ZIO Test is a zero dependency testing library that makes it easy to test effectual programs.
See here for more informations here: https://zio.dev/docs/usecases/usecases_testing
Questions tagged [zio-test]
29 questions
11
votes
7 answers
How to test an exception case with zio-test
I have the following function, that I want to test:
def people(id: Int): RIO[R, People]
This function returns People if there is one for that id, resp. fails if not, like:
IO.fail(ServiceException(s"No People with id $id"))
The happy case works,…
pme
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7
votes
1 answer
How to enforce to run ZIO Tests sequentially
I want to run two integration tests sequentially. How can this be achieved in ZIO Test?
Here is the Suite:
suite("Undeploy a Package")(
testM("There is a Package") {
PackageDeployer.deploy(pckg) *> // first deploy
…
pme
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6
votes
1 answer
Is there a way to add a descriptive Assert message in a Boolean ZIO Test
I have a couple of Booleans I want to test, like
assert(g8Exists, equalTo(true)) &&
assert(projectExists, equalTo(true)) &&
assert(testenvExists, equalTo(true)) ...
If one fails, all I get is:
false did not satisfy equalTo(true)
No clue which line…
pme
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- 3
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4
votes
2 answers
How do I assert that an Option contains something in zio-test?
I tried
assert(anOption)(contains("x"))
But that only works for Iterables such as List or Seq.
Thilo
- 257,207
- 101
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- 656
4
votes
1 answer
How to ignore a Suite or a Test in ZIO Test?
I could not find anything on how to ignore a Suite or a Test with ZIO Test.
Whether in an example nor in the documentation (https://zio.dev/docs/usecases/usecases_testing)
There is an ignored in the test package object:
/**
* Creates an ignored…
pme
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- 3
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2
votes
1 answer
How do I suppress or redirect (e.g. to a file) Testcontainer output in Testcontainers Scala with ZIO Test?
I am using ZIO 2 and ZIO Test with plain testcontainers-scala.
The test looks like this:
object MongoRepositorySpec extends ZIOSpecDefault:
object TestLayers:
val mongoTestcontainer: ZLayer[Any, Throwable, MongoDBContainer] =
…
Chris W.
- 2,266
- 20
- 40
2
votes
2 answers
How does one assert a single field in error type?
Let's assume I have code such as this:
final case class CustomException(errorCode: Int, id: UUID) extends Throwable
val logic: ZIO[Any, Throwable, Unit] = ???
I would like to use ZIO Test to check for a specific error case
val checkForTimeout =…
Tim Steinbach
- 23
- 4
1
vote
1 answer
ZioHttp end point - Return json response
I am creating a ZioHttp Rest endpoint...
For a Json request I want to return Json response ...
I'm able to retrun logs, print lines but not sure how to return json response...
Here's my code:
import zio.{Console, _}
import zhttp._
import…
Mohammed Mukhtar Ali
- 21
- 5
1
vote
1 answer
Integration tests hangs when testing my API in ZIO + HTTP4S
I am having issues testing my first ZIO+HTTP4S application. The test hangs and does not finish.
The code for my App (simplified) is
object Main extends App {
def server: ZIO[AppEnvironment, Throwable, Unit] =
for {
(...)
fullApp…
Fary El Grande
- 65
- 6
1
vote
1 answer
ZIO Mock method that works with generics
I'm trying to mock a service that has a generic method but I can't figure out how to define the effect in the mock. Can a generic effect even work? Are there any workarounds?
The service:
object AService {
type AService = Has[Service]
trait…
Tudor
- 103
- 1
- 1
- 5
1
vote
0 answers
Share managed resources in tests (zio tests)
I'm binding an HttpRoute and testing it.
That occurs inside a ZManaged context.
Yet I need to use it for each test, which is very resource inefficient.
Is there a way run many labeled tests inside a ZManaged context?
caeus
- 3,084
- 1
- 22
- 36
1
vote
0 answers
Mocking a Function with empty parameter list in ZIO Test
I have the following function I want to mock:
def deployments(): Task[Seq[Deployment]]
My envBuilder looks like:
ZLayer.fromService(invoke =>
new processEngineService.Service {
def deployments(): Task[Seq[Deployment]] =
…
pme
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1
vote
1 answer
Mocking any value as input parameter with ZIO Test
I mock the following function:
def deploy(deployRequest: DeployRequest, mergeResults: Seq[MergeResult]): Task[Deployment]
For the result I don't care for the inputs. So my question, is there a Way to achieve this with zio.test.mock.
Something…
pme
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1
vote
1 answer
'A test is using time, but is not advancing the test clock' in ZIO Test
After migrating my Test to RC18, I get the following warning and the test is hanging:
Warning: A test is using time, but is not advancing the test clock, which may result in the test hanging. Use TestClock.adjust to manually advance the time.
I…
pme
- 14,156
- 3
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- 95
1
vote
1 answer
How to correctly verify scheduled invocations in ZIO Test
I am new to ZIO and ZIO Test and I'd like to test a scheduling service I wrote under ZIO v1.0.0RC17:
The service(s):
import zio.{RIO, Schedule}
import zio.clock.Clock
import zio.duration._
trait ModuleA {
def moduleA: ModuleA.Service
}
object…
imRentable
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