🚧Refactor unit test assertions (#273)

* Start work for issue #109

* deps: FluentAssertions v6.11.0 nuget package added to test project

* tests: refactor assertion code to use fluent assertions

Testing/CASLTests/CASLTests.csproj

@@ -18,6 +18,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="FluentAssertions" Version="6.11.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

Testing/CASLTests/NativeInterop/ExtensionMethodTests.cs

@@ -7,6 +7,7 @@ namespace CASLTests.NativeInterop;
 using System;
 using System.Runtime.InteropServices;
 using CASL.NativeInterop;
+using FluentAssertions;
 using Xunit;
 
 public class ExtensionMethodTests
@@ -19,21 +20,21 @@ public void ToManagedUTF8String_WithNullPointer_ReturnsEmptyString()
         var actual = IntPtr.Zero.ToManagedUtf8String();
 
         // Assert
-        Assert.Equal(string.Empty, actual);
+        actual.Should().BeEmpty();
     }
 
     [Fact]
     public void ToManagedUTF8String_WhenInvoked_ReturnsCorrectResult()
     {
         // Arrange
-        var testString = "hello world";
+        const string testString = "hello world";
         var stringDataPtr = Marshal.StringToHGlobalAnsi(testString);
 
         // Act
         var actual = stringDataPtr.ToManagedUtf8String();
 
         // Assert
-        Assert.Equal("hello world", actual);
+        actual.Should().Be("hello world");
     }
 
     [Fact]
@@ -46,7 +47,7 @@ public void ToReadOnlyCollection_WhenInvoked_ReturnsCorrectResult()
         var actual = testItems.ToReadOnlyCollection();
 
         // Assert
-        Assert.Equal(new[] { "item-1", "item-2" }, actual);
+        actual.Should().BeEquivalentTo("item-1", "item-2");
     }
     #endregion
 }

Testing/CASLTests/OpenAL/ALContextTests.cs

@@ -5,6 +5,7 @@
 namespace CASLTests.OpenAL;
 
 using CASL.OpenAL;
+using FluentAssertions;
 using Xunit;
 
 /// <summary>
@@ -23,7 +24,7 @@ public void Ctr_WhenInvoked_SetHandleProperty()
         var context = new ALContext(handle);
 
         // Assert
-        Assert.Equal(1234, context.Handle);
+        context.Handle.Should().Be(1234);
     }
     #endregion
 
@@ -39,7 +40,7 @@ public void ImplicitCast_WhenInvoked_SuccessfullyCastsContextToPointer()
         nint actual = context;
 
         // Assert
-        Assert.Equal(1234, actual);
+        actual.Should().Be(1234);
     }
 
     [Fact]
@@ -53,7 +54,7 @@ public void EqualsOperator_WithEqualOperands_ReturnsTrue()
         var actual = left == right;
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
 
     [Fact]
@@ -67,7 +68,7 @@ public void NotEqualsOperator_WithNonEqualOperands_ReturnsFalse()
         var actual = left != right;
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
     #endregion
 
@@ -79,7 +80,7 @@ public void Null_WhenInvoked_ReturnsEmptyContext()
         var actual = ALContext.Null();
 
         // Assert
-        Assert.Equal(0, actual.Handle);
+        actual.Handle.Should().Be(0);
     }
 
     [Fact]
@@ -93,7 +94,7 @@ public void Equals_WithContextParamOverloadAndEqualContext_ReturnsTrue()
         var actual = contextA.Equals(contextB);
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
 
     [Fact]
@@ -107,7 +108,7 @@ public void Equals_WithObjectParamOverloadAndNonContextType_ReturnsFalse()
         var actual = contextA.Equals(contextB);
 
         // Assert
-        Assert.False(actual);
+        actual.Should().BeFalse();
     }
 
     [Fact]
@@ -121,7 +122,7 @@ public void Equals_WithObjectParamOverloadAndEqualContext_ReturnsTrue()
         var actual = contextA.Equals(contextB);
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
     #endregion
 }

Testing/CASLTests/OpenAL/ALDeviceTests.cs

@@ -5,6 +5,7 @@
 namespace CASLTests.OpenAL;
 
 using CASL.OpenAL;
+using FluentAssertions;
 using Xunit;
 
 /// <summary>
@@ -53,7 +54,7 @@ public void EqualsOperator_WithEqualOperands_ReturnsTrue()
         var actual = left == right;
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
 
     [Fact]
@@ -67,7 +68,7 @@ public void NotEqualsOperator_WithNonEqualOperands_ReturnsFalse()
         var actual = left != right;
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
     #endregion
 
@@ -93,7 +94,7 @@ public void Equals_WithDeviceParamOverloadAndEquALDevice_ReturnsTrue()
         var actual = deviceA.Equals(deviceB);
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
 
     [Fact]
@@ -107,7 +108,7 @@ public void Equals_WithObjectParamOverloadAndNonDeviceType_ReturnsFalse()
         var actual = deviceA.Equals(deviceB);
 
         // Assert
-        Assert.False(actual);
+        actual.Should().BeFalse();
     }
 
     [Fact]
@@ -121,7 +122,7 @@ public void Equals_WithObjectParamOverloadAndEquALDevice_ReturnsTrue()
         var actual = deviceA.Equals(deviceB);
 
         // Assert
-        Assert.True(actual);
+        actual.Should().BeTrue();
     }
     #endregion
 }