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This adds support for virtual contexts by testing `RegExp` and `Error` via `toString` instead of an `instanceof` check.
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Original file line number | Diff line number | Diff line change |
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import { createContext, runInContext } from 'node:vm'; | ||
import { assert } from 'simple-assert'; | ||
import * as checkError from '../index.js'; | ||
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const vmContext = { checkError }; | ||
createContext(vmContext); | ||
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function runCodeInVm(code) { | ||
return runInContext(`{${ code }}`, vmContext); | ||
} | ||
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describe('node virtual machines', function () { | ||
it('compatibleMessage', function () { | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
checkError.compatibleMessage(errorInstance, /instance$/) === true; | ||
`) === true); | ||
}); | ||
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it('constructorName', function () { | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
checkError.getConstructorName(errorInstance); | ||
`) === 'Error'); | ||
assert(runCodeInVm(` | ||
const derivedInstance = new TypeError('I inherit from Error'); | ||
checkError.getConstructorName(derivedInstance); | ||
`) === 'TypeError'); | ||
}); | ||
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it('compatibleInstance', function () { | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
const sameInstance = errorInstance; | ||
checkError.compatibleInstance(errorInstance, sameInstance); | ||
`) === true); | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
const otherInstance = new Error('I am another'); | ||
checkError.compatibleInstance(errorInstance, otherInstance); | ||
`) === false); | ||
}); | ||
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it('compatibleConstructor', function () { | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
const sameInstance = errorInstance; | ||
checkError.compatibleConstructor(errorInstance, sameInstance); | ||
`) === true); | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
const otherInstance = new Error('I an another instance'); | ||
checkError.compatibleConstructor(errorInstance, otherInstance); | ||
`) === true); | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
const derivedInstance = new TypeError('I inherit from Error'); | ||
checkError.compatibleConstructor(derivedInstance, errorInstance); | ||
`) === true); | ||
assert(runCodeInVm(` | ||
const errorInstance = new Error('I am an instance'); | ||
const derivedInstance = new TypeError('I inherit from Error'); | ||
checkError.compatibleConstructor(errorInstance, derivedInstance); | ||
`) === false); | ||
}); | ||
}); |
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export default { | ||
nodeResolve: true, | ||
files: [ | ||
'test/*.js', | ||
'!test/virtual-machines.js', | ||
], | ||
plugins: [ | ||
], | ||
}; |