public void SelectResponseCharacterEncoding_ThrowsOnNull()
{
MockContentNegotiator negotiator = new MockContentNegotiator();
HttpRequestMessage request = new HttpRequestMessage();
MockMediaTypeFormatter formatter = new MockMediaTypeFormatter();
Assert.ThrowsArgumentNull(() => negotiator.SelectResponseCharacterEncoding(request: null, formatter: formatter), "request");
Assert.ThrowsArgumentNull(() => negotiator.SelectResponseCharacterEncoding(request: request, formatter: null), "formatter");
}
public void SelectResponseCharacterEncoding_SelectsEncoding(string[] acceptCharsetHeaders, string requestEncoding, string[] supportedEncodings, string expectedEncoding)
{
// Arrange
MockContentNegotiator negotiator = new MockContentNegotiator();
HttpRequestMessage request = new HttpRequestMessage();
foreach (string acceptCharsetHeader in acceptCharsetHeaders)
{
request.Headers.AcceptCharset.Add(StringWithQualityHeaderValue.Parse(acceptCharsetHeader));
}
if (requestEncoding != null)
{
Encoding reqEncoding = Encoding.GetEncoding(requestEncoding);
StringContent content = new StringContent("", reqEncoding, "text/plain");
request.Content = content;
}
MockMediaTypeFormatter formatter = new MockMediaTypeFormatter()
{
CallBase = true
};
foreach (string supportedEncoding in supportedEncodings)
{
formatter.SupportedEncodings.Add(Encoding.GetEncoding(supportedEncoding));
}
// Act
Encoding actualEncoding = negotiator.SelectResponseCharacterEncoding(request, formatter);
// Assert
if (expectedEncoding == null)
{
Assert.Null(actualEncoding);
}
else
{
Assert.Equal(Encoding.GetEncoding(expectedEncoding), actualEncoding);
}
}