Files
discord-aidolls/tests/getEnvVar.test.ts
Jonathan Smoley 9f77c5287f Initialize unit testing and code coverage
* add: vitest configs

* added vitest scripts to package

* test coverage of src code

* initial unit testing

* added new testing workflows

* comments added, overlapping tests removed

* decouple env, tests

---------

Co-authored-by: Kevin Dang <kevinthedang_1@outlook.com>
2024-06-05 08:50:56 -07:00

51 lines
1.4 KiB
TypeScript

import { describe, expect, it } from 'vitest'
import { getEnvVar } from '../src/utils'
/**
* getEnvVar test suite, tests the getEnvVar function
*
* @param name name of the test suite
* @param fn function holding tests to run
*/
describe('#getEnvVar', () => {
// dummy set of keys
const keys = {
clientToken: 'CLIENT_TOKEN',
}
// set keys in environment
process.env['clientToken'] = keys.clientToken
// test for non-empty string
it('returns a non-empty string', () => {
expect(getEnvVar('CLIENT_TOKEN')).not.toBe('')
})
// test for string type
it('returns a string', () => {
expect(typeof getEnvVar('CLIENT_TOKEN')).toBe('string')
})
// test for distinct key
it('returns a distinct key', () => {
expect(getEnvVar('CLIENT_TOKEN')).toEqual(process.env[keys.clientToken])
})
// test for fallback case
it('returns a fallback', () => {
expect(getEnvVar('NON_EXISTENT_KEY', 'fallback')).toBe('fallback')
})
// test that all keys are consistently found
it('returns all keys found', () => {
for (const key in keys) {
expect(getEnvVar(key)).toEqual(keys[key])
}
})
// test that an error is thrown if key is not found
it('throws an error if key is not found', () => {
expect(() => getEnvVar('NON_EXISTENT_KEY')).toThrowError()
})
})