
+
+    @Override
+    public void assignModule(@NotNull VirtualFile root,
+            @NotNull Module module,
+            boolean isTestSource,
+            @Nullable Compiler compiler) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#assignModule");
+    }
+
+    @Override
+    public void addMessage(CompilerMessageCategory category, String message, @Nullable String url, int lineNum, int columnNum) {
+        receivedMessages.add(new Message(category, message, url, lineNum, columnNum));
+    }
+
+    @Override
+    public void addMessage(CompilerMessageCategory category,
+            String message,
+            @Nullable String url,
+            int lineNum,
+            int columnNum,
+            Navigatable navigatable) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#addMessage");
+    }
+
+    @Override
+    public CompilerMessage[] getMessages(CompilerMessageCategory category) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getMessages");
+    }
+
+    @Override
+    public int getMessageCount(CompilerMessageCategory category) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getMessageCount");
+    }
+
+    @NotNull
+    @Override
+    public ProgressIndicator getProgressIndicator() {
+        return new MockProgressIndicator();
+    }
+
+    @Override
+    public CompileScope getCompileScope() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getCompileScope");
+    }
+
+    @Override
+    public CompileScope getProjectCompileScope() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getProjectCompileScope");
+    }
+
+    @Override
+    public void requestRebuildNextTime(String message) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#requestRebuildNextTime");
+    }
+
+    @Override
+    public Module getModuleByFile(VirtualFile file) {
+        return module;
+    }
+
+    @Override
+    public VirtualFile[] getSourceRoots(Module module) {
+        return new VirtualFile[] {sourceRoot};
+    }
+
+    @Override
+    public VirtualFile[] getAllOutputDirectories() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getAllOutputDirectories");
+    }
+
+    @Override
+    public VirtualFile getModuleOutputDirectory(Module module) {
+        return outputDirectory;
+    }
+
+    @Override
+    public VirtualFile getModuleOutputDirectoryForTests(Module module) {
+        return outputDirectory;
+    }
+
+    @Override
+    public boolean isMake() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#isMake");
+    }
+
+    @Override
+    public boolean isRebuild() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#isRebuild");
+    }
+
+    @Override
+    public Project getProject() {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getProject");
+    }
+
+    @Override
+    public boolean isAnnotationProcessorsEnabled() {
+        throw new UnsupportedOperationException(
+                "org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#isAnnotationProcessorsEnabled");
+    }
+
+    @Override
+    public <T> T getUserData(@NotNull Key<T> key) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#getUserData");
+    }
+
+    @Override
+    public <T> void putUserData(@NotNull Key<T> key, @Nullable T value) {
+        throw new UnsupportedOperationException("org.jetbrains.jet.plugin.compilerMessages.MockCompileContext#putUserData");
+    }
+}

idea/tests/org/jetbrains/jet/plugin/compilerMessages/MockModuleChunk.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.jet.plugin.compilerMessages;
+
+import com.intellij.openapi.module.Module;
+import com.intellij.util.Chunk;
+
+/**
+ * @author Pavel Talanov
+ */
+public class MockModuleChunk extends Chunk<Module> {
+    public MockModuleChunk(Module module) {
+        super(module);
+    }
+}

idea/tests/org/jetbrains/jet/plugin/compilerMessages/MockOutputSink.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.jet.plugin.compilerMessages;
+
+import com.intellij.openapi.compiler.TranslatingCompiler;
+import com.intellij.openapi.vfs.VirtualFile;
+
+import java.util.Collection;
+
+/**
+ * @author Pavel Talanov
+ */
+public class MockOutputSink implements TranslatingCompiler.OutputSink {
+    @Override
+    public void add(String outputRoot, Collection<TranslatingCompiler.OutputItem> items, VirtualFile[] filesToRecompile) {
+        // do nothing
+    }
+}