Added unit tests

Author: zbalkan

TechnitiumLibrary.UnitTests/TechnitiumLibrary.Net.Firewall/WindowsFirewallTests.cs

@@ -0,0 +1,55 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using TechnitiumLibrary.Net.Firewall;
+
+namespace TechnitiumLibrary.UnitTests.TechnitiumLibrary.Net.Firewall
+{
+    [TestClass]
+    public sealed class WindowsFirewallPublicTests
+    {
+        [TestMethod]
+        public void AddPort_ShouldThrow_WhenUnsupportedProtocol()
+        {
+            // Protocol ICMPv4 cannot be added using AddPort
+            Assert.ThrowsExactly<Exception>(() => WindowsFirewall.AddPort("bad", Protocol.ICMPv4, port: 55, enable: true));
+        }
+
+        [TestMethod]
+        public void RemovePort_ShouldThrow_WhenUnsupportedProtocol()
+        {
+            // RemovePort validates only TCP, UDP, ANY
+            Assert.ThrowsExactly<Exception>(() => WindowsFirewall.RemovePort(Protocol.IGMP, 123));
+        }
+
+        [TestMethod]
+        public void PortExists_ShouldThrow_WhenUnsupportedProtocol()
+        {
+            Assert.ThrowsExactly<Exception>(() => WindowsFirewall.PortExists(Protocol.IGMP, 44));
+        }
+
+        [TestMethod]
+        public void RuleExistsVista_ShouldReturnDoesNotExist_WhenInputsClearlyNotMatchingAnything()
+        {
+            // Since firewall is not guaranteed to have this rule,
+            // safest expected response is DoesNotExists.
+            RuleStatus result = WindowsFirewall.RuleExistsVista(
+                name: "__Definitely_Not_A_Real_Rule__",
+                applicationPath: "__Fake__");
+
+            Assert.AreEqual(RuleStatus.DoesNotExists, result);
+        }
+
+        [TestMethod]
+        public void ApplicationExists_ShouldReturnDoesNotExist_WhenApplicationIsNotRegistered()
+        {
+            // Public observable guarantee:
+            // if the system has no such application entry → DoesNotExists
+
+            const string fakePath = "C:\\DefinitelyNotExisting\\app.exe";
+
+            RuleStatus status = WindowsFirewall.ApplicationExists(fakePath);
+
+            Assert.AreEqual(RuleStatus.DoesNotExists, status);
+        }
+    }
+}

TechnitiumLibrary.UnitTests/TechnitiumLibrary.UnitTests.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\TechnitiumLibrary\TechnitiumLibrary.csproj" />
+    <ProjectReference Include="..\TechnitiumLibrary.Net.Firewall\TechnitiumLibrary.Net.Firewall.csproj" />
   </ItemGroup>
 
 </Project>