public void NullBuildChildAction_ShouldThrow()
{
// arrange
var builderMock = new Mock <IDynamicBuilder <TestClassParent> >();
// act
Action withBuilderDependentChild = () => DynamicBuilderExtensions.WithBuilderDependentChild(builderMock.Object, p => p.Child, null);
// assert
withBuilderDependentChild.Should().Throw <ArgumentNullException>();
}
public void NullPropertyFunc_ShouldThrow()
{
// arrange
var builderMock = new Mock <IDynamicBuilder <TestClassParent> >();
// act
Action withBuilderDependentChild = () => DynamicBuilderExtensions.WithBuilderDependentChild <TestClassParent, TestClassChild>(builderMock.Object, null, (parentBuilder, childBuilder) => childBuilder
.WithValue(c => c.ChildValueProperty, parentBuilder.GetOverwrittenValue(e => e.ParentValueProperty) + 1));
// assert
withBuilderDependentChild.Should().Throw <ArgumentNullException>();
}
public void NullBuilder_ShouldThrow()
{
// arrange
IDynamicBuilder <TestClassParent> builder = null;
// act
Action withBuilderDependentChild = () => DynamicBuilderExtensions.WithBuilderDependentChild(builder, e => e.Child, (parentBuilder, childBuilder) => childBuilder
.WithValue(c => c.ChildValueProperty, parentBuilder.GetOverwrittenValue(e => e.ParentValueProperty) + 1));
// assert
withBuilderDependentChild.Should().Throw <ArgumentNullException>();
}
public void ExpressionIsMethodCall_ShouldThrow()
{
// arrange
var builderMock = new Mock <IDynamicBuilder <TestClassParent> >();
// act
Action withBuilderDependentChild = () => DynamicBuilderExtensions.WithBuilderDependentChild(builderMock.Object, e => e.ChildFunction(), (parentBuilder, childBuilder) => childBuilder
.WithValue(c => c.ChildValueProperty, parentBuilder.GetOverwrittenValue(e => e.ParentValueProperty) + 1));
// assert
var exception = withBuilderDependentChild.Should().Throw <ArgumentException>().And;
exception.Data[Errors.ErrorCodeExceptionDataKey].Should().Be(Errors.OnlyMemberAccessExpressionAreAllowed.Code);
}
public void ShouldOverwritePropertyByExpression()
{
// arrange
var builderMock = new Mock <IDynamicBuilder <TestClassParent> >();
var child = new TestClassChild();
int parentValue = 1;
builderMock.Setup(e => e.IsOverwritten(nameof(TestClassParent.ParentValueProperty))).Returns(true);
builderMock.Setup(e => e.GetOverwrittenValue(nameof(TestClassParent.ParentValueProperty))).Returns(parentValue);
builderMock.Setup(e => e.IsOverwritten(nameof(TestClassParent.Child))).Returns(true);
builderMock.Setup(e => e.GetOverwrittenValue(nameof(TestClassParent.Child))).Returns(child);
int expectedChildValue = parentValue + 1;
// act
var builder = DynamicBuilderExtensions.WithBuilderDependentChild(builderMock.Object, e => e.Child, (parentBuilder, childBuilder) => childBuilder
.WithValue(c => c.ChildValueProperty, parentBuilder.GetOverwrittenValue(e => e.ParentValueProperty) + 1));
// assert
builderMock.Verify(e => e.Overwrite(nameof(TestClassParent.Child), It.Is <TestClassChild>(c => c.ChildValueProperty == expectedChildValue)), Times.Once);
}