From ac769e656b122ff569c3f1534701b71e00fed586 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Oct 2020 19:21:35 +0800
Subject: Split front and back end.

---
 BackEnd/Timeline.Tests/Helpers/TestClock.cs | 43 +++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 BackEnd/Timeline.Tests/Helpers/TestClock.cs

(limited to 'BackEnd/Timeline.Tests/Helpers/TestClock.cs')

diff --git a/BackEnd/Timeline.Tests/Helpers/TestClock.cs b/BackEnd/Timeline.Tests/Helpers/TestClock.cs
new file mode 100644
index 00000000..34adb245
--- /dev/null
+++ b/BackEnd/Timeline.Tests/Helpers/TestClock.cs
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Timeline.Services;
+
+namespace Timeline.Tests.Helpers
+{
+    public class TestClock : IClock
+    {
+        private DateTime? _currentTime;
+
+        public DateTime GetCurrentTime()
+        {
+            return _currentTime ?? DateTime.UtcNow;
+        }
+
+        public void SetCurrentTime(DateTime? mockTime)
+        {
+            _currentTime = mockTime;
+        }
+
+        public DateTime SetMockCurrentTime()
+        {
+            var time = new DateTime(3000, 1, 1, 1, 1, 1, DateTimeKind.Utc);
+            _currentTime = time;
+            return time;
+        }
+
+        public DateTime ForwardCurrentTime()
+        {
+            return ForwardCurrentTime(TimeSpan.FromDays(1));
+        }
+
+        public DateTime ForwardCurrentTime(TimeSpan timeSpan)
+        {
+            if (_currentTime == null)
+                return SetMockCurrentTime();
+            _currentTime += timeSpan;
+            return _currentTime.Value;
+        }
+    }
+}
-- 
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