feat(encoder): Rename encoder class from ZugferdXmlEncoder to FacturXEncoder to better reflect Factur-X compliance. All related imports, exports, and tests have been updated while maintaining backward compatibility.

test/test.xml-creation.ts

@@ -0,0 +1,59 @@
+import { tap, expect } from '@push.rocks/tapbundle';
+import * as getInvoices from './assets/getasset.js';
+import { FacturXEncoder } from '../ts/classes.encoder.js';
+
+// Sample test letter data
+const testLetterData = getInvoices.letterObjects.letter1.demoLetter;
+
+// Test generating XML from letter data
+tap.test('Generate Factur-X XML from letter data', async () => {
+  // Create an encoder instance
+  const encoder = new FacturXEncoder();
+  
+  // Generate XML
+  let xmlString: string | null = null;
+  try {
+    xmlString = await encoder.createFacturXXml(testLetterData);
+  } catch (error) {
+    console.error('Error creating XML:', error);
+    tap.fail('Error creating XML: ' + error.message);
+  }
+  
+  // Verify XML was created
+  expect(xmlString).toBeTypeOf('string');
+  
+  if (xmlString) {
+    // Check XML basic structure
+    expect(xmlString).toInclude('<?xml version="1.0" encoding="UTF-8"?>');
+    expect(xmlString).toInclude('<rsm:CrossIndustryInvoice');
+    
+    // Check core invoice data is included
+    expect(xmlString).toInclude('<ram:ID>' + testLetterData.content.invoiceData.id + '</ram:ID>');
+    
+    // Check seller and buyer info
+    expect(xmlString).toInclude(testLetterData.content.invoiceData.billedBy.name);
+    expect(xmlString).toInclude(testLetterData.content.invoiceData.billedTo.name);
+    
+    // Check currency
+    expect(xmlString).toInclude(testLetterData.content.invoiceData.currency);
+  }
+});
+
+// Test generating XML with different invoice types
+tap.test('Generate XML with different invoice types', async () => {
+  // Create a modified letter with credit note type
+  const creditNoteLetterData = JSON.parse(JSON.stringify(testLetterData));
+  creditNoteLetterData.content.invoiceData.type = 'creditnote';
+  
+  // Create an encoder instance
+  const encoder = new FacturXEncoder();
+  
+  // Generate XML
+  const xmlString = await encoder.createFacturXXml(creditNoteLetterData);
+  
+  // Check credit note type code (should be 381)
+  expect(xmlString).toInclude('<ram:TypeCode>381</ram:TypeCode>');
+});
+
+// Start the test suite
+tap.start();