/
set.ts
74 lines (57 loc) · 1.8 KB
/
set.ts
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import test from 'ava';
import cloneDeep from 'lodash.clonedeep';
import { ObjectState } from '../../src';
import { sortList } from '../helpers/utils';
test('should rollback Set items', async t => {
const value = new Set([1, null, 'A', true, -3]);
const origValueStruct = cloneDeep(value);
const state = new ObjectState(value);
value.add(42);
value.delete(null);
t.notDeepEqual(value, origValueStruct);
state.rollback();
t.deepEqual(value, origValueStruct);
});
test('should rollback Set object properties', t => {
const value = new Set([NaN, Infinity]);
const origValueStruct = cloneDeep(value);
const state = new ObjectState(value);
Object.assign(value, {
'0': 0,
'1': 1,
});
t.notDeepEqual(value, origValueStruct);
state.rollback();
t.deepEqual(value, origValueStruct);
});
test('should rollback Set items order', async t => {
const value = new Set([1, 2, 3, 4, 5]);
const origValueStruct = cloneDeep(value);
const state = new ObjectState(value);
value.delete(1);
value.delete(2);
value.delete(4);
value.add(2);
value.add(4);
value.add(1);
t.deepEqual(sortList(value.values()), sortList(origValueStruct.values()));
t.notDeepEqual(value, origValueStruct);
state.rollback();
t.deepEqual(value, origValueStruct);
});
test('should rollback nested Set items', t => {
const item = new Set([1, 2, 3]);
const value = new Set([
item,
new Set([true, false]),
new Set(),
new Set([null, NaN]),
]);
const origValueStruct = cloneDeep(value);
const state = new ObjectState(value);
value.add(new Set(['a', 'b', 'c']));
item.delete(2);
t.notDeepEqual(value, origValueStruct);
state.rollback();
t.deepEqual(value, origValueStruct);
});