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BAEL-1580: Hamcrest number matchers. (#3749) 

* BAEL-1580: Hamcrest number matchers.

* BAEL-1580: Moving hamcrest test to module mockito.
This commit is contained in:
Magdalena Krause 2018-03-06 12:46:35 -03:00 committed by Grzegorz Piwowarek
parent 5d66bb2945
commit 1bb98e491d
1 changed files with 152 additions and 0 deletions
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152
testing-modules/mockito/src/test/java/org/baeldung/hamcrest/HamcrestNumberUnitTest.java Normal file
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package org.baeldung.hamcrest;
import org.junit.Test;
import java.math.BigDecimal;
import java.time.LocalDate;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
import static org.hamcrest.Matchers.closeTo;
public class HamcrestNumberUnitTest {
@Test
public void givenADouble_whenCloseTo_thenCorrect() {
double actual = 1.3;
double operand = 1;
double error = 0.5;
assertThat(actual, is(closeTo(operand, error)));
}
@Test
public void givenADouble_whenNotCloseTo_thenCorrect() {
double actual = 1.6;
double operand = 1;
double error = 0.5;
assertThat(actual, is(not(closeTo(operand, error))));
}
@Test
public void givenABigDecimal_whenCloseTo_thenCorrect() {
BigDecimal actual = new BigDecimal("1.0003");
BigDecimal operand = new BigDecimal("1");
BigDecimal error = new BigDecimal("0.0005");
assertThat(actual, is(closeTo(operand, error)));
}
@Test
public void givenABigDecimal_whenNotCloseTo_thenCorrect() {
BigDecimal actual = new BigDecimal("1.0006");
BigDecimal operand = new BigDecimal("1");
BigDecimal error = new BigDecimal("0.0005");
assertThat(actual, is(not(closeTo(operand, error))));
}
@Test
public void given7_whenGreaterThan5_thenCorrect() {
Integer seven = 7;
Integer five = 5;
assertThat(seven, is(greaterThan(five)));
}
@Test
public void given7_whenGreaterThanOrEqualTo5_thenCorrect() {
Integer seven = 7;
Integer five = 5;
assertThat(seven, is(greaterThanOrEqualTo(five)));
}
@Test
public void given5_whenGreaterThanOrEqualTo5_thenCorrect() {
Integer five = 5;
assertThat(five, is(greaterThanOrEqualTo(five)));
}
@Test
public void given3_whenLessThan5_thenCorrect() {
Integer three = 3;
Integer five = 5;
assertThat(three, is(lessThan(five)));
}
@Test
public void given3_whenLessThanOrEqualTo5_thenCorrect() {
Integer three = 3;
Integer five = 5;
assertThat(three, is(lessThanOrEqualTo(five)));
}
@Test
public void given5_whenLessThanOrEqualTo5_thenCorrect() {
Integer five = 5;
assertThat(five, is(lessThanOrEqualTo(five)));
}
@Test
public void givenBenjamin_whenGreaterThanAmanda_thenCorrect() {
String amanda = "Amanda";
String benjamin = "Benjamin";
assertThat(benjamin, is(greaterThan(amanda)));
}
@Test
public void givenAmanda_whenLessThanBenajmin_thenCorrect() {
String amanda = "Amanda";
String benjamin = "Benjamin";
assertThat(amanda, is(lessThan(benjamin)));
}
@Test
public void givenToday_whenGreaterThanYesterday_thenCorrect() {
LocalDate today = LocalDate.now();
LocalDate yesterday = today.minusDays(1);
assertThat(today, is(greaterThan(yesterday)));
}
@Test
public void givenToday_whenLessThanTomorrow_thenCorrect() {
LocalDate today = LocalDate.now();
LocalDate tomorrow = today.plusDays(1);
assertThat(today, is(lessThan(tomorrow)));
}
@Test
public void givenAmanda_whenOlderThanBenjamin_thenCorrect() {
Person amanda = new Person("Amanda", 20);
Person benjamin = new Person("Benjamin", 18);
assertThat(amanda, is(greaterThan(benjamin)));
}
@Test
public void givenBenjamin_whenYoungerThanAmanda_thenCorrect() {
Person amanda = new Person("Amanda", 20);
Person benjamin = new Person("Benjamin", 18);
assertThat(benjamin, is(lessThan(amanda)));
}
class Person implements Comparable<Person> {
String name;
int age;
public Person(String name, int age) {
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
@Override
public int compareTo(Person o) {
if (this.age == o.getAge()) return 0;
if (this.age > o.age) return 1;
else return -1;
}
}
}