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| 1 | +import { getRuntimeInfo } from './runtime-info'; |
| 2 | +import { detectRuntime } from './env'; |
| 3 | + |
| 4 | +// Mock the env module |
| 5 | +jest.mock('./env'); |
| 6 | +const mockDetectRuntime = detectRuntime as jest.MockedFunction< |
| 7 | + typeof detectRuntime |
| 8 | +>; |
| 9 | + |
| 10 | +describe('RuntimeInfo', () => { |
| 11 | + let originalProcess: any; |
| 12 | + let originalGlobalThis: any; |
| 13 | + let originalNavigator: any; |
| 14 | + |
| 15 | + beforeEach(() => { |
| 16 | + // Store original globals |
| 17 | + originalProcess = global.process; |
| 18 | + originalGlobalThis = globalThis; |
| 19 | + originalNavigator = global.navigator; |
| 20 | + |
| 21 | + // Reset mocks |
| 22 | + mockDetectRuntime.mockReset(); |
| 23 | + }); |
| 24 | + |
| 25 | + afterEach(() => { |
| 26 | + // Restore original globals |
| 27 | + global.process = originalProcess; |
| 28 | + Object.assign(globalThis, originalGlobalThis); |
| 29 | + global.navigator = originalNavigator; |
| 30 | + }); |
| 31 | + |
| 32 | + describe('Node.js runtime', () => { |
| 33 | + it('returns node runtime with version', () => { |
| 34 | + mockDetectRuntime.mockReturnValue('node'); |
| 35 | + global.process = { version: 'v20.5.0' } as any; |
| 36 | + |
| 37 | + const result = getRuntimeInfo(); |
| 38 | + |
| 39 | + expect(result).toEqual({ |
| 40 | + name: 'node', |
| 41 | + version: 'v20.5.0', |
| 42 | + }); |
| 43 | + }); |
| 44 | + |
| 45 | + it('handles missing process.version gracefully', () => { |
| 46 | + mockDetectRuntime.mockReturnValue('node'); |
| 47 | + global.process = {} as any; |
| 48 | + |
| 49 | + const result = getRuntimeInfo(); |
| 50 | + |
| 51 | + expect(result).toEqual({ |
| 52 | + name: 'node', |
| 53 | + version: undefined, |
| 54 | + }); |
| 55 | + }); |
| 56 | + |
| 57 | + it('handles missing process object gracefully', () => { |
| 58 | + mockDetectRuntime.mockReturnValue('node'); |
| 59 | + delete (global as any).process; |
| 60 | + |
| 61 | + const result = getRuntimeInfo(); |
| 62 | + |
| 63 | + expect(result).toEqual({ |
| 64 | + name: 'node', |
| 65 | + version: undefined, |
| 66 | + }); |
| 67 | + }); |
| 68 | + }); |
| 69 | + |
| 70 | + describe('Deno runtime', () => { |
| 71 | + it('returns deno runtime with version', () => { |
| 72 | + mockDetectRuntime.mockReturnValue('deno'); |
| 73 | + (globalThis as any).Deno = { |
| 74 | + version: { deno: '1.36.4' }, |
| 75 | + }; |
| 76 | + |
| 77 | + const result = getRuntimeInfo(); |
| 78 | + |
| 79 | + expect(result).toEqual({ |
| 80 | + name: 'deno', |
| 81 | + version: '1.36.4', |
| 82 | + }); |
| 83 | + }); |
| 84 | + |
| 85 | + it('handles missing Deno.version gracefully', () => { |
| 86 | + mockDetectRuntime.mockReturnValue('deno'); |
| 87 | + (globalThis as any).Deno = {}; |
| 88 | + |
| 89 | + const result = getRuntimeInfo(); |
| 90 | + |
| 91 | + expect(result).toEqual({ |
| 92 | + name: 'deno', |
| 93 | + version: undefined, |
| 94 | + }); |
| 95 | + }); |
| 96 | + |
| 97 | + it('handles missing Deno object gracefully', () => { |
| 98 | + mockDetectRuntime.mockReturnValue('deno'); |
| 99 | + |
| 100 | + const result = getRuntimeInfo(); |
| 101 | + |
| 102 | + expect(result).toEqual({ |
| 103 | + name: 'deno', |
| 104 | + version: undefined, |
| 105 | + }); |
| 106 | + }); |
| 107 | + }); |
| 108 | + |
| 109 | + describe('Bun runtime', () => { |
| 110 | + it('returns bun runtime with version from Bun.version', () => { |
| 111 | + mockDetectRuntime.mockReturnValue('bun'); |
| 112 | + (globalThis as any).Bun = { version: '1.0.0' }; |
| 113 | + |
| 114 | + const result = getRuntimeInfo(); |
| 115 | + |
| 116 | + expect(result).toEqual({ |
| 117 | + name: 'bun', |
| 118 | + version: '1.0.0', |
| 119 | + }); |
| 120 | + }); |
| 121 | + |
| 122 | + it('falls back to navigator.userAgent for Bun version', () => { |
| 123 | + mockDetectRuntime.mockReturnValue('bun'); |
| 124 | + // Clear any existing Bun global |
| 125 | + delete (globalThis as any).Bun; |
| 126 | + global.navigator = { |
| 127 | + userAgent: 'Bun/1.0.25', |
| 128 | + } as any; |
| 129 | + |
| 130 | + const result = getRuntimeInfo(); |
| 131 | + |
| 132 | + expect(result).toEqual({ |
| 133 | + name: 'bun', |
| 134 | + version: '1.0.25', |
| 135 | + }); |
| 136 | + }); |
| 137 | + |
| 138 | + it('handles missing version sources gracefully', () => { |
| 139 | + mockDetectRuntime.mockReturnValue('bun'); |
| 140 | + // Clear any existing Bun global and navigator |
| 141 | + delete (globalThis as any).Bun; |
| 142 | + delete (global as any).navigator; |
| 143 | + |
| 144 | + const result = getRuntimeInfo(); |
| 145 | + |
| 146 | + expect(result).toEqual({ |
| 147 | + name: 'bun', |
| 148 | + version: undefined, |
| 149 | + }); |
| 150 | + }); |
| 151 | + |
| 152 | + it('handles malformed navigator.userAgent gracefully', () => { |
| 153 | + mockDetectRuntime.mockReturnValue('bun'); |
| 154 | + // Clear any existing Bun global |
| 155 | + delete (globalThis as any).Bun; |
| 156 | + global.navigator = { |
| 157 | + userAgent: 'SomeOtherRuntime/1.0.0', |
| 158 | + } as any; |
| 159 | + |
| 160 | + const result = getRuntimeInfo(); |
| 161 | + |
| 162 | + expect(result).toEqual({ |
| 163 | + name: 'bun', |
| 164 | + version: undefined, |
| 165 | + }); |
| 166 | + }); |
| 167 | + }); |
| 168 | + |
| 169 | + describe('Edge runtimes', () => { |
| 170 | + it.each(['cloudflare', 'fastly', 'edge-light', 'other'] as const)( |
| 171 | + 'returns %s runtime without version', |
| 172 | + (runtime) => { |
| 173 | + mockDetectRuntime.mockReturnValue(runtime); |
| 174 | + |
| 175 | + const result = getRuntimeInfo(); |
| 176 | + |
| 177 | + expect(result).toEqual({ |
| 178 | + name: runtime, |
| 179 | + version: undefined, |
| 180 | + }); |
| 181 | + }, |
| 182 | + ); |
| 183 | + }); |
| 184 | + |
| 185 | + describe('Error handling', () => { |
| 186 | + it('handles exceptions during version detection gracefully', () => { |
| 187 | + mockDetectRuntime.mockReturnValue('node'); |
| 188 | + |
| 189 | + // Create a process object that throws when accessing version |
| 190 | + global.process = { |
| 191 | + get version() { |
| 192 | + throw new Error('Access denied'); |
| 193 | + }, |
| 194 | + } as any; |
| 195 | + |
| 196 | + const result = getRuntimeInfo(); |
| 197 | + |
| 198 | + expect(result).toEqual({ |
| 199 | + name: 'node', |
| 200 | + version: undefined, |
| 201 | + }); |
| 202 | + }); |
| 203 | + |
| 204 | + it('handles exceptions during Deno version detection gracefully', () => { |
| 205 | + mockDetectRuntime.mockReturnValue('deno'); |
| 206 | + |
| 207 | + // Create a Deno object that throws when accessing version |
| 208 | + (globalThis as any).Deno = { |
| 209 | + get version() { |
| 210 | + throw new Error('Access denied'); |
| 211 | + }, |
| 212 | + }; |
| 213 | + |
| 214 | + const result = getRuntimeInfo(); |
| 215 | + |
| 216 | + expect(result).toEqual({ |
| 217 | + name: 'deno', |
| 218 | + version: undefined, |
| 219 | + }); |
| 220 | + }); |
| 221 | + }); |
| 222 | + |
| 223 | + describe('Real-world scenarios', () => { |
| 224 | + it('works with actual Node.js environment', () => { |
| 225 | + // Test with real Node.js environment |
| 226 | + mockDetectRuntime.mockReturnValue('node'); |
| 227 | + |
| 228 | + const result = getRuntimeInfo(); |
| 229 | + |
| 230 | + // In test environment, this should be Node.js with real process.version |
| 231 | + expect(result.name).toBe('node'); |
| 232 | + expect(result.version).toMatch(/^v\d+\.\d+\.\d+/); |
| 233 | + }); |
| 234 | + }); |
| 235 | +}); |
| 236 | + |
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