public async Task ConvertAsync_WhenContactIsNotNull_ReturnsNonEmptyCollection()
{
IContactToCsvConverter sut = CreateSut();
IEnumerable <string> result = await sut.ConvertAsync(_fixture.BuildContactMock().Object);
Assert.That(result, Is.Not.Empty);
}
public async Task ConvertAsync_WhenContactIsNotNull_ReturnsNonEmptyCollectionWhichMatchNumberOfColumnsFromGetColumnNamesAsync()
{
IContactToCsvConverter sut = CreateSut();
string[] result = (await sut.ConvertAsync(_fixture.BuildContactMock().Object)).ToArray();
Assert.That(result.Count, Is.EqualTo((await sut.GetColumnNamesAsync()).Count()));
}
public void ConvertAsync_WhenContactIsNull_ThrowsArgumentNullException()
{
IContactToCsvConverter sut = CreateSut();
ArgumentNullException result = Assert.ThrowsAsync <ArgumentNullException>(async() => await sut.ConvertAsync(null));
Assert.That(result.ParamName, Is.EqualTo("contact"));
}