Test new error handling indicating when the sandbox is not found

packages/js-sdk/tests/sandbox/host.test.ts

@@ -1,12 +1,15 @@
 import { assert } from 'vitest'
 
-import { isDebug, sandboxTest, wait } from '../setup.js'
+import Sandbox from '../../src/index.js'
+import { isDebug, sandboxTest, template, wait } from '../setup.js'
 
-sandboxTest('ping server in sandbox', async ({ sandbox }) => {
-  const cmd = await sandbox.commands.run('python -m http.server 8000', { background: true })
+sandboxTest('ping server in running sandbox', async ({ sandbox }) => {
+  const cmd = await sandbox.commands.run('python -m http.server 8000', {
+    background: true,
+  })
 
   try {
-    await wait(1000)
+    await wait(10_000)
 
     const host = sandbox.getHost(8000)
 
@@ -21,3 +24,35 @@ sandboxTest('ping server in sandbox', async ({ sandbox }) => {
     }
   }
 })
+
+sandboxTest('ping server in non-running sandbox', async () => {
+  const sbx = await Sandbox.create(template, { timeoutMs: 60_000 })
+
+  const cmd = await sbx.commands.run('python -m http.server 8000', {
+    background: true,
+  })
+
+  try {
+    await wait(10_000)
+
+    const host = sbx.getHost(8000)
+
+    const res = await fetch(`${isDebug ? 'http' : 'https'}://${host}`)
+
+    assert.equal(res.status, 200)
+
+    await sbx.kill()
+
+    const res2 = await fetch(`${isDebug ? 'http' : 'https'}://${host}`)
+    assert.equal(res2.status, 502)
+
+    const text = await res2.text()
+    assert.equal(text, 'Sandbox does not exist.')
+  } finally {
+    try {
+      await cmd.kill()
+    } catch (e) {
+      console.error(e)
+    }
+  }
+})