einvoice/test/suite/einvoice_encoding/test.enc-07.attribute-encoding.ts

265 lines
10 KiB
TypeScript

import { expect, tap } from '@git.zone/tstest/tapbundle';
import { EInvoice } from '../../../ts/index.js';
tap.test('ENC-07: Attribute Encoding - should handle character encoding in XML attributes', async () => {
console.log('Testing XML attribute character encoding...\n');
// Test 1: Special characters in XML attributes
const testSpecialCharacters = async () => {
const einvoice = new EInvoice();
einvoice.id = 'ATTR-SPECIAL-TEST';
einvoice.issueDate = new Date(2025, 0, 25);
einvoice.subject = 'Attribute encoding test with special characters';
// Create invoice with special characters that need escaping in attributes
einvoice.from = {
type: 'company',
name: 'Company & Co. "Special" Ltd',
description: 'Testing <special> chars & "quotes"',
address: {
streetName: 'Street & "Quote" <Test>',
houseNumber: '1',
postalCode: '12345',
city: 'Test & "City"',
country: 'DE'
},
status: 'active',
foundedDate: { year: 2020, month: 1, day: 1 },
registrationDetails: {
vatId: 'DE123456789',
registrationId: 'HRB & 12345',
registrationName: 'Commercial & Register'
}
};
einvoice.to = {
type: 'person',
name: 'John & "Test"',
surname: 'Customer',
salutation: 'Mr' as const,
sex: 'male' as const,
title: 'Doctor' as const,
description: 'Customer with <special> & "chars"',
address: {
streetName: 'Customer & Street',
houseNumber: '2',
postalCode: '54321',
city: 'Customer "City"',
country: 'DE'
}
};
einvoice.items = [{
position: 1,
name: 'Product & "Special" <Item>',
articleNumber: 'ATTR&001',
unitType: 'EA',
unitQuantity: 1,
unitNetPrice: 100,
vatPercentage: 19
}];
// Export and verify attributes are properly encoded
const xmlString = await einvoice.toXmlString('ubl');
// Check that special characters are properly escaped in the XML
const hasEscapedAmpersand = xmlString.includes('&amp;');
const hasEscapedQuotes = xmlString.includes('&quot;');
const hasEscapedLt = xmlString.includes('&lt;');
const hasEscapedGt = xmlString.includes('&gt;');
// Verify the XML can be parsed back
const newInvoice = new EInvoice();
await newInvoice.fromXmlString(xmlString);
const roundTripSuccess = (newInvoice.id === 'ATTR-SPECIAL-TEST' ||
newInvoice.invoiceId === 'ATTR-SPECIAL-TEST' ||
newInvoice.accountingDocId === 'ATTR-SPECIAL-TEST') &&
newInvoice.from?.name?.includes('&') &&
newInvoice.from?.name?.includes('"');
console.log(`Test 1 - Special characters in attributes:`);
console.log(` Ampersand escaped: ${hasEscapedAmpersand ? 'Yes' : 'No'}`);
console.log(` Quotes escaped: ${hasEscapedQuotes ? 'Yes' : 'No'}`);
console.log(` Less-than escaped: ${hasEscapedLt ? 'Yes' : 'No'}`);
console.log(` Greater-than escaped: ${hasEscapedGt ? 'Yes' : 'No'}`);
console.log(` Round-trip successful: ${roundTripSuccess ? 'Yes' : 'No'}`);
return { hasEscapedAmpersand, hasEscapedQuotes, hasEscapedLt, hasEscapedGt, roundTripSuccess };
};
// Test 2: Unicode characters in attributes
const testUnicodeCharacters = async () => {
const einvoice = new EInvoice();
einvoice.id = 'ATTR-UNICODE-TEST';
einvoice.issueDate = new Date(2025, 0, 25);
einvoice.subject = 'Unicode attribute test: €äöüßñç';
einvoice.from = {
type: 'company',
name: 'Företag AB (€äöüß)',
description: 'Testing Unicode: ∑∏∆ €£¥₹',
address: {
streetName: 'Straße Åäöü',
houseNumber: '1',
postalCode: '12345',
city: 'München',
country: 'DE'
},
status: 'active',
foundedDate: { year: 2020, month: 1, day: 1 },
registrationDetails: {
vatId: 'DE123456789',
registrationId: 'HRB 12345',
registrationName: 'Handelsregister'
}
};
einvoice.to = {
type: 'person',
name: 'José',
surname: 'Müller-Øst',
salutation: 'Mr' as const,
sex: 'male' as const,
title: 'Doctor' as const,
description: 'Unicode customer: café résumé naïve',
address: {
streetName: 'Côte d\'Azur',
houseNumber: '2',
postalCode: '54321',
city: 'São Paulo',
country: 'BR'
}
};
einvoice.items = [{
position: 1,
name: 'Café Spécial (™)',
articleNumber: 'UNI-001',
unitType: 'EA',
unitQuantity: 1,
unitNetPrice: 100,
vatPercentage: 19
}];
const xmlString = await einvoice.toXmlString('ubl');
// Verify Unicode characters are preserved
const hasUnicodePreserved = xmlString.includes('Företag') &&
xmlString.includes('München') &&
xmlString.includes('José') &&
xmlString.includes('Müller') &&
xmlString.includes('Café');
// Test round-trip
const newInvoice = new EInvoice();
await newInvoice.fromXmlString(xmlString);
const unicodeRoundTrip = newInvoice.from?.name?.includes('Företag') &&
newInvoice.to?.name?.includes('José') &&
newInvoice.items?.[0]?.name?.includes('Café');
console.log(`\nTest 2 - Unicode characters in attributes:`);
console.log(` Unicode preserved in XML: ${hasUnicodePreserved ? 'Yes' : 'No'}`);
console.log(` Unicode round-trip successful: ${unicodeRoundTrip ? 'Yes' : 'No'}`);
return { hasUnicodePreserved, unicodeRoundTrip };
};
// Test 3: XML predefined entities in attributes
const testXmlEntities = async () => {
const testXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2"
xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2">
<cbc:UBLVersionID>2.1</cbc:UBLVersionID>
<cbc:ID>ATTR-ENTITY-TEST</cbc:ID>
<cbc:IssueDate>2025-01-25</cbc:IssueDate>
<cbc:DocumentCurrencyCode>EUR</cbc:DocumentCurrencyCode>
<cac:AccountingSupplierParty>
<cac:Party>
<cac:PartyName>
<cbc:Name>Company &amp; Co. &quot;Special&quot; &lt;Ltd&gt;</cbc:Name>
</cac:PartyName>
</cac:Party>
</cac:AccountingSupplierParty>
</Invoice>`;
try {
const einvoice = new EInvoice();
await einvoice.fromXmlString(testXml);
const entitySuccess = einvoice.from?.name?.includes('&') &&
einvoice.from?.name?.includes('"') &&
einvoice.from?.name?.includes('<') &&
einvoice.from?.name?.includes('>');
console.log(`\nTest 3 - XML entity parsing:`);
console.log(` Entities correctly parsed: ${entitySuccess ? 'Yes' : 'No'}`);
return { entitySuccess };
} catch (error) {
console.log(`\nTest 3 - XML entity parsing:`);
console.log(` Entity parsing failed: ${error.message}`);
return { entitySuccess: false };
}
};
// Test 4: Attribute value normalization
const testAttributeNormalization = async () => {
const testXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2"
xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2">
<cbc:UBLVersionID>2.1</cbc:UBLVersionID>
<cbc:ID>ATTR-NORM-TEST</cbc:ID>
<cbc:IssueDate>2025-01-25</cbc:IssueDate>
<cbc:DocumentCurrencyCode>EUR</cbc:DocumentCurrencyCode>
<cac:AccountingSupplierParty>
<cac:Party>
<cac:PartyName>
<cbc:Name> Normalized Spaces Test </cbc:Name>
</cac:PartyName>
</cac:Party>
</cac:AccountingSupplierParty>
</Invoice>`;
try {
const einvoice = new EInvoice();
await einvoice.fromXmlString(testXml);
// Check if whitespace normalization occurs appropriately
const hasNormalization = einvoice.from?.name?.trim() === 'Normalized Spaces Test';
console.log(`\nTest 4 - Attribute value normalization:`);
console.log(` Normalization handling: ${hasNormalization ? 'Correct' : 'Needs review'}`);
return { hasNormalization };
} catch (error) {
console.log(`\nTest 4 - Attribute value normalization:`);
console.log(` Normalization test failed: ${error.message}`);
return { hasNormalization: false };
}
};
// Run all tests
const specialCharsResult = await testSpecialCharacters();
const unicodeResult = await testUnicodeCharacters();
const entitiesResult = await testXmlEntities();
const normalizationResult = await testAttributeNormalization();
console.log(`\n=== XML Attribute Encoding Test Summary ===`);
console.log(`Special character escaping: ${specialCharsResult.hasEscapedAmpersand && specialCharsResult.hasEscapedQuotes ? 'Working' : 'Issues'}`);
console.log(`Unicode character support: ${unicodeResult.hasUnicodePreserved ? 'Working' : 'Issues'}`);
console.log(`XML entity parsing: ${entitiesResult.entitySuccess ? 'Working' : 'Issues'}`);
console.log(`Attribute normalization: ${normalizationResult.hasNormalization ? 'Working' : 'Issues'}`);
console.log(`Round-trip consistency: ${specialCharsResult.roundTripSuccess && unicodeResult.unicodeRoundTrip ? 'Working' : 'Issues'}`);
// Test passes if basic XML character escaping and Unicode support work
expect(specialCharsResult.hasEscapedAmpersand || specialCharsResult.roundTripSuccess).toBeTrue();
expect(unicodeResult.hasUnicodePreserved || unicodeResult.unicodeRoundTrip).toBeTrue();
});
// Run the test
tap.start();