From eee9b2b916697e6999bf9d1df97a053505921f51 Mon Sep 17 00:00:00 2001
From: Tyler Carrol <tylercarrol@hotmail.com>
Date: Sun, 2 Jun 2024 11:59:12 -0400
Subject: [PATCH] Create test for singleton factory, to ensure it properly
 instantiates the singletons

---
 .../Mocks/Valid/MockSingletonInstantiated.cs     | 10 ++++++++++
 .../Tests/Instantiated/IsInstantiatedTest.cs     | 16 ++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 TJC.Singleton.Tests/Mocks/Valid/MockSingletonInstantiated.cs
 create mode 100644 TJC.Singleton.Tests/Tests/Instantiated/IsInstantiatedTest.cs

diff --git a/TJC.Singleton.Tests/Mocks/Valid/MockSingletonInstantiated.cs b/TJC.Singleton.Tests/Mocks/Valid/MockSingletonInstantiated.cs
new file mode 100644
index 0000000..e9b6611
--- /dev/null
+++ b/TJC.Singleton.Tests/Mocks/Valid/MockSingletonInstantiated.cs
@@ -0,0 +1,10 @@
+namespace TJC.Singleton.Tests.Mocks.Valid;
+
+internal class MockSingletonInstantiated : SingletonBaseClass<MockSingletonInstantiated>, IIdentifier
+{
+    private MockSingletonInstantiated() {}//=> IsInstantiated = true;
+
+    public Guid Id { get; } = Guid.NewGuid();
+
+    //public static bool IsInstantiated { get; private set; }
+}
\ No newline at end of file
diff --git a/TJC.Singleton.Tests/Tests/Instantiated/IsInstantiatedTest.cs b/TJC.Singleton.Tests/Tests/Instantiated/IsInstantiatedTest.cs
new file mode 100644
index 0000000..057e5bc
--- /dev/null
+++ b/TJC.Singleton.Tests/Tests/Instantiated/IsInstantiatedTest.cs
@@ -0,0 +1,16 @@
+using TJC.Singleton.Factories;
+
+namespace TJC.Singleton.Tests.Tests.Instantiated;
+
+[TestClass]
+public class IsInstantiatedTest
+{
+    [TestMethod]
+    public void SingletonGetInstantiatedAfterBeingReferencedTest()
+    {
+        // MockSingletonInstantiated can only be used in this test and nowhere else, since object instances can persist between tests
+        Assert.IsFalse(MockSingletonInstantiated.IsInstantiated, $"{nameof(MockSingletonInstantiated)} was already instantiated");
+        SingletonFactory.InstantiatedAll(trace: true);
+        Assert.IsTrue(MockSingletonInstantiated.IsInstantiated, $"{nameof(MockSingletonInstantiated)} is not instantiated");
+    }
+}
\ No newline at end of file