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jfrankowskiashleyfrieze
jfrankowski
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ashleyfrieze
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[BAEL-2664] Groovy collections find
1 parent d05ce3a commit 4151e55

5 files changed

Lines changed: 186 additions & 6 deletions

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‎core-groovy/src/main/groovy/com/baeldung/Person.groovy‎

Lines changed: 37 additions & 0 deletions
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package com.baeldung
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class Person {
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private String firstname
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private String lastname
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private Integer age
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Person(String firstname, String lastname, Integer age) {
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this.firstname = firstname
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this.lastname = lastname
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this.age = age
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}
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String getFirstname() {
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return firstname
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}
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void setFirstname(String firstname) {
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this.firstname = firstname
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}
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String getLastname() {
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return lastname
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}
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void setLastname(String lastname) {
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this.lastname = lastname
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}
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Integer getAge() {
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return age
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}
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void setAge(Integer age) {
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this.age = age
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}
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}

‎core-groovy/src/test/groovy/com/baeldung/lists/ListTest.groovy‎

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Original file line numberDiff line numberDiff line change
@@ -129,13 +129,13 @@ class ListTest{
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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})
@@ -165,7 +165,7 @@ class ListTest{
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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)

‎core-groovy/src/test/groovy/com/baeldung/lists/ListUnitTest.groovy‎

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package com.baeldung.lists
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import com.baeldung.Person
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import org.junit.Test
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import static org.junit.Assert.*
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class ListUnitTest {
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private final personList = [
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new Person("Regina", "Fitzpatrick", 25),
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new Person("Abagail", "Ballard", 26),
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new Person("Lucian", "Walter", 30),
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]
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@Test
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void whenListContainsElement_thenCheckReturnsTrue() {
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def list = ['a', 'b', 'c']
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assertTrue(list.indexOf('a') > -1)
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assertTrue(list.contains('a'))
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}
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@Test
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void whenListContainsElement_thenCheckWithMembershipOperatorReturnsTrue() {
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def list = ['a', 'b', 'c']
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assertTrue('a' in list)
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}
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@Test
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void givenListOfPerson_whenUsingStreamMatching_thenShouldEvaluateList() {
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assertTrue(personList.stream().anyMatch {it.age > 20})
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assertFalse(personList.stream().allMatch {it.age < 30})
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}
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@Test
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void givenListOfPerson_whenUsingCollectionMatching_thenShouldEvaluateList() {
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assertTrue(personList.any {it.age > 20})
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assertFalse(personList.every {it.age < 30})
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}
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@Test
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void givenListOfPerson_whenUsingStreamFind_thenShouldReturnMatchingElements() {
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assertTrue(personList.stream().filter {it.age > 20}.findAny().isPresent())
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assertFalse(personList.stream().filter {it.age > 30}.findAny().isPresent())
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assertTrue(personList.stream().filter {it.age > 20}.findAll().size() == 3)
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assertTrue(personList.stream().filter {it.age > 30}.findAll().isEmpty())
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}
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@Test
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void givenListOfPerson_whenUsingCollectionFind_thenShouldReturnMatchingElements() {
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assertNotNull(personList.find {it.age > 20})
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assertNull(personList.find {it.age > 30})
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assertTrue(personList.findAll {it.age > 20}.size() == 3)
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assertTrue(personList.findAll {it.age > 30}.isEmpty())
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}
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}

‎core-groovy/src/test/groovy/com/baeldung/map/MapUnitTest.groovy‎

Lines changed: 71 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,18 @@
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package com.baeldung.map
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3-
import static org.junit.Assert.*
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import com.baeldung.Person
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import org.junit.Test
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import static org.junit.Assert.*
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class MapUnitTest {
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private final personMap = [
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Regina : new Person("Regina", "Fitzpatrick", 25),
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Abagail: new Person("Abagail", "Ballard", 26),
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Lucian : new Person("Lucian", "Walter", 30)
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]
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@Test
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void whenUsingEach_thenMapIsIterated() {
1018
def map = [
@@ -63,7 +71,7 @@ class MapUnitTest {
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'FF6347' : 'Tomato',
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'FF4500' : 'Orange Red'
6573
]
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6775
map.eachWithIndex { key, val, index ->
6876
def indent = ((index == 0 || index % 2 == 0) ? " " : "")
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println "$indent Hex Code: $key = Color Name: $val"
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8290
println "Hex Code: $entry.key = Color Name: $entry.value"
8391
}
8492
}
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@Test
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void whenMapContainsKeyElement_thenCheckReturnsTrue() {
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def map = [a: 'd', b: 'e', c: 'f']
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assertTrue(map.containsKey('a'))
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assertFalse(map.containsKey('e'))
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assertTrue(map.containsValue('e'))
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}
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@Test
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void whenMapContainsKeyElement_thenCheckByMembershipReturnsTrue() {
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def map = [a: 'd', b: 'e', c: 'f']
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assertTrue('a' in map)
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assertFalse('f' in map)
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}
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@Test
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void whenMapContainsFalseBooleanValues_thenCheckReturnsFalse() {
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def map = [a: true, b: false, c: null]
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assertTrue(map.containsKey('b'))
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assertTrue('a' in map)
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assertFalse('b' in map)
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assertFalse('c' in map)
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}
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@Test
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void givenMapOfPerson_whenUsingStreamMatching_thenShouldEvaluateMap() {
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assertTrue(personMap.keySet().stream().anyMatch {it == "Regina"})
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assertFalse(personMap.keySet().stream().allMatch {it == "Albert"})
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assertFalse(personMap.values().stream().allMatch {it.age < 30})
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assertTrue(personMap.entrySet().stream().anyMatch {it.key == "Abagail" && it.value.lastname == "Ballard"})
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}
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@Test
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void givenMapOfPerson_whenUsingCollectionMatching_thenShouldEvaluateMap() {
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assertTrue(personMap.keySet().any {it == "Regina"})
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assertFalse(personMap.keySet().every {it == "Albert"})
133+
assertFalse(personMap.values().every {it.age < 30})
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assertTrue(personMap.any {firstname, person -> firstname == "Abagail" && person.lastname == "Ballard"})
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}
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137+
@Test
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void givenMapOfPerson_whenUsingCollectionFind_thenShouldReturnElements() {
139+
assertNotNull(personMap.find {it.key == "Abagail" && it.value.lastname == "Ballard"})
140+
assertTrue(personMap.findAll {it.value.age > 20}.size() == 3)
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}
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@Test
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void givenMapOfPerson_whenUsingStreamFind_thenShouldReturnElements() {
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assertTrue(
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personMap.entrySet().stream()
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.filter {it.key == "Abagail" && it.value.lastname == "Ballard"}
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.findAny().isPresent())
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assertTrue(
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personMap.entrySet().stream()
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.filter {it.value.age > 20}
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.findAll().size() == 3)
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}
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}

‎core-groovy/src/test/groovy/com/baeldung/set/SetUnitTest.groovy‎

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package com.baeldung.set
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import org.junit.Test
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import static org.junit.Assert.assertTrue
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class SetUnitTest {
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@Test
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void whenSetContainsElement_thenCheckReturnsTrue() {
11+
def set = ['a', 'b', 'c'] as Set
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assertTrue(set.contains('a'))
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assertTrue('a' in set)
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}
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}

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