public void CreateItemReturningItem_WithNoFactory_Fails()
{
var id = new Mock<IIdentifier>().Object;
IEquationBuilder builder = new EquationBuilder();
IItem item;
builder.CreateItem(id, out item);
}
public void CreateItemReturningItem_WithFactoryAndUnknownIdentifier_Fails()
{
var id = new Mock<IIdentifier>().Object;
var factory = new Mock<IFactory>();
factory.Setup(o => o.CanCreate(id)).Returns(false);
IEquationBuilder builder = new EquationBuilder(new[] { factory.Object });
IItem item;
builder.CreateItem(id, out item);
}
public void Factory_PlugedInTheEquationBuilder_CanBeUsedToCreateSquareRoot()
{
var factory = new AdvancedMathOperatorsFactory();
var builder = new EquationBuilder(new[] { factory });
builder = builder.CreateItem<EquationBuilder>(AdvancedMathOperators.SquareRoot);
var tree = builder.ToImmutableTree();
var rootValue = tree.ValueOf(tree.GetRoot());
Assert.AreEqual("SquareRoot", rootValue);
}
public void CreateItemReturningItem_WithFactoriesThatCanCreateSameItem_Fails()
{
var id = new Mock<IIdentifier>().Object;
var item = new Mock<IItem>().Object;
var factory = new Mock<IFactory>();
factory.Setup(o => o.CanCreate(id)).Returns(true);
factory.Setup(o => o.Create(id)).Returns(item);
IEquationBuilder builder = new EquationBuilder(new[] { factory.Object, factory.Object });
IItem createItem;
builder.CreateItem(id, out createItem);
}
public void CreateItemReturningItem_WithFactoryAndKnownIdentifier_ReturnsTheNewItem()
{
var id = new Mock<IIdentifier>().Object;
var item = new Mock<IItem>().Object;
var factory = new Mock<IFactory>();
factory.Setup(o => o.CanCreate(id)).Returns(true);
factory.Setup(o => o.Create(id)).Returns(item);
IEquationBuilder builder = new EquationBuilder(new[] { factory.Object });
IItem createItem;
builder.CreateItem(id, out createItem);
Assert.AreEqual(item, createItem);
}
public void CreateItem_WithNoFactory_Fails()
{
var id = new Mock<IIdentifier>().Object;
IEquationBuilder builder = new EquationBuilder();
builder.CreateItem(id);
}
public void CreateItem_WithFactoryAndKnownIdentifier_ReturnsTheBuilder()
{
var id = new Mock<IIdentifier>().Object;
var item = new Mock<IItem>().Object;
var factory = new Mock<IFactory>();
factory.Setup(o => o.CanCreate(id)).Returns(true);
factory.Setup(o => o.Create(id)).Returns(item);
IEquationBuilder builder = new EquationBuilder(new[] { factory.Object });
var returnedBuilder = builder.CreateItem(id);
Assert.AreEqual(builder, returnedBuilder);
}