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Refactor stream with indices (#2565) 

* Refactor RxJava

* Refactor Stream with indices
This commit is contained in:
Grzegorz Piwowarek 2017-09-05 23:55:15 +02:00 committed by GitHub
parent 830db34334
commit 7916882668
1 changed files with 19 additions and 17 deletions
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36
core-java/src/test/java/com/baeldung/stream/StreamIndicesTest.java
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@ -1,19 +1,18 @@
package com.baeldung.stream; package com.baeldung.stream;
import static org.junit.Assert.assertEquals; import com.codepoetics.protonpack.Indexed;
import org.junit.Test;
import java.util.Arrays; import java.util.Arrays;
import java.util.List; import java.util.List;
import org.junit.Test; import static org.junit.Assert.assertEquals;
import com.codepoetics.protonpack.Indexed;
public class StreamIndicesTest { public class StreamIndicesTest {
@Test @Test
public void givenArray_whenGetIndexedStrings_thenReturnListOfEvenIndexedStrings() { public void whenCalled_thenReturnListOfEvenIndexedStrings() {
String[] names = { "Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim" }; String[] names = {"Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim"};
List<String> expectedResult = Arrays.asList("Afrim", "Besim", "Durim"); List<String> expectedResult = Arrays.asList("Afrim", "Besim", "Durim");
List<String> actualResult = StreamIndices.getEvenIndexedStrings(names); List<String> actualResult = StreamIndices.getEvenIndexedStrings(names);
@ -21,8 +20,8 @@ public class StreamIndicesTest {
} }
@Test @Test
public void givenArray_whenGetIndexedStrings_thenReturnListOfEvenIndexedStringsVersionTwo() { public void whenCalled_thenReturnListOfEvenIndexedStringsVersionTwo() {
String[] names = { "Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim" }; String[] names = {"Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim"};
List<String> expectedResult = Arrays.asList("Afrim", "Besim", "Durim"); List<String> expectedResult = Arrays.asList("Afrim", "Besim", "Durim");
List<String> actualResult = StreamIndices.getEvenIndexedStrings(names); List<String> actualResult = StreamIndices.getEvenIndexedStrings(names);
@ -30,8 +29,8 @@ public class StreamIndicesTest {
} }
@Test @Test
public void givenArray_whenGetIndexedStrings_thenReturnListOfOddStrings() { public void whenCalled_thenReturnListOfOddStrings() {
String[] names = { "Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim" }; String[] names = {"Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim"};
List<String> expectedResult = Arrays.asList("Bashkim", "Lulzim", "Shpetim"); List<String> expectedResult = Arrays.asList("Bashkim", "Lulzim", "Shpetim");
List<String> actualResult = StreamIndices.getOddIndexedStrings(names); List<String> actualResult = StreamIndices.getOddIndexedStrings(names);
@ -39,30 +38,33 @@ public class StreamIndicesTest {
} }
@Test @Test
public void givenList_whenGetIndexedStrings_thenReturnListOfEvenIndexedStrings() { public void givenList_whenCalled_thenReturnListOfEvenIndexedStrings() {
List<String> names = Arrays.asList("Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim"); List<String> names = Arrays.asList("Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim");
List<Indexed<String>> expectedResult = Arrays.asList(Indexed.index(0, "Afrim"), Indexed.index(2, "Besim"), Indexed.index(4, "Durim")); List<Indexed<String>> expectedResult = Arrays
.asList(Indexed.index(0, "Afrim"), Indexed.index(2, "Besim"), Indexed
.index(4, "Durim"));
List<Indexed<String>> actualResult = StreamIndices.getEvenIndexedStrings(names); List<Indexed<String>> actualResult = StreamIndices.getEvenIndexedStrings(names);
assertEquals(expectedResult, actualResult); assertEquals(expectedResult, actualResult);
} }
@Test @Test
public void givenList_whenGetIndexedStrings_thenReturnListOfOddIndexedStrings() { public void givenList_whenCalled_thenReturnListOfOddIndexedStrings() {
List<String> names = Arrays.asList("Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim"); List<String> names = Arrays.asList("Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim");
List<Indexed<String>> expectedResult = Arrays.asList(Indexed.index(1, "Bashkim"), Indexed.index(3, "Lulzim"), Indexed.index(5, "Shpetim")); List<Indexed<String>> expectedResult = Arrays
.asList(Indexed.index(1, "Bashkim"), Indexed.index(3, "Lulzim"), Indexed
.index(5, "Shpetim"));
List<Indexed<String>> actualResult = StreamIndices.getOddIndexedStrings(names); List<Indexed<String>> actualResult = StreamIndices.getOddIndexedStrings(names);
assertEquals(expectedResult, actualResult); assertEquals(expectedResult, actualResult);
} }
@Test @Test
public void givenArray_whenGetIndexedStrings_thenReturnListOfOddStringsVersionTwo() { public void whenCalled_thenReturnListOfOddStringsVersionTwo() {
String[] names = { "Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim" }; String[] names = {"Afrim", "Bashkim", "Besim", "Lulzim", "Durim", "Shpetim"};
List<String> expectedResult = Arrays.asList("Bashkim", "Lulzim", "Shpetim"); List<String> expectedResult = Arrays.asList("Bashkim", "Lulzim", "Shpetim");
List<String> actualResult = StreamIndices.getOddIndexedStringsVersionTwo(names); List<String> actualResult = StreamIndices.getOddIndexedStringsVersionTwo(names);
assertEquals(expectedResult, actualResult); assertEquals(expectedResult, actualResult);
} }
} }