langtools/test/tools/jdeps/modules/ModuleTest.java
changeset 36526 3b41f1c69604
child 38524 badd925c1d2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/jdeps/modules/ModuleTest.java	Thu Mar 17 19:04:28 2016 +0000
@@ -0,0 +1,310 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Tests jdeps -m and -mp options on named modules and unnamed modules
+ * @library ..
+ * @build CompilerUtils
+ * @modules jdk.jdeps/com.sun.tools.jdeps
+ * @run testng ModuleTest
+ */
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.module.ModuleDescriptor;
+import java.lang.module.ModuleDescriptor.Requires.Modifier;
+import static java.lang.module.ModuleDescriptor.Requires.Modifier.*;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.*;
+
+import java.util.stream.Collectors;
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertTrue;
+
+public class ModuleTest {
+    private static final String TEST_SRC = System.getProperty("test.src");
+    private static final String TEST_CLASSES = System.getProperty("test.classes");
+
+    private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
+    private static final Path MODS_DIR = Paths.get("mods");
+
+    // the names of the modules in this test
+    private static final String UNSUPPORTED = "unsupported";
+    private static String[] modules = new String[] {"m1", "m2", "m3", "m4", UNSUPPORTED};
+    /**
+     * Compiles all modules used by the test
+     */
+    @BeforeTest
+    public void compileAll() throws Exception {
+        CompilerUtils.cleanDir(MODS_DIR);
+        assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, UNSUPPORTED,
+                                               "-XaddExports:java.base/jdk.internal.perf=" + UNSUPPORTED));
+        // m4 is not referenced
+        Arrays.asList("m1", "m2", "m3", "m4")
+              .forEach(mn -> assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, mn)));
+    }
+
+    @DataProvider(name = "modules")
+    public Object[][] expected() {
+        return new Object[][]{
+                { "m3", new Data("m3").requiresPublic("java.sql")
+                                      .requiresPublic("m2")
+                                      .requires("java.logging")
+                                      .requiresPublic("m1")
+                                      .reference("p3", "java.lang", "java.base")
+                                      .reference("p3", "java.sql", "java.sql")
+                                      .reference("p3", "java.util.logging", "java.logging")
+                                      .reference("p3", "p1", "m1")
+                                      .reference("p3", "p2", "m2")
+                                      .qualified("p3", "p2.internal", "m2")
+                },
+                { "m2", new Data("m2").requiresPublic("m1")
+                                      .reference("p2", "java.lang", "java.base")
+                                      .reference("p2", "p1", "m1")
+                                      .reference("p2.internal", "java.lang", "java.base")
+                                      .reference("p2.internal", "java.io", "java.base")
+                },
+                { "m1", new Data("m1").requires("unsupported")
+                                      .reference("p1", "java.lang", "java.base")
+                                      .reference("p1.internal", "java.lang", "java.base")
+                                      .reference("p1.internal", "p1", "m1")
+                                      .reference("p1.internal", "q", "unsupported")
+                },
+                { "unsupported", new Data("unsupported")
+                                      .reference("q", "java.lang", "java.base")
+                                      .jdkInternal("q", "jdk.internal.perf", "(java.base)")
+                },
+        };
+    }
+
+    @Test(dataProvider = "modules")
+    public void modularTest(String name, Data data) {
+        // print only the specified module
+        String excludes = Arrays.stream(modules)
+                                .filter(mn -> !mn.endsWith(name))
+                                .collect(Collectors.joining(","));
+        String[] result = jdeps("-exclude-modules", excludes,
+                                "-mp", MODS_DIR.toString(),
+                                "-m", name);
+        assertTrue(data.check(result));
+    }
+
+    @DataProvider(name = "unnamed")
+    public Object[][] unnamed() {
+        return new Object[][]{
+                { "m3", new Data("m3", false)
+                            .depends("java.sql")
+                            .depends("java.logging")
+                            .depends("m1")
+                            .depends("m2")
+                            .reference("p3", "java.lang", "java.base")
+                            .reference("p3", "java.sql", "java.sql")
+                            .reference("p3", "java.util.logging", "java.logging")
+                            .reference("p3", "p1", "m1")
+                            .reference("p3", "p2", "m2")
+                            .internal("p3", "p2.internal", "m2")
+                },
+                { "unsupported", new Data("unsupported", false)
+                            .reference("q", "java.lang", "java.base")
+                            .jdkInternal("q", "jdk.internal.perf", "(java.base)")
+                },
+        };
+    }
+
+    @Test(dataProvider = "unnamed")
+    public void unnamedTest(String name, Data data) {
+        String[] result = jdeps("-mp", MODS_DIR.toString(), MODS_DIR.resolve(name).toString());
+        assertTrue(data.check(result));
+    }
+
+    /*
+     * Runs jdeps with the given arguments
+     */
+    public static String[] jdeps(String... args) {
+        String lineSep =     System.getProperty("line.separator");
+        StringWriter sw = new StringWriter();
+        PrintWriter pw = new PrintWriter(sw);
+        System.err.println("jdeps " + Arrays.toString(args));
+        int rc = com.sun.tools.jdeps.Main.run(args, pw);
+        pw.close();
+        String out = sw.toString();
+        if (!out.isEmpty())
+            System.err.println(out);
+        if (rc != 0)
+            throw new Error("jdeps failed: rc=" + rc);
+        return out.split(lineSep);
+    }
+
+    static class Data {
+        static final String INTERNAL = "(internal)";
+        static final String QUALIFIED = "(qualified)";
+        static final String JDK_INTERNAL = "JDK internal API";
+
+        final String moduleName;
+        final boolean isNamed;
+        final Map<String, ModuleRequires> requires = new LinkedHashMap<>();
+        final Map<String, Dependence> references = new LinkedHashMap<>();
+        Data(String name) {
+            this(name, true);
+        }
+        Data(String name, boolean isNamed) {
+            this.moduleName = name;
+            this.isNamed = isNamed;
+            requires("java.base");  // implicit requires
+        }
+
+        Data requires(String name) {
+            requires.put(name, new ModuleRequires(name));
+            return this;
+        }
+        Data requiresPublic(String name) {
+            requires.put(name, new ModuleRequires(name, PUBLIC));
+            return this;
+        }
+        // for unnamed module
+        Data depends(String name) {
+            requires.put(name, new ModuleRequires(name));
+            return this;
+        }
+        Data reference(String origin, String target, String module) {
+            return dependence(origin, target, module, "");
+        }
+        Data internal(String origin, String target, String module) {
+            return dependence(origin, target, module, INTERNAL);
+        }
+        Data qualified(String origin, String target, String module) {
+            return dependence(origin, target, module, QUALIFIED);
+        }
+        Data jdkInternal(String origin, String target, String module) {
+            return dependence(origin, target, module, JDK_INTERNAL);
+        }
+        private Data dependence(String origin, String target, String module, String access) {
+            references.put(key(origin, target), new Dependence(origin, target, module, access));
+            return this;
+        }
+
+        String key(String origin, String target) {
+            return origin+":"+target;
+        }
+        boolean check(String[] lines) {
+            System.out.format("verifying module %s%s%n", moduleName, isNamed ? "" : " (unnamed module)");
+            for (String l : lines) {
+                String[] tokens = l.trim().split("\\s+");
+                System.out.println("  " + Arrays.stream(tokens).collect(Collectors.joining(" ")));
+                switch (tokens[0]) {
+                    case "module":
+                        assertEquals(tokens.length, 2);
+                        assertEquals(moduleName, tokens[1]);
+                        break;
+                    case "requires":
+                        String name = tokens.length == 2 ? tokens[1] : tokens[2];
+                        Modifier modifier = null;
+                        if (tokens.length == 3) {
+                            assertEquals("public", tokens[1]);
+                            modifier = PUBLIC;
+                        }
+                        checkRequires(name, modifier);
+                        break;
+                    default:
+                        if (tokens.length == 3) {
+                            // unnamed module requires
+                            assertFalse(isNamed);
+                            assertEquals(moduleName, tokens[0]);
+                            String mn = tokens[2];
+                            checkRequires(mn, null);
+                        } else {
+                            checkDependence(tokens);
+                        }
+                }
+            }
+            return true;
+        }
+
+        private void checkRequires(String name, Modifier modifier) {
+            assertTrue(requires.containsKey(name));
+            ModuleRequires req = requires.get(name);
+            assertEquals(req.mod, modifier);
+        }
+
+        private void checkDependence(String[] tokens) {
+            assertTrue(tokens.length >= 4);
+            String origin = tokens[0];
+            String target = tokens[2];
+            String module = tokens[3];
+            String key = key(origin, target);
+            assertTrue(references.containsKey(key));
+            Dependence dep = references.get(key);
+            if (tokens.length == 4) {
+                assertEquals(dep.access, "");
+            } else if (tokens.length == 5) {
+                assertEquals(dep.access, tokens[4]);
+            } else {
+                // JDK internal API
+                module = tokens[6];
+                assertEquals(tokens.length, 7);
+                assertEquals(tokens[3], "JDK");
+                assertEquals(tokens[4], "internal");
+                assertEquals(tokens[5], "API");
+            }
+            assertEquals(dep.module, module);
+        }
+
+        public static class ModuleRequires {
+            final String name;
+            final ModuleDescriptor.Requires.Modifier mod;
+
+            ModuleRequires(String name) {
+                this.name = name;
+                this.mod = null;
+            }
+
+            ModuleRequires(String name, ModuleDescriptor.Requires.Modifier mod) {
+                this.name = name;
+                this.mod = mod;
+            }
+        }
+
+        public static class Dependence {
+            final String origin;
+            final String target;
+            final String module;
+            final String access;
+
+            Dependence(String origin, String target, String module, String access) {
+                this.origin = origin;
+                this.target = target;
+                this.module = module;
+                this.access = access;
+            }
+        }
+    }
+}