public void TestInverseMappingDoesNothing()
{
var foo = new Foo {
Id = 10
};
Expression <Func <Foo, int> > source = _ => _.Id * _.Id;
var sut = new ExpressionToPropertyAssociation <Foo, Bar, int>(source, _ => _.Id);
var bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
foo.Id.Should().Be(10);
}
public void TestEmptyMapsToEmpty()
{
var sut = CreateSut();
var foo = new Foo
{
Bazes = Enumerable.Empty <Baz>()
};
var bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
bar.Names.Should().NotBeNull();
bar.Names.Should().BeEmpty();
}
public void TestDirectMappingCreatesTargetComponent()
{
var foo = new Foo {
Component = new Baz {
Id = 15
}
};
var sut = new ComponentToComponentAssociation <Foo, Baz, Bar, Qux>(_ => _.Component, _ => _.Component);
var bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
bar.Component.Should().NotBeNull();
bar.Component.Id.Should().Be(0);
}
public void TestStringMapping()
{
var foo = new Foo {
Name = "123"
};
Expression <Func <Foo, int> > source = _ => _.Name.Length;
var sut = new ExpressionToPropertyAssociation <Foo, Bar, int>(source, _ => _.Id);
var expected = source.Compile()(foo);
var bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
bar.Id.Should().Be(expected);
}
public void TestDirectMappingAppliesMapper()
{
var foo = new Foo {
Component = new Baz {
Id = 15
}
};
var sut = new ComponentToComponentAssociation <Foo, Baz, Bar, Qux>(_ => _.Component, _ => _.Component);
var component = new PropertyToPropertyAssociation <Baz, Qux, int>(_ => _.Id, _ => _.Id);
var bar = CreateReader(sut, component)(foo);
bar.Should().NotBeNull();
bar.Component.Should().NotBeNull();
bar.Component.Id.Should().Be(foo.Component.Id);
}
public void TestMappingAssignsDefaultValue()
{
var sut = new ComponentToComponentAssociation <Foo, Baz, Bar, Qux>(_ => _.Component, _ => _.Component);
var component = new PropertyToPropertyAssociation <Baz, Qux, int>(_ => _.Id, _ => _.Id);
var foo = new Foo();
var bar = CreateReader(sut, component)(foo);
bar.Should().NotBeNull();
bar.Component.Should().BeNull();
foo = new Foo {
Component = new Baz()
};
bar = new Bar();
CreateWriter(sut, component)(bar, foo);
foo.Component.Should().BeNull();
}
public void TestMappingAppliesMapper()
{
var sut = new ComponentCollectionAssociation <Foo, Baz, Bar, Qux>(_ => _.Bazes, _ => _.Quxes);
var component = new PropertyToPropertyAssociation <Baz, Qux, int>(_ => _.Id, _ => _.Id);
var foo = new Foo
{
Bazes = new[] { new Baz {
Id = 1
}, new Baz {
Id = 2
} }
};
var bar = CreateReader(sut, component)(foo);
bar.Quxes.Should().NotBeNull();
bar.Quxes.Should().NotBeEmpty();
bar.Quxes.Select(_ => _.Id).Should().BeEquivalentTo(foo.Bazes.Select(_ => _.Id));
}
public void TestMappingAppliesMapper()
{
var sut = CreateSut();
var foo = new Foo
{
Bazes = new[] { new Baz {
Id = 1
}, new Baz {
Id = 2
} }
};
var bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
bar.Names.Should().NotBeNull();
bar.Names.Should().NotBeEmpty();
bar.Names.Should().BeEquivalentTo(foo.Bazes.Select(_ => _.Id.ToString()));
}
public void TestIntToStringMapping()
{
Foo foo;
Bar bar;
var sut = new PropertyToPropertyWithConversionAssociation <Foo, int, Bar, string>(_ => _.Id, _ => _.ToString(), _ => _.Name, _ => int.Parse(_));
foo = new Foo {
Id = 123
};
bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
bar.Name.Should().Be(foo.Id.ToString());
foo = new Foo {
Id = 123
};
bar = new Bar {
Name = "555"
};
CreateWriter(sut)(bar, foo);
foo.Id.Should().Be(int.Parse(bar.Name));
}
public void TestStringMapping()
{
Foo foo;
Bar bar;
var sut = new PropertyToPropertyAssociation <Foo, Bar, string>(_ => _.Name, _ => _.Name);
foo = new Foo {
Name = "aaa"
};
bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
bar.Id.Should().Be(foo.Id);
foo = new Foo {
Name = "aaa"
};
bar = new Bar {
Name = "bbb"
};
CreateWriter(sut)(bar, foo);
foo.Id.Should().Be(bar.Id);
}
public void TestIntMapping()
{
Foo foo;
Bar bar;
var sut = new PropertyToPropertyAssociation <Foo, Bar, int>(_ => _.Id, _ => _.Id);
foo = new Foo {
Id = 5
};
bar = CreateReader(sut)(foo);
bar.Should().NotBeNull();
bar.Id.Should().Be(foo.Id);
foo = new Foo {
Id = 5
};
bar = new Bar {
Id = 6
};
CreateWriter(sut)(bar, foo);
foo.Id.Should().Be(bar.Id);
}