How do I mock or stub process.argv value so it can return a specific argument?
I tried using sandbox like this:
beforeEach(() => {
sandbox.stub(process.argv.slice(2)[0], 'C:\\home\\project\\assignment').value('--local')
});
test("it replace value of node argument", () => {
assert(process.argv.slice(2)[0], '--local')
});
afterEach(() =>{
sandbox.restore()
})
But I keep getting an error that says trying to stub property *'C:\home\project\assignment' * of undefined
You can modify the process.argv by programming. see Modify node process environment or arguments runtime
const assert = require('assert');
describe('71476237', () => {
let originalArgv;
beforeEach(() => {
originalArgv = process.argv;
});
afterEach(() => {
process.argv = originalArgv;
});
it('it replace value of node argument', () => {
process.argv = process.argv.concat(['node', 'C:\\home\\project\\assignment', '--local']);
assert(process.argv.slice(2)[0], '--local');
});
});
Test result:
71476237
✓ it replace value of node argument
1 passing (3ms)