yomichan/test/test-cache-map.js

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/*
* Copyright (C) 2020 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
const assert = require('assert');
const {VM} = require('./yomichan-vm');
const vm = new VM({console});
vm.execute([
'mixed/js/cache-map.js'
]);
const CacheMap = vm.get('CacheMap');
function testConstructor() {
const data = [
[false, () => new CacheMap(0, () => null)],
[false, () => new CacheMap(1, () => null)],
[false, () => new CacheMap(Number.MAX_VALUE, () => null)],
[true, () => new CacheMap(-1, () => null)],
[true, () => new CacheMap(1.5, () => null)],
[true, () => new CacheMap(Number.NaN, () => null)],
[true, () => new CacheMap(Number.POSITIVE_INFINITY, () => null)],
[true, () => new CacheMap('a', () => null)]
];
for (const [throws, create] of data) {
if (throws) {
assert.throws(create);
} else {
assert.doesNotThrow(create);
}
}
}
function testApi() {
const data = [
{
maxCount: 1,
expectedCount: 0,
calls: []
},
{
maxCount: 1,
expectedCount: 1,
calls: [
['get', 'a', 'b', 'c']
]
},
{
maxCount: 10,
expectedCount: 1,
calls: [
['get', 'a', 'b', 'c'],
['get', 'a', 'b', 'c'],
['get', 'a', 'b', 'c']
]
},
{
maxCount: 10,
expectedCount: 3,
calls: [
['get', 'a1', 'b', 'c'],
['get', 'a2', 'b', 'c'],
['get', 'a3', 'b', 'c']
]
},
{
maxCount: 10,
expectedCount: 3,
calls: [
['get', 'a', 'b1', 'c'],
['get', 'a', 'b2', 'c'],
['get', 'a', 'b3', 'c']
]
},
{
maxCount: 10,
expectedCount: 3,
calls: [
['get', 'a', 'b', 'c1'],
['get', 'a', 'b', 'c2'],
['get', 'a', 'b', 'c3']
]
},
{
maxCount: 1,
expectedCount: 1,
calls: [
['get', 'a1', 'b', 'c'],
['get', 'a2', 'b', 'c'],
['get', 'a3', 'b', 'c']
]
},
{
maxCount: 1,
expectedCount: 1,
calls: [
['get', 'a', 'b1', 'c'],
['get', 'a', 'b2', 'c'],
['get', 'a', 'b3', 'c']
]
},
{
maxCount: 1,
expectedCount: 1,
calls: [
['get', 'a', 'b', 'c1'],
['get', 'a', 'b', 'c2'],
['get', 'a', 'b', 'c3']
]
},
{
maxCount: 10,
expectedCount: 0,
calls: [
['get', 'a', 'b', 'c1'],
['get', 'a', 'b', 'c2'],
['get', 'a', 'b', 'c3'],
['clear']
]
},
{
maxCount: 0,
expectedCount: 0,
calls: [
['get', 'a1', 'b', 'c'],
['get', 'a', 'b2', 'c'],
['get', 'a', 'b', 'c3']
]
}
];
const create = (...args) => args.join(',');
for (const {maxCount, expectedCount, calls} of data) {
const cache = new CacheMap(maxCount, create);
assert.strictEqual(cache.maxCount, maxCount);
for (const [name, ...args] of calls) {
switch (name) {
case 'get': cache.get(...args); break;
case 'clear': cache.clear(); break;
}
}
assert.strictEqual(cache.count, expectedCount);
}
}
function main() {
testConstructor();
testApi();
}
if (require.main === module) { main(); }