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CollectionUtilsTest.groovy
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/
CollectionUtilsTest.groovy
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/*
* Copyright 2009 the original author or authors.
*
* 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.jggug.kobo.commons.lang
class CollectionUtilsTest extends GroovyTestCase {
static class Entry {
def key, value
String toString() { key + value }
}
def aa1, aa2, b1, b2, c1, c2, c3
void setUp() {
aa1 = new Entry(key:'aa', value:1)
aa2 = new Entry(key:'aa', value:2)
b1 = new Entry(key:'b', value:1)
b2 = new Entry(key:'b', value:2)
c1 = new Entry(key:'c', value:1)
c2 = new Entry(key:'c', value:2)
c3 = new Entry(key:'c', value:3)
CollectionUtils.extendMetaClass()
}
// Util ----------------------------------------------------
void testSort_Util_List_singleCondition() {
def data = [5, 3, 1, 2]
assert [1, 2, 3, 5] == CollectionUtils.sort(data, {it})
assert [5, 3, 2, 1] == CollectionUtils.sort(data, {-it})
assert [1, 2, 3, 5] == CollectionUtils.sort(data, [{it}])
assert [5, 3, 2, 1] == CollectionUtils.sort(data, [{-it}])
assert CollectionUtils.sort(data, {it}) in List
assert CollectionUtils.sort(data, [{it}]) in List
}
void testSort_Util_List_multiConditions() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == CollectionUtils.sort(data, [{it.key}, {it.value}])
assert [aa2, aa1, b2, b1, c3, c2, c1] == CollectionUtils.sort(data, [{it.key}, {-it.value}])
assert [aa1, b1, c1, aa2, b2, c2, c3] == CollectionUtils.sort(data, [{it.value}, {it.key}])
assert CollectionUtils.sort(data, [{it.key}, {it.value}]) in List
}
void testSort_Util_Array() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == CollectionUtils.sort(data.toArray(), [{it.key}, {it.value}])
assert [aa2, aa1, b2, b1, c3, c2, c1] == CollectionUtils.sort(data.toArray(), [{it.key}, {-it.value}])
assert [aa1, b1, c1, aa2, b2, c2, c3] == CollectionUtils.sort(data.toArray(), [{it.value}, {it.key}])
assert CollectionUtils.sort(data.toArray(), [{it.key}, {it.value}]) in Object[]
}
void testSort_Util_Iterator() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == CollectionUtils.sort(data.iterator(), [{it.key}, {it.value}]).collect{it}
assert [aa2, aa1, b2, b1, c3, c2, c1] == CollectionUtils.sort(data.iterator(), [{it.key}, {-it.value}]).collect{it}
assert [aa1, b1, c1, aa2, b2, c2, c3] == CollectionUtils.sort(data.iterator(), [{it.value}, {it.key}]).collect{it}
assert CollectionUtils.sort(data.iterator(), [{it.key}, {it.value}]) in Iterator
}
void testSort_Util_Map() { // you can use only key. 'it' means key.
def data = [d:2, e:1, b:1, aa:2, c:2]
assert "[aa:2, b:1, c:2, d:2, e:1]" == CollectionUtils.sort(data, [{it}, {data[it]}]).toString()
assert "[b:1, e:1, aa:2, c:2, d:2]" == CollectionUtils.sort(data, [{data[it]}, {it}]).toString()
assert CollectionUtils.sort(data, [{it}, {data[it]}]) in Map
}
void testSort_Util_aVarietyOfNotifications() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == CollectionUtils.sort(data, [{it.key}, {it.value}])
assert [aa1, aa2, b1, b2, c1, c2, c3] == CollectionUtils.sort(data, {it.key}, {it.value})
}
void testSort_Util_Map_DescOrderBy_AscOrderBy() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [c1, c2, c3, b1, b2, aa1, aa2] == CollectionUtils.sort(data, [OrderBy.desc{it.key}, OrderBy.asc{it.value}])
assert [c1, c2, c3, b1, b2, aa1, aa2] == CollectionUtils.sort(data, [OrderBy.desc{it.key}, {it.value}])
assert [c1, c2, c3, b1, b2, aa1, aa2] == CollectionUtils.sort(data, OrderBy.desc{it.key}, OrderBy.asc{it.value})
assert [c1, c2, c3, b1, b2, aa1, aa2] == CollectionUtils.sort(data, OrderBy.desc{it.key}, {it.value})
}
// MOP ----------------------------------------------------
void testSort_MOP_List_singleCondition() {
def data = [5, 3, 1, 2]
assert [1, 2, 3, 5] == data.sort({it})
assert [5, 3, 2, 1] == data.sort({-it})
assert [1, 2, 3, 5] == data.sort([{it}])
assert [5, 3, 2, 1] == data.sort([{-it}])
assert data.sort({it}) in List
assert data.sort([{it}]) in List
}
void testSort_MOP_List_multiConditions() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == data.sort([{it.key}, {it.value}])
assert [aa2, aa1, b2, b1, c3, c2, c1] == data.sort([{it.key}, {-it.value}])
assert [aa1, b1, c1, aa2, b2, c2, c3] == data.sort([{it.value}, {it.key}])
assert data.sort([{it.key}, {it.value}]) in List
}
void testSort_MOP_Array() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == data.toArray().sort([{it.key}, {it.value}])
assert [aa2, aa1, b2, b1, c3, c2, c1] == data.toArray().sort([{it.key}, {-it.value}])
assert [aa1, b1, c1, aa2, b2, c2, c3] == data.toArray().sort([{it.value}, {it.key}])
assert data.toArray().sort([{it.key}, {it.value}]) in Object[]
}
void testSort_MOP_Iterator() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == data.iterator().sort([{it.key}, {it.value}]).collect{it}
assert [aa2, aa1, b2, b1, c3, c2, c1] == data.iterator().sort([{it.key}, {-it.value}]).collect{it}
assert [aa1, b1, c1, aa2, b2, c2, c3] == data.iterator().sort([{it.value}, {it.key}]).collect{it}
assert data.iterator().sort([{it.key}, {it.value}]) in Iterator
}
void testSort_MOP_Map() { // you can use only key. 'it' means key.
def data = [d:2, e:1, b:1, aa:2, c:2]
assert "[aa:2, b:1, c:2, d:2, e:1]" == data.sort([{it}, {data[it]}]).toString()
assert "[b:1, e:1, aa:2, c:2, d:2]" == data.sort([{data[it]}, {it}]).toString()
assert data.sort([{it}, {data[it]}]) in Map
}
void testSort_MOP_aVarietyOfNotifications() {
def data = [c3, aa1, b2, c1, b1, aa2, c2]
assert [aa1, aa2, b1, b2, c1, c2, c3] == data.sort([{it.key}, {it.value}])
assert [aa1, aa2, b1, b2, c1, c2, c3] == data.sort({it.key}, {it.value}) // recommended
assert [aa1, aa2, b1, b2, c1, c2, c3] == data.sort {it.key}, {it.value}
assert [aa1, aa2, b1, b2, c1, c2, c3] == data.sort {it.key} {it.value}
}
void testSort_MOP_Map_DescOrderBy_AscOrderBy() {
assert [c1, c2, c3, b1, b2, aa1, aa2] == [c3, aa1, b2, c1, b1, aa2, c2].sort(OrderBy.desc{it.key}, OrderBy.asc{it.value})
assert [c1, c2, c3, b1, b2, aa1, aa2] == [c3, aa1, b2, c1, b1, aa2, c2].sort(OrderBy.desc{it.key}, {it.value})
}
}