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test: add comprehensive unit tests for flexible instance configuration
- Add handlers-n8n-manager-simple.test.ts for LRU cache and context validation - Add instance-context-coverage.test.ts for edge cases in validation - Add lru-cache-behavior.test.ts for specialized cache testing - Add flexible-instance-security-advanced.test.ts for security testing - Improves coverage for instance configuration feature - Tests error handling, cache eviction, security, and edge cases
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czlonkowski
360
tests/unit/types/instance-context-coverage.test.ts
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360
tests/unit/types/instance-context-coverage.test.ts
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/**
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* Comprehensive unit tests for instance-context.ts coverage gaps
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*
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* This test file targets the missing 9 lines (14.29%) to achieve >95% coverage
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*/
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import { describe, it, expect } from 'vitest';
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import {
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InstanceContext,
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isInstanceContext,
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validateInstanceContext
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} from '../../../src/types/instance-context';
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describe('instance-context Coverage Tests', () => {
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describe('validateInstanceContext Edge Cases', () => {
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it('should handle empty string URL validation', () => {
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const context: InstanceContext = {
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n8nApiUrl: '', // Empty string should be invalid
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n8nApiKey: 'valid-key'
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(false);
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expect(result.errors).toContain('Invalid n8nApiUrl format');
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});
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it('should handle empty string API key validation', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: '' // Empty string should be invalid
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(false);
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expect(result.errors).toContain('Invalid n8nApiKey format');
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});
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it('should handle Infinity values for timeout', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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n8nApiTimeout: Infinity // Should be invalid
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(false);
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expect(result.errors).toContain('n8nApiTimeout must be a positive number');
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});
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it('should handle -Infinity values for timeout', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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n8nApiTimeout: -Infinity // Should be invalid
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(false);
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expect(result.errors).toContain('n8nApiTimeout must be a positive number');
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});
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it('should handle Infinity values for retries', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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n8nApiMaxRetries: Infinity // Should be invalid
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(false);
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expect(result.errors).toContain('n8nApiMaxRetries must be a non-negative number');
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});
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it('should handle -Infinity values for retries', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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n8nApiMaxRetries: -Infinity // Should be invalid
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(false);
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expect(result.errors).toContain('n8nApiMaxRetries must be a non-negative number');
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});
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it('should handle multiple validation errors at once', () => {
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const context: InstanceContext = {
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n8nApiUrl: '', // Invalid
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n8nApiKey: '', // Invalid
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n8nApiTimeout: 0, // Invalid (not positive)
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n8nApiMaxRetries: -1 // Invalid (negative)
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(false);
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expect(result.errors).toHaveLength(4);
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expect(result.errors).toContain('Invalid n8nApiUrl format');
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expect(result.errors).toContain('Invalid n8nApiKey format');
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expect(result.errors).toContain('n8nApiTimeout must be a positive number');
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expect(result.errors).toContain('n8nApiMaxRetries must be a non-negative number');
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});
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it('should return no errors property when validation passes', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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n8nApiTimeout: 30000,
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n8nApiMaxRetries: 3
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(true);
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expect(result.errors).toBeUndefined(); // Should be undefined, not empty array
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});
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it('should handle context with only optional fields undefined', () => {
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const context: InstanceContext = {
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// All optional fields undefined
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};
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const result = validateInstanceContext(context);
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expect(result.valid).toBe(true);
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expect(result.errors).toBeUndefined();
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});
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});
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describe('isInstanceContext Edge Cases', () => {
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it('should handle null metadata', () => {
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const context = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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metadata: null // null is not allowed
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};
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const result = isInstanceContext(context);
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expect(result).toBe(false);
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});
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it('should handle valid metadata object', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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metadata: {
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userId: 'user123',
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nested: {
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data: 'value'
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}
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}
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};
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const result = isInstanceContext(context);
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expect(result).toBe(true);
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});
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it('should handle edge case URL validation in type guard', () => {
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const context = {
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n8nApiUrl: 'ftp://invalid-protocol.com', // Invalid protocol
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n8nApiKey: 'valid-key'
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};
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const result = isInstanceContext(context);
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expect(result).toBe(false);
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});
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it('should handle edge case API key validation in type guard', () => {
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const context = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'placeholder' // Invalid placeholder key
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};
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const result = isInstanceContext(context);
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expect(result).toBe(false);
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});
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it('should handle zero timeout in type guard', () => {
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const context = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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n8nApiTimeout: 0 // Invalid (not positive)
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};
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const result = isInstanceContext(context);
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expect(result).toBe(false);
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});
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it('should handle negative retries in type guard', () => {
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const context = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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n8nApiMaxRetries: -1 // Invalid (negative)
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};
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const result = isInstanceContext(context);
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expect(result).toBe(false);
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});
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it('should handle all invalid properties at once', () => {
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const context = {
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n8nApiUrl: 123, // Wrong type
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n8nApiKey: false, // Wrong type
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n8nApiTimeout: 'invalid', // Wrong type
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n8nApiMaxRetries: 'invalid', // Wrong type
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instanceId: 123, // Wrong type
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sessionId: [], // Wrong type
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metadata: 'invalid' // Wrong type
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};
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const result = isInstanceContext(context);
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expect(result).toBe(false);
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});
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});
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describe('URL Validation Function Edge Cases', () => {
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it('should handle URL constructor exceptions', () => {
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// Test the internal isValidUrl function through public API
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const context = {
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n8nApiUrl: 'http://[invalid-ipv6]', // Malformed URL that throws
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n8nApiKey: 'valid-key'
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};
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// Should not throw even with malformed URL
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expect(() => isInstanceContext(context)).not.toThrow();
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expect(isInstanceContext(context)).toBe(false);
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});
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it('should accept only http and https protocols', () => {
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const invalidProtocols = [
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'file://local/path',
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'ftp://ftp.example.com',
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'ssh://server.com',
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'data:text/plain,hello',
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'javascript:alert(1)',
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'vbscript:msgbox(1)',
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'ldap://server.com'
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];
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invalidProtocols.forEach(url => {
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const context = {
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n8nApiUrl: url,
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n8nApiKey: 'valid-key'
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};
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expect(isInstanceContext(context)).toBe(false);
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});
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});
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});
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describe('API Key Validation Function Edge Cases', () => {
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it('should reject case-insensitive placeholder values', () => {
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const placeholderKeys = [
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'YOUR_API_KEY',
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'your_api_key',
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'Your_Api_Key',
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'PLACEHOLDER',
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'placeholder',
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'PlaceHolder',
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'EXAMPLE',
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'example',
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'Example',
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'your_api_key_here',
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'example-key-here',
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'placeholder-token-here'
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];
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placeholderKeys.forEach(key => {
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const context = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: key
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};
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expect(isInstanceContext(context)).toBe(false);
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const validation = validateInstanceContext(context);
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expect(validation.valid).toBe(false);
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expect(validation.errors).toContain('Invalid n8nApiKey format');
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});
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});
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it('should accept valid API keys with mixed case', () => {
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const validKeys = [
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'ValidApiKey123',
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'VALID_API_KEY_456',
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'sk_live_AbCdEf123456',
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'token_Mixed_Case_789',
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'api-key-with-CAPS-and-numbers-123'
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];
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validKeys.forEach(key => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: key
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};
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expect(isInstanceContext(context)).toBe(true);
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const validation = validateInstanceContext(context);
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expect(validation.valid).toBe(true);
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});
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});
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});
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describe('Complex Object Structure Tests', () => {
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it('should handle deeply nested metadata', () => {
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const context: InstanceContext = {
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n8nApiUrl: 'https://api.n8n.cloud',
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n8nApiKey: 'valid-key',
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metadata: {
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level1: {
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level2: {
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level3: {
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data: 'deep value'
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}
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}
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},
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array: [1, 2, 3],
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nullValue: null,
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undefinedValue: undefined
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}
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};
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expect(isInstanceContext(context)).toBe(true);
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const validation = validateInstanceContext(context);
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expect(validation.valid).toBe(true);
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});
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it('should handle context with all optional properties as undefined', () => {
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const context: InstanceContext = {
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n8nApiUrl: undefined,
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n8nApiKey: undefined,
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n8nApiTimeout: undefined,
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n8nApiMaxRetries: undefined,
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instanceId: undefined,
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sessionId: undefined,
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metadata: undefined
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};
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expect(isInstanceContext(context)).toBe(true);
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const validation = validateInstanceContext(context);
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expect(validation.valid).toBe(true);
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});
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});
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});
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