Initial

2023-11-27 06:56:03 +02:00
commit 343564fcc0
236 changed files with 101156 additions and 0 deletions
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+using Moq;
+using TaxCalculator.Api.Services;
+
+namespace TaxCalculator.UnitTests
+{
+    public class SalaryServiceTests
+    {
+        [Theory]
+        [InlineData(10000, 833.33, 9000, 750, 1000.00, 83.33)]
+        [InlineData(40000, 3333.33, 29000, 2416.67, 11000.00, 916.67)]
+        public async Task CalculateSalaryDetails_ReturnsCorrectResult(
+            int grossAnnualSalary, decimal grossMonthlySalary, decimal netAnnualSalary, decimal netMonthlySalary,
+            decimal annualTaxPaid, decimal monthlyTaxPaid)
+        {
+            // Arrange
+            var taxCalculatorMock = new Mock<ITaxCalculatorService>();
+            taxCalculatorMock.Setup(tc => tc.CalculateTax(It.IsAny<int>()))
+                .Returns(Task.FromResult(annualTaxPaid));
+
+            var salaryService = new SalaryService(taxCalculatorMock.Object);
+
+            // Act
+            var result = await salaryService.CalculateSalaryDetails(grossAnnualSalary);
+
+            // Assert
+            Assert.NotNull(result);
+            Assert.Equal(grossAnnualSalary, result.GrossAnnualSalary);
+            Assert.Equal(grossMonthlySalary, result.GrossMonthlySalary);
+            Assert.Equal(netAnnualSalary, result.NetAnnualSalary);
+            Assert.Equal(netMonthlySalary, result.NetMonthlySalary);
+            Assert.Equal(annualTaxPaid, result.AnnualTaxPaid);
+            Assert.Equal(monthlyTaxPaid, result.MonthlyTaxPaid);
+        }
+
+        [Fact]
+        public async Task CalculateSalaryDetails_ThrowsException_ForNegativeSalary()
+        {
+            // Arrange
+            var taxCalculatorMock = new Mock<ITaxCalculatorService>();
+            taxCalculatorMock.Setup(tc => tc.CalculateTax(It.IsAny<int>())).Returns(Task.FromResult((decimal)0));
+
+            var salaryService = new SalaryService(taxCalculatorMock.Object);
+            var negativeSalary = -5000;
+
+            // Act & Assert
+            var exception =
+                await Assert.ThrowsAsync<ArgumentException>(async () => await salaryService.CalculateSalaryDetails(negativeSalary));
+            
+            Assert.Equal("Gross annual salary must be non-negative.", exception.Message);
+        }
+    }
+}