TestMu 2025 - The Largest Virtual Software Testing Conference is Back | 50,000+ Attendees

How to use ExpectSpecDataTest class of io.kotest.datatest.styles package

Best Kotest code snippet using io.kotest.datatest.styles.ExpectSpecDataTest

ExpectSpecDataTest.kt

Source:ExpectSpecDataTest.kt

...5import io.kotest.datatest.registerContextTests6import io.kotest.datatest.registerRootTests7import io.kotest.matchers.shouldBe8@ExperimentalKotest9class ExpectSpecDataTest : ExpectSpec() {10   init {11      val results = registerRootTests()12      var count = 013      afterTest {14         count++15      }16      afterSpec {17         results.assertDataTestResults()18         count shouldBe 10419      }20      context("inside a context") {21         registerContextTests().assertDataTestResults()22         context("inside another context") {23            registerContextTests().assertDataTestResults()...

ExpectSpecDataTest

Using AI Code Generation

1import io.kotest.datatest.forAll2import io.kotest.datatest.withData3import io.kotest.matchers.shouldBe4import io.kotest.core.spec.style.ExpectSpec5import io.kotest.datatest.styles.ExpectSpecDataTest6class ExpectSpecDataTestExample : ExpectSpecDataTest() {7    init {8        withData(9        ) { (a, b) ->10            expect("$a * 2 == $b") {11            }12        }13        withData(14        ) { (a, b) ->15            expect("$a * 2 == $b") {16            }17        }18    }19}20import io.kotest.datatest.forAll21import io.kotest.datatest.withData22import io.kotest.matchers.shouldBe23import io.kotest.core.spec.style.FeatureSpec24import io.kotest.datatest.styles.FeatureSpecDataTest25class FeatureSpecDataTestExample : FeatureSpecDataTest() {26    init {27        withData(28        ) { (a, b) ->29            feature("$a * 2 == $b") {30                scenario("test") {31                }32            }33        }34        withData(35        ) { (a, b) ->36            feature("$a * 2 == $b") {37                scenario("test") {38                }39            }40        }41    }42}43import io.kotest.datatest.forAll44import io.kotest.datatest.withData45import io.kotest.matchers.shouldBe46import io.kotest.core.spec.style.FreeSpec47import io.kotest.datatest.styles.FreeSpecDataTest48class FreeSpecDataTestExample : FreeSpecDataTest()

ExpectSpecDataTest

Using AI Code Generation

1    import io.kotest.datatest.withData2    import io.kotest.matchers.shouldBe3    import io.kotest.matchers.shouldNotBe4    import io.kotest.core.spec.style.ExpectSpec5    import io.kotest.datatest.withData6    import io.kotest.matchers.shouldBe7    import io.kotest.matchers.shouldNotBe8    class ExpectSpecDataTest : ExpectSpec({9        context("data tests") {10            withData(11            ) { a, b ->12            }13        }14    })15    import io.kotest.core.spec.style.FeatureSpec16    import io.kotest.matchers.shouldBe17    class FeatureSpecTest : FeatureSpec({18        feature("a feature") {19            scenario("a scenario") {20            }21        }22    })23    import io.kotest.core.spec.style.FreeSpec24    import io.kotest.matchers.shouldBe25    class FreeSpecTest : FreeSpec({26        "a feature" - {27            "a scenario" {28            }29        }30    })

ExpectSpecDataTest

Using AI Code Generation

1data class MyData(val a: Int, val b: Int)2fun MyData.add() = a + b3class ExpectSpecDataTestExample : ExpectSpecDataTest<MyData>(4MyData(1, 2),5MyData(2, 3),6MyData(3, 4)7) {8init {9expect("addition") {10}11}12}13data class MyData(val a: Int, val b: Int)14fun MyData.add() = a + b15class FeatureSpecDataTestExample : FeatureSpecDataTest<MyData>(16MyData(1, 2),17MyData(2, 3),18MyData(3, 4)19) {20init {21feature("addition") {22}23}24}25data class MyData(val a: Int, val b: Int)26fun MyData.add() = a + b27class FunSpecDataTestExample : FunSpecDataTest<MyData>(28MyData(1, 2),29MyData(2, 3),30MyData(3, 4)31) {32init {33test("addition") {34}35}36}37data class MyData(val a: Int, val b: Int)38fun MyData.add() = a + b39class FreeSpecDataTestExample : FreeSpecDataTest<MyData>(40MyData(1, 2),41MyData(2, 3),42MyData(3, 4)43) {44init {45"addition" - {46}47}48}49data class MyData(val a: Int, val b: Int)50fun MyData.add() = a + b

ExpectSpecDataTest

Using AI Code Generation

1class ExpectSpecDataTestExample : ExpectSpecDataTest({2    data class Data(val a: Int, val b: Int, val c: Int)3    val data = listOf(4        Data(1, 2, 3),5        Data(2, 3, 5),6        Data(3, 4, 7),7        Data(4, 5, 9),8        Data(5, 6, 11)9    dataTest("a + b should be c") {10        data.forEach { (a, b, c) ->11            expect(a + b).toBe(c)12        }13    }14})

Blogs

Check out the latest blogs from LambdaTest on this topic:

What exactly do Scrum Masters perform throughout the course of a typical day

Many theoretical descriptions explain the role of the Scrum Master as a vital member of the Scrum team. However, these descriptions do not provide an honest answer to the fundamental question: “What are the day-to-day activities of a Scrum Master?”

Different Ways To Style CSS Box Shadow Effects

Have you ever visited a website that only has plain text and images? Most probably, no. It’s because such websites do not exist now. But there was a time when websites only had plain text and images with almost no styling. For the longest time, websites did not focus on user experience. For instance, this is how eBay’s homepage looked in 1999.

How Testers Can Remain Valuable in Agile Teams

Traditional software testers must step up if they want to remain relevant in the Agile environment. Agile will most probably continue to be the leading form of the software development process in the coming years.

Rebuild Confidence in Your Test Automation

These days, development teams depend heavily on feedback from automated tests to evaluate the quality of the system they are working on.

The Art of Testing the Untestable

It’s strange to hear someone declare, “This can’t be tested.” In reply, I contend that everything can be tested. However, one must be pleased with the outcome of testing, which might include failure, financial loss, or personal injury. Could anything be tested when a claim is made with this understanding?

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.