Your IP : 172.70.127.68
import Runtime from '../../src/lib/runtime';
import {internalClone} from '../../src/lib/runtime/clone';
function shuffle(a) {
for (let i = a.length - 1; i > 0; i--)
{
const j = Math.floor(Math.random() * (i + 1));
[a[i], a[j]] = [a[j], a[i]];
}
return a;
}
describe('Runtime', () => {
it('Should be exported as function', () => {
assert(typeof Runtime === 'function');
});
describe('#merge', () => {
it('Should be a function', () => {
assert(typeof Runtime.merge === 'function');
});
it('Should merge 2 simple objects', () => {
const source1 = {prop1: 1, prop2: 2};
const source2 = {prop1: 99, prop3: 3};
const result = Runtime.merge(source1, source2);
assert.equal(Object.keys(result).length, 3);
assert.equal(result.prop1, 99);
assert.equal(result.prop2, 2);
assert.equal(result.prop3, 3);
});
it('Should merge more than 2 objects', () => {
const source1 = {prop1: 1, prop2: 2};
const source2 = {prop1: 99, prop3: 3};
const source3 = {prop1: 100, prop4: 4};
const source4 = {prop2: 222, prop5: 5};
const result = Runtime.merge(source1, source2, source3, source4);
assert.equal(Object.keys(result).length, 5);
assert.equal(result.prop1, 100);
assert.equal(result.prop2, 222);
assert.equal(result.prop3, 3);
assert.equal(result.prop4, 4);
assert.equal(result.prop5, 5);
});
it('Should not modify merging objects', () => {
const source1 = {prop1: 1, prop2: 2};
const source1Clone = {...source1};
const source2 = {prop1: 99, prop3: 3};
const source2Clone = {...source2};
const source3 = {prop1: 100, prop4: 4};
const source3Clone = {...source3};
const source4 = {prop2: 222, prop5: 5};
const source4Clone = {...source4};
void Runtime.merge(source1, source2, source3, source4);
assert.deepEqual(source1, source1Clone);
assert.deepEqual(source2, source2Clone);
assert.deepEqual(source3, source3Clone);
assert.deepEqual(source4, source4Clone);
});
it('Should merge child objects', () => {
const source1 = {
prop1: 1,
prop2: 2,
propA: [1, 2, 3],
child: {
prop11: 11,
prop22: 22,
prop99: {
prop111: 111,
}
},
};
const source2 = {
prop1: 1,
prop2: 2,
propA: [1, 2, 4, 5],
child: {
prop11: 11,
prop22: 2222,
prop33: 33,
prop99: {
prop222: 222,
}
},
};
const result = {
prop1: 1,
prop2: 2,
propA: [1, 2, 4, 5],
child: {
prop11: 11,
prop22: 2222,
prop33: 33,
prop99: {
prop111: 111,
prop222: 222,
}
},
};
const merged = Runtime.merge(source1, source2);
assert.deepEqual(merged, result);
});
it('Should merge arrays', () => {
const source1 = [1, 2, 3, 4];
const source2 = [9,,,7];
const result = [9, 2, 3, 7];
const merged = Runtime.merge(source1, source2);
assert.deepEqual(merged, result);
});
it('Should deep merge array of objects', () => {
const source1 = [{test1: 1}, {test2: 2}];
const source2 = [{test1: 99}, {test3: 3}];
const result = [{test1: 99}, {test2: 2, test3: 3}];
const merged = Runtime.merge(source1, source2);
assert.deepEqual(merged, result);
});
it('Should merge arrays with html elements', () => {
const element = document.createElement('div');
const source1 = ['', 'test'];
const source2 = [element];
const result = Runtime.merge(source1, source2);
assert.ok(result[0] === element);
assert.ok(result[1] === 'test');
});
describe('Memory leak detection', () => {
it('Should not retain passed params', () => {
let item1 = [1, 2, {test: 1}];
let item2 = [3, 4, {test: 2}];
let result = Runtime.merge(item1, item2);
let isItem1Collected = false;
global.weak(item1, () => {
isItem1Collected = true;
});
let isItem2Collected = false;
global.weak(item2, () => {
isItem2Collected = true;
});
let isResultCollected = false;
global.weak(result, () => {
isResultCollected = true;
});
item1 = null;
item2 = null;
result = null;
global.gc();
assert.ok(isItem1Collected, 'Memory leak detected! "item1" is not collected');
assert.ok(isItem2Collected, 'Memory leak detected! "item2" is not collected');
assert.ok(isResultCollected, 'Memory leak detected! "result" is not collected');
});
});
});
describe('#clone', () => {
it('Should be a function', () => {
assert(typeof Runtime.clone === 'function');
});
it('Should clone plain object', () => {
const source = {
prop1: 'value1',
prop2: 'value2',
prop3: ['1', '2', '3']
};
const clone = Runtime.clone(source);
assert.deepEqual(source, clone);
assert(clone !== source);
});
it('Should clone plain object with circular reference', () => {
const source = {
prop1: 'value1',
prop2: 'value2',
prop3: ['1', '2', '3'],
prop4: null,
};
source.prop4 = source;
const clone = Runtime.clone(source);
assert.deepEqual(source, clone);
assert(clone !== source);
});
it('Should clone array', () => {
const source = [1, 2, 3, 4];
const clone = Runtime.clone(source);
assert.deepEqual(source, clone);
assert(clone !== source);
});
it('Should clone array with circular reference', () => {
const source = [1, 2, 3, 4];
source.push(source);
const clone = Runtime.clone(source);
assert.deepEqual(source, clone);
assert(clone !== source);
});
it('Should clone typed object', () => {
class MyClass2 {}
class MyClass extends MyClass2 {
constructor() {
super();
this.prop1 = 1;
this.prop2 = 2;
}
}
const source = new MyClass();
const clone = Runtime.clone(source);
assert.deepEqual(source, clone);
assert(clone !== source);
assert(clone instanceof MyClass);
assert(clone instanceof MyClass2);
});
it('Should clone typed object', () => {
function MyClass() {
this.prop1 = 1;
}
MyClass.prototype.test = function() {};
const source = new MyClass();
const clone = Runtime.clone(source);
assert.deepEqual(source, clone);
assert(clone !== source);
});
it('Should clone named object without constructor property in prototype', () => {
function MyClass() {}
MyClass.prototype = {
getName() {
return 'MyClass';
}
};
const source = new MyClass();
const clone = Runtime.clone(source);
assert.deepEqual(source, clone);
assert(source !== clone);
assert(source instanceof MyClass);
assert(clone instanceof MyClass);
});
describe('Memory leak detection', () => {
it('Should not leak if clone object', () => {
let source = {
string: 'test',
number: 11,
object: {test: 1},
array: [1, 2, 3],
element: document.createElement('div'),
};
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak if clone array', () => {
let source = ['test', 1, {test: 1}, document.createElement('div')];
source.push(source);
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak if clone element without child', () => {
let source = document.createElement('div');
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak if clone element with child', () => {
let source = document.createElement('div');
let childElement = document.createElement('span');
let childTextNode = document.createTextNode('Hello!');
source.appendChild(childElement);
source.appendChild(childTextNode);
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
childElement = null;
childTextNode = null;
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak if clone Date', () => {
let source = new Date();
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak if clone Map', () => {
let source = new Map();
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak if clone Set', () => {
let source = new Set();
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak if clone RegExp', () => {
let source = /\w+/;
let cloned = Runtime.clone(source);
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
source = null;
cloned = null;
global.gc();
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
it('Should not leak in internalClone', () => {
let map = new WeakMap();
let source = {test: 1};
let cloned = internalClone(source, map);
let isMapCollected = false;
global.weak(source, () => {
isMapCollected = true;
});
let isSourceCollected = false;
global.weak(source, () => {
isSourceCollected = true;
});
let isClonedCollected = false;
global.weak(cloned, () => {
isClonedCollected = true;
});
map = null;
source = null;
cloned = null;
global.gc();
assert.ok(isMapCollected, 'Memory leak detected! "map" not collected');
assert.ok(isSourceCollected, 'Memory leak detected! "Source" not collected');
assert.ok(isClonedCollected, 'Memory leak detected! "Cloned" not collected');
});
});
});
describe('#orderBy', () => {
it('Should be a function', () => {
assert.ok(typeof Runtime.orderBy === 'function');
});
it('Should sort array of objects by field with string value (default asc)', () => {
const arr = [
{name: 'b'},
{name: 'a'},
{name: 'c'},
{name: 'z'},
{name: 'd'},
];
const ascResult = [
{name: 'a'},
{name: 'b'},
{name: 'c'},
{name: 'd'},
{name: 'z'},
];
assert.deepEqual(Runtime.orderBy(arr, ['name']), ascResult);
});
it('Should sort array of objects by field with string value (asc)', () => {
const arr = [
{name: 'b'},
{name: 'a'},
{name: 'c'},
{name: 'z'},
{name: 'd'},
];
const ascResult = [
{name: 'a'},
{name: 'b'},
{name: 'c'},
{name: 'd'},
{name: 'z'},
];
assert.deepEqual(Runtime.orderBy(arr, ['name'], ['asc']), ascResult);
});
it('Should sort array of objects by field with string value (desc)', () => {
const arr = [
{name: 'b'},
{name: 'a'},
{name: 'c'},
{name: 'z'},
{name: 'd'},
];
const descResult = [
{name: 'z'},
{name: 'd'},
{name: 'c'},
{name: 'b'},
{name: 'a'},
];
assert.deepEqual(Runtime.orderBy(arr, ['name'], ['desc']), descResult);
});
it('Should sort array of object by field with date value (asc)', () => {
const time = +new Date();
const arr = [
{value: new Date(time - 4), sort: 3},
{value: new Date(time - 2), sort: 5},
{value: new Date(time - 1), sort: 6},
{value: new Date(time - 3), sort: 4},
{value: new Date(time - 6), sort: 1},
{value: new Date(time - 5), sort: 2},
];
const ascResult = [
{value: new Date(time - 6), sort: 1},
{value: new Date(time - 5), sort: 2},
{value: new Date(time - 4), sort: 3},
{value: new Date(time - 3), sort: 4},
{value: new Date(time - 2), sort: 5},
{value: new Date(time - 1), sort: 6},
];
assert.deepEqual(Runtime.orderBy(arr, ['value'], ['asc']), ascResult);
});
it('Should sort array of object by field with date value (desc)', () => {
const time = +new Date();
const arr = [
{value: new Date(time - 4), sort: 3},
{value: new Date(time - 2), sort: 5},
{value: new Date(time - 1), sort: 6},
{value: new Date(time - 3), sort: 4},
{value: new Date(time - 6), sort: 1},
{value: new Date(time - 5), sort: 2},
];
const descResult = [
{value: new Date(time - 1), sort: 6},
{value: new Date(time - 2), sort: 5},
{value: new Date(time - 3), sort: 4},
{value: new Date(time - 4), sort: 3},
{value: new Date(time - 5), sort: 2},
{value: new Date(time - 6), sort: 1},
];
assert.deepEqual(Runtime.orderBy(arr, ['value'], ['desc']), descResult);
});
it('Should sort array of objects by multiple fields (asc, asc)', () => {
const arr = [
{id: 1, range: 1},
{id: 5, range: 5},
{id: 2, range: 2},
{id: 3, range: 3},
{id: 4, range: 4},
{id: 3, range: 2},
];
const ascAscResult = [
{id: 1, range: 1},
{id: 2, range: 2},
{id: 3, range: 2},
{id: 3, range: 3},
{id: 4, range: 4},
{id: 5, range: 5},
];
assert.deepEqual(Runtime.orderBy(arr, ['id', 'range']), ascAscResult);
});
it('Should sort array of objects by multiple fields (asc, desc)', () => {
const arr = [
{id: 1, range: 1},
{id: 5, range: 5},
{id: 2, range: 2},
{id: 3, range: 3},
{id: 4, range: 4},
{id: 3, range: 2},
];
const ascDescResult = [
{id: 1, range: 1},
{id: 2, range: 2},
{id: 3, range: 3},
{id: 3, range: 2},
{id: 4, range: 4},
{id: 5, range: 5},
];
assert.deepEqual(Runtime.orderBy(arr, ['id', 'range'], ['asc', 'desc']), ascDescResult);
});
it('Should sort array of objects by multiple fields (desc, desc)', () => {
const arr = [
{id: 1, range: 1},
{id: 5, range: 5},
{id: 2, range: 2},
{id: 3, range: 3},
{id: 4, range: 4},
{id: 3, range: 2},
];
const descDescResult = [
{id: 5, range: 5},
{id: 4, range: 4},
{id: 3, range: 3},
{id: 3, range: 2},
{id: 2, range: 2},
{id: 1, range: 1},
];
assert.deepEqual(Runtime.orderBy(arr, ['id', 'range'], ['desc', 'desc']), descDescResult);
});
it('Should sort array of objects by multiple fields (desc, asc)', () => {
const arr = [
{id: 1, range: 1},
{id: 5, range: 5},
{id: 2, range: 2},
{id: 3, range: 3},
{id: 4, range: 4},
{id: 3, range: 2},
];
const descAscResult = [
{id: 5, range: 5},
{id: 4, range: 4},
{id: 3, range: 2},
{id: 3, range: 3},
{id: 2, range: 2},
{id: 1, range: 1},
];
assert.deepEqual(Runtime.orderBy(arr, ['id', 'range'], ['desc', 'asc']), descAscResult);
});
it('Should sort array of objects by field with string case-insensitive (asc)', () => {
const arr = [
{name: 'a', sort: 1},
{name: 'b', sort: 3},
{name: 'A', sort: 2},
{name: 'B', sort: 4},
];
const caseInsensitiveResult = [
{name: 'a', sort: 1},
{name: 'A', sort: 2},
{name: 'b', sort: 3},
{name: 'B', sort: 4},
];
assert.deepEqual(Runtime.orderBy(arr, ['name']), caseInsensitiveResult);
});
it('Should sort array of objects by field with string case-insensitive (desc)', () => {
const arr = [
{name: 'a', sort: 1},
{name: 'b', sort: 3},
{name: 'A', sort: 2},
{name: 'B', sort: 4},
];
const caseInsensitiveResult = [
{name: 'b', sort: 3},
{name: 'B', sort: 4},
{name: 'a', sort: 1},
{name: 'A', sort: 2},
];
assert.deepEqual(Runtime.orderBy(arr, ['name'], ['desc']), caseInsensitiveResult);
});
it('Should implements stable asc sort algorithm', () => {
const ascResult = [
{name: 'a', sort: 1},
{name: 'a', sort: 2},
{name: 'b', sort: 3},
{name: 'c', sort: 4},
{name: 'd', sort: 5},
{name: 'z', sort: 6},
];
Array.from({length: 1000}).forEach(() => {
const arr = [
...shuffle([
{name: 'b', sort: 3},
{name: 'c', sort: 4},
{name: 'z', sort: 6},
{name: 'd', sort: 5},
]),
...[
{name: 'a', sort: 1},
{name: 'a', sort: 2},
]
];
assert.deepEqual(Runtime.orderBy(arr, ['name'], ['asc']), ascResult);
});
});
it('Should implements stable desc sort algorithm', () => {
const descResult = [
{name: 'z', sort: 6},
{name: 'd', sort: 5},
{name: 'c', sort: 4},
{name: 'b', sort: 3},
{name: 'a', sort: 1},
{name: 'a', sort: 2},
];
Array.from({length: 1000}).forEach(() => {
const arr = [
...shuffle([
{name: 'b', sort: 3},
{name: 'c', sort: 4},
{name: 'z', sort: 6},
{name: 'd', sort: 5},
]),
...[
{name: 'a', sort: 1},
{name: 'a', sort: 2},
]
];
assert.deepEqual(Runtime.orderBy(arr, ['name'], ['desc']), descResult);
});
});
});
describe('#destroy', () => {
it('Should destroy plain object', () => {
const object = {
prop1: 1,
prop2: 2,
getAny() {
return 'any';
},
};
Runtime.destroy(object);
assert.throws(
() => {
void object.prop1;
},
'Uncaught Error: Object is destroyed',
);
assert.throws(
() => {
void object.prop2;
},
'Uncaught Error: Object is destroyed',
);
assert.throws(
() => {
object.getAny();
},
'Uncaught Error: Object is destroyed',
);
assert.throws(
() => {
object.toString();
},
'Uncaught Error: Object is destroyed',
);
assert.throws(
() => {
object.propertyIsEnumerable('prop1');
},
'Uncaught Error: Object is destroyed',
);
});
it('Should destroy ES6 class instance', () => {
class MyClass
{
constructor()
{
this.prop1 = 1;
this.prop2 = 2;
}
getAny()
{
return 'any';
}
}
const object = new MyClass();
Runtime.destroy(object);
assert.throws(
() => {
void object.prop1;
},
'Uncaught Error: Object is destroyed',
);
assert.throws(
() => {
void object.prop2;
},
'Uncaught Error: Object is destroyed',
);
assert.throws(
() => {
object.getAny();
},
'Uncaught Error: Object is destroyed',
);
});
it('Should does not throws if passed destroyed object', () => {
const object = {
prop1: 1,
prop2: 2,
getAny() {
return 'any';
},
};
Runtime.destroy(object);
assert.doesNotThrow(() => {
Runtime.destroy(object);
});
});
it('Should does not throws if passed primitive', () => {
assert.doesNotThrow(() => {
Runtime.destroy(1);
});
assert.doesNotThrow(() => {
Runtime.destroy(true);
});
assert.doesNotThrow(() => {
Runtime.destroy('string');
});
assert.doesNotThrow(() => {
Runtime.destroy(Symbol('111'));
});
});
});
});