public void SetTemplateMethodSadPath()
{
var options = new TestFormattableLogProviderOptions();
Action act = () => options.SetTemplate(null);
act.Should().ThrowExactly <ArgumentNullException>().WithMessage("*template*");
}
public void SetTemplateMethodHappyPath()
{
var options = new TestFormattableLogProviderOptions();
options.SetTemplate("foo");
var formatter = options.FormatterRegistration.Invoke(_emptyServiceProvider);
formatter.Should().BeOfType <TemplateLogFormatter>()
.Which.Template.Should().Be("foo");
}