From d2490c5828cd8b90ae1fd64475488b650d923f43 Mon Sep 17 00:00:00 2001
From: Petrus Nguyen Thai Hoc <hoc081098@gmail.com>
Date: Wed, 24 Nov 2021 00:57:06 +0700
Subject: [PATCH] fix check-urls

---
 .github/workflows/check-urls.yml |  3 ---
 check_urls/main.dart             | 16 +++++++++++++++-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/check-urls.yml b/.github/workflows/check-urls.yml
index a6c0bf5..c28d9d8 100644
--- a/.github/workflows/check-urls.yml
+++ b/.github/workflows/check-urls.yml
@@ -35,9 +35,6 @@ jobs:
       - name: Run check_urls/main.dart
         run: dart run main.dart
 
-      - name: Run example/lib/rxdart_ext_example.dart
-        run: dart run example/lib/rxdart_ext_example.dart
-
   run-example:
     runs-on: ubuntu-latest
     defaults:
diff --git a/check_urls/main.dart b/check_urls/main.dart
index 293b25b..39dc088 100644
--- a/check_urls/main.dart
+++ b/check_urls/main.dart
@@ -37,10 +37,24 @@ Future<bool> testUrl(Uri url) async {
   return success;
 }
 
+Future<bool> testUrlWithRetry(Uri url) async {
+  var retryCount = 0;
+  while (true) {
+    final success = await testUrl(url);
+    if (success) {
+      return true;
+    }
+    if (retryCount++ >= 3) {
+      return false;
+    }
+  }
+}
+
 Future<List<Uri>> test(Iterable<String> urls) {
   return Stream.fromIterable(urls)
       .map(Uri.parse)
-      .asyncMap((url) => testUrl(url).then((success) => success ? null : url))
+      .asyncMap((url) =>
+          testUrlWithRetry(url).then((success) => success ? null : url))
       .where((url) => url != null)
       .cast<Uri>()
       .toList();