winterbe/expekt

class ExpektTest {
    @Test
    fun helloExpekt() {
        23.should.equal(23)
        "Kotlin".should.not.contain("Scala")
        listOf(1, 2, 3).should.have.size.above(1)
    }
}

<dependency>
    <groupId>com.winterbe</groupId>
    <artifactId>expekt</artifactId>
    <version>0.5.0</version>
    <scope>test</scope>
</dependency>

testCompile "com.winterbe:expekt:0.5.0"

import com.winterbe.expekt.expect
import com.winterbe.expekt.should

class FailingTest {
    @Test
    fun thisTestFails() {
        3.4.should.be.closeTo(3.2, delta = 0.1)
    }
}

java.lang.AssertionError: 3.4 should be closeTo 3.2 ±0.1

	at com.winterbe.expekt.ExpectAny.fail(ExpectAny.kt:77)
	at com.winterbe.expekt.ExpectAny.verify(ExpectAny.kt:68)
	at com.winterbe.expekt.ExpectDouble.closeTo(ExpectDouble.kt:12)
	at com.example.ExampleTest.example1(ExampleTest.kt:10)

23.should.equal(23)
null.should.be.`null`
"foo".should.not.equal("bar")
3.should.satisfy { it % 2 == 1 }
3.should.be.above(2).and.below(4)
"abc".should.contain("bc").and.startWith("a")
"abc".should.not.have.length.above(3)
"abc".should.not.match(Regex("[0-9]+"))
listOf(1, 2, 3).should.contain(3).and.have.length.above(2)
listOf(1, 2, 3).should.contain.any.elements(1, 3, 4)
listOf(1, 2, 3).should.have.all.elements(1, 2, 3)
mapOf("foo" to "bar", "bar" to "foo").should.contain("foo" to "bar")

expect(23).to.equal(23)
expect(null).to.be.`null`
expect("foo").not.to.equal("bar")
expect(3).not.to.satisfy { it % 2 == 1 }
expect(3).to.be.above(2).and.to.be.below(4)
expect("abc").to.contain("bc").and.to.startWith("a")
expect("abc").not.to.have.length.above(3)
expect("abc").not.to.match(Regex("[0-9]+"))
expect(listOf(1, 2, 3)).to.contain(3).and.to.have.length.above(2)
expect(listOf(1, 2, 3)).to.contain.any.elements(1, 3, 4)
expect(listOf(1, 2, 3)).to.have.all.elements(1, 2, 3)
expect(mapOf("foo" to "bar", "bar" to "foo")).to.contain("foo" to "bar")