Wrote some simple tests for the new Randomize method.

Author: TonyTroeff

tests/TryAtSoftware.Randomizer.Core.Tests/ComplexRandomizerTests.cs

@@ -0,0 +1,45 @@
+namespace TryAtSoftware.Randomizer.Core.Tests;
+
+using System;
+using TryAtSoftware.Randomizer.Core.Primitives;
+using TryAtSoftware.Randomizer.Core.Tests.Models;
+using Xunit;
+
+public class ComplexRandomizerTests
+{
+    [Fact]
+    public void RandomizeShouldThrowExceptionWhenInvalidParametersAreProvided()
+    {
+        var randomizer = new ComplexRandomizer<Person>();
+        Assert.Throws<ArgumentNullException>(() => randomizer.Randomize(null!));
+        Assert.Throws<ArgumentNullException>(() => randomizer.Randomize(null!, new StringRandomizer()));
+        Assert.Throws<ArgumentNullException>(() => randomizer.Randomize<string>(x => x.Name, randomizer: null!));
+        Assert.Throws<ArgumentNullException>(() => randomizer.Randomize(null!, _ => new StringRandomizer()));
+        Assert.Throws<ArgumentNullException>(() => randomizer.Randomize<string>(x => x.Name, getRandomizer: null!));
+    }
+
+    [Fact]
+    public void RandomizationRulesShouldBeAddedSuccessfully()
+    {
+        var randomizer = new ComplexRandomizer<Person>();
+        randomizer.Randomize(x => x.Id, new GuidRandomizer());
+        randomizer.Randomize(x => x.Name, _ => new StringRandomizer());
+        randomizer.Randomize(new RandomizationRule<Person, int>(x => x.Age, new NumberRandomizer(min: 10, max: 50)));
+
+        var person = randomizer.PrepareRandomValue();
+        Assert.NotEqual(Guid.Empty, person.Id);
+        Assert.False(string.IsNullOrWhiteSpace(person.Name));
+        Assert.NotEqual(0, person.Age);
+    }
+
+    [Fact]
+    public void RandomizationRulesShouldBeOverriddenSuccessfully()
+    {
+        var randomizer = new ComplexRandomizer<Person>();
+        randomizer.Randomize(x => x.Age, new NumberRandomizer(min: 10, max: 20));
+        randomizer.Randomize(x => x.Age, new NumberRandomizer(min: 100, max: 200));
+
+        var person = randomizer.PrepareRandomValue();
+        Assert.True(100 <= person.Age && person.Age < 200);
+    }
+}