{assert} = require 'chai' {Queue} = require '../lib/queue.coffee' {CSObject} = require '../lib/object.coffee' {BaseCache, LRUCache} = require '../lib/cache.coffee' {NodeQueue} = require '../lib/cache/node_queue.coffee' describe 'Cache', -> describe 'BaseCache', -> describe 'and Map', -> if typeof Map isnt 'function' return BC = undefined before -> class BC2 extends BaseCache length: 0 constructor: (size) -> super(size) BC = BC2 describe 'structure', -> it 'class', -> assert.ok BaseCache assert.isFunction BaseCache assert.lengthOf BaseCache, 1, 'max size' assert.isTrue BaseCache.isAbstract it 'proto', -> assert.isFunction BaseCache::destructor assert.lengthOf BaseCache::destructor, 0 assert.isNumber BaseCache::length assert.equal BaseCache::length, -1 assert.isFunction BaseCache::set assert.lengthOf BaseCache::set, 2 assert.isFunction BaseCache::get assert.lengthOf BaseCache::get, 1 assert.isFunction BaseCache::clear assert.lengthOf BaseCache::clear, 0 describe 'behavior', -> describe 'errors', -> it 'new', -> fn = -> new BaseCache() assert.throws fn, TypeError, '`BaseCache` is abstract' fn = -> new BC(false) assert.throws fn, TypeError, '`size` should be a number' fn = -> new BC(-2) assert.throws fn, RangeError, '`size` less than 1' fn = -> new BC(0) assert.throws fn, RangeError, '`size` less than 1' it 'get', -> fn = -> bc = new BC() bc.get() assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new BC() bc.get(1, 2) assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new BC() bc.get({}) assert.throws fn, TypeError, '`key` must be a string or number' fn = -> bc = new BC() bc.get(false) assert.throws fn, TypeError, '`key` must be a string or number' it 'set', -> fn = -> bc = new BC() bc.set() assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new BC() bc.set(1) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new BC() bc.set(1, 2, 3) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new BC() bc.set({}, '') assert.throws fn, Error, '`key` must be a string or number' fn = -> bc = new BC() bc.set(false, '') assert.throws fn, Error, '`key` must be a string or number' it 'clear', -> fn = -> bc = new BC() bc.clear(1) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new BC() bc.clear(yes) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new BC() bc.clear(null) assert.throws fn, Error, '`clear` have not arguments' describe 'correct', -> it 'new', -> bc = new BC(10) assert.instanceOf bc, BC assert.instanceOf bc, BaseCache assert.instanceOf bc, CSObject assert.equal bc.maxSize, 10 assert.lengthOf bc, 0 if typeof Map is 'function' assert.instanceOf bc._data, Map else assert.isObject bc._data assert.instanceOf bc._control, Queue it 'set', -> bc = new BC(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '/', 123 assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.lengthOf bc, 2 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.lengthOf bc, 10 it 'get', -> bc = new BC(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '/', 123 assert.equal 123, bc.get '/' assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.equal 456, bc.get 123 assert.lengthOf bc, 2 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.isUndefined bc.get '/' assert.isUndefined bc.get 123 assert.equal bc.get(8), 8 assert.equal bc.set(8, 18), bc assert.equal bc.get(8), 18 it 'clear', -> bc = new BC(10) assert.lengthOf bc, 0 for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 assert.isUndefined bc.get(20) assert.isUndefined bc.get(18) assert.isUndefined bc.get(11) assert.isUndefined bc.get(1) assert.isUndefined bc.get(5) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.equal bc.get(20), 20 assert.equal bc.get(19), 19 assert.equal bc.get(18), 18 assert.equal bc.get(11), 11 assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 it 'destructor', -> bc = new BC(10) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.isNull bc.destructor() assert.equal bc.length, -1 assert.equal bc.maxSize, -1 assert.isNull bc._data assert.isNull bc._control describe 'without Map', -> BC = undefined if typeof Map is 'function' map = global.Map before -> global.Map = null delete require.cache[require.resolve('../lib/cache/base.coffee')] {BaseCache} = require '../lib/cache/base.coffee' class BC2 extends BaseCache constructor: (size) -> super(size) BC = BC2 after -> global.Map = map delete require.cache[require.resolve('../lib/cache/base.coffee')] {BaseCache} = require '../lib/cache/base.coffee' return else before -> class BC2 extends BaseCache constructor: (size) -> super(size) BC = BC2 return describe 'structure', -> it 'class', -> assert.ok BaseCache assert.isFunction BaseCache assert.lengthOf BaseCache, 1, 'max size' assert.isTrue BaseCache.isAbstract it 'proto', -> assert.isFunction BaseCache::destructor assert.lengthOf BaseCache::destructor, 0 assert.isNumber BaseCache::length assert.equal BaseCache::length, -1 assert.isFunction BaseCache::set assert.lengthOf BaseCache::set, 2 assert.isFunction BaseCache::get assert.lengthOf BaseCache::get, 1 assert.isFunction BaseCache::clear assert.lengthOf BaseCache::clear, 0 describe 'behavior', -> describe 'errors', -> it 'new', -> fn = -> new BaseCache() assert.throws fn, TypeError, '`BaseCache` is abstract' fn = -> new BC(false) assert.throws fn, TypeError, '`size` should be a number' fn = -> new BC(-2) assert.throws fn, RangeError, '`size` less than 1' fn = -> new BC(0) assert.throws fn, RangeError, '`size` less than 1' it 'get', -> fn = -> bc = new BC() bc.get() assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new BC() bc.get(1, 2) assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new BC() bc.get({}) assert.throws fn, TypeError, '`key` must be a string or number' fn = -> bc = new BC() bc.get(false) assert.throws fn, TypeError, '`key` must be a string or number' it 'set', -> fn = -> bc = new BC() bc.set() assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new BC() bc.set(1) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new BC() bc.set(1, 2, 3) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new BC() bc.set({}, '') assert.throws fn, Error, '`key` must be a string or number' fn = -> bc = new BC() bc.set(false, '') assert.throws fn, Error, '`key` must be a string or number' it 'clear', -> fn = -> bc = new BC() bc.clear(1) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new BC() bc.clear(yes) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new BC() bc.clear(null) assert.throws fn, Error, '`clear` have not arguments' describe 'correct', -> it 'new', -> bc = new BC(10) assert.instanceOf bc, BC assert.instanceOf bc, BaseCache assert.instanceOf bc, CSObject assert.equal bc.maxSize, 10 assert.lengthOf bc, 0 if typeof Map is 'function' assert.instanceOf bc._data, Map else assert.isObject bc._data assert.instanceOf bc._control, Queue it 'set', -> bc = new BC(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '/', 123 assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.lengthOf bc, 2 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.lengthOf bc, 10 it 'get', -> bc = new BC(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '/', 123 assert.equal 123, bc.get '/' assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.equal 456, bc.get 123 assert.lengthOf bc, 2 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.isUndefined bc.get '/' assert.isUndefined bc.get 123 assert.equal bc.get(8), 8 assert.equal bc.set(8, 18), bc assert.equal bc.get(8), 18 it 'clear', -> bc = new BC(10) assert.lengthOf bc, 0 for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 assert.isUndefined bc.get(20) assert.isUndefined bc.get(18) assert.isUndefined bc.get(11) assert.isUndefined bc.get(1) assert.isUndefined bc.get(5) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.equal bc.get(20), 20 assert.equal bc.get(19), 19 assert.equal bc.get(18), 18 assert.equal bc.get(11), 11 assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 it 'destructor', -> bc = new BC(10) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.isNull bc.destructor() assert.equal bc.length, -1 assert.equal bc.maxSize, -1 assert.isNull bc._data assert.isNull bc._control describe 'LRUCache', -> BC = undefined describe 'and Map', -> before -> {BaseCache} = require '../lib/cache.coffee' class BC2 extends BaseCache constructor: (size) -> super(size) BC = BC2 describe 'structure', -> it 'class', -> assert.ok LRUCache assert.isFunction LRUCache assert.lengthOf LRUCache, 1, 'max size' assert.isUndefined LRUCache.isAbstract it 'proto', -> assert.isFunction LRUCache::destructor assert.lengthOf LRUCache::destructor, 0 assert.isNumber LRUCache::length assert.equal LRUCache::length, -1 assert.isFunction LRUCache::set assert.lengthOf LRUCache::set, 2 assert.isFunction LRUCache::get assert.lengthOf LRUCache::get, 1 assert.isFunction LRUCache::clear assert.lengthOf LRUCache::clear, 0 describe 'behavior', -> describe 'errors', -> it 'new', -> fn = -> new LRUCache(false) assert.throws fn, TypeError, '`size` should be a number' fn = -> new LRUCache(-2) assert.throws fn, RangeError, '`size` less than 1' fn = -> new LRUCache(0) assert.throws fn, RangeError, '`size` less than 1' it 'get', -> fn = -> bc = new LRUCache() bc.get() assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new LRUCache() bc.get(1, 2) assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new LRUCache() bc.get({}) assert.throws fn, TypeError, '`key` must be a string or number' fn = -> bc = new LRUCache() bc.get(false) assert.throws fn, TypeError, '`key` must be a string or number' it 'set', -> fn = -> bc = new LRUCache() bc.set() assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new LRUCache() bc.set(1) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new LRUCache() bc.set(1, 2, 3) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new LRUCache() bc.set({}, '') assert.throws fn, Error, '`key` must be a string or number' fn = -> bc = new LRUCache() bc.set(false, '') assert.throws fn, Error, '`key` must be a string or number' it 'clear', -> fn = -> bc = new LRUCache() bc.clear(1) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new LRUCache() bc.clear(yes) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new LRUCache() bc.clear(null) assert.throws fn, Error, '`clear` have not arguments' describe 'correct', -> it 'new', -> bc = new LRUCache(10) assert.instanceOf bc, LRUCache assert.instanceOf bc, BaseCache assert.instanceOf bc, CSObject assert.equal bc.maxSize, 10 assert.lengthOf bc, 0 if typeof Map is 'function' assert.instanceOf bc._data, Map else assert.isObject bc._data assert.instanceOf bc._control, NodeQueue it 'set', -> bc = new LRUCache(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '123', 123 assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.lengthOf bc, 2 assert.equal 123, bc.get '123' assert.equal 456, bc.get 123 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.lengthOf bc, 10 it 'get', -> bc = new LRUCache(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '/', 123 assert.equal 123, bc.get '/' assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.isUndefined bc.get '123' assert.equal 456, bc.get 123 assert.lengthOf bc, 2 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.isUndefined bc.get '/' assert.isUndefined bc.get 123 bc .set '123', 123 .set 456, 456 for i in [0...5] bc.set i, i assert.equal i, bc.get i assert.equal 456, bc.get 456 assert.equal 123, bc.get '123' for i in [5...10] bc.set i, i assert.equal i, bc.get i assert.strictEqual 456, bc.get 456 assert.strictEqual 123, bc.get '123' assert.isUndefined bc.get 0 assert.isUndefined bc.get 1 assert.equal bc, bc.set 456, '456' assert.strictEqual '456', bc.get 456 it 'clear', -> bc = new LRUCache(10) assert.lengthOf bc, 0 for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 assert.isUndefined bc.get(20) assert.isUndefined bc.get(18) assert.isUndefined bc.get(11) assert.isUndefined bc.get(1) assert.isUndefined bc.get(5) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.equal bc.get(20), 20 assert.equal bc.get(19), 19 assert.equal bc.get(18), 18 assert.equal bc.get(11), 11 bc.set 123, 123 bc.set '123', '123' assert.isUndefined bc.get 10 # out assert.isUndefined bc.get 12 assert.isUndefined bc.get 13 assert.strictEqual 123, bc.get 123 assert.strictEqual '123', bc.get '123' assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 it 'destructor', -> bc = new LRUCache(10) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.isNull bc.destructor() assert.equal bc.length, -1 assert.equal bc.maxSize, -1 assert.isNull bc._data assert.isNull bc._control describe 'without Map', -> if typeof Map is 'function' map = global.Map BC = undefined before -> global.Map = null delete require.cache[require.resolve('../lib/cache/lru.coffee')] delete require.cache[require.resolve('../lib/cache/base.coffee')] delete require.cache[require.resolve('../lib/cache.coffee')] {LRUCache, BaseCache} = require '../lib/cache.coffee' class BC2 extends BaseCache constructor: (size) -> super(size) BC = BC2 return after -> global.Map = map delete require.cache[require.resolve('../lib/cache/lru.coffee')] delete require.cache[require.resolve('../lib/cache/base.coffee')] delete require.cache[require.resolve('../lib/cache.coffee')] {LRUCache, BaseCache} = require '../lib/cache.coffee' return describe 'structure', -> it 'class', -> assert.ok LRUCache assert.isFunction LRUCache assert.lengthOf LRUCache, 1, 'max size' assert.isUndefined LRUCache.isAbstract it 'proto', -> assert.isFunction LRUCache::destructor assert.lengthOf LRUCache::destructor, 0 assert.isNumber LRUCache::length assert.equal LRUCache::length, -1 assert.isFunction LRUCache::set assert.lengthOf LRUCache::set, 2 assert.isFunction LRUCache::get assert.lengthOf LRUCache::get, 1 assert.isFunction LRUCache::clear assert.lengthOf LRUCache::clear, 0 describe 'behavior', -> describe 'errors', -> it 'new', -> fn = -> new LRUCache(false) assert.throws fn, TypeError, '`size` should be a number' fn = -> new LRUCache(-2) assert.throws fn, RangeError, '`size` less than 1' fn = -> new LRUCache(0) assert.throws fn, RangeError, '`size` less than 1' it 'get', -> fn = -> bc = new LRUCache() bc.get() assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new LRUCache() bc.get(1, 2) assert.throws fn, Error, '`get` have `key` argument' fn = -> bc = new LRUCache() bc.get({}) assert.throws fn, TypeError, '`key` must be a string or number' fn = -> bc = new LRUCache() bc.get(false) assert.throws fn, TypeError, '`key` must be a string or number' it 'set', -> fn = -> bc = new LRUCache() bc.set() assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new LRUCache() bc.set(1) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new LRUCache() bc.set(1, 2, 3) assert.throws fn, Error, '`set` have `key` and `value` arguments' fn = -> bc = new LRUCache() bc.set({}, '') assert.throws fn, Error, '`key` must be a string or number' fn = -> bc = new LRUCache() bc.set(false, '') assert.throws fn, Error, '`key` must be a string or number' it 'clear', -> fn = -> bc = new LRUCache() bc.clear(1) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new LRUCache() bc.clear(yes) assert.throws fn, Error, '`clear` have not arguments' fn = -> bc = new LRUCache() bc.clear(null) assert.throws fn, Error, '`clear` have not arguments' describe 'correct', -> it 'new', -> bc = new LRUCache(10) assert.instanceOf bc, LRUCache assert.instanceOf bc, BaseCache assert.instanceOf bc, CSObject assert.equal bc.maxSize, 10 assert.lengthOf bc, 0 if typeof Map is 'function' assert.instanceOf bc._data, Map else assert.isObject bc._data assert.instanceOf bc._control, NodeQueue it 'set', -> bc = new LRUCache(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '123', 123 assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.lengthOf bc, 2 assert.equal 123, bc.get '123' assert.equal 456, bc.get 123 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.lengthOf bc, 10 it 'get', -> bc = new LRUCache(10) assert.lengthOf bc, 0 assert.equal bc, bc.set '/', 123 assert.equal 123, bc.get '/' assert.lengthOf bc, 1 assert.equal bc, bc.set 123, 456 assert.isUndefined bc.get '123' assert.equal 456, bc.get 123 assert.lengthOf bc, 2 assert.equal bc.maxSize, 10 for i in [0..10] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.isUndefined bc.get '/' assert.isUndefined bc.get 123 bc .set '123', 123 .set 456, 456 for i in [0...5] bc.set i, i assert.equal i, bc.get i assert.equal 456, bc.get 456 assert.equal 123, bc.get '123' for i in [5...10] bc.set i, i assert.equal i, bc.get i assert.strictEqual 456, bc.get 456 assert.strictEqual 123, bc.get '123' assert.isUndefined bc.get 0 assert.isUndefined bc.get 1 assert.equal bc, bc.set 456, '456' assert.strictEqual '456', bc.get 456 it 'clear', -> bc = new LRUCache(10) assert.lengthOf bc, 0 for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 assert.isUndefined bc.get(20) assert.isUndefined bc.get(18) assert.isUndefined bc.get(11) assert.isUndefined bc.get(1) assert.isUndefined bc.get(5) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.equal bc.get(20), 20 assert.equal bc.get(19), 19 assert.equal bc.get(18), 18 assert.equal bc.get(11), 11 bc.set 123, 123 bc.set '123', '123' assert.isUndefined bc.get 10 # out assert.isUndefined bc.get 12 assert.isUndefined bc.get 13 assert.strictEqual 123, bc.get 123 assert.strictEqual '123', bc.get '123' assert.lengthOf bc, 10 assert.equal bc, bc.clear() assert.lengthOf bc, 0 it 'destructor', -> bc = new LRUCache(10) for i in [0..20] bc.set i, i assert.equal i, bc.get i assert.isNull bc.destructor() assert.equal bc.length, -1 assert.equal bc.maxSize, -1 assert.isNull bc._data assert.isNull bc._control