Extension Fails on R 4.5.1

[Scalable-Software-Solution-Architect]

Tried using the R Test Explorer Extension, but all tests show: Test Failed with no additional information logged.

However, we are running devtools::test(), all tests pass successfully.

I am using R version 4.5.1 (2025-06-13 ucrt)

Is there a way to troubleshoot the extension or increase the verbosity of the logs?

[kubajal]

Hi, could you downgrade to v0.8.1 and check if the tests get discovered? or any earlier version?

[kubajal]

Also could you provide reproduction, i.e. a sample R test that fails and the directory structure?

[Scalable-Software-Solution-Architect]

@kubajal I downgraded to version v0.8.0, which worked without changing anything else:

Note: downgrading to version v0.8.1 also fails

---

Here is the Example.R contents:

Example <- \() {
  members <- list()
  members[['AddOne']] <- \(value) value + 1
  return(members)
}

and here is the test-Example.R contents:

describe('Given Example',{
  it('exist',{
    # Given
    Example |> is.null() |> expect_equal(FALSE)
  })
})

[Scalable-Software-Solution-Architect]

@kubajal, here is a link to the pubic repository that I used to do the testing and generate the screenshots: r-package

[kubajal]

Thanks for providing a full reproduction repo. That's very helpful. Unfortunately, I couldn't reproduce that on Ubuntu 22.04.5 + VSCode R Test Adapter v0.9 + R v4.5.1 + devtools v2.4.3/v2.4.6.

I will need more info. What version of devtools are you using? In R terminal could you execute:

library(devtools)
library(testthat)
sessionInfo()

and paste the result here? The only hard dependency in non-debugging mode is devtools>=2.3.4. If your version is lower then please upgrade. If your version is very new then there is a chance there have been some breaking changes in it of which we are not aware yet and R Test Adapter needs to be aligned with them.

Also could you provide the full message log from both TEST RESULTS > R Test Explorer > "exists: Given example < testthat/test-Example.R and Output > R Test Adapter Log (see attached screenshots)?

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