Adds tests for the updated JavaScript kernel

js/tests/defaultKernels.test.ts

@@ -9,6 +9,34 @@ sandboxTest('test js kernel', async ({ sandbox }) => {
   expect(output.logs.stdout).toEqual(['Hello World!\n'])
 })
 
+sandboxTest('test esm imports', async ({ sandbox }) => {
+  const output = await sandbox.runCode(
+    `
+    import { readFileSync } from 'fs'
+    console.log(typeof readFileSync)
+    `,
+    {
+      language: 'js',
+    }
+  )
+  expect(output.logs.stdout).toEqual(['function\n'])
+})
+
+sandboxTest(
+  'test top-level await and promise resolution',
+  async ({ sandbox }) => {
+    const output = await sandbox.runCode(
+      `
+    await Promise.resolve('Hello World!')
+    `,
+      {
+        language: 'js',
+      }
+    )
+    expect(output.text).toEqual('Hello World!')
+  }
+)
+
 sandboxTest('test ts kernel', async ({ sandbox }) => {
   const output = await sandbox.runCode(
     'const message: string = "Hello World!"; console.log(message)',

python/tests/async/test_async_default_kernels.py

@@ -7,6 +7,20 @@ async def test_js_kernel(async_sandbox: AsyncSandbox):
     )
     assert execution.logs.stdout == ["Hello, World!\n"]
 
+async def test_js_esm_imports(async_sandbox: AsyncSandbox):
+    execution = await async_sandbox.run_code("""
+    import { readFileSync } from 'fs'
+    console.log(typeof readFileSync)
+    """, language="js")
+    assert execution.logs.stdout == ["function\n"]
+
+
+async def test_js_top_level_await(async_sandbox: AsyncSandbox):
+    execution = await async_sandbox.run_code("""
+    await Promise.resolve('Hello World!')
+    """, language="js")
+    assert execution.text == "Hello World!"
+
 
 async def test_ts_kernel(async_sandbox: AsyncSandbox):
     execution = await async_sandbox.run_code(

python/tests/sync/test_default_kernels.py

@@ -20,6 +20,21 @@ def test_java_kernel(sandbox: Sandbox):
     assert execution.logs.stdout[0] == "Hello, World!"
 
 
+def test_js_esm_imports(sandbox: Sandbox):
+    execution = sandbox.run_code("""
+    import { readFileSync } from 'fs'
+    console.log(typeof readFileSync)
+    """, language="js")
+    assert execution.logs.stdout == ["function\n"]
+
+
+def test_js_top_level_await(sandbox: Sandbox):
+    execution = sandbox.run_code("""
+    await Promise.resolve('Hello World!')
+    """, language="js")
+    assert execution.text == "Hello World!"
+
+
 @pytest.mark.skip_debug()
 def test_ts_kernel(sandbox: Sandbox):
     execution = sandbox.run_code("const message: string = 'Hello, World!'; console.log(message)", language="ts")