public void Given_no_inputs_When_Create_is_called_Then_Records_should_be_empty()
{
// Arrange.
PagedEnumerableBuilder <object> builder;
// Act.
builder = PagedEnumerableBuilder <object> .Create();
// Assert.
builder.Records.Should().BeEmpty();
}
public void Given_valid_input_When_WithRecords_is_called_Then_Records_should_equal_input(params string[] input)
{
// Arrange.
var builder = PagedEnumerableBuilder <string> .Create();
// Act.
builder = builder.WithRecords(input);
// Assert.
builder.Records.Should().BeEquivalentTo(input);
}
public void Given_valid_input_When_WithMetadata_is_called_Then_Metadata_should_equal_input(PagedEnumerableMetadata metadata)
{
// Arrange.
var builder = PagedEnumerableBuilder <object> .Create();
// Act.
builder = builder.WithMetadata(metadata);
// Assert.
builder.Metadata.Should().BeEquivalentTo(metadata);
}
public void Given_no_inputs_When_Create_is_called_Then_Metadata_should_be_same_as_Default_PagedEnumerableMetadata()
{
// Arrange.
PagedEnumerableMetadata defaultMetadata = PagedEnumerableMetadata.Default();
PagedEnumerableBuilder <object> builder;
// Act.
builder = PagedEnumerableBuilder <object> .Create();
// Assert.
builder.Metadata.Should().BeEquivalentTo(defaultMetadata);
}
public void Given_null_metadata_When_WithMetadata_is_called_Then_an_ArgumentNullException_should_be_thrown()
{
// Arrange.
var metadata = PagedEnumerableMetadataFactory.Null();
var builder = PagedEnumerableBuilder <object> .Create();
// Act.
Action testAction = () => builder.WithMetadata(metadata);
// Assert.
testAction.Should()
.Throw <ArgumentNullException>()
.WithMessage("*cannot be null*metadata*");
}
public void Given_null_records_When_WithRecords_is_called_Then_should_throw_ArgumentNullException()
{
// Arrange.
IEnumerable <object> records = null;
var builder = PagedEnumerableBuilder <object> .Create();
// Act.
Action testAction = () => builder.WithRecords(records);
// Assert.
testAction.Should()
.Throw <ArgumentNullException>()
.WithMessage("*cannot be null*records*");
}
public void Given_valid_inputs_When_Build_is_called_Then_a_matching_PagedEnumerable_should_be_created()
{
// Arrange.
IEnumerable <object> records = new object[] { "Hello", "World" };
PagedEnumerableMetadata metadata = PagedEnumerableMetadataFactory.WellFormed();
var builder = PagedEnumerableBuilder <object> .Create()
.WithMetadata(metadata)
.WithRecords(records);
// Act.
var pagedEnumerable = builder.Build();
// Assert.
pagedEnumerable.Records.Should().BeEquivalentTo(records);
pagedEnumerable.Metadata.Should().BeEquivalentTo(metadata);
}
