tapestry-core/src/test/java/org/apache/tapestry5/corelib/components/BeanEditorTest.java

// Copyright 2007, 2008 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.tapestry5.corelib.components;

import org.apache.tapestry5.ComponentResources;
import org.apache.tapestry5.beaneditor.BeanModel;
import org.apache.tapestry5.integration.app1.data.RegistrationData;
import org.apache.tapestry5.ioc.Location;
import org.apache.tapestry5.ioc.internal.util.TapestryException;
import org.apache.tapestry5.services.BeanModelSource;
import org.apache.tapestry5.test.TapestryTestCase;
import org.testng.annotations.Test;

public class BeanEditorTest extends TapestryTestCase
{
    @Test
    public void object_created_as_needed()
    {
        ComponentResources resources = mockComponentResources();
        ComponentResources overrides = mockComponentResources();
        ComponentResources containerResources = mockComponentResources();
        BeanModelSource source = mockBeanModelSource();
        BeanModel model = mockBeanModel();
        RegistrationData data = new RegistrationData();

        train_getBoundType(resources, "object", RegistrationData.class);

        train_getContainerResources(overrides, containerResources);

        train_create(source, RegistrationData.class, true, containerResources, model);

        expect(model.newInstance()).andReturn(data);

        replay();

        BeanEditor component = new BeanEditor();

        component.inject(resources, overrides, source);

        component.doPrepare();

        assertSame(component.getObject(), data);

        verify();
    }


    @Test
    public void object_can_not_be_instantiated()
    {
        ComponentResources resources = mockComponentResources();
        ComponentResources overrides = mockComponentResources();
        ComponentResources containerResources = mockComponentResources();
        BeanModelSource source = mockBeanModelSource();
        BeanModel model = mockBeanModel();
        Location l = mockLocation();
        Throwable exception = new RuntimeException("Fall down go boom.");

        train_getBoundType(resources, "object", Runnable.class);

        train_getContainerResources(overrides, containerResources);

        train_create(source, Runnable.class, true, containerResources, model);

        expect(model.newInstance()).andThrow(exception);

        train_getCompleteId(resources, "Foo.bar");

        train_getLocation(resources, l);

        expect(model.getBeanType()).andReturn(Runnable.class);

        replay();

        BeanEditor component = new BeanEditor();

        component.inject(resources, overrides, source);

        try
        {
            component.doPrepare();
            unreachable();
        }
        catch (TapestryException ex)
        {
            assertMessageContains(
                    ex,
                    "Exception instantiating instance of java.lang.Runnable (for component \'Foo.bar\'):");

            assertSame(ex.getLocation(), l);
        }

        verify();
    }
}