Added test checking for @author in code.

compiler/tests/org/jetbrains/jet/parsing/JetCodeConformanceTest.java

@@ -16,16 +16,34 @@
 
 package org.jetbrains.jet.parsing;
 
+import com.google.common.collect.Lists;
 import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.util.text.StringUtil;
 import junit.framework.TestCase;
+import org.jetbrains.annotations.NotNull;
 
 import java.io.File;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 
 public class JetCodeConformanceTest extends TestCase {
     private static final Pattern JAVA_FILE_PATTERN = Pattern.compile(".+\\.java");
+    private static final Pattern SOURCES_FILE_PATTERN = Pattern.compile("(.+\\.java|.+\\.kt|.+\\.jet|.+\\.js)");
+    private static final List<File> EXCLUDED_FILES_AND_DIRS = Arrays.asList(
+            new File("dependencies"),
+            new File("examples"),
+            new File("js/js.translator/qunit/qunit.js"),
+            new File("libraries/tools/kotlin-js-tests/src/test/web/qunit.js"),
+            new File("out"),
+            new File("dist"),
+            new File("docs"),
+            new File("ideaSDK"),
+            new File("compiler/tests/org/jetbrains/jet/parsing/JetCodeConformanceTest.java"));
+    public static final Pattern JAVADOC_PATTERN = Pattern.compile("/\\*.+@author.+\\*/", Pattern.DOTALL);
 
     public void testParserCode() throws Exception {
         for (File sourceFile : FileUtil.findFilesByMask(JAVA_FILE_PATTERN, new File("compiler/frontend/src/org/jetbrains/jet/lang/parsing"))) {
@@ -39,4 +57,34 @@ public class JetCodeConformanceTest extends TestCase {
             }
         }
     }
+
+    public void testForAuthorJavadoc() throws IOException {
+        List<File> filesWithAuthorJavadoc = Lists.newArrayList();
+
+        for (File sourceFile : FileUtil.findFilesByMask(SOURCES_FILE_PATTERN, new File("."))) {
+            if (excludeFile(sourceFile)) {
+                continue;
+            }
+
+            String source = FileUtil.loadFile(sourceFile);
+
+            if (source.contains("@author") && JAVADOC_PATTERN.matcher(source).find()) { // .contains() is invoked for optimization
+                filesWithAuthorJavadoc.add(sourceFile);
+            }
+        }
+
+        if (!filesWithAuthorJavadoc.isEmpty()) {
+            fail(String.format("%d source files contain @author javadoc tag. Please remove them:\n%s",
+                               filesWithAuthorJavadoc.size(), StringUtil.join(filesWithAuthorJavadoc, "\n")));
+        }
+    }
+
+    private static boolean excludeFile(@NotNull File file) {
+        for (File excludedFileOrDir : EXCLUDED_FILES_AND_DIRS) {
+            if (FileUtil.isAncestor(excludedFileOrDir, file, false)) {
+                return true;
+            }
+        }
+        return false;
+    }
 }