snoop
snoop copied to clipboard
Easy breezy test spies fo sheezy.
snoop 🎵
Easy breezy test spies fo sheezy.
Install
npm install --save-dev snoop
Usage
Snoop collaborates with everyone.
With uvu
import { snoop } from 'snoop';
import { test } from 'uvu';
import * as assert from 'uvu/assert';
const add = (a, b) => a + b;
test('add', () => {
const addFn = snoop(add);
const anotherAddFn = snoop(add);
addFn.fn(1, 1);
anotherAddFn.fn(1, 1);
addFn.fn(2, 2);
anotherAddFn.fn(2, 2);
assert.ok(addFn.called);
assert.not(addFn.notCalled);
assert.not(addFn.calledOnce);
assert.is(addFn.callCount, 2);
assert.equal(addFn.calls[0].arguments, [1, 1]);
assert.equal(addFn.calls[1].arguments, [2, 2]);
assert.is(addFn.calls[0].result, 2);
assert.is(addFn.calls[1].result, 4);
assert.not(addFn.firstCall.error);
assert.not(addFn.lastCall.error);
assert.ok(addFn.calledBefore(anotherAddFn));
assert.ok(addFn.calledAfter(anotherAddFn));
assert.ok(addFn.calledImmediatelyBefore(anotherAddFn));
assert.not(addFn.calledImmediatelyAfter(anotherAddFn));
});
test.run();