// Copyright 2007, 2008, 2009, 2010 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.internal.services;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DecimalFormatSymbols;
import java.text.ParseException;
import java.util.Locale;
import java.util.Map;
import org.apache.tapestry5.Field;
import org.apache.tapestry5.Translator;
import org.apache.tapestry5.ValidationException;
import org.apache.tapestry5.internal.test.InternalBaseTestCase;
import org.apache.tapestry5.internal.translator.BigDecimalNumericFormatter;
import org.apache.tapestry5.internal.translator.BigIntegerNumericFormatter;
import org.apache.tapestry5.ioc.internal.util.CollectionFactory;
import org.apache.tapestry5.ioc.services.ThreadLocale;
import org.apache.tapestry5.ioc.util.UnknownValueException;
import org.apache.tapestry5.services.TranslatorSource;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
@SuppressWarnings("unchecked")
public class TranslatorSourceImplTest extends InternalBaseTestCase
{
private TranslatorSource source;
@BeforeClass
public void setup()
{
source = getService(TranslatorSource.class);
}
@BeforeMethod
public void setupThreadLocale()
{
getService(ThreadLocale.class).setLocale(Locale.ENGLISH);
}
@Test
public void found_translator_by_name()
{
Translator translator = mockTranslator("mock", String.class);
replay();
TranslatorSource source = new TranslatorSourceImpl(newConfiguration(String.class, translator));
assertSame(source.get("mock"), translator);
verify();
}
private Map<Class, Translator> newConfiguration(Class type, Translator t)
{
Map<Class, Translator> result = CollectionFactory.newMap();
result.put(type, t);
return result;
}
@Test
public void key_and_type_mismatch()
{
Translator t = mockTranslator();
train_getType(t, Long.class);
replay();
try
{
new TranslatorSourceImpl(newConfiguration(Integer.class, t));
unreachable();
}
catch (RuntimeException ex)
{
assertMessageContains(ex,
"Contributed translator for type java.lang.Integer reports its type as java.lang.Long.");
}
verify();
}
@Test
public void name_collision_with_standard_translators()
{
Translator t1 = mockTranslator("fred", Integer.class);
Translator t2 = mockTranslator("fred", Long.class);
Map<Class, Translator> configuration = CollectionFactory.newMap();
configuration.put(Integer.class, t1);
configuration.put(Long.class, t2);
replay();
try
{
new TranslatorSourceImpl(configuration);
unreachable();
}
catch (RuntimeException ex)
{
assertMessageContains(
ex,
"Two different Translators contributed to the TranslatorSource service use the same translator name: 'fred'.",
"Translator names must be unique.");
}
verify();
}
@Test
public void get_alternate_translator_by_name()
{
Translator t1 = mockTranslator("fred", Integer.class);
Translator t2 = mockTranslator();
Map<Class, Translator> configuration = newConfiguration(Integer.class, t1);
Map<String, Translator> alternates = CollectionFactory.newMap();
alternates.put("barney", t2);
replay();
TranslatorSource source = new TranslatorSourceImpl(configuration, alternates);
assertSame(source.get("barney"), t2);
verify();
}
@Test
public void name_collision_between_standard_and_alternate_translator()
{
Translator t1 = mockTranslator("fred", Integer.class);
Translator t2 = mockTranslator();
Map<Class, Translator> configuration = newConfiguration(Integer.class, t1);
Map<String, Translator> alternates = CollectionFactory.newMap();
alternates.put("fred", t2);
replay();
try
{
new TranslatorSourceImpl(configuration, alternates);
unreachable();
}
catch (RuntimeException ex)
{
assertEquals(
ex.getMessage(),
"Translator 'fred' contributed to the TranslatorAlternatesSource service has the same name as a standard Translator contributed to the TranslatorSource service.");
}
verify();
}
@Test
public void unknown_translator_is_failure()
{
Translator fred = mockTranslator("fred", String.class);
Translator barney = mockTranslator("barney", Long.class);
Map<Class, Translator> configuration = CollectionFactory.newMap();
configuration.put(String.class, fred);
configuration.put(Long.class, barney);
replay();
TranslatorSource source = new TranslatorSourceImpl(configuration);
try
{
source.get("wilma");
unreachable();
}
catch (UnknownValueException ex)
{
assertMessageContains(ex, "Unknown translator type 'wilma'.");
}
}
@DataProvider
public Object[][] to_client_data()
{
return new Object[][]
{
{ Byte.class, (byte) 65, "65" },
{ Integer.class, 997, "997" },
{ Long.class, 12345l, "12345" },
// Is this a bug? We seem to be using a JDK- or locale-defined level of precision.
// Maybe translators need room for configuration just like validators, so that
// the correct decimal format string could be specified in the message catalog.
{ Double.class, 3.1428571429d, "3.143" },
{ String.class, "abcd", "abcd" },
{ Short.class, (short) 95, "95" },
{ Float.class, (float) -22.7, "-22.7" },
{ BigInteger.class, new BigInteger("123456789012345678901234567890"), "123456789012345678901234567890" },
{ BigDecimal.class, new BigDecimal("-9876543219876543321987654321.12345123451234512345"),
"-9876543219876543321987654321.12345123451234512345" } };
}
@Test(dataProvider = "to_client_data")
public void to_client(Class type, Object value, String expected)
{
Translator t = source.getByType(type);
String actual = t.toClient(value);
assertEquals(actual, expected);
}
@DataProvider
public Object[][] parse_client_success_data()
{
return new Object[][]
{
{ Byte.class, " 23 ", (byte) 23 },
{ Short.class, " -121 ", (short) -121 },
{ Integer.class, " 123 ", 123 },
{ Integer.class, " 20,000 ", 20000 },
{ Long.class, " -1234567 ", -1234567l },
{ Double.class, "3.1428571429", 3.1428571429d },
{ String.class, " abcdef ", " abcdef " },
{ Float.class, " 28.95 ", (float) 28.95 },
{ BigInteger.class, " -123456789012345678901234567890",
new BigInteger("-123456789012345678901234567890") },
{ BigDecimal.class, "-9,876,543,219,876,543,321,987,654,321.12345123451234512345",
new BigDecimal("-9876543219876543321987654321.12345123451234512345") } };
}
@Test(dataProvider = "parse_client_success_data")
public void parse_client(Class type, String input, Object expected) throws Exception
{
Translator t = source.getByType(type);
Object actual = t.parseClient(null, input, null);
assertEquals(actual, expected);
}
@DataProvider
public Object[][] parse_client_failure_data()
{
String intError = "You must provide an integer value for Fred.";
String floatError = "You must provide a numeric value for Fred.";
return new Object[][]
{
{ Byte.class, "fred", intError },
{ Integer.class, "fred", intError },
{ Long.class, "fred", intError },
{ Double.class, "fred", floatError },
{ Float.class, "fred", floatError },
{ Short.class, "fred", intError } };
}
@Test(dataProvider = "parse_client_failure_data")
public void parse_client_failure(Class type, String input, String expectedMessage)
{
Translator t = source.getByType(type);
Field field = mockField();
replay();
try
{
t.parseClient(field, input, expectedMessage);
unreachable();
}
catch (ValidationException ex)
{
assertEquals(ex.getMessage(), expectedMessage);
}
verify();
}
@Test
public void find_by_type()
{
Translator t = mockTranslator("string", String.class);
replay();
TranslatorSource source = new TranslatorSourceImpl(newConfiguration(String.class, t));
assertSame(source.getByType(String.class), t);
assertSame(source.findByType(String.class), t);
assertNull(source.findByType(Integer.class));
verify();
}
@Test
public void get_by_type_not_found()
{
Translator string = mockTranslator("string", String.class);
Translator bool = mockTranslator("bool", Boolean.class);
Map<Class, Translator> configuration = CollectionFactory.newMap();
configuration.put(String.class, string);
configuration.put(Boolean.class, bool);
replay();
TranslatorSource source = new TranslatorSourceImpl(configuration);
try
{
source.getByType(Integer.class);
unreachable();
}
catch (IllegalArgumentException ex)
{
assertEquals(ex.getMessage(),
"No translator is defined for type java.lang.Integer. Registered types: java.lang.Boolean, java.lang.String.");
}
verify();
}
@Test
public void biginteger_with_localized_symbols() throws ParseException
{
DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.ENGLISH);
symbols.setGroupingSeparator('_');
symbols.setMinusSign('*');
BigIntegerNumericFormatter f = new BigIntegerNumericFormatter(symbols);
BigInteger big = new BigInteger("-123456");
assertEquals(f.parse("*123_456"), big);
assertEquals(f.toClient(big), "*123456");
}
@Test
public void bigdecimal_with_localized_symbols() throws ParseException
{
DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.ENGLISH);
symbols.setGroupingSeparator('_');
symbols.setMinusSign('*');
symbols.setDecimalSeparator('#');
BigDecimalNumericFormatter f = new BigDecimalNumericFormatter(symbols);
BigDecimal big = new BigDecimal("-123456.797956563434");
assertEquals(f.parse("*123_456#797956563434"), big);
assertEquals(f.toClient(big), "*123456#797956563434");
}
}