Implementing new StubInterceptorBuilder functionality.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/proxy/branches/version-2.0-work@1508275 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/InterceptorUtils.java b/core/src/main/java/org/apache/commons/proxy2/interceptor/InterceptorUtils.java
index c04b093..99db083 100644
--- a/core/src/main/java/org/apache/commons/proxy2/interceptor/InterceptorUtils.java
+++ b/core/src/main/java/org/apache/commons/proxy2/interceptor/InterceptorUtils.java
@@ -18,6 +18,7 @@
package org.apache.commons.proxy2.interceptor;
import org.apache.commons.proxy2.Interceptor;
+import org.apache.commons.proxy2.ObjectProvider;
import org.apache.commons.proxy2.provider.ObjectProviderUtils;
public final class InterceptorUtils
@@ -31,6 +32,11 @@
return new ObjectProviderInterceptor(ObjectProviderUtils.constant(value));
}
+ public static Interceptor provider(ObjectProvider<?> provider)
+ {
+ return new ObjectProviderInterceptor(provider);
+ }
+
//----------------------------------------------------------------------------------------------------------------------
// Constructors
//----------------------------------------------------------------------------------------------------------------------
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/SwitchInterceptor.java b/core/src/main/java/org/apache/commons/proxy2/interceptor/SwitchInterceptor.java
index fe7eff5..9ecd078 100644
--- a/core/src/main/java/org/apache/commons/proxy2/interceptor/SwitchInterceptor.java
+++ b/core/src/main/java/org/apache/commons/proxy2/interceptor/SwitchInterceptor.java
@@ -21,13 +21,14 @@
import org.apache.commons.lang3.tuple.Pair;
import org.apache.commons.proxy2.Interceptor;
import org.apache.commons.proxy2.Invocation;
+import org.apache.commons.proxy2.interceptor.matcher.InvocationMatcher;
import java.io.Serializable;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
/**
- * A {@link SwitchInterceptor} maintains a list of {@link InvocationMatcher}/{@link Interceptor} pairs. Each
+ * A {@link SwitchInterceptor} maintains a list of {@link org.apache.commons.proxy2.interceptor.matcher.InvocationMatcher}/{@link Interceptor} pairs. Each
* invocation will be checked against the registered InvocationMatchers. If one matches the current invocation, then
* the corresponding Interceptor will be called. If no InvocationMatchers match, then the invocation will merely
* {@link org.apache.commons.proxy2.Invocation#proceed()} method is called.
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/ArgumentMatcher.java
similarity index 75%
copy from core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java
copy to core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/ArgumentMatcher.java
index 14f97a2..f7a33e8 100644
--- a/core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java
+++ b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/ArgumentMatcher.java
@@ -15,19 +15,13 @@
* limitations under the License.
*/
-package org.apache.commons.proxy2.interceptor;
+package org.apache.commons.proxy2.interceptor.matcher;
-import org.apache.commons.proxy2.Invocation;
-
-/**
- * An {@link InvocationMatcher} is used to conditionally match {@link Invocation} objects based on
- * some criteria such as method name, parameter values, etc.
- */
-public interface InvocationMatcher
+public interface ArgumentMatcher
{
//----------------------------------------------------------------------------------------------------------------------
// Other Methods
//----------------------------------------------------------------------------------------------------------------------
- boolean matches(Invocation invocation);
+ boolean matches(Object argument);
}
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/InvocationMatcher.java
similarity index 95%
rename from core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java
rename to core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/InvocationMatcher.java
index 14f97a2..a439b01 100644
--- a/core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java
+++ b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/InvocationMatcher.java
@@ -15,7 +15,7 @@
* limitations under the License.
*/
-package org.apache.commons.proxy2.interceptor;
+package org.apache.commons.proxy2.interceptor.matcher;
import org.apache.commons.proxy2.Invocation;
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/argument/ArgumentMatcherUtils.java b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/argument/ArgumentMatcherUtils.java
new file mode 100644
index 0000000..d9888df
--- /dev/null
+++ b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/argument/ArgumentMatcherUtils.java
@@ -0,0 +1,47 @@
+package org.apache.commons.proxy2.interceptor.matcher.argument;
+
+import org.apache.commons.lang3.ObjectUtils;
+import org.apache.commons.proxy2.interceptor.matcher.ArgumentMatcher;
+
+public class ArgumentMatcherUtils
+{
+//----------------------------------------------------------------------------------------------------------------------
+// Static Methods
+//----------------------------------------------------------------------------------------------------------------------
+
+ public static ArgumentMatcher any()
+ {
+ return new ArgumentMatcher()
+ {
+ @Override
+ public boolean matches(Object argument)
+ {
+ return true;
+ }
+ };
+ }
+
+ public static ArgumentMatcher eq(final Object value)
+ {
+ return new ArgumentMatcher()
+ {
+ @Override
+ public boolean matches(Object argument)
+ {
+ return ObjectUtils.equals(argument, value);
+ }
+ };
+ }
+
+ public static ArgumentMatcher isInstance(final Class<?> type)
+ {
+ return new ArgumentMatcher()
+ {
+ @Override
+ public boolean matches(Object argument)
+ {
+ return type.isInstance(argument);
+ }
+ };
+ }
+}
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/MethodNameMatcher.java b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/invocation/MethodNameMatcher.java
similarity index 93%
rename from core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/MethodNameMatcher.java
rename to core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/invocation/MethodNameMatcher.java
index 64afaba..7eaa7ef 100644
--- a/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/MethodNameMatcher.java
+++ b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/invocation/MethodNameMatcher.java
@@ -15,10 +15,10 @@
* limitations under the License.
*/
-package org.apache.commons.proxy2.interceptor.matcher;
+package org.apache.commons.proxy2.interceptor.matcher.invocation;
import org.apache.commons.proxy2.Invocation;
-import org.apache.commons.proxy2.interceptor.InvocationMatcher;
+import org.apache.commons.proxy2.interceptor.matcher.InvocationMatcher;
/**
* A {@link MethodNameMatcher} simply checks to see that the method name of the invocation matches the target method
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/ReturnTypeMatcher.java b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/invocation/ReturnTypeMatcher.java
similarity index 94%
rename from core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/ReturnTypeMatcher.java
rename to core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/invocation/ReturnTypeMatcher.java
index ad4cb93..9b7d743 100644
--- a/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/ReturnTypeMatcher.java
+++ b/core/src/main/java/org/apache/commons/proxy2/interceptor/matcher/invocation/ReturnTypeMatcher.java
@@ -15,10 +15,10 @@
* limitations under the License.
*/
-package org.apache.commons.proxy2.interceptor.matcher;
+package org.apache.commons.proxy2.interceptor.matcher.invocation;
import org.apache.commons.proxy2.Invocation;
-import org.apache.commons.proxy2.interceptor.InvocationMatcher;
+import org.apache.commons.proxy2.interceptor.matcher.InvocationMatcher;
public class ReturnTypeMatcher implements InvocationMatcher
{
diff --git a/core/src/test/java/org/apache/commons/proxy2/interceptor/TestSwitchInterceptor.java b/core/src/test/java/org/apache/commons/proxy2/interceptor/TestSwitchInterceptor.java
index cbfee3f..5007a08 100644
--- a/core/src/test/java/org/apache/commons/proxy2/interceptor/TestSwitchInterceptor.java
+++ b/core/src/test/java/org/apache/commons/proxy2/interceptor/TestSwitchInterceptor.java
@@ -18,7 +18,7 @@
package org.apache.commons.proxy2.interceptor;
import org.apache.commons.proxy2.Invocation;
-import org.apache.commons.proxy2.interceptor.matcher.MethodNameMatcher;
+import org.apache.commons.proxy2.interceptor.matcher.invocation.MethodNameMatcher;
import org.apache.commons.proxy2.util.AbstractTestCase;
import org.apache.commons.proxy2.util.Echo;
import org.apache.commons.proxy2.util.MockInvocation;
diff --git a/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestMethodNameMatcher.java b/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestMethodNameMatcher.java
index 8922c51..b1aee66 100644
--- a/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestMethodNameMatcher.java
+++ b/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestMethodNameMatcher.java
@@ -17,6 +17,7 @@
package org.apache.commons.proxy2.interceptor.matcher;
+import org.apache.commons.proxy2.interceptor.matcher.invocation.MethodNameMatcher;
import org.apache.commons.proxy2.util.AbstractTestCase;
import org.apache.commons.proxy2.util.Echo;
import org.apache.commons.proxy2.util.MockInvocation;
diff --git a/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestReturnTypeMatcher.java b/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestReturnTypeMatcher.java
index 9c9cbbd..0eb4380 100644
--- a/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestReturnTypeMatcher.java
+++ b/core/src/test/java/org/apache/commons/proxy2/interceptor/matcher/TestReturnTypeMatcher.java
@@ -18,7 +18,7 @@
package org.apache.commons.proxy2.interceptor.matcher;
import org.apache.commons.proxy2.Invocation;
-import org.apache.commons.proxy2.interceptor.InvocationMatcher;
+import org.apache.commons.proxy2.interceptor.matcher.invocation.ReturnTypeMatcher;
import org.apache.commons.proxy2.util.AbstractTestCase;
import org.apache.commons.proxy2.util.Echo;
import org.apache.commons.proxy2.util.MockInvocation;
diff --git a/stub/src/main/java/org/apache/commons/proxy2/stub/Behavior.java b/stub/src/main/java/org/apache/commons/proxy2/stub/Behavior.java
new file mode 100644
index 0000000..6e45552
--- /dev/null
+++ b/stub/src/main/java/org/apache/commons/proxy2/stub/Behavior.java
@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.proxy2.stub;
+
+import org.apache.commons.proxy2.ObjectProvider;
+import org.apache.commons.proxy2.interceptor.InterceptorUtils;
+import org.apache.commons.proxy2.interceptor.matcher.ArgumentMatcher;
+import org.apache.commons.proxy2.interceptor.matcher.argument.ArgumentMatcherUtils;
+
+public abstract class Behavior<T>
+{
+//----------------------------------------------------------------------------------------------------------------------
+// Fields
+//----------------------------------------------------------------------------------------------------------------------
+
+ private TrainingContext trainingContext;
+
+//----------------------------------------------------------------------------------------------------------------------
+// Abstract Methods
+//----------------------------------------------------------------------------------------------------------------------
+
+ protected abstract void train(T stub);
+
+//----------------------------------------------------------------------------------------------------------------------
+// Other Methods
+//----------------------------------------------------------------------------------------------------------------------
+
+ protected <R> R any()
+ {
+ recordArgumentMatcher(ArgumentMatcherUtils.any());
+ return null;
+ }
+
+ private void recordArgumentMatcher(ArgumentMatcher matcher)
+ {
+ trainingContext.addArgumentMatcher(matcher);
+ }
+
+ protected <R> R eq(R value)
+ {
+ recordArgumentMatcher(ArgumentMatcherUtils.eq(value));
+ return null;
+ }
+
+ protected <R> R isInstance(Class<R> type)
+ {
+ recordArgumentMatcher(ArgumentMatcherUtils.isInstance(type));
+ return null;
+ }
+
+ void train(TrainingContext context, T stub)
+ {
+ this.trainingContext = context;
+ train(stub);
+ }
+
+ protected <R> When<R> when(R expression)
+ {
+ return new When();
+ }
+
+//----------------------------------------------------------------------------------------------------------------------
+// Inner Classes
+//----------------------------------------------------------------------------------------------------------------------
+
+ protected class When<R>
+ {
+ protected Behavior<T> thenReturn(R value)
+ {
+ trainingContext.setInterceptor(InterceptorUtils.constant(value));
+ return Behavior.this;
+ }
+
+ protected Behavior<T> thenReturn(ObjectProvider<R> provider)
+ {
+ trainingContext.setInterceptor(InterceptorUtils.provider(provider));
+ return Behavior.this;
+ }
+ }
+}
diff --git a/stub/src/main/java/org/apache/commons/proxy2/stub/StubInterceptorBuilder.java b/stub/src/main/java/org/apache/commons/proxy2/stub/StubInterceptorBuilder.java
new file mode 100644
index 0000000..af0e64e
--- /dev/null
+++ b/stub/src/main/java/org/apache/commons/proxy2/stub/StubInterceptorBuilder.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.proxy2.stub;
+
+import org.apache.commons.proxy2.Interceptor;
+import org.apache.commons.proxy2.Invoker;
+import org.apache.commons.proxy2.ProxyFactory;
+import org.apache.commons.proxy2.ProxyUtils;
+import org.apache.commons.proxy2.interceptor.SwitchInterceptor;
+
+import java.lang.reflect.Method;
+
+public class StubInterceptorBuilder
+{
+//----------------------------------------------------------------------------------------------------------------------
+// Fields
+//----------------------------------------------------------------------------------------------------------------------
+
+ private final ProxyFactory proxyFactory;
+ private final SwitchInterceptor interceptor = new SwitchInterceptor();
+
+//----------------------------------------------------------------------------------------------------------------------
+// Constructors
+//----------------------------------------------------------------------------------------------------------------------
+
+ public StubInterceptorBuilder(ProxyFactory proxyFactory)
+ {
+ this.proxyFactory = proxyFactory;
+ }
+
+//----------------------------------------------------------------------------------------------------------------------
+// Other Methods
+//----------------------------------------------------------------------------------------------------------------------
+
+ public Interceptor build()
+ {
+ return interceptor;
+ }
+
+ public <T> StubInterceptorBuilder configure(Class<T> type, Behavior<T> behavior)
+ {
+ final TrainingContext context = new TrainingContext(interceptor);
+ T stub = proxyFactory.createInvokerProxy(new TrainingContextInvoker(context), type);
+ behavior.train(context, stub);
+ return this;
+ }
+
+//----------------------------------------------------------------------------------------------------------------------
+// Inner Classes
+//----------------------------------------------------------------------------------------------------------------------
+
+ private static class TrainingContextInvoker implements Invoker
+ {
+ private final TrainingContext trainingContext;
+
+ private TrainingContextInvoker(TrainingContext trainingContext)
+ {
+ this.trainingContext = trainingContext;
+ }
+
+ @Override
+ public Object invoke(Object proxy, Method method, Object[] arguments) throws Throwable
+ {
+ trainingContext.stubMethodInvoked(method, arguments);
+ return ProxyUtils.nullValue(method.getReturnType());
+ }
+ }
+}
diff --git a/stub/src/main/java/org/apache/commons/proxy2/stub/TrainingContext.java b/stub/src/main/java/org/apache/commons/proxy2/stub/TrainingContext.java
new file mode 100644
index 0000000..ca0e0a7
--- /dev/null
+++ b/stub/src/main/java/org/apache/commons/proxy2/stub/TrainingContext.java
@@ -0,0 +1,151 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.proxy2.stub;
+
+import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.proxy2.Interceptor;
+import org.apache.commons.proxy2.Invocation;
+import org.apache.commons.proxy2.interceptor.SwitchInterceptor;
+import org.apache.commons.proxy2.interceptor.matcher.ArgumentMatcher;
+import org.apache.commons.proxy2.interceptor.matcher.InvocationMatcher;
+import org.apache.commons.proxy2.invoker.RecordedInvocation;
+
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+
+public class TrainingContext
+{
+//----------------------------------------------------------------------------------------------------------------------
+// Fields
+//----------------------------------------------------------------------------------------------------------------------
+
+ private List<ArgumentMatcher> argumentMatchers = new LinkedList<ArgumentMatcher>();
+ private InvocationMatcher matcher;
+ private Interceptor interceptor;
+ private final SwitchInterceptor switchInterceptor;
+
+//----------------------------------------------------------------------------------------------------------------------
+// Constructors
+//----------------------------------------------------------------------------------------------------------------------
+
+ public TrainingContext(SwitchInterceptor switchInterceptor)
+ {
+ this.switchInterceptor = switchInterceptor;
+ }
+
+//----------------------------------------------------------------------------------------------------------------------
+// Other Methods
+//----------------------------------------------------------------------------------------------------------------------
+
+ public void addArgumentMatcher(ArgumentMatcher argumentMatcher)
+ {
+ argumentMatchers.add(argumentMatcher);
+ }
+
+ public void setInterceptor(Interceptor interceptor)
+ {
+ this.interceptor = interceptor;
+ addCase();
+ }
+
+ private void addCase()
+ {
+ if (matcher != null && interceptor != null)
+ {
+ switchInterceptor.when(matcher).then(interceptor);
+ matcher = null;
+ interceptor = null;
+ argumentMatchers.clear();
+ }
+ }
+
+ public void stubMethodInvoked(Method method, Object[] arguments)
+ {
+ final ArgumentMatcher[] matchersArray = argumentMatchers.toArray(new ArgumentMatcher[argumentMatchers.size()]);
+ argumentMatchers.clear();
+ final RecordedInvocation invocation = new RecordedInvocation(method, arguments);
+ if (ArrayUtils.isEmpty(matchersArray))
+ {
+ this.matcher = new ExactArgumentsMatcher(invocation);
+ }
+ else if (matchersArray.length == arguments.length)
+ {
+ this.matcher = new ArgumentMatchersMatcher(invocation, matchersArray);
+ }
+ else
+ {
+ throw new IllegalStateException("Either use exact arguments or argument matchers, but not both.");
+ }
+ addCase();
+ }
+
+//----------------------------------------------------------------------------------------------------------------------
+// Inner Classes
+//----------------------------------------------------------------------------------------------------------------------
+
+ private static class ArgumentMatchersMatcher implements InvocationMatcher
+ {
+ private final RecordedInvocation recordedInvocation;
+ private final ArgumentMatcher[] matchers;
+
+ private ArgumentMatchersMatcher(RecordedInvocation recordedInvocation, ArgumentMatcher[] matchers)
+ {
+ this.recordedInvocation = recordedInvocation;
+ this.matchers = matchers;
+ }
+
+ @Override
+ public boolean matches(Invocation invocation)
+ {
+ return invocation.getMethod().equals(recordedInvocation.getInvokedMethod()) &&
+ allArgumentsMatch(invocation.getArguments());
+ }
+
+ private boolean allArgumentsMatch(Object[] arguments)
+ {
+ for (int i = 0; i < arguments.length; i++)
+ {
+ Object argument = arguments[i];
+ if (!matchers[i].matches(argument))
+ {
+ return false;
+ }
+ }
+ return true;
+ }
+ }
+
+ private static class ExactArgumentsMatcher implements InvocationMatcher
+ {
+ private final RecordedInvocation recordedInvocation;
+
+ private ExactArgumentsMatcher(RecordedInvocation recordedInvocation)
+ {
+ this.recordedInvocation = recordedInvocation;
+ }
+
+ @Override
+ public boolean matches(Invocation invocation)
+ {
+ return invocation.getMethod().equals(recordedInvocation.getInvokedMethod()) &&
+ Arrays.equals(invocation.getArguments(), recordedInvocation.getArguments());
+ }
+ }
+}
diff --git a/core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java b/stub/src/test/java/org/apache/commons/proxy2/stub/StubInterface.java
similarity index 75%
copy from core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java
copy to stub/src/test/java/org/apache/commons/proxy2/stub/StubInterface.java
index 14f97a2..5d8fae5 100644
--- a/core/src/main/java/org/apache/commons/proxy2/interceptor/InvocationMatcher.java
+++ b/stub/src/test/java/org/apache/commons/proxy2/stub/StubInterface.java
@@ -15,19 +15,15 @@
* limitations under the License.
*/
-package org.apache.commons.proxy2.interceptor;
+package org.apache.commons.proxy2.stub;
-import org.apache.commons.proxy2.Invocation;
-
-/**
- * An {@link InvocationMatcher} is used to conditionally match {@link Invocation} objects based on
- * some criteria such as method name, parameter values, etc.
- */
-public interface InvocationMatcher
+public interface StubInterface
{
//----------------------------------------------------------------------------------------------------------------------
// Other Methods
//----------------------------------------------------------------------------------------------------------------------
- boolean matches(Invocation invocation);
+ public String one(String value);
+ public String three(String arg1, String arg2);
+ public String two(String value);
}
diff --git a/stub/src/test/java/org/apache/commons/proxy2/stub/TestStubInterceptorBuilder.java b/stub/src/test/java/org/apache/commons/proxy2/stub/TestStubInterceptorBuilder.java
new file mode 100644
index 0000000..983456a
--- /dev/null
+++ b/stub/src/test/java/org/apache/commons/proxy2/stub/TestStubInterceptorBuilder.java
@@ -0,0 +1,136 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.proxy2.stub;
+
+import org.apache.commons.proxy2.Interceptor;
+import org.apache.commons.proxy2.ProxyFactory;
+import org.apache.commons.proxy2.cglib.CglibProxyFactory;
+import org.apache.commons.proxy2.invoker.NullInvoker;
+import org.apache.commons.proxy2.provider.ObjectProviderUtils;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class TestStubInterceptorBuilder
+{
+//----------------------------------------------------------------------------------------------------------------------
+// Fields
+//----------------------------------------------------------------------------------------------------------------------
+
+ private ProxyFactory proxyFactory;
+ private StubInterface target;
+
+//----------------------------------------------------------------------------------------------------------------------
+// Other Methods
+//----------------------------------------------------------------------------------------------------------------------
+
+ @Before
+ public void setUp()
+ {
+ this.proxyFactory = new CglibProxyFactory();
+ this.target = proxyFactory.createInvokerProxy(NullInvoker.INSTANCE, StubInterface.class);
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void testMixingArgumentMatchingStrategies()
+ {
+ StubInterceptorBuilder builder = new StubInterceptorBuilder(proxyFactory);
+ builder.configure(StubInterface.class, new Behavior<StubInterface>()
+ {
+ @Override
+ protected void train(StubInterface stub)
+ {
+ when(stub.three(isInstance(String.class), "World")).thenReturn(ObjectProviderUtils.constant("World"));
+ }
+ });
+ }
+
+ @Test
+ public void testWithArgumentMatchers()
+ {
+ StubInterceptorBuilder builder = new StubInterceptorBuilder(proxyFactory);
+ Interceptor interceptor = builder.configure(StubInterface.class, new Behavior<StubInterface>()
+ {
+ @Override
+ protected void train(StubInterface stub)
+ {
+ when(stub.one(isInstance(String.class))).thenReturn(ObjectProviderUtils.constant("World"));
+ }
+ }).build();
+
+ final StubInterface proxy = proxyFactory.createInterceptorProxy(target, interceptor, StubInterface.class);
+ assertEquals("World", proxy.one("Hello"));
+ assertEquals("World", proxy.one("Whatever"));
+ }
+
+ @Test
+ public void testWithMismatchedArgument()
+ {
+ StubInterceptorBuilder builder = new StubInterceptorBuilder(proxyFactory);
+ Interceptor interceptor = builder.configure(StubInterface.class, new Behavior<StubInterface>()
+ {
+ @Override
+ protected void train(StubInterface stub)
+ {
+ when(stub.one(eq("Hello"))).thenReturn("World");
+ }
+ }).build();
+ final StubInterface proxy = proxyFactory.createInterceptorProxy(target, interceptor, StubInterface.class);
+ assertEquals("World", proxy.one("Hello"));
+ assertEquals(null, proxy.one("Whatever"));
+ }
+
+ @Test
+ public void testWithMultipleMethodsTrained()
+ {
+ StubInterceptorBuilder builder = new StubInterceptorBuilder(proxyFactory);
+ Interceptor interceptor = builder.configure(StubInterface.class, new Behavior<StubInterface>()
+ {
+ @Override
+ protected void train(StubInterface stub)
+ {
+ when(stub.one("Hello")).thenReturn("World");
+ when(stub.two("Foo")).thenReturn("Bar");
+ }
+ }).build();
+
+ final StubInterface proxy = proxyFactory.createInterceptorProxy(target, interceptor, StubInterface.class);
+ assertEquals("World", proxy.one("Hello"));
+ assertEquals("Bar", proxy.two("Foo"));
+ }
+
+ @Test
+ public void testWithSingleMethodTrained()
+ {
+ StubInterceptorBuilder builder = new StubInterceptorBuilder(proxyFactory);
+ Interceptor interceptor = builder.configure(StubInterface.class, new Behavior<StubInterface>()
+ {
+ @Override
+ protected void train(StubInterface stub)
+ {
+ when(stub.one("Hello")).thenReturn("World");
+ }
+ }).build();
+
+ final StubInterface proxy = proxyFactory.createInterceptorProxy(target, interceptor, StubInterface.class);
+ assertEquals("World", proxy.one("Hello"));
+ assertEquals(null, proxy.two("Whatever"));
+ assertEquals(null, proxy.one("Mismatch!"));
+ }
+}
