chore(node_compat): add deno task for setting up and running tests (#19293)

2 files changed, 17 insertions, 3 deletions

diff --git a/tools/node_compat/README.md b/tools/node_compat/README.md
index c422a1d0e..29a7ef739 100644
--- a/tools/node_compat/README.md
+++ b/tools/node_compat/README.md
@@ -20,10 +20,10 @@ Node.js compat testing in Deno repository.
 ## Steps to add new test cases from Node.js test cases
 
 1. Update `tests` property of `//cli/tests/node_compat/config.jsonc`. For
-   example, if you want to add `test/paralles/test-foo.js` from Node.js test
+   example, if you want to add `test/parallel/test-foo.js` from Node.js test
    cases, then add `test-foo.js` entry in `tests.parallel` array property in
    `config.jsonc`
-1. Run `./tools/node_compat/setup.ts`
+1. Run `deno task setup` in `tools/node_compat` dir.
 
 The above command copies the updated items from Node.js tarball to the Deno
 source tree.
@@ -40,4 +40,12 @@ If the test needs to be ignored in particular platform, then add them in
 
 Node.js compat tests are run as part of `cargo test` command. If you want to run
 only the Node.js compat test cases you can use the command
-`cargo test node_compat`.
+`cargo test node_compat`. If you want to run specific tests you can use the
+command `deno task test` (in `tools/node_comapt` dir). For example, if you want
+to run all test files which contains `buffer` in filename you can use the
+command:
+
+```shellsession
+/path/to/deno/tools/node_compat
+$ deno task test buffer
+```
diff --git a/tools/node_compat/deno.json b/tools/node_compat/deno.json
new file mode 100644
index 000000000..6e9c891a0
--- /dev/null
+++ b/tools/node_compat/deno.json
@@ -0,0 +1,6 @@
+{
+  "tasks": {
+    "setup": "deno run --allow-read --allow-write ./setup.ts",
+    "test": "deno test -A ../../cli/tests/node_compat/test.ts --"
+  }
+}