BAEL - 1577 hamcrest core matchers 2.0 version examples as test cases (#4214)

* BAEL-1577 : hamcrest core matchers examples added as test cases

* BAEL-1577 : Hamcrest java library 2.0.0.0 examples updated as test cases

* BAEL-1577 : changed test class name to HamcrestCoreMatchersTest to resolve conflicts
This commit is contained in:
Harsh Jain 2018-05-11 08:40:46 +05:30 committed by maibin
parent 07838a2d25
commit e166f5d9c9
2 changed files with 268 additions and 0 deletions

View File

@ -32,6 +32,14 @@
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.hamcrest/java-hamcrest -->
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>java-hamcrest</artifactId>
<version>${java-hamcrest.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
@ -52,6 +60,7 @@
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
<java-hamcrest.version>2.0.0.0</java-hamcrest.version>
</properties>
</project>

View File

@ -0,0 +1,259 @@
package org.baeldung.hamcrest;
import com.google.common.collect.Lists;
import org.junit.Test;
import java.util.List;
import static org.hamcrest.CoreMatchers.*;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.StringEndsWith.endsWith;
import static org.hamcrest.core.StringStartsWith.startsWith;
public class HamcrestCoreMatchersTest {
@Test
public void givenTestInput_WhenUsingIsForMatch() {
// GIVEN
String testString = "hamcrest core";
// ASSERT
assertThat(testString, is("hamcrest core"));
assertThat(testString, is(equalTo("hamcrest core")));
}
@Test
public void givenDifferentStaticTypeTestInput_WhenUsingEqualToObject_ThenCorrect() {
// GIVEN
Object original = 100;
// ASSERT
assertThat(original, equalToObject(100));
}
@Test
public void givenTestInput_WhenUsingInstanceOfForClassTypeCheck() {
assertThat("hamcrest", is(instanceOf(String.class)));
}
@Test
public void givenTestInput_WhenUsingIsA_ThenAssertType() {
assertThat("hamcrest core", isA(String.class));
}
@Test
public void givenTestInput_WhenUsingEqualToMatcherForEquality() {
// GIVEN
String actualString = "Hamcrest Core";
List<String> actualList = Lists.newArrayList("hamcrest", "core");
// ASSERT
assertThat(actualString, is(equalTo("Hamcrest Core")));
assertThat(actualList, is(equalTo(Lists.newArrayList("hamcrest", "core"))));
}
@Test
public void givenTestInput_WhenUsingNotForMatch() {
// GIVEN
String testString = "hamcrest";
// ASSERT
assertThat(testString, not("hamcrest core"));
assertThat(testString, is(not(equalTo("hamcrest core"))));
assertThat(testString, is(not(instanceOf(Integer.class))));
}
@Test
public void givenTestInput_WhenUsingNullValueForNullCheck() {
// GIVEN
Integer nullObject = null;
// ASSERT
assertThat(nullObject, is(nullValue()));
assertThat(nullObject, is(nullValue(Integer.class)));
}
@Test
public void givenTestInput_WhenUsingNotNullValueForNotNullCheck() {
// GIVEN
Integer testNumber = 123;
// ASSERT
assertThat(testNumber, is(notNullValue()));
assertThat(testNumber, is(notNullValue(Integer.class)));
}
@Test
public void givenString_WhenStartsWith_ThenCorrect() {
// GIVEN
String testString = "hamcrest core";
// ASSERT
assertThat(testString, startsWith("hamcrest"));
}
@Test
public void giveString_WhenStartsWithIgnoringCase_ThenCorrect() {
// GIVEN
String testString = "hamcrest core";
// ASSERT
assertThat(testString, startsWithIgnoringCase("HAMCREST"));
}
@Test
public void givenString_WhenEndsWith_ThenCorrect() {
// GIVEN
String testString = "hamcrest core";
// ASSERT
assertThat(testString, endsWith("core"));
}
@Test
public void givenString_WhenEndsWithIgnoringCase_ThenCorrect() {
// GIVEN
String testString = "hamcrest core";
// ASSERT
assertThat(testString, endsWithIgnoringCase("CORE"));
}
@Test
public void givenString_WhenContainsString_ThenCorrect() {
// GIVEN
String testString = "hamcrest core";
// ASSERT
assertThat(testString, containsString("co"));
}
@Test
public void givenString_WhenContainsStringIgnoringCase_ThenCorrect() {
// GIVEN
String testString = "hamcrest core";
// ASSERT
assertThat(testString, containsStringIgnoringCase("CO"));
}
@Test
public void givenTestInput_WhenUsingHasItemInCollection() {
// GIVEN
List<String> list = Lists.newArrayList("java", "spring", "baeldung");
// ASSERT
assertThat(list, hasItem("java"));
assertThat(list, hasItem(isA(String.class)));
}
@Test
public void givenTestInput_WhenUsingHasItemsInCollection() {
// GIVEN
List<String> list = Lists.newArrayList("java", "spring", "baeldung");
// ASSERT
assertThat(list, hasItems("java", "baeldung"));
assertThat(list, hasItems(isA(String.class), endsWith("ing")));
}
@Test
public void givenTestInput_WhenUsingAnyForClassType() {
assertThat("hamcrest", is(any(String.class)));
assertThat("hamcrest", is(any(Object.class)));
}
@Test
public void givenTestInput_WhenUsingAllOfForAllMatchers() {
// GIVEN
String testString = "Hamcrest Core";
// ASSERT
assertThat(testString, allOf(startsWith("Ham"), endsWith("ore"), containsString("Core")));
}
@Test
public void givenTestInput_WhenUsingAnyOfForAnyMatcher() {
// GIVEN
String testString = "Hamcrest Core";
// ASSERT
assertThat(testString, anyOf(startsWith("Ham"), containsString("baeldung")));
}
@Test
public void givenTestInput_WhenUsingBothForMatcher() {
// GIVEN
String testString = "Hamcrest Core Matchers";
// ASSERT
assertThat(testString, both(startsWith("Ham")).and(containsString("Core")));
}
@Test
public void givenTestInput_WhenUsingEitherForMatcher() {
// GIVEN
String testString = "Hamcrest Core Matchers";
// ASSERT
assertThat(testString, either(startsWith("Bael")).or(containsString("Core")));
}
@Test
public void givenTestInput_WhenUsingEveryItemForMatchInCollection() {
// GIVEN
List<String> testItems = Lists.newArrayList("Common", "Core", "Combinable");
// ASSERT
assertThat(testItems, everyItem(startsWith("Co")));
}
@Test
public void givenTwoTestInputs_WhenUsingSameInstanceForMatch() {
// GIVEN
String string1 = "hamcrest";
String string2 = string1;
// ASSERT
assertThat(string1, is(sameInstance(string2)));
}
@Test
public void givenTwoTestInputs_WhenUsingTheInstanceForMatch() {
// GIVEN
String string1 = "hamcrest";
String string2 = string1;
// ASSERT
assertThat(string1, is(theInstance(string2)));
}
}