public void FormatValue_should_throw_if_no_collection_is_given()
{
var attribute = new FormatCollectionAttribute();
var formattingService = ToFormattingService(CultureInfo.InvariantCulture);
Assert.Throws <InvalidCastException>(() => attribute.FormatValue(new object(), formattingService));
}
public void FormatValue_should_throw_if_collection_is_null()
{
var attribute = new FormatCollectionAttribute();
var formattingService = ToFormattingService(CultureInfo.InvariantCulture);
Assert.Throws <ArgumentNullException>(() => attribute.FormatValue(null, formattingService));
}
public void CanFormat_should_accept_any_enumerable_type_except_string()
{
var attribute = new FormatCollectionAttribute();
Assert.That(attribute.CanFormat(typeof(IEnumerable)), Is.True);
Assert.That(attribute.CanFormat(typeof(string)), Is.False);
Assert.That(attribute.CanFormat(typeof(object)), Is.False);
}
public void It_should_format_collection_with_custom_formattings()
{
var attribute = new FormatCollectionAttribute("|", "<{0}>");
var collection = new object[] { 5, 55.5, new DateTime(2016, 05, 14) };
Assert.That(attribute.Format(CultureInfo.InvariantCulture, collection), Is.EqualTo("<5>|<55.5>|<05/14/2016 00:00:00>"));
var customCultureInfo = new CultureInfo("PL");
Assert.That(attribute.Format(customCultureInfo, collection), Is.EqualTo(string.Join("|", collection.Select(c => string.Format(customCultureInfo, "<{0}>", c)))));
}
public void FormatValue_should_format_collection()
{
var attribute = new FormatCollectionAttribute();
var collection = new object[] { 5, 55.5, new DateTime(2016, 05, 14) };
Assert.That(
attribute.FormatValue(collection, ToFormattingService(CultureInfo.InvariantCulture)),
Is.EqualTo("5, 55.5, 05/14/2016 00:00:00"));
var customCultureInfo = new CultureInfo("PL");
Assert.That(
attribute.FormatValue(collection, ToFormattingService(customCultureInfo)),
Is.EqualTo(string.Join(", ", collection.Select(c => string.Format(customCultureInfo, "{0}", c)))));
}
