2.4/user/test/com/google/web/bindery/requestfactory/gwt/rebind/model/RequestFactoryModelTest.java - gwt - Git at Google

 /*
  * Copyright 2010 Google Inc.
  *
  * 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 com.google.web.bindery.requestfactory.gwt.rebind.model;

 import com.google.web.bindery.autobean.shared.Splittable;
 import com.google.gwt.core.ext.TreeLogger;
 import com.google.gwt.core.ext.UnableToCompleteException;
 import com.google.gwt.dev.javac.CompilationState;
 import com.google.gwt.dev.javac.CompilationStateBuilder;
 import com.google.gwt.dev.javac.testing.impl.JavaResourceBase;
 import com.google.gwt.dev.javac.testing.impl.MockJavaResource;
 import com.google.gwt.dev.resource.Resource;
 import com.google.gwt.dev.util.UnitTestTreeLogger;
 import com.google.gwt.dev.util.Util;
 import com.google.gwt.dev.util.log.PrintWriterTreeLogger;
 import com.google.web.bindery.requestfactory.server.TestContextImpl;
 import com.google.web.bindery.requestfactory.shared.EntityProxy;
 import com.google.web.bindery.requestfactory.shared.InstanceRequest;
 import com.google.web.bindery.requestfactory.shared.Locator;
 import com.google.web.bindery.requestfactory.shared.ProxyFor;
 import com.google.web.bindery.requestfactory.shared.Receiver;
 import com.google.web.bindery.requestfactory.shared.Request;
 import com.google.web.bindery.requestfactory.shared.RequestContext;
 import com.google.web.bindery.requestfactory.shared.RequestFactory;
 import com.google.web.bindery.requestfactory.shared.Service;
 import com.google.web.bindery.requestfactory.shared.ServiceLocator;
 import com.google.web.bindery.requestfactory.shared.ValueProxy;

 import junit.framework.TestCase;

 import java.io.InputStream;
 import java.io.PrintWriter;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.SortedSet;

 /**
  * Test case for
  * {@link com.google.web.bindery.requestfactory.gwt.rebind.model.RequestFactoryModel} that
  * uses mock CompilationStates.
  */
 public class RequestFactoryModelTest extends TestCase {

   /**
    * Constructs an empty interface representation of a type.
    */
   private static class EmptyMockJavaResource extends MockJavaResource {

     private final StringBuilder code = new StringBuilder();

     public EmptyMockJavaResource(Class<?> clazz) {
       super(clazz.getName());

       code.append("package ").append(clazz.getPackage().getName()).append(";\n");
       code.append("public interface ").append(clazz.getSimpleName());

       int numParams = clazz.getTypeParameters().length;
       if (numParams != 0) {
         code.append("<");
         for (int i = 0; i < numParams; i++) {
           if (i != 0) {
             code.append(",");
           }
           code.append("T").append(i);
         }
         code.append(">");
       }

       code.append("{}\n");
     }

     @Override
     public CharSequence getContent() {
       return code;
     }
   }

   /**
    * Loads the actual source of a type. This should be used only for types
    * directly tested by this test. Note that use of this class requires your
    * source files to be on your classpath.
    */
   private static class RealJavaResource extends MockJavaResource {

     public RealJavaResource(Class<?> clazz) {
       super(clazz.getName());
     }

     @Override
     public CharSequence getContent() {
       String resourceName = getTypeName().replace('.', '/') + ".java";
       InputStream stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(
           resourceName);
       assertNotNull("Could not open " + resourceName, stream);
       return Util.readStreamAsString(stream);
     }
   }

   private static TreeLogger createCompileLogger() {
     PrintWriterTreeLogger logger = new PrintWriterTreeLogger(new PrintWriter(
         System.err, true));
     logger.setMaxDetail(TreeLogger.ERROR);
     return logger;
   }

   private TreeLogger logger;

   @Override
   public void setUp() throws Exception {
     super.setUp();
     logger = createCompileLogger();
   }

   public void testBadCollectionType() {
     testModelWithMethodDecl(
         "Request<SortedSet<Integer>> badReturnType();",
         "Requests that return collections may be declared with java.util.List or java.util.Set only");
   }

   public void testBadCollectionTypeNotParameterized() {
     testModelWithMethodDecl("Request<SortedSet> badReturnType();",
         "Requests that return collections of List or Set must be parameterized");
   }

   public void testBadReturnType() {
     testModelWithMethodDecl("Request<Iterable> badReturnType();",
         "Invalid Request parameterization java.lang.Iterable");
   }

   public void testDuplicateBooleanGetters() {
     testModelWithMethodDecl("Request<t.ProxyWithRepeatedGetters> method();",
         "Duplicate accessors for property foo: getFoo() and isFoo()");
   }

   public void testMissingProxyFor() {
     testModelWithMethodDeclArgs("Request<TestProxy> okMethodProxy();",
         TestContextImpl.class.getName(), null,
         "The t.TestProxy type does not have a @ProxyFor, "
             + "@ProxyForName, or @JsonRpcProxy annotation");
   }

   public void testMissingService() {
     testModelWithMethodDeclArgs("Request<String> okMethod();", null,
         TestContextImpl.class.getName(),
         "RequestContext subtype t.TestContext is missing a "
             + "@Service or @JsonRpcService annotation");
   }

   public void testModelWithMethodDecl(final String clientMethodDecls,
       String... expected) {
     testModelWithMethodDeclArgs(clientMethodDecls,
         TestContextImpl.class.getName(), TestContextImpl.class.getName(),
         expected);
   }

   public void testModelWithMethodDeclArgs(final String clientMethodDecls,
       final String serviceClass, String proxyClass, String... expected) {
     Set<Resource> javaResources = getJavaResources(proxyClass);
     javaResources.add(new MockJavaResource("t.TestRequestFactory") {
       @Override
       public CharSequence getContent() {
         StringBuilder code = new StringBuilder();
         code.append("package t;\n");
         code.append("import " + RequestFactory.class.getName() + ";\n");
         code.append("interface TestRequestFactory extends RequestFactory {\n");
         code.append("TestContext testContext();");
         code.append("}");
         return code;
       }
     });
     javaResources.add(new MockJavaResource("t.TestContext") {
       @Override
       public CharSequence getContent() {
         StringBuilder code = new StringBuilder();
         code.append("package t;\n");
         code.append("import " + Request.class.getName() + ";\n");
         code.append("import " + InstanceRequest.class.getName() + ";\n");

         code.append("import " + RequestContext.class.getName() + ";\n");
         code.append("import " + SortedSet.class.getName() + ";\n");
         code.append("import " + List.class.getName() + ";\n");
         code.append("import " + Set.class.getName() + ";\n");
         code.append("import " + Service.class.getName() + ";\n");
         code.append("import " + TestContextImpl.class.getName() + ";\n");

         if (serviceClass != null) {
           code.append("@Service(" + serviceClass + ".class)");
         }
         code.append("interface TestContext extends RequestContext {\n");
         code.append(clientMethodDecls);
         code.append("}");
         return code;
       }
     });

     CompilationState state = CompilationStateBuilder.buildFrom(logger,
         javaResources);

     UnitTestTreeLogger.Builder builder = new UnitTestTreeLogger.Builder();
     builder.setLowestLogLevel(TreeLogger.ERROR);
     for (String expectedMsg : expected) {
       builder.expectError(expectedMsg, null);
     }
     builder.expectError(RequestFactoryModel.poisonedMessage(), null);
     UnitTestTreeLogger testLogger = builder.createLogger();
     try {
       new RequestFactoryModel(testLogger, state.getTypeOracle().findType(
           "t.TestRequestFactory"));
       fail("Should have complained");
     } catch (UnableToCompleteException e) {
     }
     testLogger.assertCorrectLogEntries();
   }

   private Set<Resource> getJavaResources(final String proxyClass) {
     MockJavaResource[] javaFiles = {new MockJavaResource("t.AddressProxy") {
       @Override
       public CharSequence getContent() {
         StringBuilder code = new StringBuilder();
         code.append("package t;\n");
         code.append("import " + ProxyFor.class.getName() + ";\n");
         code.append("import " + EntityProxy.class.getName() + ";\n");
         if (proxyClass != null) {
           code.append("@ProxyFor(" + proxyClass + ".class)");
         }
         code.append("interface TestProxy extends EntityProxy {\n");
         code.append("}");
         System.out.println(code);
         return code;
       }
     }, new MockJavaResource("t.ProxyWithRepeatedGetters") {
       @Override
       public CharSequence getContent() {
         StringBuilder code = new StringBuilder();
         code.append("package t;\n");
         code.append("import " + ProxyFor.class.getName() + ";\n");
         code.append("import " + EntityProxy.class.getName() + ";\n");
         if (proxyClass != null) {
           code.append("@ProxyFor(" + proxyClass + ".class)");
         }
         code.append("interface ProxyWithRepeatedGetters extends EntityProxy {\n");
         code.append("  boolean getFoo();");
         code.append("  boolean isFoo();");
         code.append("}");
         return code;
       }
     }, new MockJavaResource("java.util.List") {
         // Tests a Driver interface that extends more than RFED
       @Override
       public CharSequence getContent() {
         StringBuilder code = new StringBuilder();
         code.append("package java.util;\n");
         code.append("public interface List<T> extends Collection<T> {\n");
         code.append("}");
         return code;
       }
     }, new MockJavaResource("java.util.Set") {
         // Tests a Driver interface that extends more than RFED
       @Override
       public CharSequence getContent() {
         StringBuilder code = new StringBuilder();
         code.append("package java.util;\n");
         code.append("public interface Set<T> extends Collection<T> {\n");
         code.append("}");
         return code;
       }
     }, new MockJavaResource("java.util.SortedSet") {
         // Tests a Driver interface that extends more than RFED
       @Override
       public CharSequence getContent() {
         StringBuilder code = new StringBuilder();
         code.append("package java.util;\n");
         code.append("public interface SortedSet<T> extends Set<T> {\n");
         code.append("}");
         return code;
       }
     }};

     Set<Resource> toReturn = new HashSet<Resource>(Arrays.asList(javaFiles));

     toReturn.addAll(Arrays.asList(new Resource[] {
         new EmptyMockJavaResource(Iterable.class),
         new EmptyMockJavaResource(EntityProxy.class),
         new EmptyMockJavaResource(InstanceRequest.class),
         new EmptyMockJavaResource(Locator.class),
         new EmptyMockJavaResource(RequestFactory.class),
         new EmptyMockJavaResource(Receiver.class),
         new EmptyMockJavaResource(ServiceLocator.class),
         new EmptyMockJavaResource(Splittable.class),
         new EmptyMockJavaResource(ValueProxy.class),

         new RealJavaResource(Request.class),
         new RealJavaResource(Service.class),
         new RealJavaResource(ProxyFor.class),
         new EmptyMockJavaResource(RequestContext.class),}));
     toReturn.addAll(Arrays.asList(JavaResourceBase.getStandardResources()));
     return toReturn;
   }
 }
	/*
	* Copyright 2010 Google Inc.
	*
	* 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 com.google.web.bindery.requestfactory.gwt.rebind.model;

	import com.google.web.bindery.autobean.shared.Splittable;
	import com.google.gwt.core.ext.TreeLogger;
	import com.google.gwt.core.ext.UnableToCompleteException;
	import com.google.gwt.dev.javac.CompilationState;
	import com.google.gwt.dev.javac.CompilationStateBuilder;
	import com.google.gwt.dev.javac.testing.impl.JavaResourceBase;
	import com.google.gwt.dev.javac.testing.impl.MockJavaResource;
	import com.google.gwt.dev.resource.Resource;
	import com.google.gwt.dev.util.UnitTestTreeLogger;
	import com.google.gwt.dev.util.Util;
	import com.google.gwt.dev.util.log.PrintWriterTreeLogger;
	import com.google.web.bindery.requestfactory.server.TestContextImpl;
	import com.google.web.bindery.requestfactory.shared.EntityProxy;
	import com.google.web.bindery.requestfactory.shared.InstanceRequest;
	import com.google.web.bindery.requestfactory.shared.Locator;
	import com.google.web.bindery.requestfactory.shared.ProxyFor;
	import com.google.web.bindery.requestfactory.shared.Receiver;
	import com.google.web.bindery.requestfactory.shared.Request;
	import com.google.web.bindery.requestfactory.shared.RequestContext;
	import com.google.web.bindery.requestfactory.shared.RequestFactory;
	import com.google.web.bindery.requestfactory.shared.Service;
	import com.google.web.bindery.requestfactory.shared.ServiceLocator;
	import com.google.web.bindery.requestfactory.shared.ValueProxy;

	import junit.framework.TestCase;

	import java.io.InputStream;
	import java.io.PrintWriter;
	import java.util.Arrays;
	import java.util.HashSet;
	import java.util.List;
	import java.util.Set;
	import java.util.SortedSet;

	/**
	* Test case for
	* {@link com.google.web.bindery.requestfactory.gwt.rebind.model.RequestFactoryModel} that
	* uses mock CompilationStates.
	*/
	public class RequestFactoryModelTest extends TestCase {

	/**
	* Constructs an empty interface representation of a type.
	*/
	private static class EmptyMockJavaResource extends MockJavaResource {

	private final StringBuilder code = new StringBuilder();

	public EmptyMockJavaResource(Class<?> clazz) {
	super(clazz.getName());

	code.append("package ").append(clazz.getPackage().getName()).append(";\n");
	code.append("public interface ").append(clazz.getSimpleName());

	int numParams = clazz.getTypeParameters().length;
	if (numParams != 0) {
	code.append("<");
	for (int i = 0; i < numParams; i++) {
	if (i != 0) {
	code.append(",");
	}
	code.append("T").append(i);
	}
	code.append(">");
	}

	code.append("{}\n");
	}

	@Override
	public CharSequence getContent() {
	return code;
	}
	}

	/**
	* Loads the actual source of a type. This should be used only for types
	* directly tested by this test. Note that use of this class requires your
	* source files to be on your classpath.
	*/
	private static class RealJavaResource extends MockJavaResource {

	public RealJavaResource(Class<?> clazz) {
	super(clazz.getName());
	}

	@Override
	public CharSequence getContent() {
	String resourceName = getTypeName().replace('.', '/') + ".java";
	InputStream stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(
	resourceName);
	assertNotNull("Could not open " + resourceName, stream);
	return Util.readStreamAsString(stream);
	}
	}

	private static TreeLogger createCompileLogger() {
	PrintWriterTreeLogger logger = new PrintWriterTreeLogger(new PrintWriter(
	System.err, true));
	logger.setMaxDetail(TreeLogger.ERROR);
	return logger;
	}

	private TreeLogger logger;

	@Override
	public void setUp() throws Exception {
	super.setUp();
	logger = createCompileLogger();
	}

	public void testBadCollectionType() {
	testModelWithMethodDecl(
	"Request<SortedSet<Integer>> badReturnType();",
	"Requests that return collections may be declared with java.util.List or java.util.Set only");
	}

	public void testBadCollectionTypeNotParameterized() {
	testModelWithMethodDecl("Request<SortedSet> badReturnType();",
	"Requests that return collections of List or Set must be parameterized");
	}

	public void testBadReturnType() {
	testModelWithMethodDecl("Request<Iterable> badReturnType();",
	"Invalid Request parameterization java.lang.Iterable");
	}

	public void testDuplicateBooleanGetters() {
	testModelWithMethodDecl("Request<t.ProxyWithRepeatedGetters> method();",
	"Duplicate accessors for property foo: getFoo() and isFoo()");
	}

	public void testMissingProxyFor() {
	testModelWithMethodDeclArgs("Request<TestProxy> okMethodProxy();",
	TestContextImpl.class.getName(), null,
	"The t.TestProxy type does not have a @ProxyFor, "
	+ "@ProxyForName, or @JsonRpcProxy annotation");
	}

	public void testMissingService() {
	testModelWithMethodDeclArgs("Request<String> okMethod();", null,
	TestContextImpl.class.getName(),
	"RequestContext subtype t.TestContext is missing a "
	+ "@Service or @JsonRpcService annotation");
	}

	public void testModelWithMethodDecl(final String clientMethodDecls,
	String... expected) {
	testModelWithMethodDeclArgs(clientMethodDecls,
	TestContextImpl.class.getName(), TestContextImpl.class.getName(),
	expected);
	}

	public void testModelWithMethodDeclArgs(final String clientMethodDecls,
	final String serviceClass, String proxyClass, String... expected) {
	Set<Resource> javaResources = getJavaResources(proxyClass);
	javaResources.add(new MockJavaResource("t.TestRequestFactory") {
	@Override
	public CharSequence getContent() {
	StringBuilder code = new StringBuilder();
	code.append("package t;\n");
	code.append("import " + RequestFactory.class.getName() + ";\n");
	code.append("interface TestRequestFactory extends RequestFactory {\n");
	code.append("TestContext testContext();");
	code.append("}");
	return code;
	}
	});
	javaResources.add(new MockJavaResource("t.TestContext") {
	@Override
	public CharSequence getContent() {
	StringBuilder code = new StringBuilder();
	code.append("package t;\n");
	code.append("import " + Request.class.getName() + ";\n");
	code.append("import " + InstanceRequest.class.getName() + ";\n");

	code.append("import " + RequestContext.class.getName() + ";\n");
	code.append("import " + SortedSet.class.getName() + ";\n");
	code.append("import " + List.class.getName() + ";\n");
	code.append("import " + Set.class.getName() + ";\n");
	code.append("import " + Service.class.getName() + ";\n");
	code.append("import " + TestContextImpl.class.getName() + ";\n");

	if (serviceClass != null) {
	code.append("@Service(" + serviceClass + ".class)");
	}
	code.append("interface TestContext extends RequestContext {\n");
	code.append(clientMethodDecls);
	code.append("}");
	return code;
	}
	});

	CompilationState state = CompilationStateBuilder.buildFrom(logger,
	javaResources);

	UnitTestTreeLogger.Builder builder = new UnitTestTreeLogger.Builder();
	builder.setLowestLogLevel(TreeLogger.ERROR);
	for (String expectedMsg : expected) {
	builder.expectError(expectedMsg, null);
	}
	builder.expectError(RequestFactoryModel.poisonedMessage(), null);
	UnitTestTreeLogger testLogger = builder.createLogger();
	try {
	new RequestFactoryModel(testLogger, state.getTypeOracle().findType(
	"t.TestRequestFactory"));
	fail("Should have complained");
	} catch (UnableToCompleteException e) {
	}
	testLogger.assertCorrectLogEntries();
	}

	private Set<Resource> getJavaResources(final String proxyClass) {
	MockJavaResource[] javaFiles = {new MockJavaResource("t.AddressProxy") {
	@Override
	public CharSequence getContent() {
	StringBuilder code = new StringBuilder();
	code.append("package t;\n");
	code.append("import " + ProxyFor.class.getName() + ";\n");
	code.append("import " + EntityProxy.class.getName() + ";\n");
	if (proxyClass != null) {
	code.append("@ProxyFor(" + proxyClass + ".class)");
	}
	code.append("interface TestProxy extends EntityProxy {\n");
	code.append("}");
	System.out.println(code);
	return code;
	}
	}, new MockJavaResource("t.ProxyWithRepeatedGetters") {
	@Override
	public CharSequence getContent() {
	StringBuilder code = new StringBuilder();
	code.append("package t;\n");
	code.append("import " + ProxyFor.class.getName() + ";\n");
	code.append("import " + EntityProxy.class.getName() + ";\n");
	if (proxyClass != null) {
	code.append("@ProxyFor(" + proxyClass + ".class)");
	}
	code.append("interface ProxyWithRepeatedGetters extends EntityProxy {\n");
	code.append(" boolean getFoo();");
	code.append(" boolean isFoo();");
	code.append("}");
	return code;
	}
	}, new MockJavaResource("java.util.List") {
	// Tests a Driver interface that extends more than RFED
	@Override
	public CharSequence getContent() {
	StringBuilder code = new StringBuilder();
	code.append("package java.util;\n");
	code.append("public interface List<T> extends Collection<T> {\n");
	code.append("}");
	return code;
	}
	}, new MockJavaResource("java.util.Set") {
	// Tests a Driver interface that extends more than RFED
	@Override
	public CharSequence getContent() {
	StringBuilder code = new StringBuilder();
	code.append("package java.util;\n");
	code.append("public interface Set<T> extends Collection<T> {\n");
	code.append("}");
	return code;
	}
	}, new MockJavaResource("java.util.SortedSet") {
	// Tests a Driver interface that extends more than RFED
	@Override
	public CharSequence getContent() {
	StringBuilder code = new StringBuilder();
	code.append("package java.util;\n");
	code.append("public interface SortedSet<T> extends Set<T> {\n");
	code.append("}");
	return code;
	}
	}};

	Set<Resource> toReturn = new HashSet<Resource>(Arrays.asList(javaFiles));

	toReturn.addAll(Arrays.asList(new Resource[] {
	new EmptyMockJavaResource(Iterable.class),
	new EmptyMockJavaResource(EntityProxy.class),
	new EmptyMockJavaResource(InstanceRequest.class),
	new EmptyMockJavaResource(Locator.class),
	new EmptyMockJavaResource(RequestFactory.class),
	new EmptyMockJavaResource(Receiver.class),
	new EmptyMockJavaResource(ServiceLocator.class),
	new EmptyMockJavaResource(Splittable.class),
	new EmptyMockJavaResource(ValueProxy.class),

	new RealJavaResource(Request.class),
	new RealJavaResource(Service.class),
	new RealJavaResource(ProxyFor.class),
	new EmptyMockJavaResource(RequestContext.class),}));
	toReturn.addAll(Arrays.asList(JavaResourceBase.getStandardResources()));
	return toReturn;
	}
	}