production

test/retired_platform_test.dart

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+import 'dart:io';
+
+import 'package:flutter_test/flutter_test.dart';
+
+/// ─────────────────────────────────────────────────────────────────────────
+/// THE RETIRED PLATFORM IS NOT NAMED ANYWHERE
+///
+/// The delivery screens under `lib/xpress` are a verbatim port of a rider app
+/// that belonged to a platform which has since been shut down. The port
+/// brought its hostnames, its image host and its name in comments with it, and
+/// those references outlived the thing they referred to.
+///
+/// A dead product's name in a live repo is not a cosmetic problem. It sends the
+/// next reader looking for a backend that no longer answers, and it is exactly
+/// the sort of string that gets pasted into a config file by somebody trying to
+/// make a screen work.
+///
+/// ── Why the word is assembled rather than written ──
+///
+/// This file has to know the banned string in order to look for it, and a
+/// literal here would be the very thing it forbids — the ban would fail its own
+/// test. Joining two halves keeps the guard real and keeps the repo clean.
+/// ─────────────────────────────────────────────────────────────────────────
+void main() {
+  // The retired platform's name, never spelled in one piece. See above.
+  final banned = <String>[
+    ['nea', 'rle'].join(),
+  ];
+
+  test('no source, test or document names the retired platform', () {
+    final offenders = <String>[];
+
+    for (final dir in const ['lib', 'test']) {
+      for (final entity in Directory(dir).listSync(recursive: true)) {
+        if (entity is! File) continue;
+        if (!entity.path.endsWith('.dart')) continue;
+        // This file is the one place the string legitimately exists, in two
+        // halves — skip it rather than assemble a special case for it.
+        if (entity.path.endsWith('retired_platform_test.dart')) continue;
+
+        final text = entity.readAsStringSync().toLowerCase();
+        for (final word in banned) {
+          if (text.contains(word)) offenders.add(entity.path);
+        }
+      }
+    }
+
+    for (final doc in Directory('.').listSync()) {
+      if (doc is! File || !doc.path.endsWith('.md')) continue;
+      final text = doc.readAsStringSync().toLowerCase();
+      for (final word in banned) {
+        if (text.contains(word)) offenders.add(doc.path);
+      }
+    }
+
+    expect(
+      offenders,
+      isEmpty,
+      reason:
+          'the retired platform is named in: ${offenders.join(', ')} — it was '
+          'shut down, so a reference to it points at nothing and reads as a '
+          'live dependency to the next person through this file',
+    );
+  });
+}