public void WhenHealthVaultCdaToFhirToHealthVault_ThenValuesEqual()
{
string inputCdaXmlRaw = SampleUtil.GetSampleContent("CDA.xml");
XPathDocument xpDoc = DocumentReferenceHelper.GetXPathDocumentFromXml(inputCdaXmlRaw);
CDA inputCda = new CDA();
inputCda.TypeSpecificData = xpDoc;
var documentReference = inputCda.ToFhir() as DocumentReference;
var cda = documentReference.ToHealthVault() as CDA;
XPathDocument cdaXPathDoc = DocumentReferenceHelper.GetXPathDocumentFromXml(inputCdaXmlRaw) ?? throw new Exception("Invalid XML");
// XML gets generated using a common method in order to use in Assert.AreEqual
string inputCdaXml = DocumentReferenceHelper.GetXmlFromXPathNavigator(cdaXPathDoc.CreateNavigator());
Assert.IsNotNull(cda);
Assert.IsNotNull(cda.TypeSpecificData);
string cdaXml = DocumentReferenceHelper.GetXmlFromXPathNavigator(cda.TypeSpecificData.CreateNavigator());
Assert.AreEqual(inputCdaXml, cdaXml);
}
public void WhenHealthVaultCdaTransformedToFhir_ThenValuesEqual()
{
string cdaXmlRaw = SampleUtil.GetSampleContent("CDA.xml");
XPathDocument xpDoc = DocumentReferenceHelper.GetXPathDocumentFromXml(cdaXmlRaw);
Assert.IsNotNull(xpDoc);
CDA cda = new CDA();
cda.TypeSpecificData = xpDoc;
var documentReference = cda.ToFhir() as DocumentReference;
Assert.IsNotNull(documentReference);
Assert.IsNotNull(documentReference.Type);
Assert.AreEqual(documentReference.Content.Count, 1);
Assert.IsNotNull(documentReference.Content[0].Attachment);
Assert.IsNotNull(documentReference.Content[0].Attachment.Data);
Assert.IsNotNull(documentReference.Content[0].Attachment.ContentType, "application/xml");
string cdaXml = DocumentReferenceHelper.GetXmlFromXPathNavigator(cda.TypeSpecificData.CreateNavigator());
string cdaContentBase64Encoded = Convert.ToBase64String(Encoding.UTF8.GetBytes(cdaXml));
string fhirXmlRaw = Encoding.UTF8.GetString(documentReference.Content[0].Attachment.Data);
XPathDocument fhirXPathDoc;
using (TextReader txtReader = new StringReader(fhirXmlRaw))
{
fhirXPathDoc = new XPathDocument(txtReader);
}
string fhirXml = DocumentReferenceHelper.GetXmlFromXPathNavigator(xpDoc.CreateNavigator());
string fhirAttachmentDataBase64Encoded = Convert.ToBase64String(documentReference.Content[0].Attachment.Data);
Assert.AreEqual(fhirAttachmentDataBase64Encoded, cdaContentBase64Encoded);
}