init

utils/base32.test.js

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+// Base32 Test Suite
+const base32 = require('./base32.js');
+
+// Test cases
+const tests = [
+  // 1. Basic encoding/decoding
+  {
+    name: '基础编码/解码测试',
+    input: 'Hello, World!',
+    expected: 'JBSWY3DPFQQFO33SNRSCC==='
+  },
+  // 2. Empty string
+  {
+    name: '空字符串测试',
+    input: '',
+    expected: ''
+  },
+  // 3. Unicode characters
+  {
+    name: 'Unicode字符测试',
+    input: '你好，世界！',
+    expected: '4S4K3DZNEOZTG5TF'
+  },
+  // 4. Special characters
+  {
+    name: '特殊字符测试',
+    input: '!@#$%^&*()',
+    expected: 'IVLF4UKEJRGUU==='
+  },
+  // 5. Long string
+  {
+    name: '长字符串测试',
+    input: 'A'.repeat(100),
+    expected: 'IFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQKBIFAUCQ======'
+  }
+];
+
+// Custom alphabet test
+const customAlphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUV';
+
+// Run tests
+console.log('=== Base32 Test Suite ===\n');
+
+// 1. Standard Tests
+console.log('1. Standard Tests:');
+tests.forEach(test => {
+  try {
+    const encoded = base32.encode(test.input);
+    const decoded = new TextDecoder().decode(base32.decode(encoded));
+    const passed = encoded === test.expected && decoded === test.input;
+    
+    console.log(`${test.name}:`);
+    console.log(`  Input: ${test.input}`);
+    console.log(`  Encoded: ${encoded}`);
+    console.log(`  Decoded: ${decoded}`);
+    console.log(`  Result: ${passed ? '✓ 通过' : '✗ 失败'}\n`);
+  } catch (e) {
+    console.log(`  Error: ${e.message}\n`);
+  }
+});
+
+// 2. Custom Alphabet Tests
+console.log('2. Custom Alphabet Tests:');
+try {
+  base32.setCustomAlphabet(customAlphabet);
+  const input = 'Hello';
+  const encoded = base32.encode(input);
+  const decoded = new TextDecoder().decode(base32.decode(encoded));
+  console.log(`Custom alphabet encoding:`);
+  console.log(`  Input: ${input}`);
+  console.log(`  Encoded: ${encoded}`);
+  console.log(`  Decoded: ${decoded}`);
+  console.log(`  Result: ${decoded === input ? '✓ 通过' : '✗ 失败'}\n`);
+} catch (e) {
+  console.log(`  Error: ${e.message}\n`);
+}
+
+// 3. Error Handling Tests
+console.log('3. Error Handling Tests:');
+
+// Invalid input type
+try {
+  base32.encode(null);
+  console.log('Invalid input type test: ✗ 失败 (应该抛出错误)');
+} catch (e) {
+  console.log(`Invalid input type test: ✓ 通过 (${e.type})`);
+}
+
+// Invalid Base32 string
+try {
+  base32.decode('!@#$');
+  console.log('Invalid Base32 string test: ✗ 失败 (应该抛出错误)');
+} catch (e) {
+  console.log(`Invalid Base32 string test: ✓ 通过 (${e.type})`);
+}
+
+// Invalid padding
+try {
+  base32.decode('JBSWY3DP=', { strict: true });
+  console.log('Invalid padding test: ✗ 失败 (应该抛出错误)');
+} catch (e) {
+  console.log(`Invalid padding test: ✓ 通过 (${e.type})`);
+}
+
+// 4. Utility Function Tests
+console.log('\n4. Utility Function Tests:');
+
+// isValid
+console.log('isValid tests:');
+[
+  'JBSWY3DP',
+  'JBSWY3DP======',
+  'invalid!',
+  ''
+].forEach(input => {
+  console.log(`  "${input}": ${base32.isValid(input)}`);
+});
+
+// normalize
+console.log('\nnormalize tests:');
+[
+  'jbswy3dp',
+  'JBSWY3DP',
+  'JBSWY3DP======'
+].forEach(input => {
+  try {
+    console.log(`  "${input}" -> "${base32.normalize(input)}"`);
+  } catch (e) {
+    console.log(`  "${input}" Error: ${e.message}`);
+  }
+});
+
+// encodedLength
+console.log('\nencodedLength tests:');
+[5, 10, 15].forEach(len => {
+  console.log(`  Input length ${len}:`);
+  console.log(`    With padding: ${base32.encodedLength(len)}`);
+  console.log(`    Without padding: ${base32.encodedLength(len, { noPadding: true })}`);
+});