Add test for #3997

Author: brandon-leapyear

test/integration/tests/3997-coverage-with-cabal-3/Main.hs

@@ -0,0 +1,10 @@
+import Control.Monad (unless)
+import Data.List (isInfixOf)
+import StackTest
+
+main :: IO ()
+main = do
+    stack ["setup"]
+    stackCheckStderr ["test", "--coverage"] $ \out -> do
+        unless ("The coverage report for foo's test-suite \"foo-test\" is available at" `isInfixOf` out) $
+            fail "Coverage report didn't build"

test/integration/tests/3997-coverage-with-cabal-3/files/package.yaml

@@ -0,0 +1,14 @@
+name: foo
+
+dependencies:
+  - base
+
+library:
+  source-dirs: src
+
+tests:
+  foo-test:
+    source-dirs: test
+    main: Main.hs
+    dependencies:
+      - foo

test/integration/tests/3997-coverage-with-cabal-3/files/src/Lib.hs

@@ -0,0 +1,4 @@
+module Lib (foo) where
+
+foo :: Int
+foo = 1

test/integration/tests/3997-coverage-with-cabal-3/files/stack.yaml

@@ -0,0 +1 @@
+resolver: lts-15.0

test/integration/tests/3997-coverage-with-cabal-3/files/test/Main.hs

@@ -0,0 +1,4 @@
+import Lib
+
+main :: IO ()
+main = print foo