Proposal for a unified testing API for Golo

src/main/golo/tests.golo

@@ -0,0 +1,39 @@
+module gololang.testing.Utils
+
+
+struct Test = { description, test }
+struct Suite = { description, tests }
+struct TestResult = { description, result }
+
+function run = |suites| {
+  java.lang.System.exit(defaultReporter(defaultRunner(suites)))
+}
+
+let defaultRunner = asFunctionalInterface(gololang.testing.TestRunner.class, |suites| -> list[
+  [desc, match {
+    when isClosure(test) then trying(test)
+    otherwise defaultRunner(test)
+  }]
+  foreach desc, test in suites
+])
+
+
+let defaultReporter = asFunctionalInterface(gololang.testing.TestReporter.class, |results| {
+  var err = 0
+  foreach desc, result in results {
+    if result oftype gololang.error.Result.class {
+      print(desc + " " + result: either(
+        |v| -> "OK",
+        |e| -> "FAIL: " + e: message()))
+      if result: isError() {
+        err = err + 1
+      }
+    } else {
+      println("# " + desc)
+      err = err + defaultResult(result)
+    }
+  }
+  return err
+}
+
+let defaultResult = |result| -> 1

src/main/java/gololang/testing/TestExtractor.java

@@ -0,0 +1,11 @@
+package gololang.testing;
+
+import gololang.Tuple;
+
+import java.nio.file.Path;
+
+@FunctionalInterface
+public interface TestExtractor {
+
+  Tuple extract(Path path);
+}

src/main/java/gololang/testing/TestReporter.java

@@ -0,0 +1,9 @@
+package gololang.testing;
+
+import gololang.Tuple;
+
+@FunctionalInterface
+public interface TestReporter {
+
+  int report(Tuple results);
+}

src/main/java/gololang/testing/TestRunner.java

@@ -0,0 +1,9 @@
+package gololang.testing;
+
+import gololang.Tuple;
+
+@FunctionalInterface
+public interface TestRunner {
+
+  Tuple run(Tuple suites);
+}