setup mock tests on problematic code segments

Author: zuedev

source/commands/ping/command.test.js

@@ -0,0 +1,19 @@
+import { createPingCommand } from './command.js';
+
+describe('ping command', () => {
+  test('should return a command builder instance', () => {
+    const result = createPingCommand();
+    expect(result).toBeDefined();
+    expect(typeof result).toBe('object');
+  });
+
+  test('should create a command with ping name', () => {
+    const result = createPingCommand();
+    expect(result.name).toBe('ping');
+  });
+
+  test('should create a command with correct description', () => {
+    const result = createPingCommand();
+    expect(result.description).toBe('Replies with pong!');
+  });
+});

source/config/constants.test.js

@@ -0,0 +1,135 @@
+import {
+  CONFIG,
+  DICE_TYPES,
+  CURRENCY_TYPES,
+  CURRENCY_ABBREVIATIONS,
+  CURRENCY_TO_GOLD_CONVERSION,
+  DEFAULT_CONVERSION_FEE,
+  ERROR_MESSAGES
+} from './constants.js';
+
+describe('constants', () => {
+  describe('CONFIG', () => {
+    test('should have expected numeric values', () => {
+      expect(CONFIG.MAX_DICE_QUANTITY).toBe(100);
+      expect(CONFIG.MAX_DICE_SIDES).toBe(100);
+      expect(CONFIG.MAX_ITEM_NAME_LENGTH).toBe(100);
+      expect(CONFIG.MIN_SEARCH_TERM_LENGTH).toBe(2);
+      expect(CONFIG.SIMILARITY_THRESHOLD).toBe(0.5);
+      expect(CONFIG.DISCORD_MESSAGE_LIMIT).toBe(2000);
+      expect(CONFIG.TRACKER_MESSAGE_LIMIT).toBe(1900);
+      expect(CONFIG.CHUNK_SIZE_CALCULATION_THRESHOLD).toBe(100000);
+    });
+
+    test('should have collection names object', () => {
+      expect(CONFIG.COLLECTION_NAMES).toEqual({
+        TRACKERS: "trackers",
+        TRACKER_AUDIT_LOG: "tracker_audit_log",
+        BANK: "bank",
+        BANK_AUDIT_LOG: "bank_audit_log",
+        BANK_SETTINGS: "bank_settings",
+      });
+    });
+  });
+
+  describe('DICE_TYPES', () => {
+    test('should contain expected dice types', () => {
+      expect(DICE_TYPES).toEqual([4, 6, 8, 10, 12, 20, 100]);
+    });
+
+    test('should be an array of numbers', () => {
+      DICE_TYPES.forEach(type => {
+        expect(typeof type).toBe('number');
+      });
+    });
+  });
+
+  describe('CURRENCY_TYPES', () => {
+    test('should contain expected currency types', () => {
+      expect(CURRENCY_TYPES).toEqual(["platinum", "gold", "silver", "electrum", "copper"]);
+    });
+
+    test('should be an array of strings', () => {
+      CURRENCY_TYPES.forEach(type => {
+        expect(typeof type).toBe('string');
+      });
+    });
+  });
+
+  describe('CURRENCY_ABBREVIATIONS', () => {
+    test('should have abbreviations for all currency types', () => {
+      CURRENCY_TYPES.forEach(currency => {
+        expect(CURRENCY_ABBREVIATIONS[currency]).toBeDefined();
+        expect(typeof CURRENCY_ABBREVIATIONS[currency]).toBe('string');
+      });
+    });
+
+    test('should have expected abbreviations', () => {
+      expect(CURRENCY_ABBREVIATIONS.platinum).toBe('pp');
+      expect(CURRENCY_ABBREVIATIONS.gold).toBe('gp');
+      expect(CURRENCY_ABBREVIATIONS.silver).toBe('sp');
+      expect(CURRENCY_ABBREVIATIONS.electrum).toBe('ep');
+      expect(CURRENCY_ABBREVIATIONS.copper).toBe('cp');
+    });
+  });
+
+  describe('CURRENCY_TO_GOLD_CONVERSION', () => {
+    test('should have conversion rates for all currency types', () => {
+      CURRENCY_TYPES.forEach(currency => {
+        expect(CURRENCY_TO_GOLD_CONVERSION[currency]).toBeDefined();
+        expect(typeof CURRENCY_TO_GOLD_CONVERSION[currency]).toBe('number');
+      });
+    });
+
+    test('should have expected conversion rates', () => {
+      expect(CURRENCY_TO_GOLD_CONVERSION.platinum).toBe(10);
+      expect(CURRENCY_TO_GOLD_CONVERSION.gold).toBe(1);
+      expect(CURRENCY_TO_GOLD_CONVERSION.electrum).toBe(0.5);
+      expect(CURRENCY_TO_GOLD_CONVERSION.silver).toBe(0.1);
+      expect(CURRENCY_TO_GOLD_CONVERSION.copper).toBe(0.01);
+    });
+  });
+
+  describe('DEFAULT_CONVERSION_FEE', () => {
+    test('should be a number', () => {
+      expect(typeof DEFAULT_CONVERSION_FEE).toBe('number');
+    });
+
+    test('should be 10% (0.1)', () => {
+      expect(DEFAULT_CONVERSION_FEE).toBe(0.1);
+    });
+  });
+
+  describe('ERROR_MESSAGES', () => {
+    test('should have all expected error message keys', () => {
+      const expectedKeys = [
+        'INVALID_QUANTITY',
+        'ITEM_NAME_TOO_LONG',
+        'ITEM_NOT_FOUND',
+        'TRACKER_EMPTY',
+        'SEARCH_TERM_TOO_SHORT',
+        'NO_PERMISSION',
+        'MAX_DICE_EXCEEDED',
+        'MAX_SIDES_EXCEEDED',
+        'INVALID_CURRENCY',
+        'BANK_EMPTY',
+        'INVALID_FEE_RATE',
+        'SAME_CURRENCY_CONVERSION',
+        'INSUFFICIENT_CONVERSION_BALANCE',
+        'GENERIC_ERROR',
+        'DATABASE_ERROR'
+      ];
+
+      expectedKeys.forEach(key => {
+        expect(ERROR_MESSAGES[key]).toBeDefined();
+        expect(typeof ERROR_MESSAGES[key]).toBe('string');
+      });
+    });
+
+    test('should have non-empty error messages', () => {
+      Object.values(ERROR_MESSAGES).forEach(message => {
+        expect(message.length).toBeGreaterThan(0);
+      });
+    });
+  });
+});

source/utils/formatting.test.js

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+import {
+  formatUptime,
+  formatBytes,
+  formatDecimalCurrency
+} from './formatting.js';
+
+describe('formatting utilities', () => {
+  describe('formatUptime', () => {
+    test('should format seconds only', () => {
+      expect(formatUptime(30)).toBe('30s');
+      expect(formatUptime(0)).toBe('0s');
+    });
+
+    test('should format minutes and seconds', () => {
+      expect(formatUptime(90)).toBe('1m 30s');
+      expect(formatUptime(120)).toBe('2m');
+    });
+
+    test('should format hours, minutes and seconds', () => {
+      expect(formatUptime(3665)).toBe('1h 1m 5s');
+      expect(formatUptime(3600)).toBe('1h');
+    });
+
+    test('should format days, hours, minutes and seconds', () => {
+      expect(formatUptime(90061)).toBe('1d 1h 1m 1s');
+      expect(formatUptime(86400)).toBe('1d');
+    });
+
+    test('should handle complex combinations', () => {
+      expect(formatUptime(93784)).toBe('1d 2h 3m 4s');
+      expect(formatUptime(259200)).toBe('3d');
+    });
+
+    test('should floor decimal seconds', () => {
+      expect(formatUptime(30.9)).toBe('30s');
+    });
+  });
+
+  describe('formatBytes', () => {
+    test('should format bytes', () => {
+      expect(formatBytes(0)).toBe('0 B');
+      expect(formatBytes(512)).toBe('512.00 B');
+      expect(formatBytes(1023)).toBe('1023.00 B');
+    });
+
+    test('should format kilobytes', () => {
+      expect(formatBytes(1024)).toBe('1.00 KB');
+      expect(formatBytes(1536)).toBe('1.50 KB');
+    });
+
+    test('should format megabytes', () => {
+      expect(formatBytes(1048576)).toBe('1.00 MB');
+      expect(formatBytes(1572864)).toBe('1.50 MB');
+    });
+
+    test('should format gigabytes', () => {
+      expect(formatBytes(1073741824)).toBe('1.00 GB');
+      expect(formatBytes(1610612736)).toBe('1.50 GB');
+    });
+
+    test('should format terabytes', () => {
+      expect(formatBytes(1099511627776)).toBe('1.00 TB');
+    });
+  });
+
+  describe('formatDecimalCurrency', () => {
+    test('should format with default prefix and suffix', () => {
+      expect(formatDecimalCurrency(100.5)).toBe('$100.50');
+      expect(formatDecimalCurrency(0)).toBe('$0.00');
+    });
+
+    test('should format with custom prefix', () => {
+      expect(formatDecimalCurrency(100.5, '€')).toBe('€100.50');
+      expect(formatDecimalCurrency(100.5, '')).toBe('100.50');
+    });
+
+    test('should format with custom suffix', () => {
+      expect(formatDecimalCurrency(100.5, '$', 'USD')).toBe('$100.50 USD');
+    });
+
+    test('should handle prefix spacing', () => {
+      expect(formatDecimalCurrency(100.5, '$', '', true)).toBe('$ 100.50');
+    });
+
+    test('should handle suffix spacing', () => {
+      expect(formatDecimalCurrency(100.5, '$', 'USD', false, false)).toBe('$100.50USD');
+    });
+
+    test('should format with both prefix and suffix spacing', () => {
+      expect(formatDecimalCurrency(100.5, '€', 'EUR', true, false)).toBe('€ 100.50EUR');
+    });
+
+    test('should round to 2 decimal places', () => {
+      expect(formatDecimalCurrency(100.555)).toBe('$100.56');
+      expect(formatDecimalCurrency(100.554)).toBe('$100.55');
+    });
+  });
+});

source/utils/similarity.test.js

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+import { calculateSimilarity } from './similarity.js';
+
+describe('similarity utilities', () => {
+  describe('calculateSimilarity', () => {
+    test('should return 1 for identical strings', () => {
+      expect(calculateSimilarity('hello', 'hello')).toBe(1);
+      expect(calculateSimilarity('', '')).toBe(1);
+    });
+
+    test('should return 0 for completely different strings', () => {
+      expect(calculateSimilarity('abc', 'xyz')).toBe(0);
+    });
+
+    test('should return 0 when one string is empty', () => {
+      expect(calculateSimilarity('', 'hello')).toBe(0);
+      expect(calculateSimilarity('hello', '')).toBe(0);
+    });
+
+    test('should be case insensitive', () => {
+      expect(calculateSimilarity('Hello', 'hello')).toBe(1);
+      expect(calculateSimilarity('WORLD', 'world')).toBe(1);
+    });
+
+    test('should handle single character differences', () => {
+      expect(calculateSimilarity('cat', 'bat')).toBeCloseTo(2/3, 10);
+      expect(calculateSimilarity('test', 'best')).toBe(0.75);
+    });
+
+    test('should handle insertions', () => {
+      expect(calculateSimilarity('cat', 'cats')).toBe(0.75);
+    });
+
+    test('should handle deletions', () => {
+      expect(calculateSimilarity('cats', 'cat')).toBe(0.75);
+    });
+
+    test('should handle substitutions', () => {
+      expect(calculateSimilarity('kitten', 'sitting')).toBeCloseTo(0.571, 2);
+    });
+
+    test('should convert non-string inputs to strings', () => {
+      expect(calculateSimilarity(123, '123')).toBe(1);
+      expect(calculateSimilarity(123, 124)).toBeCloseTo(2/3, 2);
+    });
+
+    test('should handle longer strings with optimized algorithm', () => {
+      const longStr1 = 'a'.repeat(150);
+      const longStr2 = 'a'.repeat(149) + 'b';
+
+      expect(calculateSimilarity(longStr1, longStr2)).toBeCloseTo(149/150, 2);
+    });
+
+    test('should handle medium length strings', () => {
+      const str1 = 'this is a test string for similarity';
+      const str2 = 'this is a test string for similarity testing';
+
+      expect(calculateSimilarity(str1, str2)).toBeCloseTo(36/44, 2);
+    });
+
+    test('should handle completely different long strings', () => {
+      const str1 = 'a'.repeat(150);
+      const str2 = 'b'.repeat(150);
+
+      expect(calculateSimilarity(str1, str2)).toBe(0);
+    });
+  });
+});