reuse-pool/test/all.js

Pool arbitrary objects for reuse

var test = require('tape');
var pool = require('../');

test('get returns new object when pool is empty', function(assert) {

    var p = pool(function() { return "foo"; });
    var obj = p.get();

    assert.equals(obj, "foo");
    assert.end();

});

test('get returns pooled object when available', function(assert) {

    var p = pool(function() { return {}; });

    var obj1 = p.get();
    var obj2 = p.get();

    p.recycle(obj1);
    p.recycle(obj2);

    assert.equal(p.get(), obj2);
    assert.equal(p.get(), obj1);
    assert.end();

});

test('prepare is not called before returning new object', function(assert) {

    var p = pool(function() { return {}; }, {
        prepare: function(obj) {
            obj.ready = true;
        }
    });

    var obj = p.get();

    assert.ok(!obj.ready);
    assert.end();


});

test('prepare is called before returning reused object', function(assert) {

    var p = pool(function() { return {}; }, {
        prepare: function(obj) {
            obj.ready = true;
        }
    });

    var obj = p.get();
    p.recycle(obj);
    obj = p.get();

    assert.ok(obj.ready);
    assert.end();

});

test('max items is respected', function(assert) {

	var p = pool(function() { return {}; }, { max: 1 });

	var obj1 = p.get();
	var obj2 = p.get();
	var obj3 = p.get();

	p.recycle(obj1);
	p.recycle(obj2);
	p.recycle(obj3);

	assert.equal(obj1, p.get());
	assert.end();

});