// Copyright 2007 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.tapestry.corelib.components;
import java.io.BufferedInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.apache.tapestry.MarkupWriter;
import org.apache.tapestry.OptionGroupModel;
import org.apache.tapestry.OptionModel;
import org.apache.tapestry.SelectModel;
import org.apache.tapestry.dom.XMLMarkupModel;
import org.apache.tapestry.internal.OptionGroupModelImpl;
import org.apache.tapestry.internal.OptionModelImpl;
import org.apache.tapestry.internal.SelectModelImpl;
import org.apache.tapestry.internal.TapestryInternalUtils;
import org.apache.tapestry.internal.services.MarkupWriterImpl;
import org.apache.tapestry.internal.services.StringValueEncoder;
import org.apache.tapestry.internal.test.InternalBaseTestCase;
import org.apache.tapestry.ioc.internal.util.CollectionFactory;
import org.testng.annotations.Test;
/**
* Mostly, this is about how the Select component renders its {@link SelectModel}. The real nuts
* and bolts are tested in the integration tests.
*/
public class SelectTest extends InternalBaseTestCase
{
@Test
public void empty_model()
{
Select select = new Select();
select.setModel(new SelectModelImpl(null, null));
select.options(null);
}
private String read(String file) throws Exception
{
InputStream is = getClass().getResourceAsStream(file);
Reader reader = new InputStreamReader(new BufferedInputStream(is));
StringBuilder builder = new StringBuilder();
char[] buffer = new char[1000];
while (true)
{
int length = reader.read(buffer);
if (length < 0) break;
builder.append(buffer, 0, length);
}
reader.close();
return builder.toString();
}
@Test
public void just_options() throws Exception
{
List<OptionModel> options = TapestryInternalUtils
.toOptionModels("fred=Fred Flintstone,barney=Barney Rubble");
Select select = new Select();
select.setModel(new SelectModelImpl(null, options));
select.setValueEncoder(new StringValueEncoder());
select.setValue("barney");
MarkupWriter writer = new MarkupWriterImpl(new XMLMarkupModel(), null);
writer.element("select");
select.options(writer);
writer.end();
assertEquals(writer.toString(), read("just_options.html"));
}
@Test
public void option_attributes() throws Exception
{
// Extra cast needed for Sun compiler, not Eclipse compiler.
List<OptionModel> options = Arrays.asList((OptionModel) new OptionModelImpl("Fred", false,
"fred", "class", "pixie"));
Select select = new Select();
select.setModel(new SelectModelImpl(null, options));
select.setValueEncoder(new StringValueEncoder());
select.setValue("barney");
MarkupWriter writer = new MarkupWriterImpl(new XMLMarkupModel(), null);
writer.element("select");
select.options(writer);
writer.end();
assertEquals(writer.toString(), read("option_attributes.html"));
}
@Test
public void disabled_option() throws Exception
{
// Extra cast needed for Sun compiler, not Eclipse compiler.
List<OptionModel> options = CollectionFactory.newList((OptionModel) new OptionModelImpl(
"Fred", true, "fred", "class", "pixie"));
Select select = new Select();
select.setModel(new SelectModelImpl(null, options));
select.setValueEncoder(new StringValueEncoder());
select.setValue("barney");
MarkupWriter writer = new MarkupWriterImpl(new XMLMarkupModel(), null);
writer.element("select");
select.options(writer);
writer.end();
assertEquals(writer.toString(), read("disabled_option.html"));
}
@Test
public void option_groups() throws Exception
{
OptionGroupModel husbands = new OptionGroupModelImpl("Husbands", false,
TapestryInternalUtils.toOptionModels("Fred,Barney"));
OptionGroupModel wives = new OptionGroupModelImpl("Wives", true, TapestryInternalUtils
.toOptionModels("Wilma,Betty"));
List<OptionGroupModel> groupModels = CollectionFactory.newList(husbands, wives);
Select select = new Select();
select.setModel(new SelectModelImpl(groupModels, null));
select.setValueEncoder(new StringValueEncoder());
select.setValue("Fred");
MarkupWriter writer = new MarkupWriterImpl(new XMLMarkupModel(), null);
writer.element("select");
select.options(writer);
writer.end();
assertEquals(writer.toString(), read("option_groups.html"));
}
@Test
public void option_groups_precede_ungroup_options() throws Exception
{
OptionGroupModel husbands = new OptionGroupModelImpl("Husbands", false,
TapestryInternalUtils.toOptionModels("Fred,Barney"));
Select select = new Select();
select.setModel(new SelectModelImpl(Collections.singletonList(husbands),
TapestryInternalUtils.toOptionModels("Wilma,Betty")));
select.setValueEncoder(new StringValueEncoder());
select.setValue("Fred");
MarkupWriter writer = new MarkupWriterImpl(new XMLMarkupModel(), null);
writer.element("select");
select.options(writer);
writer.end();
assertEquals(writer.toString(), read("option_groups_precede_ungroup_options.html"));
}
@Test
public void option_group_attributes() throws Exception
{
Map<String, String> attributes = Collections.singletonMap("class", "pixie");
OptionGroupModel husbands = new OptionGroupModelImpl("Husbands", false,
TapestryInternalUtils.toOptionModels("Fred,Barney"), attributes);
Select select = new Select();
select.setModel(new SelectModelImpl(Collections.singletonList(husbands), null));
select.setValueEncoder(new StringValueEncoder());
select.setValue("Fred");
MarkupWriter writer = new MarkupWriterImpl(new XMLMarkupModel(), null);
writer.element("select");
select.options(writer);
writer.end();
assertEquals(writer.toString(), read("option_group_attributes.html"));
}
}