// Copyright 2006, 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.ioc.internal.util;
import org.apache.tapestry5.ioc.Locatable;
import org.apache.tapestry5.ioc.Location;
import org.apache.tapestry5.ioc.annotations.Inject;
import static org.apache.tapestry5.ioc.internal.util.CollectionFactory.newMap;
import static org.apache.tapestry5.ioc.internal.util.InternalUtils.toList;
import org.apache.tapestry5.ioc.test.IOCTestCase;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.io.Closeable;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.*;
public class InternalUtilsTest extends IOCTestCase
{
private static class PrivateInnerClass
{
public PrivateInnerClass()
{
}
}
public static class PublicInnerClass
{
protected PublicInnerClass()
{
}
}
@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 = "memberNameData")
public void strip_member_name(String input, String expected)
{
assertEquals(InternalUtils.stripMemberName(input), expected);
}
@DataProvider(name = "memberNameData")
public Object[][] memberNameData()
{
return new Object[][] {
{"simple", "simple"},
{"_name", "name"},
{"$name", "name"},
{"ruby_style", "ruby_style"},
{"__$ruby_style_", "ruby_style"},
{"$_$__$__$_$___$_$_$_$$name$", "name"},
{"foo_", "foo"},
{"_foo_", "foo"}
};
}
@Test
public void strip_illegal_member_name()
{
try
{
InternalUtils.stripMemberName("!foo");
unreachable();
}
catch (IllegalArgumentException ex)
{
assertEquals(ex.getMessage(), "Input '!foo' is not a valid Java identifier.");
}
}
@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_with_blank()
{
List<String> many = Arrays.asList("fred", "barney", "", "wilma");
assertEquals(InternalUtils.join(many), "fred, barney, (blank), 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
public void join_sorted_with_blank()
{
List<String> unsorted = Arrays.asList("betty", "fred", "barney", "", "wilma");
assertEquals(InternalUtils.joinSorted(unsorted), "(blank), barney, betty, fred, wilma");
}
@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));
}
// Test the check for runtime annotation. This is all well and good, we actually don't have a proper test
// that this code is used (ideally we should have tests for @Marker on a module, on a service impl, and passed
// to ServiceBindingOptions.withMarker(), to prove that those are wired for checks.
@Test
public void validate_marker_annotation()
{
InternalUtils.validateMarkerAnnotation(Inject.class);
try
{
InternalUtils.validateMarkerAnnotations(new Class[] {Inject.class, NotRetainedRuntime.class});
unreachable();
}
catch (IllegalArgumentException ex)
{
assertEquals(ex.getMessage(),
"Marker annotation class org.apache.tapestry5.ioc.internal.util.NotRetainedRuntime is not valid because it is not visible at runtime. Add a @RetentionPolicy(RUNTIME) to the class.");
}
}
@Test
public void join_sorted_null()
{
assertEquals(InternalUtils.joinSorted(null), "(none)");
}
@Test
public void join_sorted_empty()
{
assertEquals(InternalUtils.joinSorted(Collections.emptyList()), "(none)");
}
@Test
public void close_null_is_noop()
{
InternalUtils.close(null);
}
@Test
public void close_success() throws Exception
{
Closeable c = newMock(Closeable.class);
c.close();
replay();
InternalUtils.close(c);
verify();
}
@Test
public void close_ignores_exceptions() throws Exception
{
Closeable c = newMock(Closeable.class);
c.close();
setThrowable(new IOException());
replay();
InternalUtils.close(c);
verify();
}
@Test
public void constructor_with_inject_annotation()
{
Constructor c = InternalUtils.findAutobuildConstructor(InjectoBean.class);
assertEquals(c.getParameterTypes().length, 1);
assertEquals(c.getParameterTypes()[0], String.class);
}
@Test
public void validate_constructor_class_not_public()
{
Class clazz = PrivateInnerClass.class;
Constructor cons = clazz.getConstructors()[0];
try
{
InternalUtils.validateConstructorForAutobuild(cons);
unreachable();
}
catch (IllegalArgumentException ex)
{
assertEquals(ex.getMessage(),
"Class org.apache.tapestry5.ioc.internal.util.InternalUtilsTest$PrivateInnerClass is not a public class and may not be autobuilt.");
}
}
@Test
public void validate_constructor_check_for_public()
{
Class clazz = PublicInnerClass.class;
Constructor cons = clazz.getDeclaredConstructors()[0];
try
{
InternalUtils.validateConstructorForAutobuild(cons);
unreachable();
}
catch (IllegalArgumentException ex)
{
assertMessageContains(ex,
"Constructor protected org.apache.tapestry5.ioc.internal.util.InternalUtilsTest$PublicInnerClass() is not public and may not be used for autobuilding an instance of the class.");
}
}
}