added idempotency tests

src/Infrastructure.Tests/IdempotencyFilterTests.cs

@@ -0,0 +1,108 @@
+using Infrastructure.Attributes;
+using Infrastructure.Filters;
+using Infrastructure.Repository;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Controllers;
+using Microsoft.AspNetCore.Mvc.Filters;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace Infrastructure.Tests;
+
+public class IdempotencyFilterTests
+{
+    [Fact]
+    public async Task OnActionExecutionAsync_IdempotencyAttributeExists_RequestIsDuplicate()
+    {
+        // Arrange
+        var loggerMock = new Mock<ILogger<IdempotencyFilter>>();
+        var redisMock = new Mock<IRedisBasketRepository>();
+        redisMock.Setup(r => r.Exist(It.IsAny<string>())).ReturnsAsync(true);
+
+        var filter = new IdempotencyFilter(loggerMock.Object, redisMock.Object);
+
+        var actionContext = new ActionContext
+        {
+            HttpContext = new DefaultHttpContext(),
+            RouteData = new RouteData(),
+            ActionDescriptor = new ControllerActionDescriptor()
+        };
+
+        var actionExecutingContext = new ActionExecutingContext(
+            actionContext,
+            new List<IFilterMetadata>(),
+            new Dictionary<string, object> { { "id", "123" } }!,
+            new object());
+
+        ((ControllerActionDescriptor)actionExecutingContext.ActionDescriptor).MethodInfo =
+            typeof(TestController).GetMethod(nameof(TestController.TestAction)) ?? throw new InvalidOperationException();
+
+        var next = new ActionExecutionDelegate(() =>
+        {
+            var resultContext = new ActionExecutedContext(actionContext, new List<IFilterMetadata>(), new object());
+            return Task.FromResult(resultContext);
+        });
+
+        // Act
+        await filter.OnActionExecutionAsync(actionExecutingContext, next);
+
+        // Assert
+        Assert.IsType<ObjectResult>(actionExecutingContext.Result);
+        var objectResult = (ObjectResult)actionExecutingContext.Result;
+        Assert.Equal(200, objectResult.StatusCode);
+        Assert.Contains("Duplicate request", ((MessageData)objectResult.Value).Message);
+    }
+
+    [Fact]
+    public async Task OnActionExecutionAsync_IdempotencyAttributeExists_RequestIsNotDuplicate()
+    {
+        // Arrange
+        var loggerMock = new Mock<ILogger<IdempotencyFilter>>();
+        var redisMock = new Mock<IRedisBasketRepository>();
+        redisMock.Setup(r => r.Exist(It.IsAny<string>())).ReturnsAsync(false);
+
+        var filter = new IdempotencyFilter(loggerMock.Object, redisMock.Object);
+
+        var actionContext = new ActionContext
+        {
+            HttpContext = new DefaultHttpContext(),
+            RouteData = new RouteData(),
+            ActionDescriptor = new ControllerActionDescriptor()
+        };
+
+        var actionExecutingContext = new ActionExecutingContext(
+            actionContext,
+            new List<IFilterMetadata>(),
+            new Dictionary<string, object> { { "id", "123" } }!,
+            new object());
+
+        ((ControllerActionDescriptor)actionExecutingContext.ActionDescriptor).MethodInfo =
+            typeof(TestController).GetMethod(nameof(TestController.TestAction)) ?? throw new InvalidOperationException();
+
+        var nextCalled = false;
+        var next = new ActionExecutionDelegate(() =>
+        {
+            nextCalled = true;
+            var resultContext = new ActionExecutedContext(actionContext, new List<IFilterMetadata>(), new object());
+            return Task.FromResult(resultContext);
+        });
+
+        // Act
+        await filter.OnActionExecutionAsync(actionExecutingContext, next);
+
+        // Assert
+        Assert.Null(actionExecutingContext.Result);
+        Assert.True(nextCalled);
+        redisMock.Verify(r => r.Set(It.IsAny<string>(), 0, TimeSpan.FromSeconds(60)), Times.Once);
+    }
+}
+
+public class TestController
+{
+    [Idempotency("id", 60, "Duplicate request")]
+    public void TestAction()
+    {
+    }
+}