refactor(ffi-interop): Encapsulate PluginInterop methods

Author: max-lancaster

samples/Grpc/GrpcGreeterClient.Tests/GrpcGreeterClientTest.cs

@@ -38,8 +38,8 @@ public async Task ReturnsMismatchWhenNoGrpcClientRequestMade()
                         ""message"": ""matching(type, 'Hello foo')""
                     }}
                 }}";
-            NativeInterop.PluginAdd(pact, "protobuf", "0.4.0");
-            NativeInterop.PluginInteractionContents(interaction, 0, "application/grpc", content);
+            PluginInterop.PluginAdd(pact, "protobuf", "0.4.0");
+            PluginInterop.PluginInteractionContents(interaction, 0, "application/grpc", content);
 
             using var driver = MockServer.CreateMockServer(pact, host, 0, "grpc", false);
             var port = driver.Port;
@@ -58,7 +58,7 @@ public async Task ReturnsMismatchWhenNoGrpcClientRequestMade()
             ErrorString.Should().Be("Did not receive any requests for path 'Greeter/SayHello'");
             ExpectedPath.Should().Be("Greeter/SayHello");
 
-            NativeInterop.PluginCleanup(pact);
+            PluginInterop.PluginCleanup(pact);
             await Task.Delay(1);
         }
         [Fact]
@@ -81,8 +81,8 @@ public async Task WritesPactWhenGrpcClientRequestMade()
                     }}
                 }}";
 
-            NativeInterop.PluginAdd(pact, "protobuf", "0.4.0");
-            NativeInterop.PluginInteractionContents(interaction, 0, "application/grpc", content);
+            PluginInterop.PluginAdd(pact, "protobuf", "0.4.0");
+            PluginInterop.PluginInteractionContents(interaction, 0, "application/grpc", content);
 
             using var driver = MockServer.CreateMockServer(pact, host, 0, "grpc", false);
             var port = driver.Port;
@@ -105,7 +105,7 @@ public async Task WritesPactWhenGrpcClientRequestMade()
             MismatchesString.Should().Be("[]");
 
             PactFileWriter.WritePactFileForPort(port, "../../../../pacts");
-            NativeInterop.PluginCleanup(pact);
+            PluginInterop.PluginCleanup(pact);
         }
 
     }

src/PactNet.Interop/NativeInterop.cs

@@ -13,19 +13,6 @@ public static class NativeInterop
         [DllImport(DllName, EntryPoint = "pactffi_log_to_buffer")]
         public static extern int LogToBuffer(LevelFilter levelFilter);
 
-        #region Plugin Support
-
-        [DllImport(DllName, EntryPoint = "pactffi_using_plugin")]
-        public static extern uint PluginAdd(PactHandle pact, string name, string version);
-
-        [DllImport(DllName, EntryPoint = "pactffi_interaction_contents")]
-        public static extern uint PluginInteractionContents(uint interaction, InteractionPart part, string contentType, string body);
-
-        [DllImport(DllName, EntryPoint = "pactffi_cleanup_plugins")]
-        public static extern void PluginCleanup(PactHandle pact);
-
-        #endregion
-
         #region Http Interop Support
 
         [DllImport(DllName, EntryPoint = "pactffi_fetch_log_buffer")]

src/PactNet.Interop/PluginInterop.cs

@@ -0,0 +1,17 @@
+using System.Runtime.InteropServices;
+
+namespace PactNet.Interop;
+
+public class PluginInterop
+{
+    private const string DllName = "pact_ffi";
+
+    [DllImport(DllName, EntryPoint = "pactffi_using_plugin")]
+    public static extern uint PluginAdd(PactHandle pact, string name, string version);
+
+    [DllImport(DllName, EntryPoint = "pactffi_interaction_contents")]
+    public static extern uint PluginInteractionContents(uint interaction, InteractionPart part, string contentType, string body);
+
+    [DllImport(DllName, EntryPoint = "pactffi_cleanup_plugins")]
+    public static extern void PluginCleanup(PactHandle pact);
+}