// Copyright 2006, 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.ioc.internal.util;
import static org.apache.tapestry.ioc.internal.util.CollectionFactory.newMap;
import static org.apache.tapestry.ioc.internal.util.InternalUtils.toList;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.tapestry.ioc.Locatable;
import org.apache.tapestry.ioc.Location;
import org.apache.tapestry.ioc.test.IOCTestCase;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class InternalUtilsTest extends IOCTestCase
{
@Test
public void method_as_string_no_args() throws Exception
{
Method m = Object.class.getMethod("toString");
assertEquals(InternalUtils.asString(m), "java.lang.Object.toString()");
}
@Test
public void method_as_string_with_args() throws Exception
{
Method m = Collections.class.getMethod("sort", List.class, Comparator.class);
assertEquals(InternalUtils.asString(m), "java.util.Collections.sort(List, Comparator)");
}
@Test
public void method_as_string_primitive_arg() throws Exception
{
Method m = Object.class.getMethod("wait", long.class);
assertEquals(InternalUtils.asString(m), "java.lang.Object.wait(long)");
}
@Test
public void method_as_string_primitive_array_arg() throws Exception
{
Method m = Arrays.class.getMethod("sort", int[].class);
assertEquals(InternalUtils.asString(m), "java.util.Arrays.sort(int[])");
}
@Test
public void method_as_string_array_arg() throws Exception
{
Method m = Arrays.class.getMethod("sort", Object[].class);
assertEquals(InternalUtils.asString(m), "java.util.Arrays.sort(Object[])");
}
@Test
public void array_size_when_null()
{
assertEquals(InternalUtils.size(null), 0);
}
@Test
public void array_size_when_non_null()
{
Object[] array =
{ 1, 2, 3 };
assertEquals(InternalUtils.size(array), 3);
}
@Test(dataProvider = "memberPrefixData")
public void strip_member_prefix(String input, String expected)
{
assertEquals(InternalUtils.stripMemberPrefix(input), expected);
}
@DataProvider(name = "memberPrefixData")
public Object[][] memberPrefixData()
{
return new Object[][]
{
{ "simple", "simple" },
{ "_name", "name" },
{ "$name", "name" },
{ "$_$__$__$_$___$_$_$_$$name$", "name$" } };
}
@Test
public void enumeration_to_list()
{
List<String> input = Arrays.asList("wilma", "fred", "barney");
Enumeration e = Collections.enumeration(input);
List<String> output = toList(e);
assertEquals(output, Arrays.asList("barney", "fred", "wilma"));
}
@Test
public void join_empty_list()
{
List<String> empty = CollectionFactory.newList();
assertEquals(InternalUtils.join(empty), "");
}
@Test
public void join_single()
{
List<String> single = Arrays.asList("barney");
assertEquals(InternalUtils.join(single), "barney");
}
@Test
public void join_multiple()
{
List<String> many = Arrays.asList("fred", "barney", "wilma");
assertEquals(InternalUtils.join(many), "fred, barney, wilma");
}
@Test
public void join_sorted()
{
List<String> unsorted = Arrays.asList("betty", "fred", "barney", "wilma");
List<String> copy = CollectionFactory.newList(unsorted);
assertEquals(InternalUtils.joinSorted(copy), "barney, betty, fred, wilma");
// Make sure that joinSorted() doesn't change the input list
assertEquals(copy, unsorted);
}
@Test(dataProvider = "capitalize_inputs")
public void capitalize(String input, String expected)
{
assertEquals(InternalUtils.capitalize(input), expected);
}
@DataProvider(name = "capitalize_inputs")
public Object[][] capitalize_inputs()
{
return new Object[][]
{
{ "hello", "Hello" },
{ "Goodbye", "Goodbye" },
{ "", "" },
{ "a", "A" },
{ "A", "A" } };
}
@Test
public void location_of_not_found()
{
assertNull(InternalUtils.locationOf(null));
assertNull(InternalUtils.locationOf("La! La!"));
}
@Test
public void location_of_location()
{
Location l = mockLocation();
replay();
assertSame(l, InternalUtils.locationOf(l));
verify();
}
@Test
public void location_of_locatable()
{
Location l = mockLocation();
Locatable locatable = newMock(Locatable.class);
expect(locatable.getLocation()).andReturn(l);
replay();
assertSame(l, InternalUtils.locationOf(locatable));
verify();
}
@Test
public void sorted_keys_from_null_map()
{
List<String> list = InternalUtils.sortedKeys(null);
assertTrue(list.isEmpty());
}
@Test
public void sorted_keys_from_map()
{
Map<String, String> map = newMap();
map.put("fred", "flintstone");
map.put("barney", "rubble");
assertEquals(InternalUtils.sortedKeys(map), Arrays.asList("barney", "fred"));
}
@Test
public void get_from_null_map()
{
assertNull(InternalUtils.get(null, null));
}
@Test
public void get_from_map()
{
Map<String, String> map = newMap();
map.put("fred", "flintstone");
assertEquals("flintstone", InternalUtils.get(map, "fred"));
}
@Test
public void reverse_iterator()
{
List<String> list = Arrays.asList("a", "b", "c");
Iterator<String> i = InternalUtils.reverseIterator(list);
assertTrue(i.hasNext());
assertEquals(i.next(), "c");
assertTrue(i.hasNext());
assertEquals(i.next(), "b");
assertTrue(i.hasNext());
assertEquals(i.next(), "a");
assertFalse(i.hasNext());
}
@Test
public void reverse_iterator_does_not_support_remove()
{
List<String> list = Arrays.asList("a", "b", "c");
Iterator<String> i = InternalUtils.reverseIterator(list);
try
{
i.remove();
unreachable();
}
catch (UnsupportedOperationException ex)
{
}
}
@Test
public void last_term()
{
String input = "SimpleInput";
assertSame(InternalUtils.lastTerm(input), input);
assertEquals(InternalUtils.lastTerm("fie.fie.foe.fum"), "fum");
}
@Test
public void add_to_list_map()
{
Map<String, List<Integer>> map = CollectionFactory.newMap();
InternalUtils.addToMapList(map, "fred", 1);
assertEquals(map.get("fred"), Arrays.asList(1));
InternalUtils.addToMapList(map, "fred", 2);
assertEquals(map.get("fred"), Arrays.asList(1, 2));
}
}