public void SelectCharacterEncoding_ReturnsBestEncoding(string bodyEncoding, string[] supportedEncodings, string expectedEncoding)
{
// Arrange
MockMediaTypeFormatter formatter = new MockMediaTypeFormatter {
CallBase = true
};
foreach (string supportedEncoding in supportedEncodings)
{
formatter.SupportedEncodings.Add(Encoding.GetEncoding(supportedEncoding));
}
HttpContentHeaders contentHeaders = null;
if (bodyEncoding != null)
{
Encoding bodyEnc = Encoding.GetEncoding(bodyEncoding);
HttpContent content = new StringContent("Hello World", bodyEnc, "text/plain");
contentHeaders = content.Headers;
}
// Act
Encoding actualEncoding = formatter.SelectCharacterEncoding(contentHeaders);
// Assert
Encoding expectedEnc = expectedEncoding != null?Encoding.GetEncoding(expectedEncoding) : null;
Assert.Equal(expectedEnc, actualEncoding);
}
public void SelectCharacterEncoding_ThrowsIfNoSupportedEncodings()
{
// Arrange
MockMediaTypeFormatter formatter = new MockMediaTypeFormatter { CallBase = true };
HttpContent content = new StringContent("Hello World", Encoding.UTF8, "text/plain");
// Act
Assert.Throws<InvalidOperationException>(() => formatter.SelectCharacterEncoding(content.Headers));
}