Test examples on CI

Author: romanowski

.github/scripts/check_examples.sc

@@ -0,0 +1,22 @@
+//> using scala "3"
+//> using lib "com.lihaoyi::os-lib:0.8.0"
+
+val toParse: Seq[os.Path] = 
+  if args.nonEmpty then args.map(p => os.pwd / os.RelPath(p))
+  else os.list(os.pwd / "examples").filterNot(_.last.startsWith("."))
+
+
+val failed = toParse.filter { path =>
+  val args = 
+    if !os.exists(path / ".opts") then Nil
+    else os.read(path / ".opts").split(" ").toSeq
+
+
+  println(s"Running $path")
+  os.proc(os.pwd / "scala-cli-src", "--jvm", "temurin:17", args, path)
+    .call(check = false).exitCode != 0
+}
+
+if failed.isEmpty then println("Success!") else 
+  println("Failed examples:")
+  failed.foreach(path => println(s"  $path failed"))

.github/scripts/check_gifs.sh

@@ -202,6 +202,8 @@ jobs:
       run: .github/scripts/check_docs.sh
     - name: Test gifs
       run: gifs/generate_gifs.sh $(ls gifs/scenarios/)
+    - name: Check examples
+      run: ./scala-cli-src --jvm temurin:17  .github/scripts/check_examples.sc
 
   checks:
     timeout-minutes: 15

.github/workflows/ci.yml

@@ -5,3 +5,5 @@ out/
 .scala
 .bsp
 .idea/
+
+*.semanticdb

.gitignore

@@ -0,0 +1 @@
+--js --help

examples/cross-build/.opts

@@ -1,5 +1,5 @@
-//> using scala 2.13
-//> using target scala-js
+//> using scala "2.13"
+//> using target "scala-js"
 
 import scala.scalajs.js
 

examples/cross-build/Hello.js.scala

@@ -1,5 +1,5 @@
-//> using scala 2.13
-//> using target scala-native
+//> using scala "2.13"
+//> using target "scala-native"
 
 import scala.scalanative.libc._
 import scala.scalanative.unsafe._