diff --git a/JS/jsonnet/test/package.json b/JS/jsonnet/test/package.json
new file mode 100644
index 000000000..953deece6
--- /dev/null
+++ b/JS/jsonnet/test/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "test",
+  "version": "1.0.0",
+  "description": "",
+  "main": "test.js",
+  "type": "module",
+  "scripts": {
+    "test": "node --experimental-wasm-modules ./node_modules/mocha/bin/mocha"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "chai": "^5.1.0",
+    "mocha": "^10.4.0"
+  }
+}
diff --git a/JS/jsonnet/test/test.js b/JS/jsonnet/test/test.js
new file mode 100644
index 000000000..0fa4f0cff
--- /dev/null
+++ b/JS/jsonnet/test/test.js
@@ -0,0 +1,88 @@
+import Jsonnet from "../src/jsonnet.js";
+import { expect } from "chai";
+
+let jsonnet = new Jsonnet();
+
+describe("Testing evaluateSnippet function of jsonnet library", () => {
+	it("self reference", () => {
+		let result = JSON.parse(jsonnet.evaluateSnippet(`{
+          Martini: {
+            local drink = self,
+            ingredients: [
+              { kind: "Farmer's Gin", qty: 1 },
+              {
+                kind: 'Dry White Vermouth',
+                qty: drink.ingredients[0].qty,
+              },
+            ],
+            garnish: 'Olive',
+            served: 'Straight Up',
+          },
+        }`));
+		let expected = JSON.parse(`{
+      "Martini": {
+        "garnish": "Olive",
+        "ingredients": [
+          {
+            "kind": "Farmer's Gin",
+            "qty": 1
+          },
+          {
+            "kind": "Dry White Vermouth",
+            "qty": 1
+          }
+        ],
+        "served": "Straight Up"
+      }
+    }`);
+		// expect(JSON.stringify(result)).to.equal(JSON.stringify(expected));
+		expect(result).to.eql(expected);
+	});
+
+	it("math operations", () => {
+		let result = JSON.parse(jsonnet.evaluateSnippet(`{
+		  a: 1 + 2,
+		  b: 3 * 4,
+		  c: 5 / 6,
+		  d: 7 % 8,
+		  e: 9 - 10,
+		}`));
+		let expected = JSON.parse(`{
+	  "a": 3,
+	  "b": 12,
+	  "c": 0.8333333333333334,
+	  "d": 7,
+	  "e": -1
+	}`);
+		// expect(JSON.stringify(result)).to.equal(JSON.stringify(expected));
+		expect(result).to.eql(expected);
+	})
+});
+
+
+describe("Testing extString function of jsonnet library", () => {
+	it("extString", () => {
+		let result = JSON.parse(jsonnet.extString("name", "Alice").evaluateSnippet(`  local username = std.extVar('name');
+		local Person(name='Alice') = {
+		  name: name,
+		  welcome: 'Hello ' + name + '!',
+		};
+		{
+		  person1: Person(username),
+		  person2: Person('Bob'),
+		}`));
+		let expected = JSON.parse(`{
+			"person1": {
+				"name": "Alice",
+				"welcome": "Hello Alice!"
+			},
+			"person2": {
+				"name": "Bob",
+				"welcome": "Hello Bob!"
+			}
+		}`);
+		console.log(result);
+		// expect(JSON.stringify(result)).to.equal(JSON.stringify(expected));
+		expect(result).to.eql(expected);
+	});
+});
\ No newline at end of file
diff --git a/JS/wasm/crates/cli/Cargo.toml b/JS/wasm/crates/cli/Cargo.toml
index 41270e885..fe47acc48 100644
--- a/JS/wasm/crates/cli/Cargo.toml
+++ b/JS/wasm/crates/cli/Cargo.toml
@@ -17,7 +17,8 @@ experimental_event_loop = []
 wizer = { workspace = true }
 structopt = "0.3"
 anyhow = { workspace = true }
-binaryen = { git = "https://github.com/pepyakin/binaryen-rs", rev = "00c98174843f957681ba0bc5cdcc9d15f5d0cb23" }
+binaryen = "0.13.0"
+# binaryen = { git = "https://github.com/pepyakin/binaryen-rs", rev = "00c98174843f957681ba0bc5cdcc9d15f5d0cb23" }
 brotli = "3.4.0"
 wasmprinter = { version = "0.2.75", optional = true }
 wasmtime = { workspace = true }