1 files changed, 54 insertions, 0 deletions
diff --git a/deps/node/deps/node-inspect/test/cli/invalid-args.test.js b/deps/node/deps/node-inspect/test/cli/invalid-args.test.js
new file mode 100644
index 00000000..c1aaeb6a
--- /dev/null
+++ b/deps/node/deps/node-inspect/test/cli/invalid-args.test.js
@@ -0,0 +1,54 @@
+'use strict';
+const Path = require('path');
+const { createServer } = require('net');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('launch CLI w/o args', (t) => {
+  const cli = startCLI([]);
+  return cli.quit()
+    .then((code) => {
+      t.equal(code, 1, 'exits with non-zero exit code');
+      t.match(cli.output, /^Usage:/, 'Prints usage info');
+    });
+});
+
+test('launch w/ invalid host:port', (t) => {
+  const cli = startCLI(['localhost:914']);
+  return cli.quit()
+    .then((code) => {
+      t.match(
+        cli.output,
+        'failed to connect',
+        'Tells the user that the connection failed');
+      t.equal(code, 1, 'exits with non-zero exit code');
+    });
+});
+
+test('launch w/ unavailable port', async (t) => {
+  const blocker = createServer((socket) => socket.end());
+  const port = await new Promise((resolve, reject) => {
+    blocker.on('error', reject);
+    blocker.listen(0, '127.0.0.1', () => resolve(blocker.address().port));
+  });
+
+  try {
+    const script = Path.join('examples', 'three-lines.js');
+    const cli = startCLI([`--port=${port}`, script]);
+    const code = await cli.quit();
+
+    t.notMatch(
+      cli.output,
+      'report this bug',
+      'Omits message about reporting this as a bug');
+    t.match(
+      cli.output,
+      `waiting for 127.0.0.1:${port} to be free`,
+      'Tells the user that the port wasn\'t available');
+    t.equal(code, 1, 'exits with non-zero exit code');
+  } finally {
+    blocker.close();
+  }
+});