feat(bench): change --json output format (#17888)

Closes https://github.com/denoland/deno/issues/17775

2 files changed, 34 insertions, 0 deletions

diff --git a/cli/tests/integration/bench_tests.rs b/cli/tests/integration/bench_tests.rs
index 7953bef34..15a86ee9d 100644
--- a/cli/tests/integration/bench_tests.rs
+++ b/cli/tests/integration/bench_tests.rs
@@ -178,6 +178,12 @@ itest!(bench_with_malformed_config {
   output: "bench/collect_with_malformed_config.out",
 });
 
+itest!(json_output {
+  args: "bench --json bench/pass.ts",
+  exit_code: 0,
+  output: "bench/pass.json.out",
+});
+
 #[test]
 fn recursive_permissions_pledge() {
   let output = util::deno_cmd()
diff --git a/cli/tests/testdata/bench/pass.json.out b/cli/tests/testdata/bench/pass.json.out
new file mode 100644
index 000000000..73daa7202
--- /dev/null
+++ b/cli/tests/testdata/bench/pass.json.out
@@ -0,0 +1,28 @@
+Check file:///[WILDCARD]testdata/bench/pass.ts
+{
+  "runtime": "Deno/[WILDCARD]",
+  "cpu": "[WILDCARD]",
+  "benches": [
+    {
+      "origin": "file:///[WILDCARD]testdata/bench/pass.ts",
+      "group": null,
+      "name": "bench0",
+      "baseline": false,
+      "results": [
+        {
+          "ok": {
+            "n": [WILDCARD],
+            "min": [WILDCARD],
+            "max": [WILDCARD],
+            "avg": [WILDCARD],
+            "p75": [WILDCARD],
+            "p99": [WILDCARD],
+            "p995": [WILDCARD],
+            "p999": [WILDCARD]
+          }
+        }
+      ]
+    },
+[WILDCARD]
+  ]
+}