public void The_Concrete_Builder_Is_Asked_To_Construct_With_The_Given_Seed()
{
var builder = new BuilderForTesting <ExampleClass>();
builder.Create(42);
builder.WasAskedToConstructWithSeeds.Should().Contain(42);
}
public void The_Created_Instance_Matches_The_Factory_Generic()
{
var builder = new BuilderForTesting <ExampleClass>();
object instance = builder.Create();
instance.Should().BeOfType <ExampleClass>();
}
public void CreateMany_Builds_Different_Instances()
{
var builderForTesting = new BuilderForTesting <ExampleClass>();
ExampleClass[] results = builderForTesting.CreateMany(3).ToArray();
results.Should().OnlyHaveUniqueItems();
}
public void The_Concrete_Builder_Is_Asked_To_Construct()
{
var builder = new BuilderForTesting <ExampleClass>();
builder.Create();
builder.WasAskedToConstruct.Should().BeTrue();
}
public void CreateMany_Pass_Sequental_Seeds_To_Build_Method()
{
var builderForTesting = new BuilderForTesting <ExampleClassBuilder>();
builderForTesting.CreateMany(3);
builderForTesting.WasAskedToConstructWithSeeds.Should().ContainInOrder(new[] { 0, 1, 2 });
}
public void AddOne_Will_Return_The_Builder_It_Just_Added_To_Builders()
{
var parentBuilder = new BuilderForTesting <ExampleClass>();
var t = new CollectionBuilder <ExampleChildClass, ExampleChildClassBuilder>(parentBuilder);
var res = t.AddOne();
t.Builders.Should().OnlyContain(x => x == res);
}
public void A_Property_Can_Be_Set_Using_Arbitrary_Key()
{
var builder = new BuilderForTesting <ExampleClass>();
builder.SetProperty(Key, "my opt in");
var res = builder.GetProperty(Key, "default");
res.Should().Be("my opt in");
}
public void Second_Create_Builds_A_Different_Instance()
{
var builderForTesting = new BuilderForTesting <ExampleClass>();
ExampleClass result1 = builderForTesting.Create();
ExampleClass result2 = builderForTesting.Create();
result1.Should().NotBeSameAs(result2);
}
public void Multiple_Creates_Pass_Seeds_To_Build_Method()
{
var builderForTesting = new BuilderForTesting <ExampleClass>();
builderForTesting.Create(42);
builderForTesting.Create(1);
builderForTesting.WasAskedToConstructWithSeeds.Should().ContainInOrder(new[] { 42, 1 });
}
public void GetProperty_Default_Func_Is_Invoked_If_SetProperty_Does_Not_Exist()
{
var builder = new BuilderForTesting <ExampleClass>();
var wasInvoked = false;
builder.GetProperty(x => x.StringProp, () => { wasInvoked = true; return(string.Empty); });
wasInvoked.Should().BeTrue("Opt in was not present, so default func should be invoked");
}
public void Customizations_Are_Performed_On_Built_Instance()
{
string customString = Generate.RandomString(50);
ExampleClass result = new BuilderForTesting <ExampleClass>()
.Customize(b => b.StringProp = customString)
.Create();
result.StringProp.Should().Be(customString, "customize was used to set the property.");
}
public void Can_Use_Nested_Builder()
{
var builder = new BuilderForTesting <ExampleClass>();
builder.SetProperty <ExampleReferencedClassBuilder>(x => x.ReferenceProp);
var res = builder.GetProperty(x => x.ReferenceProp, () => null);
res.Should().NotBeNull("Nested builder should create an instance.");
}
public void AddMany_Will_Reuse_Same_Item_Builder()
{
var parentBuilder = new BuilderForTesting <ExampleClass>();
var t = new CollectionBuilder <ExampleChildClass, ExampleChildClassBuilder>(parentBuilder);
t.AddMany(3);
t.Builders.Count.Should().Be(3);
t.Builders.Should().OnlyContain(x => x == t.Builders[0]);
}
public void A_String_Prop_Can_Be_Set()
{
var builder = new BuilderForTesting <ExampleClass>();
const string str = "abc";
builder.SetProperty(x => x.StringProp, str);
var res = builder.GetProperty(x => x.StringProp, string.Empty);
res.Should().Be(str, "String prop should be set on the created class");
}
public void AddOne_Will_Add_Item_Builder_To_Builders()
{
var parentBuilder = new BuilderForTesting <ExampleClass>();
var t = new CollectionBuilder <ExampleChildClass, ExampleChildClassBuilder>(parentBuilder);
t.AddOne();
t.Builders.Count.Should().Be(1, "only one builder should be added");
t.Builders.Should().ContainItemsAssignableTo <ExampleChildClassBuilder>();
}
public void Can_Use_Nested_Builder_With_SetProperty()
{
var builder = new BuilderForTesting <ExampleClass>();
builder.SetProperty <ExampleReferencedClassBuilder>(x => x.ReferenceProp, opts: o => o.WithStringProp("abc"));
var res = builder.GetProperty(x => x.ReferenceProp, () => null);
res.Should().NotBeNull("Nested builder should create an instance.");
res.StringProp.Should().Be("abc", "Nested builder should create an instance with applied opt-ins for the builder.");
}
public void A_DateTime_Prop_Can_Be_Set()
{
var builder = new BuilderForTesting <ExampleClass>();
var now = DateTime.Now;
builder.SetProperty(x => x.DateProp, now);
var res = builder.GetProperty(x => x.DateProp, DateTime.MinValue);
res.Should().Be(now, "DateTime prop should be set on the created class");
}
public void GetProperty_Default_Func_Is_Not_Ivoked_If_SetProperty_Exists()
{
var builder = new BuilderForTesting <ExampleClass>();
string str = Generate.RandomString(10);
bool wasInvoked = false;
builder.SetProperty(x => x.StringProp, str);
builder.GetProperty(x => x.StringProp, () => { wasInvoked = true; return(String.Empty); });
wasInvoked.Should().BeFalse("Opt in was present, so default func should not be invoked");
}
public void AddOne_With_Instance_Will_Add_Item_Builder_With_That_Instance_To_Builders()
{
var parentBuilder = new BuilderForTesting <ExampleClass>();
var t = new CollectionBuilder <ExampleChildClass, ExampleChildClassBuilder>(parentBuilder);
var c = new ExampleChildClass();
t.AddOne(c);
t.Builders.Count.Should().Be(1);
t.CreateAll().Should().OnlyContain(x => x == c);
}
public void AddMany_With_Instances_Will_Add_Item_Builders_With_These_Instances_To_Builders()
{
var parentBuilder = new BuilderForTesting <ExampleClass>();
var t = new CollectionBuilder <ExampleChildClass, ExampleChildClassBuilder>(parentBuilder);
var c = new[] { new ExampleChildClass(), new ExampleChildClass(), new ExampleChildClass() };
t.AddMany(c);
t.Builders.Count.Should().Be(3);
t.CreateAll().Should().Contain(c);
}
