langtools/test/jdk/javadoc/tool/EnsureNewOldDoclet.java
changeset 37750 d213951c811b
parent 36526 3b41f1c69604
child 39179 c04b68e23fa4
--- a/langtools/test/jdk/javadoc/tool/EnsureNewOldDoclet.java	Fri Apr 29 14:18:09 2016 -0700
+++ b/langtools/test/jdk/javadoc/tool/EnsureNewOldDoclet.java	Fri Apr 29 15:35:51 2016 -0700
@@ -23,96 +23,349 @@
 
 /*
  * @test
- * @bug 8035473
- * @summary make sure the new doclet is invoked by default, and -Xold
+ * @bug 8035473 8154482
+ * @summary make sure the javadoc tool responds correctly to Xold,
+ *          old doclets and taglets.
+ * @library /tools/lib
+ * @build toolbox.ToolBox toolbox.TestRunner
+ * @run main EnsureNewOldDoclet
  */
 
 import java.io.*;
-import java.util.ArrayList;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+import com.sun.javadoc.Tag;
+import com.sun.source.doctree.DocTree;
+
+import toolbox.*;
+
 
 /**
- * Dummy javadoc comment.
+ * This test ensures the doclet responds correctly when given
+ * various conditions that force a fall back to the old javadoc
+ * tool. The following condition in the order described will
+ * force a dispatch to the old tool, -Xold, old doclet and old taglet.
+ *
  */
-public class EnsureNewOldDoclet {
+public class EnsureNewOldDoclet extends TestRunner {
+
+    final ToolBox tb;
+    final File testSrc;
+    final Path javadocPath;
+    final ExecTask task;
+    final String testClasses;
+    final PrintStream ostream;
 
-    final File javadoc;
-    final File testSrc;
-    final String thisClassName;
+    final static String CLASS_NAME = "EnsureNewOldDoclet";
+    final static String OLD_DOCLET_CLASS_NAME = CLASS_NAME + "$OldDoclet";
+    final static String NEW_DOCLET_CLASS_NAME = CLASS_NAME + "$NewDoclet"; //unused
+    final static String OLD_TAGLET_CLASS_NAME = CLASS_NAME + "$OldTaglet";
+    final static String NEW_TAGLET_CLASS_NAME = CLASS_NAME + "$NewTaglet";
+
+    final static Pattern OLD_HEADER = Pattern.compile("^Standard Doclet \\(Old\\) version.*");
+    final static Pattern NEW_HEADER = Pattern.compile("^Standard Doclet version.*");
+
+
+    final static String OLD_DOCLET_MARKER = "OLD_DOCLET_MARKER";
+    final static String OLD_TAGLET_MARKER = "Registered: OldTaglet";
+
+    final static String NEW_DOCLET_MARKER = "NEW_DOCLET_MARKER";
+    final static String NEW_TAGLET_MARKER = "Registered Taglet " + CLASS_NAME + "\\$NewTaglet";
 
-    final static Pattern Expected1 = Pattern.compile("^Standard Doclet \\(Next\\) version.*");
-    final static Pattern Expected2 = Pattern.compile("^Standard Doclet version.*");
+    final static Pattern WARN_TEXT = Pattern.compile("Users are strongly recommended to migrate" +
+                                                    " to the new APIs.");
+    final static String OLD_DOCLET_ERROR = "java.lang.NoSuchMethodException: " +
+            CLASS_NAME +"\\$NewTaglet";
+    final static Pattern NEW_DOCLET_ERROR = Pattern.compile(".*java.lang.ClassCastException.*Taglet " +
+            CLASS_NAME + "\\$OldTaglet.*");
+
+    final static String OLD_STDDOCLET = "com.sun.tools.doclets.standard.Standard";
+    final static String NEW_STDDOCLET = "jdk.javadoc.internal.doclets.standard.Standard";
+
 
-    public EnsureNewOldDoclet() {
-        File javaHome = new File(System.getProperty("java.home"));
-        if (javaHome.getName().endsWith("jre"))
-            javaHome = javaHome.getParentFile();
-        javadoc = new File(new File(javaHome, "bin"), "javadoc");
-        testSrc = new File(System.getProperty("test.src"));
-        thisClassName = EnsureNewOldDoclet.class.getName();
+    public EnsureNewOldDoclet() throws Exception {
+        super(System.err);
+        ostream = System.err;
+        testClasses = System.getProperty("test.classes");
+        tb = new ToolBox();
+        javadocPath = tb.getJDKTool("javadoc");
+        task = new ExecTask(tb, javadocPath);
+        testSrc = new File("Foo.java");
+        generateSample(testSrc);
+    }
+
+    void generateSample(File testSrc) throws Exception {
+        String nl = System.getProperty("line.separator");
+        String src = Arrays.asList(
+            "/**",
+            " * A test class to test javadoc. Nothing more nothing less.",
+            " */",
+            " public class Foo{}").stream().collect(Collectors.joining(nl));
+        tb.writeFile(testSrc.getPath(), src);
     }
 
     public static void main(String... args) throws Exception {
-        EnsureNewOldDoclet test = new EnsureNewOldDoclet();
-        test.run1();
-        test.run2();
+        new EnsureNewOldDoclet().runTests();
+    }
+
+    // input: nothing, default mode
+    // outcome: new tool and new doclet
+    @Test
+    public void testDefault() throws Exception {
+        setArgs("-classpath", ".", // insulates us from ambient classpath
+                  testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.SUCCESS);
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        checkOutput(testName, out, NEW_HEADER);
+    }
+
+    // input: -Xold
+    // outcome: old tool
+    @Test
+    public void testXold() throws Exception {
+        setArgs("-Xold",
+                "-classpath", ".", // ambient classpath insulation
+                testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.SUCCESS);
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        List<String> err = tr.getOutputLines(Task.OutputKind.STDERR);
+        checkOutput(testName, out, OLD_HEADER);
+        checkOutput(testName, err, WARN_TEXT);
+    }
+
+    // input: old doclet
+    // outcome: old tool
+    @Test
+    public void testOldDoclet() throws Exception {
+        setArgs("-classpath", ".", // ambient classpath insulation
+                "-doclet",
+                OLD_DOCLET_CLASS_NAME,
+                "-docletpath",
+                testClasses,
+                testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.SUCCESS);
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        List<String> err = tr.getOutputLines(Task.OutputKind.STDERR);
+        checkOutput(testName, out, OLD_DOCLET_MARKER);
+        checkOutput(testName, err, WARN_TEXT);
+    }
+
+    // input: old taglet
+    // outcome: old tool
+    @Test
+    public void testOldTaglet() throws Exception {
+        setArgs("-classpath", ".", // ambient classpath insulation
+            "-taglet",
+            OLD_TAGLET_CLASS_NAME,
+            "-tagletpath",
+            testClasses,
+            testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.SUCCESS);
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        List<String> err = tr.getOutputLines(Task.OutputKind.STDERR);
+        checkOutput(testName, out, OLD_TAGLET_MARKER);
+        checkOutput(testName, err, WARN_TEXT);
     }
 
-    // make sure new doclet is invoked by default
-    void run1() throws Exception {
-        List<String> output = doTest(javadoc.getPath(),
-                "-classpath", ".", // insulates us from ambient classpath
-                "-Xdoclint:none",
-                "-package",
-                new File(testSrc, thisClassName + ".java").getPath());
-        System.out.println(output);
-        for (String x : output) {
-            if (Expected1.matcher(x).matches()) {
+    // input: new doclet and old taglet
+    // outcome: new doclet with failure
+    @Test
+    public void testNewDocletOldTaglet() throws Exception {
+        setArgs("-classpath", ".", // ambient classpath insulation
+                "-doclet",
+                NEW_STDDOCLET,
+                "-taglet",
+                OLD_TAGLET_CLASS_NAME,
+                "-tagletpath",
+                testClasses,
+                testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.FAIL, 1);
+        //Task.Result tr = task.run();
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        List<String> err = tr.getOutputLines(Task.OutputKind.STDERR);
+        checkOutput(testName, out, NEW_HEADER);
+        checkOutput(testName, err, NEW_DOCLET_ERROR);
+    }
+
+    // input: old doclet and old taglet
+    // outcome: old doclet and old taglet should register
+    @Test
+    public void testOldDocletOldTaglet() throws Exception {
+        setArgs("-classpath", ".", // ambient classpath insulation
+                "-doclet",
+                OLD_STDDOCLET,
+                "-taglet",
+                OLD_TAGLET_CLASS_NAME,
+                "-tagletpath",
+                testClasses,
+                testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.SUCCESS);
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        List<String> err = tr.getOutputLines(Task.OutputKind.STDERR);
+        checkOutput(testName, out, OLD_HEADER);
+        checkOutput(testName, out, OLD_TAGLET_MARKER);
+        checkOutput(testName, err, WARN_TEXT);
+    }
+
+    // input: new doclet and new taglet
+    // outcome: new doclet and new taglet should register
+    @Test
+    public void testNewDocletNewTaglet() throws Exception {
+        setArgs("-classpath", ".", // ambient classpath insulation
+                "-doclet",
+                NEW_STDDOCLET,
+                "-taglet",
+                NEW_TAGLET_CLASS_NAME,
+                "-tagletpath",
+                testClasses,
+                testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.SUCCESS);
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        List<String> err = tr.getOutputLines(Task.OutputKind.STDERR);
+        checkOutput(testName, out, NEW_HEADER);
+        checkOutput(testName, out, NEW_TAGLET_MARKER);
+    }
+
+    // input: old doclet and new taglet
+    // outcome: old doclet and error
+    @Test
+    public void testOldDocletNewTaglet() throws Exception {
+        setArgs("-classpath", ".", // ambient classpath insulation
+                "-doclet",
+                OLD_STDDOCLET,
+                "-taglet",
+                NEW_TAGLET_CLASS_NAME,
+                "-tagletpath",
+                testClasses,
+                testSrc.toString());
+        Task.Result tr = task.run(Task.Expect.FAIL, 1);
+        List<String> out = tr.getOutputLines(Task.OutputKind.STDOUT);
+        List<String> err = tr.getOutputLines(Task.OutputKind.STDERR);
+        checkOutput(testName, out, OLD_HEADER);
+        checkOutput(testName, err, WARN_TEXT);
+        checkOutput(testName, err, OLD_DOCLET_ERROR);
+    }
+
+    void setArgs(String... args) {
+        ostream.println("cmds: " + Arrays.asList(args));
+        task.args(args);
+    }
+
+    void checkOutput(String testCase, List<String> content, String toFind) throws Exception {
+        checkOutput(testCase, content, Pattern.compile(".*" + toFind + ".*"));
+    }
+
+    void checkOutput(String testCase, List<String> content, Pattern toFind) throws Exception {
+        ostream.println("---" + testCase + "---");
+        content.stream().forEach(x -> System.out.println(x));
+        for (String x : content) {
+            ostream.println(x);
+            if (toFind.matcher(x).matches()) {
                 return;
             }
         }
-        throw new Exception("run1: Expected string not found:");
+        throw new Exception(testCase + ": Expected string not found: " +  toFind);
     }
 
-    // make sure the old doclet is invoked with -Xold
-    void run2() throws Exception {
-        List<String> output = doTest(javadoc.getPath(),
-                "-Xold",
-                "-classpath", ".", // insulates us from ambient classpath
-                "-Xdoclint:none",
-                "-package",
-                new File(testSrc, thisClassName + ".java").getPath());
-
-        for (String x : output) {
-            if (Expected2.matcher(x).matches()) {
-                throw new Exception("run2: Expected string not found");
-            }
-            return;
+    public static class OldDoclet extends com.sun.javadoc.Doclet {
+        public static boolean start(com.sun.javadoc.RootDoc root) {
+            System.out.println(OLD_DOCLET_MARKER);
+            return true;
         }
     }
 
-    /**
-     * More dummy comments.
-     */
-    List<String> doTest(String... args) throws Exception {
-        List<String> output = new ArrayList<>();
-        // run javadoc in separate process to ensure doclet executed under
-        // normal user conditions w.r.t. classloader
-        Process p = new ProcessBuilder()
-                .command(args)
-                .redirectErrorStream(true)
-                .start();
-        try (BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()))) {
-            String line = in.readLine();
-            while (line != null) {
-                output.add(line.trim());
-                line = in.readLine();
-            }
+    public static class OldTaglet implements com.sun.tools.doclets.Taglet {
+
+        public static void register(Map map) {
+            EnsureNewOldDoclet.OldTaglet tag = new OldTaglet();
+            com.sun.tools.doclets.Taglet t = (com.sun.tools.doclets.Taglet) map.get(tag.getName());
+            System.out.println(OLD_TAGLET_MARKER);
+        }
+
+        @Override
+        public boolean inField() {
+            return true;
+        }
+
+        @Override
+        public boolean inConstructor() {
+            return true;
+        }
+
+        @Override
+        public boolean inMethod() {
+            return true;
+        }
+
+        @Override
+        public boolean inOverview() {
+            return true;
+        }
+
+        @Override
+        public boolean inPackage() {
+            return true;
+        }
+
+        @Override
+        public boolean inType() {
+            return true;
+        }
+
+        @Override
+        public boolean isInlineTag() {
+            return true;
         }
-        int rc = p.waitFor();
-        if (rc != 0)
-            throw new Exception("javadoc failed, rc:" + rc);
-        return output;
+
+        @Override
+        public String getName() {
+            return "OldTaglet";
+        }
+
+        @Override
+        public String toString(Tag tag) {
+            return getName();
+        }
+
+        @Override
+        public String toString(Tag[] tags) {
+            return getName();
+        }
+    }
+
+    public static class NewTaglet implements jdk.javadoc.doclet.taglet.Taglet {
+
+        @Override
+        public Set<Location> getAllowedLocations() {
+            return Collections.emptySet();
+        }
+
+        @Override
+        public boolean isInlineTag() {
+            return true;
+        }
+
+        @Override
+        public String getName() {
+            return "NewTaglet";
+        }
+
+        @Override
+        public String toString(DocTree tag) {
+            return tag.toString();
+        }
+
+        @Override
+        public String toString(List<? extends DocTree> tags) {
+            return tags.toString();
+        }
+
     }
 }