public void ShouldReturnNullForMalformedHeader(string header)
{
var parser = new LanguageHeaderParser();
var result = parser.Parse(header);
Assert.That(result, Is.Null);
}
public void ShouldReturnNullWithNoHeader()
{
var parser = new LanguageHeaderParser();
var result = parser.Parse("");
Assert.That(result, Is.Null);
}
/// <summary>
/// Pass in a language header, get a language code that complies with the language rules you specified
/// </summary>
/// <param name="languageHeader">String, the language header passed in with a request</param>
/// <returns></returns>
public String GetLanguageCode(String languageHeader)
{
if (String.IsNullOrEmpty(languageHeader))
{
return(DefaultLanguage);
}
var languages = HeaderParser.Parse(languageHeader);
return((languages != null && languages.Any()) ? ProcessLanguages(languages) : DefaultLanguage);
}
public void ShouldParseOutHeader()
{
const string header = "en-US,en;q=0.8,de;q=0.6,de-DE;q=0.4";
var expected = new List <Language>
{
new Language("en-us", 1.0d),
new Language("en", 0.8d),
new Language("de", 0.6d),
new Language("de-de", 0.4d)
};
var parser = new LanguageHeaderParser();
var result = parser.Parse(header);
for (var i = 0; i < result.Count; i++)
{
Assert.That(new LanguageComparer().Equals(result[i], expected[i]));
}
}