fix: don't error if Deno.bench() or Deno.test() are used in run subcommand (#14946)

1 files changed, 17 insertions, 0 deletions

diff --git a/runtime/js/40_testing.js b/runtime/js/40_testing.js
index 3850e411d..13cdcd32e 100644
--- a/runtime/js/40_testing.js
+++ b/runtime/js/40_testing.js
@@ -554,6 +554,7 @@
   const tests = [];
   /** @type {BenchDescription[]} */
   const benchDescs = [];
+  let isTestOrBenchSubcommand = false;
 
   // Main test function provided by Deno.
   function test(
@@ -561,6 +562,10 @@
     optionsOrFn,
     maybeFn,
   ) {
+    if (!isTestOrBenchSubcommand) {
+      return;
+    }
+
     let testDef;
     const defaults = {
       ignore: false,
@@ -669,6 +674,10 @@
     optionsOrFn,
     maybeFn,
   ) {
+    if (!isTestOrBenchSubcommand) {
+      return;
+    }
+
     core.opSync("op_bench_check_unstable");
     let benchDesc;
     const defaults = {
@@ -1043,6 +1052,13 @@
     return core.opSync("op_bench_now");
   }
 
+  // This function is called by Rust side if we're in `deno test` or
+  // `deno bench` subcommand. If this function is not called then `Deno.test()`
+  // and `Deno.bench()` become noops.
+  function enableTestAndBench() {
+    isTestOrBenchSubcommand = true;
+  }
+
   async function runTests({
     filter = null,
     shuffle = null,
@@ -1507,6 +1523,7 @@
 
   window.__bootstrap.internals = {
     ...window.__bootstrap.internals ?? {},
+    enableTestAndBench,
     runTests,
     runBenchmarks,
   };