From a323d64d757781a9e52dd8a4a8303a12cd0c444b Mon Sep 17 00:00:00 2001 From: Blue Montag Software Date: Sun, 17 Sep 2017 11:05:27 -0300 Subject: [PATCH] JIRA issue : BAEL-960. Collection Factory Methods for Vavr. User: ignaciogallego@gmail.com (#2517) * New test class for the collections factory methods in vavr * rename unit test for collection factory methods --- .../CollectionFactoryMethodsUnitTest.java | 107 ++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 vavr/src/test/java/com/baeldung/vavr/collections/CollectionFactoryMethodsUnitTest.java diff --git a/vavr/src/test/java/com/baeldung/vavr/collections/CollectionFactoryMethodsUnitTest.java b/vavr/src/test/java/com/baeldung/vavr/collections/CollectionFactoryMethodsUnitTest.java new file mode 100644 index 0000000000..60359d6803 --- /dev/null +++ b/vavr/src/test/java/com/baeldung/vavr/collections/CollectionFactoryMethodsUnitTest.java @@ -0,0 +1,107 @@ +package com.baeldung.vavr.collections; + +import static io.vavr.API.Array; +import static io.vavr.API.Failure; +import static io.vavr.API.List; +import static io.vavr.API.None; +import static io.vavr.API.Some; +import static io.vavr.API.Stream; +import static io.vavr.API.Success; +import static io.vavr.API.Tuple; +import static io.vavr.API.Vector; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import org.junit.Test; + +import io.vavr.Tuple3; +import io.vavr.collection.Array; +import io.vavr.collection.List; +import io.vavr.collection.Stream; +import io.vavr.collection.Vector; +import io.vavr.control.Option; +import io.vavr.control.Try; + +public class CollectionFactoryMethodsUnitTest { + + @Test + public void givenANoneOptionElement_whenCreated_thenCorrect() { + Option none = None(); + assertFalse(none == null); + assertEquals(none, Option.none()); + } + + @Test + public void givenASomeOptionElement_whenCreated_thenCorrect() { + Option some = Some(1); + assertFalse(some == null); + assertTrue(some.contains(1)); + } + + @Test + public void givenATupleElement_whenCreated_thenCorrect() { + Tuple3 tuple = Tuple('a', "chain", 2); + assertTrue(tuple!=null); + assertEquals(tuple._1(), new Character('a')); + assertEquals(tuple._2(), "chain"); + assertEquals(tuple._3().intValue(), 2); + } + + @Test + public void givenASuccessObject_whenEvaluated_thenSuccess() { + Try integer = Success(55); + assertEquals(integer.get().intValue(), 55); + } + @Test + public void givenAFailureObject_whenEvaluated_thenExceptionThrown() { + Try failure = Failure(new Exception("Exception X encapsulated here")); + + try { + Integer i = failure.get();// evaluate a failure raise the exception + System.out.println(i);// not executed + } catch (Exception e) { + assertEquals(e.getMessage(), "Exception X encapsulated here"); + } + } + + @Test + public void givenAList_whenCreated_thenCorrect() { + List list = List(1, 2, 3, 4, 5); + + assertEquals(list.size(), 5); + assertEquals(list.get(0).intValue(), 1); + } + + @Test + public void givenAnEmptyList_whenCreated_thenCorrect() { + List empty = List(); + + assertEquals(empty.size(), 0); + assertEquals(empty, List.empty()); + } + + @Test + public void givenAnArray_whenCreated_thenCorrect() { + Array array = Array(1, 2, 3, 4, 5); + + assertEquals(array.size(), 5); + assertEquals(array.get(0).intValue(), 1); + } + + @Test + public void givenAStream_whenCreated_thenCorrect() { + Stream stream = Stream(1, 2, 3, 4, 5); + + assertEquals(stream.size(), 5); + assertEquals(stream.get(0).intValue(), 1); + } + + @Test + public void givenAVector_whenCreated_thenCorrect() { + Vector vector = Vector(1, 2, 3, 4, 5); + + assertEquals(vector.size(), 5); + assertEquals(vector.get(0).intValue(), 1); + } +}