Add WireMock.Net.AspNetCore.Middleware (#1175)

* Add WireMock.Net.AspNetCore.Middleware

* .

* WireMock.Net.Middleware.Tests

* .

* X-WireMock-Response-Delay

test/WireMock.Net.Middleware.Tests/IntegrationTests.cs

@@ -0,0 +1,49 @@
+// Copyright © WireMock.Net
+
+using FluentAssertions;
+using WireMock.Net.TestWebApplication;
+
+namespace WireMock.Net.Middleware.Tests;
+
+public class IntegrationTests
+{
+    [Theory]
+    [InlineData("/real1", "Hello 1 from WireMock.Net !")]
+    [InlineData("/real2", "Hello 2 from WireMock.Net !")]
+    public async Task CallingRealApi_WithAlwaysRedirectToWireMockIsTrue(string requestUri, string expectedResponse)
+    {
+        // Arrange
+        await using var factory = new CustomWebApplicationFactory<Program>();
+        using var client = factory.CreateClient();
+
+        // Act
+        var response = await client.GetAsync(requestUri);
+
+        // Assert
+        response.EnsureSuccessStatusCode();
+        var stringResponse = await response.Content.ReadAsStringAsync();
+        stringResponse.Should().Be(expectedResponse);
+    }
+
+    [Theory]
+    [InlineData("/real1", "Hello 1 from WireMock.Net !")]
+    [InlineData("/real2", "Hello 2 from WireMock.Net !")]
+    public async Task CallingRealApi_WithAlwaysRedirectToWireMockIsFalse(string requestUri, string expectedResponse)
+    {
+        // Arrange
+        await using var factory = new CustomWebApplicationFactory<Program>(false);
+        using var client = factory.CreateClient();
+
+        var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
+        request.Headers.Add("X-WireMock-Redirect", "true");
+        request.Headers.Add("X-WireMock-Response-Delay", "10");
+
+        // Act
+        var response = await client.SendAsync(request);
+
+        // Assert
+        response.EnsureSuccessStatusCode();
+        var stringResponse = await response.Content.ReadAsStringAsync();
+        stringResponse.Should().Be(expectedResponse);
+    }
+}