test: verify inspector help url works

This commit adds basic functionality testing of the help URL printed when the inspector starts. PR-URL: #19887 Refs: #19871 Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Khaidi Chu <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Apr 10, 2018 · dfea13a · dfea13a
1 parent 8170f4f
commit dfea13a
Showing 1 changed file with 37 additions and 0 deletions.
diff --git a/test/internet/test-inspector-help-page.js b/test/internet/test-inspector-help-page.js
@@ -0,0 +1,37 @@
+'use strict';
+const common = require('../common');
+
+common.skipIfInspectorDisabled();
+
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
+const assert = require('assert');
+const https = require('https');
+const { spawnSync } = require('child_process');
+const child = spawnSync(process.execPath, ['--inspect', '-e', '""']);
+const stderr = child.stderr.toString();
+const helpUrl = stderr.match(/For help, see: (.+)/)[1];
+
+function check(url, cb) {
+  https.get(url, common.mustCall((res) => {
+    assert(res.statusCode >= 200 && res.statusCode < 400);
+
+    if (res.statusCode >= 300)
+      return check(res.headers.location, cb);
+
+    let result = '';
+
+    res.setEncoding('utf8');
+    res.on('data', (data) => {
+      result += data;
+    });
+
+    res.on('end', common.mustCall(() => {
+      assert(/>Debugging Guide</.test(result));
+      cb();
+    }));
+  })).on('error', common.mustNotCall);
+}
+
+check(helpUrl, common.mustCall());