Kover support: add an error message if binary report is missing

com-lihaoyi · Sep 29, 2024 · 3e00f9d · 3e00f9d
1 parent 1330e2f
commit 3e00f9d
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/kotlinlib/src/mill/kotlinlib/contrib/kover/KoverModule.scala b/kotlinlib/src/mill/kotlinlib/contrib/kover/KoverModule.scala
@@ -166,9 +166,16 @@ object Kover extends ExternalModule with KoverReportBaseModule {
           os.exists
         )
       val binaryReportsPaths: Seq[Path] =
-        T.sequence(binaryReportTasks)().map(_.path).filter(
-          os.exists
-        )
+        T.sequence(binaryReportTasks)().map(_.path)
+          .filter(path => {
+            val exists = os.exists(path)
+            if (!exists) {
+              T.log.error(
+                s"Kover binary report $path doesn't exist. Did you run tests for the module?."
+              )
+            }
+            exists
+          })
 
       val reportDir = PathRef(T.dest).path / reportName