Initial Commit

tests/SportsDivision.Domain.Tests/StudentTests.cs

@@ -0,0 +1,99 @@
+using SportsDivision.Domain.Entities;
+using SportsDivision.Domain.Enums;
+
+namespace SportsDivision.Domain.Tests;
+
+public class StudentTests
+{
+    [Fact]
+    public void GetAge_BirthdayNotYetPassed_ReturnsCorrectAge()
+    {
+        var student = new Student
+        {
+            DateOfBirth = new DateOnly(2010, 6, 15)
+        };
+
+        var referenceDate = new DateOnly(2024, 3, 1);
+        Assert.Equal(13, student.GetAge(referenceDate));
+    }
+
+    [Fact]
+    public void GetAge_BirthdayAlreadyPassed_ReturnsCorrectAge()
+    {
+        var student = new Student
+        {
+            DateOfBirth = new DateOnly(2010, 3, 15)
+        };
+
+        var referenceDate = new DateOnly(2024, 6, 1);
+        Assert.Equal(14, student.GetAge(referenceDate));
+    }
+
+    [Fact]
+    public void GetAge_OnBirthday_ReturnsCorrectAge()
+    {
+        var student = new Student
+        {
+            DateOfBirth = new DateOnly(2010, 6, 15)
+        };
+
+        var referenceDate = new DateOnly(2024, 6, 15);
+        Assert.Equal(14, student.GetAge(referenceDate));
+    }
+
+    [Fact]
+    public void GetAge_DayBeforeBirthday_ReturnsOneLess()
+    {
+        var student = new Student
+        {
+            DateOfBirth = new DateOnly(2010, 6, 15)
+        };
+
+        var referenceDate = new DateOnly(2024, 6, 14);
+        Assert.Equal(13, student.GetAge(referenceDate));
+    }
+
+    [Fact]
+    public void GetAge_LeapYearBirthday_Feb29_ReferenceNonLeapYear()
+    {
+        var student = new Student
+        {
+            DateOfBirth = new DateOnly(2012, 2, 29) // leap year
+        };
+
+        // March 1, 2025 - non-leap year, birthday hasn't technically passed
+        var referenceDate = new DateOnly(2025, 3, 1);
+        Assert.Equal(13, student.GetAge(referenceDate));
+    }
+
+    [Fact]
+    public void GetAge_SameDayAsReference_ReturnsZero()
+    {
+        var student = new Student
+        {
+            DateOfBirth = new DateOnly(2024, 1, 1)
+        };
+
+        var referenceDate = new DateOnly(2024, 1, 1);
+        Assert.Equal(0, student.GetAge(referenceDate));
+    }
+
+    [Fact]
+    public void FullName_CombinesFirstAndLastName()
+    {
+        var student = new Student
+        {
+            FirstName = "John",
+            LastName = "Doe"
+        };
+
+        Assert.Equal("John Doe", student.FullName);
+    }
+
+    [Fact]
+    public void FullName_DefaultValues_ReturnsSpace()
+    {
+        var student = new Student();
+        Assert.Equal(" ", student.FullName);
+    }
+}