Asynchronous testing in Nim

.editorconfig

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+[*]
+indent_style = space
+insert_final_newline = true
+indent_size = 2
+trim_trailing_whitespace = true

.github/workflows/test.yml

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+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macOS-latest, windows-latest]
+    steps:
+    - uses: actions/checkout@v2
+    - uses: iffy/install-nim@v3
+    - name: Test
+      run: nimble test -y

.gitignore

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+*
+!*/
+!*.*

.tool-versions

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+nim 1.4.2

asynctest.nim

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+template asynctest*(name, body) =
+  test name:
+    let asyncproc = proc {.async.} = body
+    waitFor asyncproc()
+
+template asyncsetup*(body) =
+  setup:
+    let asyncproc = proc {.async.} = body
+    waitFor asyncproc()
+
+template asyncteardown*(body) =
+  teardown:
+    let asyncproc = proc {.async.} = body
+    waitFor asyncproc()

asynctest.nimble

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+version = "0.1.0"
+author = "asynctest Authors"
+description = "Test asynchronous code"
+license = "MIT"
+
+requires "nim >= 1.2.0 & < 2.0.0"

tests/nim.cfg

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+--path:".."

tests/testAsyncTest.nim

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+import std/unittest
+import std/asyncdispatch
+import pkg/asynctest
+
+suite "async tests":
+
+  proc asyncproc {.async.} = discard
+
+  asyncsetup: # allows await in setup
+    await asyncproc()
+
+  asyncteardown: # allows await in teardown
+    await asyncproc()
+
+  asynctest "allows await in tests":
+    await asyncproc()