public void NullExpression_ShouldThrow()
{
// arrange
var builderMock = new Mock <IDynamicBuilder <TestClass> >();
// act
Action getOverwrittenValue = () => DynamicBuilderExtensions.GetOverwrittenValue <TestClass, string>(builderMock.Object, null);
// assert
getOverwrittenValue.Should().Throw <ArgumentNullException>();
}
public void NullBuilder_ShouldThrow()
{
// arrange
IDynamicBuilder <TestClass> builder = null;
// act
Action getOverwrittenValue = () => DynamicBuilderExtensions.GetOverwrittenValue(builder, e => e.StringProperty);
// assert
getOverwrittenValue.Should().Throw <ArgumentNullException>();
}
public void ExpressionIsMethodCall_ShouldThrow()
{
// arrange
var builderMock = new Mock <IDynamicBuilder <TestClass> >();
// act
Action getOverwrittenValue = () => DynamicBuilderExtensions.GetOverwrittenValue(builderMock.Object, e => e.StringFunction());
// assert
var exception = getOverwrittenValue.Should().Throw <ArgumentException>().And;
exception.Data[Errors.ErrorCodeExceptionDataKey].Should().Be(Errors.OnlyMemberAccessExpressionAreAllowed.Code);
}
public void StructProperty_ShouldGetOverwrittenValue()
{
// arrange
Guid expectedResult = Guid.NewGuid();
var builderMock = new Mock <IDynamicBuilder <TestClass> >();
builderMock
.Setup(e => e.IsOverwritten(nameof(TestClass.GuidProperty)))
.Returns(true);
builderMock
.Setup(e => e.GetOverwrittenValue(nameof(TestClass.GuidProperty)))
.Returns(expectedResult);
// act
var result = DynamicBuilderExtensions.GetOverwrittenValue(builderMock.Object, e => e.GuidProperty);
// assert
result.Should().Be(expectedResult);
}
public void NullableProperty_ShouldGetOverwrittenValue()
{
// arrange
int?expectedResult = 1;
var builderMock = new Mock <IDynamicBuilder <TestClass> >();
builderMock
.Setup(e => e.IsOverwritten(nameof(TestClass.NullableInt32Property)))
.Returns(true);
builderMock
.Setup(e => e.GetOverwrittenValue(nameof(TestClass.NullableInt32Property)))
.Returns((int?)1);
// act
int?result = DynamicBuilderExtensions.GetOverwrittenValue(builderMock.Object, e => e.NullableInt32Property);
// assert
result.Should().Be(expectedResult);
}