public void Given_a_valid_Instant_When_WithCreated_is_called_Then_Created_Should_be_set()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
Instant created = Instant.FromUnixTimeMilliseconds(100000);
// Act.
builder = builder.WithCreated(created);
// Assert.
builder.Created.Should().Be(created);
}
public void Given_null_IClock_When_Create_is_called_Then_an_ArgumentNullException_should_be_thrown()
{
// Arrange.
IClock clock = null;
// Act.
Action createBuilder = () => BlogPostBuilder.Create(clock);
// Assert.
createBuilder.Should()
.Throw <ArgumentNullException>()
.WithMessage("*cannot be null*clock*");
}
public void Given_a_valid_guid_When_WithId_is_called_Then_Id_should_be_set()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
Guid id = Guid.NewGuid();
// Act.
builder = builder.WithId(id);
// Assert.
builder.Id.Should().Be(id);
}
public void Given_tags_is_not_null_When_WithTags_is_called_Then_Tags_should_be_set()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
IImmutableSet <Tag> tags = ImmutableHashSet.Create(Tag.Create("name"));
// Act.
builder = builder.WithTags(tags);
// Assert.
builder.Tags.Should().BeEquivalentTo(tags);
}
public void Given_content_is_not_null_When_WithContent_is_called_Then_Content_should_be_set()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
string content = "Content";
// Act.
builder = builder.WithContent(content);
// Assert.
builder.Content.Should().Be(content);
}
public void Given_status_is_not_null_When_WithStatus_is_called_Then_Status_should_be_set()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
BlogPostStatus status = BlogPostStatus.Published;
// Act.
builder = builder.WithStatus(status);
// Assert.
builder.Status.Should().Be(status);
}
public void Given_stauts_is_null_When_WithStatus_is_called_Then_an_ArgumentNullException_should_be_thrown()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
BlogPostStatus status = null;
// Act.
Action testCode = () => builder.WithStatus(status);
// Assert.
testCode.Should()
.Throw <ArgumentNullException>()
.WithMessage("*cannot be null*status*");
}
public void Given_two_sets_of_tags_When_WithTags_is_called_Then_Tags_should_be_last_set_of_tags()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
IImmutableSet <Tag> tags = ImmutableHashSet.Create(Tag.Create("name"), Tag.Create("pizza"));
IImmutableSet <Tag> otherTags = ImmutableHashSet.Create(Tag.Create("name"), Tag.Create("age"));
// Act.
builder = builder.WithTags(tags)
.WithTags(otherTags);
// Assert.
builder.Tags.Should().BeEquivalentTo(otherTags);
}
public void Given_tags_is_null_When_WithTags_is_called_Then_an_ArgumentNullException_should_be_thrown()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder = BlogPostBuilder.Create(clock);
IImmutableSet <Tag> tags = null;
// Act.
Action testCode = () => builder.WithTags(tags);
// Assert.
testCode.Should()
.Throw <ArgumentNullException>()
.WithMessage("*cannot be null*tags*");
}
public void Given_a_valid_IClock_When_Create_is_called_Then_builder_should_have_defaults_set()
{
// Arrange.
BlogPostBuilder builder;
IClock clock = ConstantClockStub.Create(0);
// Act.
builder = BlogPostBuilder.Create(clock);
// Assert.
builder.Id.Should().Be(Guid.Empty);
builder.Content.Should().Be(string.Empty);
builder.Created.Should().Be(clock.GetCurrentInstant());
builder.Status.Should().BeEquivalentTo(BlogPostStatus.Draft);
builder.Tags.Should().BeEmpty();
}
public void Given_a_valid_BlogPostBuilder_When_Build_is_called_Then_a_matching_BlogPost_is_constructed()
{
// Arrange.
IClock clock = ConstantClockStub.Create(0);
BlogPostBuilder builder;
BlogPost blogPost;
Guid id = Guid.NewGuid();
const string content = "Content";
BlogPostStatus draft = BlogPostStatus.Draft;
ImmutableHashSet <Tag> tags = ImmutableHashSet.Create(Tag.Create("tag"));
builder = BlogPostBuilder.Create(clock)
.WithId(id)
.WithContent(content)
.WithStatus(draft)
.WithTags(tags);
// Act.
blogPost = builder.Build();
// Assert.
blogPost.Should().BeEquivalentTo(builder);
}
