[test_runner/vm] Provide some troubleshooting info when missing vm te…

…st runner TEST=ci and locally with missing runner Change-Id: Ia96829097dc05bea6a683dbefba36d1d6fa96ebb Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/373325 Reviewed-by: Nate Bosch <[email protected]> Reviewed-by: Alexander Markov <[email protected]> Commit-Queue: Alexander Markov <[email protected]> Reviewed-by: Ryan Macnak <[email protected]>
dart-lang · Jun 27, 2024 · 747100e · 747100e
1 parent f9cd243
commit 747100e
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/pkg/test_runner/lib/src/test_suite.dart b/pkg/test_runner/lib/src/test_suite.dart
@@ -280,6 +280,13 @@ class VMTestSuite extends TestSuite {
       hostRunnerPath = targetRunnerPath;
     }
 
+    if (!File(hostRunnerPath).existsSync()) {
+      throw Exception(
+          "Failed to find VM test runner binary at '$hostRunnerPath'.\n"
+          "Did you include the 'runtime' or 'most' targets in "
+          'the corresponding build?');
+    }
+
     if (configuration.useQemu) {
       final config = QemuConfig.all[configuration.architecture]!;
       initialHostArguments.insert(0, hostRunnerPath);