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cleanup work

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This commit is contained in:
eugenp
2016-10-25 11:09:51 +03:00
parent a44be73deb
commit 2ab201d639
49 changed files with 489 additions and 653 deletions
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10
core-java/src/test/java/com/baeldung/CharToStringTest.java
View File

@@ -7,7 +7,7 @@ import static org.assertj.core.api.Assertions.assertThat;
public class CharToStringTest {
@Test
public void givenChar_whenCallingStringValueOf_shouldConvertToString(){
public void givenChar_whenCallingStringValueOf_shouldConvertToString() {
final char givenChar = 'x';
final String result = String.valueOf(givenChar);
@@ -16,7 +16,7 @@ public class CharToStringTest {
}
@Test
public void givenChar_whenCallingToStringOnCharacter_shouldConvertToString(){
public void givenChar_whenCallingToStringOnCharacter_shouldConvertToString() {
final char givenChar = 'x';
final String result = Character.toString(givenChar);
@@ -25,7 +25,7 @@ public class CharToStringTest {
}
@Test
public void givenChar_whenCallingCharacterConstructor_shouldConvertToString3(){
public void givenChar_whenCallingCharacterConstructor_shouldConvertToString3() {
final char givenChar = 'x';
final String result = new Character(givenChar).toString();
@@ -34,7 +34,7 @@ public class CharToStringTest {
}
@Test
public void givenChar_whenConcatenated_shouldConvertToString4(){
public void givenChar_whenConcatenated_shouldConvertToString4() {
final char givenChar = 'x';
final String result = givenChar + "";
@@ -43,7 +43,7 @@ public class CharToStringTest {
}
@Test
public void givenChar_whenFormated_shouldConvertToString5(){
public void givenChar_whenFormated_shouldConvertToString5() {
final char givenChar = 'x';
final String result = String.format("%c", givenChar);

4
core-java/src/test/java/com/baeldung/RandomListElementTest.java → core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java
View File

@@ -6,7 +6,7 @@ import org.junit.Test;
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
public class RandomListElementTest {
public class RandomListElementUnitTest {
@Test
public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingRandom() {
@@ -20,7 +20,7 @@ public class RandomListElementTest {
public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingMathRandom() {
List<Integer> givenList = Lists.newArrayList(1, 2, 3);
givenList.get((int)(Math.random() * givenList.size()));
givenList.get((int) (Math.random() * givenList.size()));
}
@Test

10
core-java/src/test/java/com/baeldung/StringToIntOrIntegerTest.java → core-java/src/test/java/com/baeldung/StringToIntOrIntegerUnitTest.java
View File

@@ -1,11 +1,12 @@
package com.baeldung;
import com.google.common.primitives.Ints;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class StringToIntOrIntegerTest {
import org.junit.Test;
import com.google.common.primitives.Ints;
public class StringToIntOrIntegerUnitTest {
@Test
public void givenString_whenParsingInt_shouldConvertToInt() {
@@ -16,7 +17,6 @@ public class StringToIntOrIntegerTest {
assertThat(result).isEqualTo(42);
}
@Test
public void givenString_whenCallingIntegerValueOf_shouldConvertToInt() {
String givenString = "42";

139
core-java/src/test/java/com/baeldung/collectors/Java8CollectorsTest.java
View File

@@ -42,192 +42,137 @@ public class Java8CollectorsTest {
@Test
public void whenCollectingToList_shouldCollectToList() throws Exception {
final List<String> result = givenList.stream()
.collect(toList());
final List<String> result = givenList.stream().collect(toList());
assertThat(result)
.containsAll(givenList);
assertThat(result).containsAll(givenList);
}
@Test
public void whenCollectingToList_shouldCollectToSet() throws Exception {
final Set<String> result = givenList.stream()
.collect(toSet());
final Set<String> result = givenList.stream().collect(toSet());
assertThat(result)
.containsAll(givenList);
assertThat(result).containsAll(givenList);
}
@Test
public void whenCollectingToCollection_shouldCollectToCollection() throws Exception {
final List<String> result = givenList.stream()
.collect(toCollection(LinkedList::new));
final List<String> result = givenList.stream().collect(toCollection(LinkedList::new));
assertThat(result)
.containsAll(givenList)
.isInstanceOf(LinkedList.class);
assertThat(result).containsAll(givenList).isInstanceOf(LinkedList.class);
}
@Test
public void whenCollectingToImmutableCollection_shouldThrowException() throws Exception {
assertThatThrownBy(() -> {
givenList.stream()
.collect(toCollection(ImmutableList::of));
givenList.stream().collect(toCollection(ImmutableList::of));
}).isInstanceOf(UnsupportedOperationException.class);
}
@Test
public void whenCollectingToMap_shouldCollectToMap() throws Exception {
final Map<String, Integer> result = givenList.stream()
.collect(toMap(Function.identity(), String::length));
final Map<String, Integer> result = givenList.stream().collect(toMap(Function.identity(), String::length));
assertThat(result)
.containsEntry("a", 1)
.containsEntry("bb", 2)
.containsEntry("ccc", 3)
.containsEntry("dd", 2);
assertThat(result).containsEntry("a", 1).containsEntry("bb", 2).containsEntry("ccc", 3).containsEntry("dd", 2);
}
@Test
public void whenCollectingToMap_shouldCollectToMapMerging() throws Exception {
final Map<String, Integer> result = givenList.stream()
.collect(toMap(Function.identity(), String::length, (i1, i2) -> i1));
final Map<String, Integer> result = givenList.stream().collect(toMap(Function.identity(), String::length, (i1, i2) -> i1));
assertThat(result)
.containsEntry("a", 1)
.containsEntry("bb", 2)
.containsEntry("ccc", 3)
.containsEntry("dd", 2);
assertThat(result).containsEntry("a", 1).containsEntry("bb", 2).containsEntry("ccc", 3).containsEntry("dd", 2);
}
@Test
public void whenCollectingAndThen_shouldCollect() throws Exception {
final List<String> result = givenList.stream()
.collect(collectingAndThen(toList(), ImmutableList::copyOf));
final List<String> result = givenList.stream().collect(collectingAndThen(toList(), ImmutableList::copyOf));
assertThat(result)
.containsAll(givenList)
.isInstanceOf(ImmutableList.class);
assertThat(result).containsAll(givenList).isInstanceOf(ImmutableList.class);
}
@Test
public void whenJoining_shouldJoin() throws Exception {
final String result = givenList.stream()
.collect(joining());
final String result = givenList.stream().collect(joining());
assertThat(result)
.isEqualTo("abbcccdd");
assertThat(result).isEqualTo("abbcccdd");
}
@Test
public void whenJoiningWithSeparator_shouldJoinWithSeparator() throws Exception {
final String result = givenList.stream()
.collect(joining(" "));
final String result = givenList.stream().collect(joining(" "));
assertThat(result)
.isEqualTo("a bb ccc dd");
assertThat(result).isEqualTo("a bb ccc dd");
}
@Test
public void whenJoiningWithSeparatorAndPrefixAndPostfix_shouldJoinWithSeparatorPrePost() throws Exception {
final String result = givenList.stream()
.collect(joining(" ", "PRE-", "-POST"));
final String result = givenList.stream().collect(joining(" ", "PRE-", "-POST"));
assertThat(result)
.isEqualTo("PRE-a bb ccc dd-POST");
assertThat(result).isEqualTo("PRE-a bb ccc dd-POST");
}
@Test
public void whenPartitioningBy_shouldPartition() throws Exception {
final Map<Boolean, List<String>> result = givenList.stream()
.collect(partitioningBy(s -> s.length() > 2));
final Map<Boolean, List<String>> result = givenList.stream().collect(partitioningBy(s -> s.length() > 2));
assertThat(result)
.containsKeys(true, false)
.satisfies(booleanListMap -> {
assertThat(booleanListMap.get(true))
.contains("ccc");
assertThat(result).containsKeys(true, false).satisfies(booleanListMap -> {
assertThat(booleanListMap.get(true)).contains("ccc");
assertThat(booleanListMap.get(false))
.contains("a", "bb", "dd");
});
assertThat(booleanListMap.get(false)).contains("a", "bb", "dd");
});
}
@Test
public void whenCounting_shouldCount() throws Exception {
final Long result = givenList.stream()
.collect(counting());
final Long result = givenList.stream().collect(counting());
assertThat(result)
.isEqualTo(4);
assertThat(result).isEqualTo(4);
}
@Test
public void whenSummarizing_shouldSummarize() throws Exception {
final DoubleSummaryStatistics result = givenList.stream()
.collect(summarizingDouble(String::length));
final DoubleSummaryStatistics result = givenList.stream().collect(summarizingDouble(String::length));
assertThat(result.getAverage())
.isEqualTo(2);
assertThat(result.getCount())
.isEqualTo(4);
assertThat(result.getMax())
.isEqualTo(3);
assertThat(result.getMin())
.isEqualTo(1);
assertThat(result.getSum())
.isEqualTo(8);
assertThat(result.getAverage()).isEqualTo(2);
assertThat(result.getCount()).isEqualTo(4);
assertThat(result.getMax()).isEqualTo(3);
assertThat(result.getMin()).isEqualTo(1);
assertThat(result.getSum()).isEqualTo(8);
}
@Test
public void whenAveraging_shouldAverage() throws Exception {
final Double result = givenList.stream()
.collect(averagingDouble(String::length));
final Double result = givenList.stream().collect(averagingDouble(String::length));
assertThat(result)
.isEqualTo(2);
assertThat(result).isEqualTo(2);
}
@Test
public void whenSumming_shouldSum() throws Exception {
final Double result = givenList.stream()
.collect(summingDouble(String::length));
final Double result = givenList.stream().collect(summingDouble(String::length));
assertThat(result)
.isEqualTo(8);
assertThat(result).isEqualTo(8);
}
@Test
public void whenMaxingBy_shouldMaxBy() throws Exception {
final Optional<String> result = givenList.stream()
.collect(maxBy(Comparator.naturalOrder()));
final Optional<String> result = givenList.stream().collect(maxBy(Comparator.naturalOrder()));
assertThat(result)
.isPresent()
.hasValue("dd");
assertThat(result).isPresent().hasValue("dd");
}
@Test
public void whenGroupingBy_shouldGroupBy() throws Exception {
final Map<Integer, Set<String>> result = givenList.stream()
.collect(groupingBy(String::length, toSet()));
final Map<Integer, Set<String>> result = givenList.stream().collect(groupingBy(String::length, toSet()));
assertThat(result)
.containsEntry(1, newHashSet("a"))
.containsEntry(2, newHashSet("bb", "dd"))
.containsEntry(3, newHashSet("ccc"));
assertThat(result).containsEntry(1, newHashSet("a")).containsEntry(2, newHashSet("bb", "dd")).containsEntry(3, newHashSet("ccc"));
}
@Test
public void whenCreatingCustomCollector_shouldCollect() throws Exception {
final ImmutableSet<String> result = givenList.stream()
.collect(toImmutableSet());
final ImmutableSet<String> result = givenList.stream().collect(toImmutableSet());
assertThat(result)
.isInstanceOf(ImmutableSet.class)
.contains("a", "bb", "ccc", "dd");
assertThat(result).isInstanceOf(ImmutableSet.class).contains("a", "bb", "ccc", "dd");
}

17
core-java/src/test/java/com/baeldung/completablefuture/CompletableFutureTest.java
View File

@@ -43,7 +43,6 @@ public class CompletableFutureTest {
}
public Future<String> calculateAsyncWithCancellation() throws InterruptedException {
CompletableFuture<String> completableFuture = new CompletableFuture<>();
@@ -56,7 +55,6 @@ public class CompletableFutureTest {
return completableFuture;
}
@Test(expected = CancellationException.class)
public void whenCancelingTheFuture_thenThrowsCancellationException() throws ExecutionException, InterruptedException {
@@ -110,8 +108,7 @@ public class CompletableFutureTest {
@Test
public void whenUsingThenCompose_thenFuturesExecuteSequentially() throws ExecutionException, InterruptedException {
CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello")
.thenCompose(s -> CompletableFuture.supplyAsync(() -> s + " World"));
CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello").thenCompose(s -> CompletableFuture.supplyAsync(() -> s + " World"));
assertEquals("Hello World", completableFuture.get());
@@ -120,9 +117,7 @@ public class CompletableFutureTest {
@Test
public void whenUsingThenCombine_thenWaitForExecutionOfBothFutures() throws ExecutionException, InterruptedException {
CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello")
.thenCombine(CompletableFuture.supplyAsync(() -> " World"),
(s1, s2) -> s1 + s2);
CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello").thenCombine(CompletableFuture.supplyAsync(() -> " World"), (s1, s2) -> s1 + s2);
assertEquals("Hello World", completableFuture.get());
@@ -131,9 +126,7 @@ public class CompletableFutureTest {
@Test
public void whenUsingThenAcceptBoth_thenWaitForExecutionOfBothFutures() throws ExecutionException, InterruptedException {
CompletableFuture.supplyAsync(() -> "Hello")
.thenAcceptBoth(CompletableFuture.supplyAsync(() -> " World"),
(s1, s2) -> System.out.println(s1 + s2));
CompletableFuture.supplyAsync(() -> "Hello").thenAcceptBoth(CompletableFuture.supplyAsync(() -> " World"), (s1, s2) -> System.out.println(s1 + s2));
}
@@ -154,9 +147,7 @@ public class CompletableFutureTest {
assertTrue(future2.isDone());
assertTrue(future3.isDone());
String combined = Stream.of(future1, future2, future3)
.map(CompletableFuture::join)
.collect(Collectors.joining(" "));
String combined = Stream.of(future1, future2, future3).map(CompletableFuture::join).collect(Collectors.joining(" "));
assertEquals("Hello Beautiful World", combined);

2
core-java/src/test/java/com/baeldung/dateapi/JavaUtilTimeTest.java → core-java/src/test/java/com/baeldung/dateapi/JavaUtilTimeUnitTest.java
View File

@@ -14,7 +14,7 @@ import java.time.temporal.ChronoUnit;
import static org.assertj.core.api.Assertions.assertThat;
public class JavaUtilTimeTest {
public class JavaUtilTimeUnitTest {
@Test
public void currentTime() {

71
core-java/src/test/java/com/baeldung/functionalinterface/FunctionalInterfaceTest.java → core-java/src/test/java/com/baeldung/functionalinterface/FunctionalInterfaceUnitTest.java
View File

@@ -1,7 +1,8 @@
package com.baeldung.functionalinterface;
import com.google.common.util.concurrent.Uninterruptibles;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.HashMap;
@@ -13,54 +14,43 @@ import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static org.junit.Assert.*;
import org.junit.Test;
public class FunctionalInterfaceTest {
import com.google.common.util.concurrent.Uninterruptibles;
public class FunctionalInterfaceUnitTest {
@Test
public void whenPassingLambdaToComputeIfAbsent_thenTheValueGetsComputedAndPutIntoMap() {
Map<String, Integer> nameMap = new HashMap<>();
Integer value = nameMap.computeIfAbsent("John", s -> s.length());
assertEquals(new Integer(4), nameMap.get("John"));
assertEquals(new Integer(4), value);
}
@Test
public void whenPassingMethodReferenceToComputeIfAbsent_thenTheValueGetsComputedAndPutIntoMap() {
Map<String, Integer> nameMap = new HashMap<>();
Integer value = nameMap.computeIfAbsent("John", String::length);
assertEquals(new Integer(4), nameMap.get("John"));
assertEquals(new Integer(4), value);
}
public byte[] transformArray(short[] array, ShortToByteFunction function) {
byte[] transformedArray = new byte[array.length];
for (int i = 0; i < array.length; i++) {
transformedArray[i] = function.applyAsByte(array[i]);
}
return transformedArray;
}
@Test
public void whenUsingCustomFunctionalInterfaceForPrimitives_thenCanUseItAsLambda() {
short[] array = {(short) 1, (short) 2, (short) 3};
short[] array = { (short) 1, (short) 2, (short) 3 };
byte[] transformedArray = transformArray(array, s -> (byte) (s * 2));
byte[] expectedArray = {(byte) 2, (byte) 4, (byte) 6};
byte[] expectedArray = { (byte) 2, (byte) 4, (byte) 6 };
assertArrayEquals(expectedArray, transformedArray);
}
@Test
public void whenUsingBiFunction_thenCanUseItToReplaceMapValues() {
Map<String, Integer> salaries = new HashMap<>();
salaries.put("John", 40000);
salaries.put("Freddy", 30000);
@@ -71,22 +61,18 @@ public class FunctionalInterfaceTest {
assertEquals(new Integer(50000), salaries.get("John"));
assertEquals(new Integer(30000), salaries.get("Freddy"));
assertEquals(new Integer(60000), salaries.get("Samuel"));
}
@Test
public void whenPassingLambdaToThreadConstructor_thenLambdaInferredToRunnable() {
Thread thread = new Thread(() -> System.out.println("Hello From Another Thread"));
thread.start();
}
@Test
public void whenUsingSupplierToGenerateNumbers_thenCanUseItInStreamGenerate() {
int[] fibs = {0, 1};
int[] fibs = { 0, 1 };
Stream<Integer> fibonacci = Stream.generate(() -> {
int result = fibs[1];
int fib3 = fibs[0] + fibs[1];
@@ -95,55 +81,44 @@ public class FunctionalInterfaceTest {
return result;
});
List<Integer> fibonacci5 = fibonacci.limit(5)
.collect(Collectors.toList());
List<Integer> fibonacci5 = fibonacci.limit(5).collect(Collectors.toList());
assertEquals(new Integer(1), fibonacci5.get(0));
assertEquals(new Integer(1), fibonacci5.get(1));
assertEquals(new Integer(2), fibonacci5.get(2));
assertEquals(new Integer(3), fibonacci5.get(3));
assertEquals(new Integer(5), fibonacci5.get(4));
}
@Test
public void whenUsingConsumerInForEach_thenConsumerExecutesForEachListElement() {
List<String> names = Arrays.asList("John", "Freddy", "Samuel");
names.forEach(name -> System.out.println("Hello, " + name));
}
@Test
public void whenUsingBiConsumerInForEach_thenConsumerExecutesForEachMapElement() {
Map<String, Integer> ages = new HashMap<>();
ages.put("John", 25);
ages.put("Freddy", 24);
ages.put("Samuel", 30);
ages.forEach((name, age) -> System.out.println(name + " is " + age + " years old"));
}
@Test
public void whenUsingPredicateInFilter_thenListValuesAreFilteredOut() {
List<String> names = Arrays.asList("Angela", "Aaron", "Bob", "Claire", "David");
List<String> namesWithA = names.stream()
.filter(name -> name.startsWith("A"))
.collect(Collectors.toList());
List<String> namesWithA = names.stream().filter(name -> name.startsWith("A")).collect(Collectors.toList());
assertEquals(2, namesWithA.size());
assertTrue(namesWithA.contains("Angela"));
assertTrue(namesWithA.contains("Aaron"));
}
@Test
public void whenUsingUnaryOperatorWithReplaceAll_thenAllValuesInTheListAreReplaced() {
List<String> names = Arrays.asList("bob", "josh", "megan");
names.replaceAll(String::toUpperCase);
@@ -151,7 +126,6 @@ public class FunctionalInterfaceTest {
assertEquals("BOB", names.get(0));
assertEquals("JOSH", names.get(1));
assertEquals("MEGAN", names.get(2));
}
@Test
@@ -159,8 +133,7 @@ public class FunctionalInterfaceTest {
List<Integer> values = Arrays.asList(3, 5, 8, 9, 12);
int sum = values.stream()
.reduce(0, (i1, i2) -> i1 + i2);
int sum = values.stream().reduce(0, (i1, i2) -> i1 + i2);
assertEquals(37, sum);
@@ -178,10 +151,6 @@ public class FunctionalInterfaceTest {
}
public double squareLazy(Supplier<Double> lazyValue) {
return Math.pow(lazyValue.get(), 2);
}
@Test
public void whenUsingSupplierToGenerateValue_thenValueIsGeneratedLazily() {
@@ -196,4 +165,18 @@ public class FunctionalInterfaceTest {
}
//
public double squareLazy(Supplier<Double> lazyValue) {
return Math.pow(lazyValue.get(), 2);
}
public byte[] transformArray(short[] array, ShortToByteFunction function) {
byte[] transformedArray = new byte[array.length];
for (int i = 0; i < array.length; i++) {
transformedArray[i] = function.applyAsByte(array[i]);
}
return transformedArray;
}
}

111
core-java/src/test/java/com/baeldung/java/reflection/ReflectionTest.java → core-java/src/test/java/com/baeldung/java/reflection/ReflectionUnitTest.java
View File

@@ -11,7 +11,7 @@ import java.util.List;
import java.util.ArrayList;
import static org.junit.Assert.*;
public class ReflectionTest {
public class ReflectionUnitTest {
@Test
public void givenObject_whenGetsFieldNamesAtRuntime_thenCorrect() {
@@ -20,8 +20,7 @@ public class ReflectionTest {
List<String> actualFieldNames = getFieldNames(fields);
assertTrue(Arrays.asList("name", "age")
.containsAll(actualFieldNames));
assertTrue(Arrays.asList("name", "age").containsAll(actualFieldNames));
}
@Test
@@ -35,8 +34,7 @@ public class ReflectionTest {
}
@Test
public void givenClassName_whenCreatesObject_thenCorrect()
throws ClassNotFoundException {
public void givenClassName_whenCreatesObject_thenCorrect() throws ClassNotFoundException {
Class<?> clazz = Class.forName("com.baeldung.java.reflection.Goat");
assertEquals("Goat", clazz.getSimpleName());
@@ -45,8 +43,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenRecognisesModifiers_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenRecognisesModifiers_thenCorrect() throws ClassNotFoundException {
Class<?> goatClass = Class.forName("com.baeldung.java.reflection.Goat");
Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
int goatMods = goatClass.getModifiers();
@@ -80,8 +77,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsImplementedInterfaces_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsImplementedInterfaces_thenCorrect() throws ClassNotFoundException {
Class<?> goatClass = Class.forName("com.baeldung.java.reflection.Goat");
Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
Class<?>[] goatInterfaces = goatClass.getInterfaces();
@@ -94,8 +90,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsConstructor_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsConstructor_thenCorrect() throws ClassNotFoundException {
Class<?> goatClass = Class.forName("com.baeldung.java.reflection.Goat");
Constructor<?>[] constructors = goatClass.getConstructors();
@@ -104,8 +99,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsFields_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsFields_thenCorrect() throws ClassNotFoundException {
Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
Field[] fields = animalClass.getDeclaredFields();
@@ -116,20 +110,17 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsMethods_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsMethods_thenCorrect() throws ClassNotFoundException {
Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
Method[] methods = animalClass.getDeclaredMethods();
List<String> actualMethods = getMethodNames(methods);
assertEquals(4, actualMethods.size());
assertTrue(actualMethods.containsAll(Arrays.asList("getName",
"setName", "getSound")));
assertTrue(actualMethods.containsAll(Arrays.asList("getName", "setName", "getSound")));
}
@Test
public void givenClass_whenGetsAllConstructors_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsAllConstructors_thenCorrect() throws ClassNotFoundException {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Constructor<?>[] constructors = birdClass.getConstructors();
@@ -137,24 +128,20 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsEachConstructorByParamTypes_thenCorrect()
throws Exception {
public void givenClass_whenGetsEachConstructorByParamTypes_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Constructor<?> cons1 = birdClass.getConstructor();
Constructor<?> cons2 = birdClass.getConstructor(String.class);
Constructor<?> cons3 = birdClass.getConstructor(String.class,
boolean.class);
Constructor<?> cons3 = birdClass.getConstructor(String.class, boolean.class);
}
@Test
public void givenClass_whenInstantiatesObjectsAtRuntime_thenCorrect()
throws Exception {
public void givenClass_whenInstantiatesObjectsAtRuntime_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Constructor<?> cons1 = birdClass.getConstructor();
Constructor<?> cons2 = birdClass.getConstructor(String.class);
Constructor<?> cons3 = birdClass.getConstructor(String.class,
boolean.class);
Constructor<?> cons3 = birdClass.getConstructor(String.class, boolean.class);
Bird bird1 = (Bird) cons1.newInstance();
Bird bird2 = (Bird) cons2.newInstance("Weaver bird");
@@ -168,8 +155,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsPublicFields_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsPublicFields_thenCorrect() throws ClassNotFoundException {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Field[] fields = birdClass.getFields();
assertEquals(1, fields.length);
@@ -178,8 +164,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsPublicFieldByName_thenCorrect()
throws Exception {
public void givenClass_whenGetsPublicFieldByName_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Field field = birdClass.getField("CATEGORY");
assertEquals("CATEGORY", field.getName());
@@ -187,8 +172,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsDeclaredFields_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsDeclaredFields_thenCorrect() throws ClassNotFoundException {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Field[] fields = birdClass.getDeclaredFields();
assertEquals(1, fields.length);
@@ -196,8 +180,7 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsFieldsByName_thenCorrect()
throws Exception {
public void givenClass_whenGetsFieldsByName_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Field field = birdClass.getDeclaredField("walks");
assertEquals("walks", field.getName());
@@ -205,17 +188,14 @@ public class ReflectionTest {
}
@Test
public void givenClassField_whenGetsType_thenCorrect()
throws Exception {
Field field = Class.forName("com.baeldung.java.reflection.Bird")
.getDeclaredField("walks");
public void givenClassField_whenGetsType_thenCorrect() throws Exception {
Field field = Class.forName("com.baeldung.java.reflection.Bird").getDeclaredField("walks");
Class<?> fieldClass = field.getType();
assertEquals("boolean", fieldClass.getSimpleName());
}
@Test
public void givenClassField_whenSetsAndGetsValue_thenCorrect()
throws Exception {
public void givenClassField_whenSetsAndGetsValue_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Bird bird = (Bird) birdClass.newInstance();
Field field = birdClass.getDeclaredField("walks");
@@ -232,8 +212,7 @@ public class ReflectionTest {
}
@Test
public void givenClassField_whenGetsAndSetsWithNull_thenCorrect()
throws Exception {
public void givenClassField_whenGetsAndSetsWithNull_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Field field = birdClass.getField("CATEGORY");
field.setAccessible(true);
@@ -242,21 +221,17 @@ public class ReflectionTest {
}
@Test
public void givenClass_whenGetsAllPublicMethods_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsAllPublicMethods_thenCorrect() throws ClassNotFoundException {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Method[] methods = birdClass.getMethods();
List<String> methodNames = getMethodNames(methods);
assertTrue(methodNames.containsAll(Arrays
.asList("equals", "notifyAll", "hashCode",
"walks", "eats", "toString")));
assertTrue(methodNames.containsAll(Arrays.asList("equals", "notifyAll", "hashCode", "walks", "eats", "toString")));
}
@Test
public void givenClass_whenGetsOnlyDeclaredMethods_thenCorrect()
throws ClassNotFoundException {
public void givenClass_whenGetsOnlyDeclaredMethods_thenCorrect() throws ClassNotFoundException {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
List<String> actualMethodNames = getMethodNames(birdClass.getDeclaredMethods());
@@ -269,12 +244,10 @@ public class ReflectionTest {
}
@Test
public void givenMethodName_whenGetsMethod_thenCorrect()
throws Exception {
public void givenMethodName_whenGetsMethod_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Method walksMethod = birdClass.getDeclaredMethod("walks");
Method setWalksMethod = birdClass.getDeclaredMethod("setWalks",
boolean.class);
Method setWalksMethod = birdClass.getDeclaredMethod("setWalks", boolean.class);
assertFalse(walksMethod.isAccessible());
assertFalse(setWalksMethod.isAccessible());
@@ -288,12 +261,10 @@ public class ReflectionTest {
}
@Test
public void givenMethod_whenInvokes_thenCorrect()
throws Exception {
public void givenMethod_whenInvokes_thenCorrect() throws Exception {
Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
Bird bird = (Bird) birdClass.newInstance();
Method setWalksMethod = birdClass.getDeclaredMethod("setWalks",
boolean.class);
Method setWalksMethod = birdClass.getDeclaredMethod("setWalks", boolean.class);
Method walksMethod = birdClass.getDeclaredMethod("walks");
boolean walks = (boolean) walksMethod.invoke(bird);
@@ -308,19 +279,19 @@ public class ReflectionTest {
}
private static List<String> getFieldNames(Field[] fields) {
List<String> fieldNames = new ArrayList<>();
for (Field field : fields)
fieldNames.add(field.getName());
return fieldNames;
private static List<String> getFieldNames(Field[] fields) {
List<String> fieldNames = new ArrayList<>();
for (Field field : fields)
fieldNames.add(field.getName());
return fieldNames;
}
}
private static List<String> getMethodNames(Method[] methods) {
List<String> methodNames = new ArrayList<>();
for (Method method : methods)
methodNames.add(method.getName());
return methodNames;
}
private static List<String> getMethodNames(Method[] methods) {
List<String> methodNames = new ArrayList<>();
for (Method method : methods)
methodNames.add(method.getName());
return methodNames;
}
}

3
core-java/src/test/java/com/baeldung/java/regex/RegexTest.java → core-java/src/test/java/com/baeldung/java/regex/RegexUnitTest.java
View File

@@ -7,7 +7,7 @@ import java.util.regex.Pattern;
import org.junit.Test;
public class RegexTest {
public class RegexUnitTest {
private static Pattern pattern;
private static Matcher matcher;
@@ -499,4 +499,3 @@ public class RegexTest {
return matches;
}
}

3
core-java/src/test/java/com/baeldung/printscreen/ScreenshotTest.java → core-java/src/test/java/com/baeldung/printscreen/ScreenshotUnitTest.java
View File

@@ -7,8 +7,7 @@ import java.io.File;
import static org.junit.Assert.assertTrue;
public class ScreenshotTest {
public class ScreenshotUnitTest {
private Screenshot screenshot = new Screenshot("Screenshot.jpg");
private File file = new File("Screenshot.jpg");

72
core-java/src/test/java/com/baeldung/socket/EchoMultiTest.java
View File

@@ -17,43 +17,43 @@ public class EchoMultiTest {
Thread.sleep(500);
}
@Test
public void givenClient1_whenServerResponds_thenCorrect() {
EchoClient client = new EchoClient();
client.startConnection("127.0.0.1", PORT);
String msg1 = client.sendMessage("hello");
String msg2 = client.sendMessage("world");
String terminate = client.sendMessage(".");
@Test
public void givenClient1_whenServerResponds_thenCorrect() {
EchoClient client = new EchoClient();
client.startConnection("127.0.0.1", PORT);
String msg1 = client.sendMessage("hello");
String msg2 = client.sendMessage("world");
String terminate = client.sendMessage(".");
assertEquals(msg1, "hello");
assertEquals(msg2, "world");
assertEquals(terminate, "bye");
client.stopConnection();
}
assertEquals(msg1, "hello");
assertEquals(msg2, "world");
assertEquals(terminate, "bye");
client.stopConnection();
}
@Test
public void givenClient2_whenServerResponds_thenCorrect() {
EchoClient client = new EchoClient();
client.startConnection("127.0.0.1", PORT);
String msg1 = client.sendMessage("hello");
String msg2 = client.sendMessage("world");
String terminate = client.sendMessage(".");
assertEquals(msg1, "hello");
assertEquals(msg2, "world");
assertEquals(terminate, "bye");
client.stopConnection();
}
@Test
public void givenClient2_whenServerResponds_thenCorrect() {
EchoClient client = new EchoClient();
client.startConnection("127.0.0.1", PORT);
String msg1 = client.sendMessage("hello");
String msg2 = client.sendMessage("world");
String terminate = client.sendMessage(".");
assertEquals(msg1, "hello");
assertEquals(msg2, "world");
assertEquals(terminate, "bye");
client.stopConnection();
}
@Test
public void givenClient3_whenServerResponds_thenCorrect() {
EchoClient client = new EchoClient();
client.startConnection("127.0.0.1", PORT);
String msg1 = client.sendMessage("hello");
String msg2 = client.sendMessage("world");
String terminate = client.sendMessage(".");
assertEquals(msg1, "hello");
assertEquals(msg2, "world");
assertEquals(terminate, "bye");
client.stopConnection();
}
@Test
public void givenClient3_whenServerResponds_thenCorrect() {
EchoClient client = new EchoClient();
client.startConnection("127.0.0.1", PORT);
String msg1 = client.sendMessage("hello");
String msg2 = client.sendMessage("world");
String terminate = client.sendMessage(".");
assertEquals(msg1, "hello");
assertEquals(msg2, "world");
assertEquals(terminate, "bye");
client.stopConnection();
}
}

40
core-java/src/test/java/com/baeldung/socket/EchoTest.java
View File

@@ -18,28 +18,28 @@ public class EchoTest {
Thread.sleep(500);
}
private EchoClient client = new EchoClient();
private EchoClient client = new EchoClient();
@Before
public void init() {
client.startConnection("127.0.0.1", PORT);
}
@Before
public void init() {
client.startConnection("127.0.0.1", PORT);
}
@Test
public void givenClient_whenServerEchosMessage_thenCorrect() {
@Test
public void givenClient_whenServerEchosMessage_thenCorrect() {
String resp1 = client.sendMessage("hello");
String resp2 = client.sendMessage("world");
String resp3 = client.sendMessage("!");
String resp4 = client.sendMessage(".");
assertEquals("hello", resp1);
assertEquals("world", resp2);
assertEquals("!", resp3);
assertEquals("good bye", resp4);
}
String resp1 = client.sendMessage("hello");
String resp2 = client.sendMessage("world");
String resp3 = client.sendMessage("!");
String resp4 = client.sendMessage(".");
assertEquals("hello", resp1);
assertEquals("world", resp2);
assertEquals("!", resp3);
assertEquals("good bye", resp4);
}
@After
public void tearDown() {
client.stopConnection();
}
@After
public void tearDown() {
client.stopConnection();
}
}

4
core-java/src/test/java/com/baeldung/socket/GreetServerTest.java → core-java/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java
View File

@@ -9,7 +9,7 @@ import java.util.concurrent.Executors;
import static org.junit.Assert.assertEquals;
public class GreetServerTest {
public class GreetServerIntegrationTest {
private GreetClient client;
@@ -24,7 +24,7 @@ public class GreetServerTest {
@Before
public void init() {
client = new GreetClient();
client.startConnection("127.0.0.1", PORT);
client.startConnection("127.0.0.1", PORT);
}