/// <summary>
/// Sets the metadata to be used by the builder.
/// </summary>
/// <param name="metadata">The <see cref="PagedEnumerableMetadata"/> to use.</param>
/// <returns>A new <see cref="PagedEnumerableBuilder{T}"/> with the given <paramref name="metadata"/>.</returns>
public PagedEnumerableBuilder <T> WithMetadata(PagedEnumerableMetadata metadata)
{
if (metadata is null)
{
throw new ArgumentNullException(nameof(metadata));
}
return(new PagedEnumerableBuilder <T>(metadata, this.Records));
}
public void When_Default_is_called_Then_Count_and_Navigation_should_equal_respective_Default()
{
// Act.
var defaultMetadata = PagedEnumerableMetadata.Default();
var defaultCount = PagedEnumerableCount.Default();
var defaultNavigation = PagedEnumerableNavigation.Default();
// Assert.
defaultMetadata.Count.Should().BeEquivalentTo(defaultCount);
defaultMetadata.Navigation.Should().BeEquivalentTo(defaultNavigation);
}
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_a_null_builder_When_Create_is_called_Then_an_AgrumentNullException_should_be_thrown()
{
// Arrange.
PagedEnumerableMetadataBuilder builder = null;
// Act.
Action testCode = () => PagedEnumerableMetadata.Create(builder);
// Assert.
testCode.Should()
.Throw <ArgumentNullException>()
.WithMessage("*cannot be null*builder*");
}
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);
}
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);
}
private PagedEnumerableBuilder(PagedEnumerableMetadata metadata, IEnumerable <T> records)
{
this.Records = ImmutableList.CreateRange(records);
this.Metadata = metadata;
}