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From skitch...@apache.org
Subject svn commit: r154660 - jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies
Date Mon, 21 Feb 2005 09:52:39 GMT
Author: skitching
Date: Mon Feb 21 01:52:37 2005
New Revision: 154660

URL: http://svn.apache.org/viewcvs?view=rev&rev=154660
Log:
Test cases.

Added:
    jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromClassTestCase.java
  (with props)
    jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltClassTestCase.java
  (with props)
    jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltMethodTestCase.java
  (with props)

Added: jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromClassTestCase.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromClassTestCase.java?view=auto&rev=154660
==============================================================================
--- jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromClassTestCase.java
(added)
+++ jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromClassTestCase.java
Mon Feb 21 01:52:37 2005
@@ -0,0 +1,351 @@
+/* $Id$
+ *
+ * Copyright 2005 The Apache Software Foundation.
+ *
+ * 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.apache.commons.digester2.plugins.strategies;
+
+import java.util.List;
+import java.util.Properties;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+import org.apache.commons.digester2.*;
+import org.apache.commons.digester2.actions.*;
+import org.apache.commons.digester2.plugins.*;
+
+/**
+ * Test cases for FinderFromClass behaviour.
+ */
+
+public class FinderFromClassTestCase extends TestCase {
+    // -----------------------------------------------------------
+    // Helper classes
+    // -----------------------------------------------------------
+
+    public static class DummyPlugin {
+    }
+
+    public static class DummyAction extends AbstractAction {
+    }
+
+    public static class DummyAction1 extends DummyAction {
+    }
+
+    public static class DummyAction2 extends DummyAction {
+    }
+
+    public static class DummyRuleInfo1 {
+        public static void addRules(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+        }
+    }
+
+    public static class DummyRuleInfo2 {
+        public static void doRules(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+        }
+    }
+
+    public static class DummyRuleInfo3 {
+        public static void addRules(String s1, String s2){
+        }
+
+        public void nonStatic(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+        }
+    }
+
+    // -----------------------------------------------------------
+    // Constructors
+    // -----------------------------------------------------------
+
+    /**
+     * Construct a new instance of this test case.
+     *
+     * @param name Name of the test case
+     */
+    public FinderFromClassTestCase(String name) {
+        super(name);
+    }
+
+    // --------------------------------------------------
+    // Overall Test Methods
+    // --------------------------------------------------
+
+    /**
+     * Return the tests included in this test suite.
+     */
+    public static Test suite() {
+        return (new TestSuite(FinderFromClassTestCase.class));
+    }
+
+    // ------------------------------------------------
+    // Individual Test Methods
+    // ------------------------------------------------
+
+    /**
+     * Test what happens when the properties don't have an attribute
+     * that specifies which method to call.
+     */
+    public void testFinderNotMatched() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromClass finder = new FinderFromClass();
+
+        Properties props = new Properties();
+        RuleLoader loader = finder.findLoader(context, DummyPlugin.class, props);
+
+        // Null should have been returned, because the properties didn't
+        // indicate which ruleinfo class to use.
+        assertNull("Loader unexpectedly found", loader);
+    }
+
+    /**
+     * Test the basic functionality of this class, ie what happens when the
+     * properties include an attribute of name "ruleclass" which has the
+     * name of a class with a valid "addRules" method.
+     */
+    public void testFinderMatched() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromClass finder = new FinderFromClass();
+
+        Properties props = new Properties();
+        props.put("ruleclass", DummyRuleInfo1.class.getName());
+        RuleLoader loader = finder.findLoader(context, DummyPlugin.class, props);
+        assertNotNull("No loader found", loader);
+
+        // prepare to add rules
+        context.pushMatchPath("", "foo");
+        context.pushMatchPath("", "bar");
+        String path = context.getMatchPath();
+        assertEquals("Unexpected path", "/foo/bar", path); // paranoia test!
+
+        assertEquals("RuleManager not empty", 0, ruleManager.getActions().size());
+        loader.addRules(context);
+
+        // assert ruleManager has two rules
+        assertEquals("RuleManager has unexpected number of actions",
+            2,
+            ruleManager.getActions().size());
+        assertEquals("Action1 is not of expected type",
+            DummyAction1.class, ruleManager.getActions().get(0).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(1).getClass());
+
+        // check actions returned for various paths
+        List matchingActions = ruleManager.getMatchingActions("/foo");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction1.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/baz");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction2.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/bif");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+    }
+
+    /**
+     * Test what happens when the ruleclass attribute contains the name of
+     * a class that doesn't exist.
+     */
+    public void testNoSuchRuleClass() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromClass finder = new FinderFromClass();
+        Properties props = new Properties();
+        RuleLoader loader;
+
+        loader = finder.findLoader(context, DummyPlugin.class, props);
+    }
+
+    /**
+     * Test that an exception occurs if the specified method does not exist.
+     */
+    public void testNoSuchMethod() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromClass finder = new FinderFromClass();
+
+        Properties props = new Properties();
+        props.put("ruleclass", DummyRuleInfo1.class.getName());
+        props.put("method", "noSuchMethod");
+        try {
+            RuleLoader loader = finder.findLoader(context, DummyPlugin.class, props);
+            fail("No exception thrown when target method does not exist");
+        } catch(PluginException ex) {
+            // ok, expected
+        }
+    }
+
+    /**
+     * Test the ability to use alternative names for the xml attributes
+     * that specify class and method.
+     */
+    public void testNonDefaultAttributes() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromClass finder = new FinderFromClass(
+            "the-rules", "the-method", "dfltAddRules");
+
+        Properties props = new Properties();
+        props.put("the-rules", DummyRuleInfo2.class.getName());
+        props.put("the-method", "doRules");
+        RuleLoader loader = finder.findLoader(context, DummyPlugin.class, props);
+        assertNotNull("No loader found", loader);
+
+        // prepare to add rules
+        context.pushMatchPath("", "foo");
+        context.pushMatchPath("", "bar");
+        String path = context.getMatchPath();
+        assertEquals("Unexpected path", "/foo/bar", path); // paranoia test!
+
+        assertEquals("RuleManager not empty", 0, ruleManager.getActions().size());
+        loader.addRules(context);
+
+        // assert ruleManager has two rules
+        assertEquals("RuleManager has unexpected number of actions",
+            2,
+            ruleManager.getActions().size());
+        assertEquals("Action1 is not of expected type",
+            DummyAction1.class, ruleManager.getActions().get(0).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(1).getClass());
+
+        // check actions returned for various paths
+        List matchingActions = ruleManager.getMatchingActions("/foo");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction1.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/baz");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction2.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/bif");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+    }
+
+    /**
+     * Test what happens when the user has specified a custom default
+     * method name.
+     */
+    public void testAlternativeDefaultMethodName() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromClass finder = new FinderFromClass(
+            "the-rules", "the-method", "doRules");
+
+        Properties props = new Properties();
+        props.put("the-rules", DummyRuleInfo2.class.getName());
+        // deliberately don't add any xml attribute of name "the-method",
+        // so the default gets used.
+        RuleLoader loader = finder.findLoader(context, DummyPlugin.class, props);
+        assertNotNull("No loader found", loader);
+
+        // prepare to add rules
+        context.pushMatchPath("", "foo");
+        context.pushMatchPath("", "bar");
+        String path = context.getMatchPath();
+        assertEquals("Unexpected path", "/foo/bar", path); // paranoia test!
+
+        assertEquals("RuleManager not empty", 0, ruleManager.getActions().size());
+        loader.addRules(context);
+
+        // assert ruleManager has two rules
+        assertEquals("RuleManager has unexpected number of actions",
+            2,
+            ruleManager.getActions().size());
+        assertEquals("Action1 is not of expected type",
+            DummyAction1.class, ruleManager.getActions().get(0).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(1).getClass());
+
+        // check actions returned for various paths
+        List matchingActions = ruleManager.getMatchingActions("/foo");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction1.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/baz");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction2.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/bif");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+    }
+
+    /**
+     * Test that an exception occurs if the specified method is not static.
+     */
+    public void testNonStaticMethod() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromClass finder = new FinderFromClass();
+
+        Properties props = new Properties();
+        props.put("ruleclass", DummyRuleInfo3.class.getName());
+
+        try {
+            RuleLoader loader = finder.findLoader(context, DummyPlugin.class, props);
+            fail("No exception thrown when target method is not static");
+        } catch(PluginException ex) {
+            // ok, expected
+        }
+    }
+}

Propchange: jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromClassTestCase.java
------------------------------------------------------------------------------
    svn:keywords = Id

Added: jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltClassTestCase.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltClassTestCase.java?view=auto&rev=154660
==============================================================================
--- jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltClassTestCase.java
(added)
+++ jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltClassTestCase.java
Mon Feb 21 01:52:37 2005
@@ -0,0 +1,223 @@
+/* $Id$
+ *
+ * Copyright 2005 The Apache Software Foundation.
+ *
+ * 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.apache.commons.digester2.plugins.strategies;
+
+import java.util.List;
+import java.util.Properties;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+import org.apache.commons.digester2.*;
+import org.apache.commons.digester2.actions.*;
+import org.apache.commons.digester2.plugins.*;
+
+/**
+ * Test cases for FinderFromDfltClass behaviour.
+ */
+
+public class FinderFromDfltClassTestCase extends TestCase {
+    // -----------------------------------------------------------
+    // Helper classes
+    // -----------------------------------------------------------
+
+    public static class DummyAction extends AbstractAction {
+    }
+
+    public static class DummyAction1 extends DummyAction {
+    }
+
+    public static class DummyAction2 extends DummyAction {
+    }
+
+    public static class DummyPlugin1 {
+    }
+    
+    public static class DummyPlugin2 {
+    }
+    
+    public static class DummyPlugin1RuleInfo {
+        public static void addRules(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+        }
+    }
+
+    public static class DummyPlugin1Rules {
+        public static void doRules(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+            rm.addRule(pathPrefix + "/rum", new DummyAction2());
+        }
+    }
+
+    // -----------------------------------------------------------
+    // Constructors
+    // -----------------------------------------------------------
+
+    /**
+     * Construct a new instance of this test case.
+     *
+     * @param name Name of the test case
+     */
+    public FinderFromDfltClassTestCase(String name) {
+        super(name);
+    }
+
+    // --------------------------------------------------
+    // Overall Test Methods
+    // --------------------------------------------------
+
+    /**
+     * Return the tests included in this test suite.
+     */
+    public static Test suite() {
+        return (new TestSuite(FinderFromDfltClassTestCase.class));
+    }
+
+    // ------------------------------------------------
+    // Individual Test Methods
+    // ------------------------------------------------
+
+    /**
+     * Test the basic functionality of this class, ie what happens when there
+     * exists a class with name of plugin-class-name + "RuleInfo".
+     */
+    public void testFinderMatched() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromDfltClass finder = new FinderFromDfltClass();
+
+        Class pluginClass = DummyPlugin1.class;
+        Properties props = new Properties();
+        RuleLoader loader = finder.findLoader(context, pluginClass, props);
+        assertNotNull("No loader found", loader);
+
+        // prepare to add rules
+        context.pushMatchPath("", "foo");
+        context.pushMatchPath("", "bar");
+        String path = context.getMatchPath();
+        assertEquals("Unexpected path", "/foo/bar", path); // paranoia test!
+
+        assertEquals("RuleManager not empty", 0, ruleManager.getActions().size());
+        loader.addRules(context);
+
+        // assert ruleManager has two rules
+        assertEquals("RuleManager has unexpected number of actions",
+            2,
+            ruleManager.getActions().size());
+        assertEquals("Action1 is not of expected type",
+            DummyAction1.class, ruleManager.getActions().get(0).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(1).getClass());
+
+        // check actions returned for various paths
+        List matchingActions = ruleManager.getMatchingActions("/foo");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction1.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/baz");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction2.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/bif");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+    }
+
+    /**
+     * Test what happens when there is no class with name equal to the
+     * plugin-class-name + "RuleInfo".
+     */
+    public void testFinderNotMatched() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromDfltClass finder = new FinderFromDfltClass();
+        Properties props = new Properties();
+
+        // No loader should be returned for DummyPlugin2 because that class
+        // doesn't have a method of name "addRules".
+        RuleLoader loader = finder.findLoader(context, DummyPlugin2.class, props);
+        assertNull("Loader unexpectedly found", loader);
+    }
+
+    /**
+     * Test the ability to configure the suffix and method name.
+     */
+    public void testNonDefaultNames() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromDfltClass finder = new FinderFromDfltClass("Rules", "doRules");
+
+        Class pluginClass = DummyPlugin1.class;
+        Properties props = new Properties();
+        RuleLoader loader = finder.findLoader(context, pluginClass, props);
+        assertNotNull("No loader found", loader);
+
+        // prepare to add rules
+        context.pushMatchPath("", "foo");
+        context.pushMatchPath("", "bar");
+        String path = context.getMatchPath();
+        assertEquals("Unexpected path", "/foo/bar", path); // paranoia test!
+
+        assertEquals("RuleManager not empty", 0, ruleManager.getActions().size());
+        loader.addRules(context);
+
+        // assert ruleManager has two rules
+        assertEquals("RuleManager has unexpected number of actions",
+            3,
+            ruleManager.getActions().size());
+        assertEquals("Action1 is not of expected type",
+            DummyAction1.class, ruleManager.getActions().get(0).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(1).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(2).getClass());
+
+        // check actions returned for various paths
+        List matchingActions = ruleManager.getMatchingActions("/foo");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction1.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/baz");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction2.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/bif");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+    }
+}

Propchange: jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltClassTestCase.java
------------------------------------------------------------------------------
    svn:keywords = Id

Added: jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltMethodTestCase.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltMethodTestCase.java?view=auto&rev=154660
==============================================================================
--- jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltMethodTestCase.java
(added)
+++ jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltMethodTestCase.java
Mon Feb 21 01:52:37 2005
@@ -0,0 +1,264 @@
+/* $Id$
+ *
+ * Copyright 2005 The Apache Software Foundation.
+ *
+ * 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.apache.commons.digester2.plugins.strategies;
+
+import java.util.List;
+import java.util.Properties;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+import org.apache.commons.digester2.*;
+import org.apache.commons.digester2.actions.*;
+import org.apache.commons.digester2.plugins.*;
+
+/**
+ * Test cases for FinderFromDfltMethod behaviour.
+ */
+
+public class FinderFromDfltMethodTestCase extends TestCase {
+    // -----------------------------------------------------------
+    // Helper classes
+    // -----------------------------------------------------------
+
+    public static class DummyAction extends AbstractAction {
+    }
+
+    public static class DummyAction1 extends DummyAction {
+    }
+
+    public static class DummyAction2 extends DummyAction {
+    }
+
+    public static class DummyPlugin1 {
+        public static void addRules(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+        }
+    }
+
+    public static class DummyPlugin2 {
+        public static void doRules(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+        }
+    }
+
+    public static class DummyPlugin3 {
+        public static void addRules(String s1, String s2){
+        }
+
+        public void nonStatic(RuleManager rm, String pathPrefix)
+        throws InvalidRuleException {
+            rm.addRule(pathPrefix, new DummyAction1());
+            rm.addRule(pathPrefix + "/baz", new DummyAction2());
+        }
+    }
+
+    // -----------------------------------------------------------
+    // Constructors
+    // -----------------------------------------------------------
+
+    /**
+     * Construct a new instance of this test case.
+     *
+     * @param name Name of the test case
+     */
+    public FinderFromDfltMethodTestCase(String name) {
+        super(name);
+    }
+
+    // --------------------------------------------------
+    // Overall Test Methods
+    // --------------------------------------------------
+
+    /**
+     * Return the tests included in this test suite.
+     */
+    public static Test suite() {
+        return (new TestSuite(FinderFromDfltMethodTestCase.class));
+    }
+
+    // ------------------------------------------------
+    // Individual Test Methods
+    // ------------------------------------------------
+
+    /**
+     * Test the basic functionality of this class, ie what happens when the
+     * plugin class does have a method of the default name ("addRules").
+     */
+    public void testFinderMatched() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromDfltMethod finder = new FinderFromDfltMethod();
+
+        Class pluginClass = DummyPlugin1.class;
+        Properties props = new Properties();
+        RuleLoader loader = finder.findLoader(context, pluginClass, props);
+        assertNotNull("No loader found", loader);
+
+        // prepare to add rules
+        context.pushMatchPath("", "foo");
+        context.pushMatchPath("", "bar");
+        String path = context.getMatchPath();
+        assertEquals("Unexpected path", "/foo/bar", path); // paranoia test!
+
+        assertEquals("RuleManager not empty", 0, ruleManager.getActions().size());
+        loader.addRules(context);
+
+        // assert ruleManager has two rules
+        assertEquals("RuleManager has unexpected number of actions",
+            2,
+            ruleManager.getActions().size());
+        assertEquals("Action1 is not of expected type",
+            DummyAction1.class, ruleManager.getActions().get(0).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(1).getClass());
+
+        // check actions returned for various paths
+        List matchingActions = ruleManager.getMatchingActions("/foo");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction1.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/baz");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction2.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/bif");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+    }
+
+    /**
+     * Test what happens when the plugin class doesn't have a method of
+     * the default name ("addRules"), or has a method with that name but
+     * unexpected parameter types.
+     */
+    public void testFinderNotMatched() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromDfltMethod finder = new FinderFromDfltMethod();
+        Properties props = new Properties();
+        RuleLoader loader;
+
+        // No loader should be returned for DummyPlugin2 because that class
+        // doesn't have a method of name "addRules".
+        loader = finder.findLoader(
+            context,
+            DummyPlugin2.class,
+            props);
+        assertNull("Loader unexpectedly found", loader);
+
+        // No loader should be returned for DummyPlugin3 because the
+        // addRules method does not have the correct parameter types..
+        loader = finder.findLoader(
+            context,
+            DummyPlugin3.class,
+            props);
+        assertNull("Loader unexpectedly found", loader);
+    }
+
+    /**
+     * Test the ability to configure the attribute that specifies what
+     * method to call.
+     */
+    public void testNonDefaultAttribute() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromDfltMethod finder = new FinderFromDfltMethod("doRules");
+
+        Class pluginClass = DummyPlugin2.class;
+        Properties props = new Properties();
+        RuleLoader loader = finder.findLoader(context, pluginClass, props);
+        assertNotNull("No loader found", loader);
+
+        // prepare to add rules
+        context.pushMatchPath("", "foo");
+        context.pushMatchPath("", "bar");
+        String path = context.getMatchPath();
+        assertEquals("Unexpected path", "/foo/bar", path); // paranoia test!
+
+        assertEquals("RuleManager not empty", 0, ruleManager.getActions().size());
+        loader.addRules(context);
+
+        // assert ruleManager has two rules
+        assertEquals("RuleManager has unexpected number of actions",
+            2,
+            ruleManager.getActions().size());
+        assertEquals("Action1 is not of expected type",
+            DummyAction1.class, ruleManager.getActions().get(0).getClass());
+        assertEquals("Action2 is not of expected type",
+            DummyAction2.class, ruleManager.getActions().get(1).getClass());
+
+        // check actions returned for various paths
+        List matchingActions = ruleManager.getMatchingActions("/foo");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction1.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/baz");
+        assertEquals("Unexpected actions", 1, matchingActions.size());
+        assertEquals("Unexpected action type",
+            DummyAction2.class, matchingActions.get(0).getClass());
+        matchingActions = ruleManager.getMatchingActions("/foo/bar/bif");
+        assertEquals("Unexpected actions", 0, matchingActions.size());
+    }
+
+    /**
+     * Test that an exception occurs if the specified method is not static.
+     */
+    public void testNonStaticMethod() throws Exception {
+        SAXHandler saxHandler = new SAXHandler();
+        RuleManager ruleManager = saxHandler.getRuleManager();
+        Context context = new Context(
+            saxHandler, saxHandler.getLogger(),
+            null, ruleManager);
+
+        FinderFromDfltMethod finder = new FinderFromDfltMethod("nonStatic");
+
+        Class pluginClass = DummyPlugin3.class;
+        Properties props = new Properties();
+        RuleLoader loader = finder.findLoader(context, pluginClass, props);
+        assertNotNull("No loader found", loader);
+
+        try {
+            loader.addRules(context);
+            fail("Exception not thrown for non-static method");
+        } catch(PluginException ex) {
+            // ok, expected
+        }
+    }
+}

Propchange: jakarta/commons/proper/digester/branches/digester2/src/test/org/apache/commons/digester2/plugins/strategies/FinderFromDfltMethodTestCase.java
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