Hi All, after upgrading build gradle tools from 4.0.2 to 4.1.0 my jacoco coverage reports state zero percentage of coverage, anyone experiencing the same issue? I'm using jacoco plugin 0.8.6

hey ppl, I'm looking at the kotlin repo (https://github.com/JetBrains/kotlin) to look up good approaches for writing tests. However, I'm a bit overwhelming by the amount of tests. So, I would like to ask if you know some good files to have as an example to be followed

I'm using Android Studio, but I'm working in a plain old java/kotlin lib/module I have this test that runs correctly

@Test
    fun `one plus one`() {
        val result = 1 + 1
        assertThat(result).isEqualTo(2)
    }

but when I add

@BeforeClass
    fun setup() {

    }

Then I get an error rerunning the test. "No tests found for given includes:" Ideas? I've looked on stackoverflow and it seems that having the tests run with intellij vs gradle could be the culprit but my test does actually run successfully without the setup step added and so I'm hard pressed as to why adding that simple block would be making things act strange. Edit: Figured it out. Needed @BeforeClass @JvmStatic and put that method in a companion object.

Good Morning / Good Afternoon. We are looking to do end-to-end testing for our Kotlin microservices. We have previously used https://cucumber.io/docs/installation/kotlin/ and i am wondering if anyone has used any different tools/tech which could be of advantage to us. Thanks

Hey folks, is there a way to make

org.junit...

not importable in tests of multiplatform project? For context, I only have

kotlin('test')

and

kotlin('test-annotations-common')

in

commonTest

and

kotlin('test-junit')

in

jvmTest

. No direct dependency to JUnit whatsoever, but it’s still importable because it’s still in the classpath I guess?

I'd like to hear if anyone has a take on this as well. Because Gradle brings in a bunch of dependencies, Intellij suggests to use tools I haven't explicitly intended.

Are there alternative ways to test a Kotlin Native library (like Com Bot SSH for example - https://gitlab.com/com-bot/combot-ssh ) in the same project without having to rely on Unit testing? What I want to do is develop a test program (to do manual library testing) in the same project where the Kotlin library resides, that can test some things which Unit testing doesn't cover (eg networking).

Which library are you using for snapshot testing in Kotlin, if any? 🙂

Cross posting here https://kotlinlang.slack.com/archives/C0B8L3U69/p1638332223084600 because I think it is relevant to this channel as well

I have a plain old little java library with about 20 unit tests, but now I want to just change one variable for the tests so that I have 40 tests (its the same 20 tests, ran twice, with different inputs). How can you do that with kotlin + gradle?

Running tests stopped showing results in the test result pane. All I get now is the gradle run pane. Any way to get it back? (edited) i.e. this pane is missing when running my tests. I tried invalidate/restart with no luck

hey everyone, can I get some guidance on why this test is not failing? Thanks

@RunWith(AndroidJUnit4::class)
class LoginTest {

    @get:Rule
    val composeTestRule = createAndroidComposeRule<MainActivity>()

    @Test
    fun logInButtonEnabledTest() {

        composeTestRule.setContent {
            WHApplicationTheme {
                LoginScreen({}, {}, {})
            }
        }

        val email = "sampl"
        val password = "Sa"

        val isValidEmail: Boolean = EmailValidator.isValid(email)
        val isValidPassword: Boolean = PasswordValidator.isValid(password)

        if (isValidEmail && isValidPassword) {
            composeTestRule
                .onNodeWithTag(EMAIL_TEXT_FIELD)
                .performTextInput(email)
            composeTestRule
                .onNodeWithTag(PASSWORD_TEXT_FIELD)
                .performTextInput(password)
        }

        composeTestRule
            .onNodeWithTag(LOG_IN_BUTTON)
            .performClick()
    }
}


interface FormValidator {
    fun isValid(value: String): Boolean
}


object PasswordValidator : FormValidator {

    override fun isValid(value: String): Boolean {
        return value.length > 5 && !value.contains(" ")
    }
}


object EmailValidator : FormValidator {

    override fun isValid(value: String): Boolean {
        val emailCheck = "^[A-Za-z](.*)([@])(.+)(\\.)(.+)"
        return emailCheck.toRegex().matches(value)
    }
}

Cross Positing here just because I think it is relevant https://kotlinlang.slack.com/archives/C0B8L3U69/p1645320100575809?thread_ts=1645138502.823009&cid=C0B8L3U69

klip@0.4.1 is out with the reworked persistence strategy that now works on the browser tests too! Give it a go if you've already upgraded to kotlin 1.7.0. WTH is klip you might ask? Well it's a test snapshot library for the entirety of KMP powered by a tiny kotlin compiler plugin. In short it lets you assert current state of your test output data vs some previously frozen version of it to ensure consistency and no changes. If you're familiar with jest snapshot testing - it's exactly that but for KMP. Slack Conversation

Hi 👋 folks! How do you create a test suite for kotlin common tests ?

Is there anything built in to check if a String matches a regex? I know I could assertTrue with a Regex, but I’d like the output to give me the failing string and the regex if it fails.

Anyone has any idea to write a unit test for this ViewModel file? I appreciate if you can give me an example code or any keyword for me to search the issue? Thank you very much

Hello friends, is there a test automation framework in Kotlin like Cypress (http://cypress.io)?

Has anyone figured out how to write dynamic tests on native? I'm fine with using undocumented/unstable/internal APIs if that helps.

Does anyone have a good open-sourced example project where StateFlow is covered with unit tests? Ideally with Turbine library.

Hey folks, I'm trying o write a fake implementation of a sealed interface on my unit tests. But I get an

Inheritance of sealed classes or interfaces from different module is prohibited

error. I assumed that the tests source would be part of the same module as the production code. Am I missing something? Any tips?

Hi, all. I"m looking for any information on using mock objects when writing tests for Kotlin multiplatform apps. Any recommendations would be appreciated.

Hey! I’m working on adding a robust baseline profile to my Wear OS app. I’m running into a strange issue where sometimes

device.findObject(By.res(…))

returns null. I can see all queried elements are on screen. I haven’t seen any documentation mentioning that this methods behaves in a best effort fashion. Has anyone experienced this before or know why this happens? I’ve not been able to determine a rhyme or reason for this behavior. Here, is an excerpt from my StartupBaselineProfile that’s through an exception:

device.findObject(By.res(UiTestingTags.HMOBatterView)).also { batterView ->
    device.wait(Until.hasObject(By.res(UiTestingTags.HMOBatterViewBalls)), 10_000)
    // Increment the number of balls until the "walk" dialog displays.
    batterView.findObject(By.res(UiTestingTags.HMOBatterViewBalls)).also { ballsButton ->
        ...
    }
}

Specifically the NPE happens:

batterView.findObject(By.res(UiTestingTags.HMOBatterViewBalls))

I performed a clean and rebuild and the code ran without exception. I’m not sure if this is a factor in the matter but I’m testing on a WearOS emulator (Wear OS Large Round API 33)

General question on organizing tests: do folks tend to (or is there a convention to) structure the directories and packages in

src/test

to match

src/main

?

Does anyone know why kotlin-test is not being published with gradle metadata and instead requires adding kotlin-test-common, kotlin-test-js, and kotlin-test-annotations separately?

Following up on this message, because I’m running into issue while generating baseline profiles. Does anyone know under what circumstances

UiDevice.findObject()

will return

null

?

Hi <!here>, Since we have the #test channel, which is older and more populated, can I delete this one? If there is a reason for having both channels, please let me know, and I’ll help rearrange them in a way that won’t confuse the community.

archived the channel