19 lines
426 B
JavaScript
19 lines
426 B
JavaScript
const expect = require('expect');
|
|
const findKey = require('./findKey.js');
|
|
|
|
test('findKey is a Function', () => {
|
|
expect(findKey).toBeInstanceOf(Function);
|
|
});
|
|
test('Returns the appropriate key', () => {
|
|
expect(
|
|
findKey(
|
|
{
|
|
barney: { age: 36, active: true },
|
|
fred: { age: 40, active: false },
|
|
pebbles: { age: 1, active: true }
|
|
},
|
|
o => o['active']
|
|
)
|
|
).toBe('barney');
|
|
});
|