Add tests for EvaluatorExtension

Author: izzat5233

RealTimeWeatherMonitoringTest/Infrastructure/Extension/EvaluatorExtensionShould.cs

@@ -0,0 +1,48 @@
+using FluentAssertions;
+using Moq;
+using RealTimeWeatherMonitoringApp.Domain.Interfaces;
+using RealTimeWeatherMonitoringApp.Infrastructure.Extension;
+using RealTimeWeatherMonitoringTest.Common;
+using RealTimeWeatherMonitoringTest.Domain.Models;
+using Xunit;
+
+namespace RealTimeWeatherMonitoringTest.Infrastructure.Extension;
+
+public class EvaluatorExtensionShould
+{
+    [Theory, AutoMoqData]
+    public void EvaluateAll_FirstEvaluatorIsFalse_EarlyReturnFalse(
+        TestData data,
+        Mock<IEvaluator<TestData>> falseEvaluatorMock,
+        Mock<IEvaluator<TestData>> trueEvaluatorMock)
+    {
+        falseEvaluatorMock.Setup(e => e.Evaluate(data)).Returns(false);
+        trueEvaluatorMock.Setup(e => e.Evaluate(data)).Returns(true);
+        var list = new[] { falseEvaluatorMock.Object, trueEvaluatorMock.Object };
+
+        var composedEvaluator = list.EvaluateAll();
+        var result = composedEvaluator.Evaluate(data);
+
+        result.Should().BeFalse();
+        falseEvaluatorMock.Verify(e => e.Evaluate(data), Times.Once);
+        trueEvaluatorMock.Verify(e => e.Evaluate(data), Times.Never);
+    }
+
+    [Theory, AutoMoqData]
+    public void EvaluateAll_AllEvaluatorsAreTrue_ReturnTrue(
+        TestData data,
+        List<Mock<IEvaluator<TestData>>> trueEvaluatorMocks)
+    {
+        foreach (var evaluatorMock in trueEvaluatorMocks)
+            evaluatorMock
+                .Setup(e => e.Evaluate(data))
+                .Returns(true);
+
+        var composedEvaluator = trueEvaluatorMocks.Select(m => m.Object).EvaluateAll();
+        var result = composedEvaluator.Evaluate(data);
+
+        result.Should().BeTrue();
+        foreach (var evaluatorMock in trueEvaluatorMocks)
+            evaluatorMock.Verify(e => e.Evaluate(data), Times.Once);
+    }
+}