diff --git a/guava/src/test/java/org/baeldung/hamcrest/Animal.java b/guava/src/test/java/org/baeldung/hamcrest/Animal.java new file mode 100644 index 0000000000..1a0266f5a3 --- /dev/null +++ b/guava/src/test/java/org/baeldung/hamcrest/Animal.java @@ -0,0 +1,33 @@ +package org.baeldung.hamcrest; + +public class Animal { + String name; + boolean wild; + String sound; + + public Animal(String name, boolean wild, String sound) { + super(); + this.name = name; + this.wild = wild; + this.sound = sound; + } + public String getName() { + return name; + } + public void setName(String name) { + this.name = name; + } + public boolean isWild() { + return wild; + } + public void setWild(boolean wild) { + this.wild = wild; + } + public String getSound() { + return sound; + } + public void setSound(String sound) { + this.sound = sound; + } + +} diff --git a/guava/src/test/java/org/baeldung/hamcrest/Cat.java b/guava/src/test/java/org/baeldung/hamcrest/Cat.java new file mode 100644 index 0000000000..892e5b6e30 --- /dev/null +++ b/guava/src/test/java/org/baeldung/hamcrest/Cat.java @@ -0,0 +1,13 @@ +package org.baeldung.hamcrest; + +public class Cat extends Animal { + + public Cat() { + super("cat", false, "meow"); + } + + public String makeSound() { + return getSound(); + } + +} diff --git a/guava/src/test/java/org/baeldung/hamcrest/HamcrestMatcherTest.java b/guava/src/test/java/org/baeldung/hamcrest/HamcrestMatcherTest.java new file mode 100644 index 0000000000..fb8fd463c4 --- /dev/null +++ b/guava/src/test/java/org/baeldung/hamcrest/HamcrestMatcherTest.java @@ -0,0 +1,340 @@ +package org.baeldung.hamcrest; + +import static org.baeldung.hamcrest.IsPositiveInteger.isAPositiveInteger; +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.equalTo; +import static org.hamcrest.Matchers.greaterThan; +import static org.hamcrest.Matchers.greaterThanOrEqualTo; +import static org.hamcrest.Matchers.lessThan; +import static org.hamcrest.Matchers.lessThanOrEqualTo; +import static org.hamcrest.Matchers.closeTo; +import static org.hamcrest.beans.HasProperty.hasProperty; +import static org.hamcrest.beans.HasPropertyWithValue.hasProperty; +import static org.hamcrest.beans.SamePropertyValuesAs.samePropertyValuesAs; +import static org.hamcrest.collection.IsArrayContaining.hasItemInArray; +import static org.hamcrest.collection.IsArrayContainingInAnyOrder.arrayContainingInAnyOrder; +import static org.hamcrest.collection.IsArrayContainingInOrder.arrayContaining; +import static org.hamcrest.collection.IsArrayWithSize.arrayWithSize; +import static org.hamcrest.collection.IsCollectionWithSize.hasSize; +import static org.hamcrest.collection.IsEmptyCollection.empty; +import static org.hamcrest.collection.IsIn.isIn; +import static org.hamcrest.collection.IsIn.isOneOf; +import static org.hamcrest.collection.IsMapContaining.hasKey; +import static org.hamcrest.collection.IsMapContaining.hasEntry; +import static org.hamcrest.collection.IsMapContaining.hasValue; +import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInAnyOrder; +import static org.hamcrest.collection.IsIterableContainingInOrder.contains; +import static org.hamcrest.text.IsEqualIgnoringCase.equalToIgnoringCase; +import static org.hamcrest.text.IsEmptyString.isEmptyOrNullString; +import static org.hamcrest.text.IsEmptyString.isEmptyString; +import static org.hamcrest.text.IsEqualIgnoringWhiteSpace.equalToIgnoringWhiteSpace; +import static org.hamcrest.text.StringContainsInOrder.stringContainsInOrder; +import static org.hamcrest.object.HasToString.hasToString; +import static org.hamcrest.object.IsCompatibleType.typeCompatibleWith; +import static org.hamcrest.core.AllOf.allOf; +import static org.hamcrest.core.AnyOf.anyOf; +import static org.hamcrest.core.Every.everyItem; +import static org.hamcrest.core.Is.is;//class +import static org.hamcrest.core.IsInstanceOf.instanceOf; +import static org.hamcrest.core.IsNot.not;//matcher +import static org.hamcrest.core.IsNull.notNullValue;//without arg +import static org.hamcrest.core.IsSame.sameInstance; +import static org.hamcrest.core.StringContains.containsString; +import static org.hamcrest.core.StringEndsWith.endsWith; +import static org.hamcrest.core.StringStartsWith.startsWith; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.junit.Test; + +public class HamcrestMatcherTest { + @Test + public void given2Strings_whenEqual_thenCorrect() { + String a = "foo"; + String b = "FOO"; + assertThat(a, equalToIgnoringCase(b)); + } + + @Test + public void givenBean_whenHasValue_thenCorrect() { + Person person = new Person("Baeldung", "New York"); + assertThat(person, hasProperty("name")); + } + + @Test + public void givenBean_whenHasCorrectValue_thenCorrect() { + Person person = new Person("Baeldung", "New York"); + assertThat(person, hasProperty("address", equalTo("New York"))); + } + + @Test + public void given2Beans_whenHavingSameValues_thenCorrect() { + Person person1 = new Person("Baeldung", "New York"); + Person person2 = new Person("Baeldung", "New York"); + assertThat(person1, samePropertyValuesAs(person2)); + } + + @Test + public void givenAList_whenChecksSize_thenCorrect() { + List hamcrestMatchers = Arrays.asList("collections", "beans", + "text", "number"); + assertThat(hamcrestMatchers, hasSize(4)); + } + + @Test + public void givenArray_whenChecksSize_thenCorrect() { + String[] hamcrestMatchers = { "collections", "beans", "text", "number" }; + assertThat(hamcrestMatchers, arrayWithSize(4)); + } + + @Test + public void givenAListAndValues_whenChecksListForGivenValues_thenCorrect() { + List hamcrestMatchers = Arrays.asList("collections", "beans", + "text", "number"); + assertThat(hamcrestMatchers, + containsInAnyOrder("beans", "text", "collections", "number")); + } + + @Test + public void givenAListAndValues_whenChecksListForGivenValuesWithOrder_thenCorrect() { + List hamcrestMatchers = Arrays.asList("collections", "beans", + "text", "number"); + assertThat(hamcrestMatchers, + contains("collections", "beans", "text", "number")); + } + + @Test + public void givenArrayAndValue_whenValueFoundInArray_thenCorrect() { + String[] hamcrestMatchers = { "collections", "beans", "text", "number" }; + assertThat(hamcrestMatchers, hasItemInArray("text")); + + } + + @Test + public void givenValueAndArray_whenValueIsOneOfArrayElements_thenCorrect() { + String[] hamcrestMatchers = { "collections", "beans", "text", "number" }; + assertThat("text", isOneOf(hamcrestMatchers)); + + } + + @Test + public void givenArrayAndValues_whenValuesFoundInArray_thenCorrect() { + String[] hamcrestMatchers = { "collections", "beans", "text", "number" }; + assertThat( + hamcrestMatchers, + arrayContainingInAnyOrder("beans", "collections", "number", + "text")); + + } + + @Test + public void givenArrayAndValues_whenValuesFoundInArrayInOrder_thenCorrect() { + String[] hamcrestMatchers = { "collections", "beans", "text", "number" }; + assertThat(hamcrestMatchers, + arrayContaining("collections", "beans", "text", "number")); + + } + + @Test + public void givenCollection_whenEmpty_thenCorrect() { + List emptyList = new ArrayList<>(); + assertThat(emptyList, empty()); + + } + + @Test + public void givenValueAndArray_whenValueFoundInArray_thenCorrect() { + String[] array = new String[] { "collections", "beans", "text", + "number" }; + assertThat("bean", isIn(array)); + + } + + @Test + public void givenMapAndKey_whenKeyFoundInMap_thenCorrect() { + Map map = new HashMap<>(); + map.put("blogname", "baeldung"); + assertThat(map, hasKey("blogname")); + } + + @Test + public void givenMapAndEntry_whenEntryFoundInMap_thenCorrect() { + Map map = new HashMap<>(); + map.put("blogname", "baeldung"); + assertThat(map, hasEntry("blogname", "baeldung")); + } + + @Test + public void givenMapAndValue_whenValueFoundInMap_thenCorrect() { + Map map = new HashMap<>(); + map.put("blogname", "baeldung"); + assertThat(map, hasValue("baeldung")); + } + + @Test + public void givenString_whenEmpty_thenCorrect() { + String str = ""; + assertThat(str, isEmptyString()); + } + + @Test + public void givenString_whenEmptyOrNull_thenCorrect() { + String str = null; + assertThat(str, isEmptyOrNullString()); + } + + @Test + public void given2Strings_whenEqualRegardlessWhiteSpace_thenCorrect() { + String str1 = "text"; + String str2 = " text "; + assertThat(str1, equalToIgnoringWhiteSpace(str2)); + } + + @Test + public void givenString_whenContainsGivenSubstring_thenCorrect() { + String str = "calligraphy"; + assertThat(str, stringContainsInOrder(Arrays.asList("call", "graph"))); + } + + @Test + public void givenBean_whenToStringReturnsRequiredString_thenCorrect() { + Person person = new Person("Barrack", "Washington"); + String str = person.toString(); + assertThat(person, hasToString(str)); + } + + @Test + public void given2Classes_whenOneInheritsFromOther_thenCorrect() { + assertThat(Cat.class, typeCompatibleWith(Animal.class)); + } + + + @Test + public void given2Strings_whenIsEqualRegardlessWhiteSpace_thenCorrect() { + String str1 = "text"; + String str2 = " text "; + assertThat(str1, is(equalToIgnoringWhiteSpace(str2))); + } + + @Test + public void given2Strings_whenIsNotEqualRegardlessWhiteSpace_thenCorrect() { + String str1 = "text"; + String str2 = " texts "; + assertThat(str1, not(equalToIgnoringWhiteSpace(str2))); + } + + @Test + public void given2Strings_whenNotEqual_thenCorrect() { + String str1 = "text"; + String str2 = "texts"; + assertThat(str1, not(str2)); + } + + @Test + public void given2Strings_whenIsEqual_thenCorrect() { + String str1 = "text"; + String str2 = "text"; + assertThat(str1, is(str2)); + } + + @Test + public void givenAStrings_whenContainsAnotherGivenString_thenCorrect() { + String str1 = "calligraphy"; + String str2 = "call"; + assertThat(str1, containsString(str2)); + } + + @Test + public void givenAString_whenEndsWithAnotherGivenString_thenCorrect() { + String str1 = "calligraphy"; + String str2 = "phy"; + assertThat(str1, endsWith(str2)); + } + + @Test + public void givenAString_whenStartsWithAnotherGivenString_thenCorrect() { + String str1 = "calligraphy"; + String str2 = "call"; + assertThat(str1, startsWith(str2)); + } + + @Test + public void given2Objects_whenSameInstance_thenCorrect() { + Cat cat = new Cat(); + assertThat(cat, sameInstance(cat)); + } + + @Test + public void givenAnObject_whenInstanceOfGivenClass_thenCorrect() { + Cat cat = new Cat(); + assertThat(cat, instanceOf(Cat.class)); + } + + @Test + public void givenList_whenEachElementGreaterThan0_thenCorrect() { + List list = Arrays.asList(1, 2, 3); + int baseCase = 0; + assertThat(list, everyItem(greaterThan(baseCase))); + } + + @Test + public void givenString_whenNotNull_thenCorrect() { + String str = "notnull"; + assertThat(str, notNullValue()); + } + + @Test + public void givenString_whenMeetsAnyOfGivenConditions_thenCorrect() { + String str = "calligraphy"; + String start = "call"; + String end = "foo"; + assertThat(str, anyOf(startsWith(start), containsString(end))); + } + + @Test + public void givenString_whenMeetsAllOfGivenConditions_thenCorrect() { + String str = "calligraphy"; + String start = "call"; + String end = "foo"; + assertThat(str, allOf(startsWith(start), endsWith(end))); + } + + @Test + public void givenInteger_whenAPositiveValue_thenCorrect() { + int num = 1; + assertThat(num, isAPositiveInteger()); + } + + @Test + public void givenAnInteger_whenGreaterThan0_thenCorrect() { + int num = 1; + assertThat(num, greaterThan(0)); + } + + @Test + public void givenAnInteger_whenGreaterThanOrEqTo5_thenCorrect() { + int num = 5; + assertThat(num, greaterThanOrEqualTo(5)); + } + + @Test + public void givenAnInteger_whenLessThan0_thenCorrect() { + int num = -1; + assertThat(num, lessThan(0)); + } + + @Test + public void givenAnInteger_whenLessThanOrEqTo5_thenCorrect() { + assertThat(-1, lessThanOrEqualTo(5)); + } + + @Test + public void givenADouble_whenCloseTo_thenCorrect() { + assertThat(1.2, closeTo(1, 0.5)); + } + +} diff --git a/guava/src/test/java/org/baeldung/hamcrest/IsPositiveInteger.java b/guava/src/test/java/org/baeldung/hamcrest/IsPositiveInteger.java new file mode 100644 index 0000000000..0d8d262538 --- /dev/null +++ b/guava/src/test/java/org/baeldung/hamcrest/IsPositiveInteger.java @@ -0,0 +1,24 @@ +package org.baeldung.hamcrest; + +import org.hamcrest.Description; +import org.hamcrest.Factory; +import org.hamcrest.Matcher; +import org.hamcrest.TypeSafeMatcher; + +public class IsPositiveInteger extends TypeSafeMatcher { + + public void describeTo(Description description) { + description.appendText("a positive integer"); + } + + @Factory + public static Matcher isAPositiveInteger() { + return new IsPositiveInteger(); + } + + @Override + protected boolean matchesSafely(Integer integer) { + return integer > 0; + } + +} diff --git a/guava/src/test/java/org/baeldung/hamcrest/Person.java b/guava/src/test/java/org/baeldung/hamcrest/Person.java new file mode 100644 index 0000000000..0053c98043 --- /dev/null +++ b/guava/src/test/java/org/baeldung/hamcrest/Person.java @@ -0,0 +1,37 @@ +package org.baeldung.hamcrest; + +public class Person { + String name; + String address; + + public Person(String personName, String personAddress) { + name = personName; + address = personAddress; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getAddress() { + return address; + } + + public void setAddress(String address) { + this.address = address; + } + + @Override + public String toString() { + String str="[address:"+address+",name:"+name+"]"; + return str; + } + + + + +}