public void AddIfNotSet_WhenHeaderNameEmpty_ExpectNoChange(string headerName)
{
// arrange
HttpRequestHeaders headers = new HttpClient().DefaultRequestHeaders;
// act
headers = headers.AddHeaderIfNotSet(headerName, "999");
// assert
Assert.Empty(headers);
}
public void AddIfNotSet_WhenHeaderValueEmpty_ExpectNoChange(string headerValue)
{
// arrange
HttpRequestHeaders headers = new HttpClient().DefaultRequestHeaders;
// act
headers = headers.AddHeaderIfNotSet("X-Correlation-ID", headerValue);
// assert
Assert.Empty(headers);
}
public void AddIfNotSet_ExpectHeaderToBeAdded()
{
// arrange
// (NB! there's no public ctor for `HttpRequestHeaders`)
HttpRequestHeaders headers = new HttpClient().DefaultRequestHeaders;
// act
headers = headers.AddHeaderIfNotSet("X-Correlation-ID", "123");
// assert
Assert.True(headers.Contains("X-Correlation-ID"));
Assert.Contains("123", headers.GetValues("X-Correlation-ID"));
}
public void AddIfNotSet_HeaderAlreadySet_ExpectKeepingOldValue()
{
// arrange
HttpRequestHeaders headers = new HttpClient().DefaultRequestHeaders;
headers.Add("X-Correlation-ID", "123");
// act
// (try to set correlation ID "999")
headers = headers.AddHeaderIfNotSet("X-Correlation-ID", "999");
// assert
Assert.True(headers.Contains("X-Correlation-ID"));
Assert.Contains("123", headers.GetValues("X-Correlation-ID"));
}
