34 lines
803 B
JavaScript
34 lines
803 B
JavaScript
const {hasKey} = require('./_30s.js');
|
|
|
|
const data = {
|
|
a: 1, b: { c: 4 }, 'd.e': 5
|
|
};
|
|
|
|
test('hasKey is a Function', () => {
|
|
expect(hasKey).toBeInstanceOf(Function);
|
|
});
|
|
|
|
test('hasKey returns true for simple property', () => {
|
|
expect(hasKey(data, 'a')).toBe(true);
|
|
});
|
|
|
|
test('hasKey returns true for object property', () => {
|
|
expect(hasKey(data, 'b')).toBe(true);
|
|
});
|
|
|
|
test('hasKey returns true for nested property', () => {
|
|
expect(hasKey(data, 'b.c')).toBe(true);
|
|
});
|
|
|
|
test('hasKey returns true for property with dots', () => {
|
|
expect(hasKey(data, 'd.e')).toBe(true);
|
|
});
|
|
|
|
test('hasKey returns false for non-existent property', () => {
|
|
expect(hasKey(data, 'f')).toBe(true);
|
|
});
|
|
|
|
test('hasKey returns false for virtual nested property', () => {
|
|
expect(hasKey(data, 'd')).toBe(false);
|
|
});
|