Lists in Groovy: refactor to use spock testing framework
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Alex Golub
parent
76fb5b02e0
commit
66feff149a
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@ -1,173 +1,171 @@
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package com.baeldung.lists
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import static groovy.test.GroovyAssert.*
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import org.junit.Test
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import spock.lang.Specification
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class ListUnitTest {
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@Test
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void testCreateList() {
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class ListUnitTest extends Specification {
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def "testCreateList"() {
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when:
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def list = [1, 2, 3]
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assertNotNull(list)
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def listMix = ['A', "b", 1, true]
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assertTrue(listMix == ['A', "b", 1, true])
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def linkedList = [1, 2, 3] as LinkedList
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assertTrue(linkedList instanceof LinkedList)
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ArrayList arrList = [1, 2, 3]
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assertTrue(arrList.class == ArrayList)
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def copyList = new ArrayList(arrList)
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assertTrue(copyList == arrList)
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def cloneList = arrList.clone()
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assertTrue(cloneList == arrList)
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then:
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list
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listMix == ['A', "b", 1, true]
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linkedList instanceof LinkedList
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arrList.class == ArrayList
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copyList == arrList
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cloneList == arrList
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}
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@Test
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void testCreateEmptyList() {
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def "testCreateEmptyList"() {
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when:
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def emptyList = []
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assertTrue(emptyList.size() == 0)
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then:
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emptyList.isEmpty()
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}
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@Test
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void testCompareTwoLists() {
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def "testCompareTwoLists"() {
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when:
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def list1 = [5, 6.0, 'p']
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def list2 = [5, 6.0, 'p']
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assertTrue(list1 == list2)
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then:
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list1 == list2
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}
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@Test
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void testGetItemsFromList(){
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def "testGetItemsFromList"() {
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when:
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def list = ["Hello", "World"]
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assertTrue(list.get(1) == "World")
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assertTrue(list[1] == "World")
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assertTrue(list[-1] == "World")
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assertTrue(list.getAt(1) == "World")
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assertTrue(list.getAt(-2) == "Hello")
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then:
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list.get(1) == "World"
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list[1] == "World"
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list[-1] == "World"
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list.getAt(1) == "World"
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list.getAt(-2) == "Hello"
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}
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@Test
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void testAddItemsToList() {
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def "testAddItemsToList"() {
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given:
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def list1 = []
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def list2 = []
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def list3 = [1, 2]
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def list = []
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when:
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list1 << 1 // [1]
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list1.add("Apple") // [1, "Apple"]
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list << 1
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list.add("Apple")
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assertTrue(list == [1, "Apple"])
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list2[2] = "Box" // [null, "Box"]
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list2[4] = true // [null, "Box", null, true]
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list[2] = "Box"
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list[4] = true
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assertTrue(list == [1, "Apple", "Box", null, true])
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list1.add(1, 6.0) // [1, 6.0, "Apple"]
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list1 += list3 // [1, 6.0, "Apple", 1, 2]
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list1 += 12 // [1, 6.0, "Apple", 1, 2, 12]
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list.add(1, 6.0)
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assertTrue(list == [1, 6.0, "Apple", "Box", null, true])
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def list2 = [1, 2]
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list += list2
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list += 12
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assertTrue(list == [1, 6.0, "Apple", "Box", null, true, 1, 2, 12])
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then:
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list1 == [1, 6.0, "Apple", 1, 2, 12]
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list2 == [null, null, "Box", null, true]
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}
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@Test
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void testUpdateItemsInList() {
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def "testUpdateItemsInList"() {
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given:
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def list = [1, "Apple", 80, "App"]
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when:
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list[1] = "Box"
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list.set(2, 90)
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assertTrue(list == [1, "Box", 90, "App"])
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then:
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list == [1, "Box", 90, "App"]
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}
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@Test
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void testRemoveItemsFromList(){
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def "testRemoveItemsFromList"() {
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given:
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def list = [1, 2, 3, 4, 5, 5, 6, 6, 7]
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list.remove(3)
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assertTrue(list == [1, 2, 3, 5, 5, 6, 6, 7])
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when:
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list.remove(3) // [1, 2, 3, 5, 5, 6, 6, 7]
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list.removeElement(5) // [1, 2, 3, 5, 6, 6, 7]
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list = list - 6 // [1, 2, 3, 5, 7]
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list.removeElement(5)
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assertTrue(list == [1, 2, 3, 5, 6, 6, 7])
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assertTrue(list - 6 == [1, 2, 3, 5, 7])
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then:
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list == [1, 2, 3, 5, 7]
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}
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@Test
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void testIteratingOnAList(){
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def "testIteratingOnAList"() {
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given:
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def list = [1, "App", 3, 4]
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list.each{ println it * 2}
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expect:
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list.each { println it * 2 }
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list.eachWithIndex { it, i -> println "$i : $it" }
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}
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@Test
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void testCollectingToAnotherList(){
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def "testCollectingToAnotherList"() {
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given:
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def list = ["Kay", "Henry", "Justin", "Tom"]
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assertTrue(list.collect{"Hi " + it} == ["Hi Kay", "Hi Henry", "Hi Justin", "Hi Tom"])
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when:
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def collect = list.collect { "Hi " + it }
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then:
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collect == ["Hi Kay", "Hi Henry", "Hi Justin", "Hi Tom"]
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}
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@Test
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void testJoinItemsInAList(){
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assertTrue(["One", "Two", "Three"].join(",") == "One,Two,Three")
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def "testJoinItemsInAList"() {
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expect:
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["One", "Two", "Three"].join(",") == "One,Two,Three"
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}
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@Test
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void testFilteringOnLists(){
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def "testFilteringOnLists"() {
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given:
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def filterList = [2, 1, 3, 4, 5, 6, 76]
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assertTrue(filterList.find{it > 3} == 4)
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assertTrue(filterList.findAll{it > 3} == [4, 5, 6, 76])
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assertTrue(filterList.findAll{ it instanceof Number} == [2, 1, 3, 4, 5, 6, 76])
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assertTrue(filterList.grep( Number )== [2, 1, 3, 4, 5, 6, 76])
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assertTrue(filterList.grep{ it> 6 }== [76])
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def conditionList = [2, 1, 3, 4, 5, 6, 76]
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assertFalse(conditionList.every{ it < 6})
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assertTrue(conditionList.any{ it%2 == 0})
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expect:
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filterList.find { it > 3 } == 4
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filterList.findAll { it > 3 } == [4, 5, 6, 76]
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filterList.findAll { it instanceof Number } == [2, 1, 3, 4, 5, 6, 76]
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filterList.grep(Number) == [2, 1, 3, 4, 5, 6, 76]
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filterList.grep { it > 6 } == [76]
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!(conditionList.every { it < 6 })
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conditionList.any { it % 2 == 0 }
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}
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@Test
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void testGetUniqueItemsInAList(){
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assertTrue([1, 3, 3, 4].toUnique() == [1, 3, 4])
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def "testGetUniqueItemsInAList"() {
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given:
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def uniqueList = [1, 3, 3, 4]
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uniqueList.unique()
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assertTrue(uniqueList == [1, 3, 4])
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assertTrue(["A", "B", "Ba", "Bat", "Cat"].toUnique{ it.size()} == ["A", "Ba", "Bat"])
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when:
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uniqueList.unique(true)
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then:
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[1, 3, 3, 4].toUnique() == [1, 3, 4]
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uniqueList == [1, 3, 4]
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["A", "B", "Ba", "Bat", "Cat"].toUnique { it.size() } == ["A", "Ba", "Bat"]
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}
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@Test
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void testSorting(){
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assertTrue([1, 2, 1, 0].sort() == [0, 1, 1, 2])
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Comparator mc = {a,b -> a == b? 0: a < b? 1 : -1}
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def "testSorting"() {
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given:
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Comparator naturalOrder = { a, b -> a == b ? 0 : a < b ? -1 : 1 }
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def list = [1, 2, 1, 0]
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list.sort(mc)
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assertTrue(list == [2, 1, 1, 0])
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def strList = ["na", "ppp", "as"]
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assertTrue(strList.max() == "ppp")
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Comparator minc = {a,b -> a == b? 0: a < b? -1 : 1}
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def numberList = [3, 2, 0, 7]
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assertTrue(numberList.min(minc) == 0)
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when:
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list.sort(naturalOrder.reversed())
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then:
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list == [2, 1, 1, 0]
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strList.max() == "ppp"
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[1, 2, 1, 0].sort() == [0, 1, 1, 2]
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numberList.min(naturalOrder) == 0
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}
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}
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