zulip/frontend_tests/node_tests/fold_dict.js

97 lines
2.4 KiB
JavaScript

const FoldDict = zrequire('fold_dict').FoldDict;
set_global('blueslip', global.make_zblueslip());
run_test('basic', () => {
const d = new FoldDict();
assert.equal(d.size, 0);
assert.deepEqual(Array.from(d.keys()), []);
d.set('foo', 'bar');
assert.equal(d.get('foo'), 'bar');
assert.notEqual(d.size, 0);
d.set('foo', 'baz');
assert.equal(d.get('foo'), 'baz');
assert.equal(d.size, 1);
d.set('bar', 'qux');
assert.equal(d.get('foo'), 'baz');
assert.equal(d.get('bar'), 'qux');
assert.equal(d.size, 2);
assert.equal(d.has('bar'), true);
assert.equal(d.has('baz'), false);
assert.deepEqual(Array.from(d.keys()), ['foo', 'bar']);
assert.deepEqual(Array.from(d.values()), ['baz', 'qux']);
assert.deepEqual(Array.from(d), [['foo', 'baz'], ['bar', 'qux']]);
d.delete('bar');
assert.equal(d.has('bar'), false);
assert.strictEqual(d.get('bar'), undefined);
assert.deepEqual(Array.from(d.keys()), ['foo']);
const val = ['foo'];
const res = d.set('abc', val);
assert.strictEqual(res, d);
});
run_test('case insensitivity', () => {
const d = new FoldDict();
assert.deepEqual(Array.from(d.keys()), []);
assert(!d.has('foo'));
d.set('fOO', 'Hello World');
assert.equal(d.get('foo'), 'Hello World');
assert(d.has('foo'));
assert(d.has('FOO'));
assert(!d.has('not_a_key'));
assert.deepEqual(Array.from(d.keys()), ['fOO']);
d.delete('Foo');
assert.equal(d.has('foo'), false);
assert.deepEqual(Array.from(d.keys()), []);
});
run_test('clear', () => {
const d = new FoldDict();
function populate() {
d.set('fOO', 1);
assert.equal(d.get('foo'), 1);
d.set('bAR', 2);
assert.equal(d.get('bar'), 2);
}
populate();
assert.equal(d.size, 2);
d.clear();
assert.equal(d.get('fOO'), undefined);
assert.equal(d.get('bAR'), undefined);
assert.equal(d.size, 0);
// make sure it still works after clearing
populate();
assert.equal(d.size, 2);
});
run_test('undefined_keys', () => {
blueslip.set_test_data('error', 'Tried to call a FoldDict method with an undefined key.');
const d = new FoldDict();
assert.equal(d.has(undefined), false);
assert.strictEqual(d.get(undefined), undefined);
assert.equal(blueslip.get_test_logs('error').length, 2);
blueslip.clear_test_data();
});