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var expect = require('chai').expect,
objectPath = require('./index.js');
function getTestObj() {
return {
a: 'b',
b: {
c: [],
d: ['a', 'b'],
e: [{},{f: 'g'}],
f: 'i'
}
};
}
describe('get', function() {
it('should return the value under shallow object', function() {
var obj = getTestObj();
expect(objectPath.get(obj, 'a')).to.be.equal('b');
expect(objectPath.get(obj, ['a'])).to.be.equal('b');
});
it('should work with number path', function() {
var obj = getTestObj();
expect(objectPath.get(obj.b.d, 0)).to.be.equal('a');
expect(objectPath.get(obj.b, 0)).to.be.equal(void 0);
});
it('should return the value under deep object', function() {
var obj = getTestObj();
expect(objectPath.get(obj, 'b.f')).to.be.equal('i');
expect(objectPath.get(obj, ['b','f'])).to.be.equal('i');
});
it('should return the value under array', function() {
var obj = getTestObj();
expect(objectPath.get(obj, 'b.d.0')).to.be.equal('a');
expect(objectPath.get(obj, ['b','d',0])).to.be.equal('a');
});
it('should return the value under array deep', function() {
var obj = getTestObj();
expect(objectPath.get(obj, 'b.e.1.f')).to.be.equal('g');
expect(objectPath.get(obj, ['b','e',1,'f'])).to.be.equal('g');
});
it('should return undefined for missing values under object', function() {
var obj = getTestObj();
expect(objectPath.get(obj, 'a.b')).to.not.exist;
expect(objectPath.get(obj, ['a','b'])).to.not.exist;
});
it('should return undefined for missing values under array', function() {
var obj = getTestObj();
expect(objectPath.get(obj, 'b.d.5')).to.not.exist;
expect(objectPath.get(obj, ['b','d','5'])).to.not.exist;
});
it('should return the value under integer-like key', function() {
var obj = { '1a': 'foo' };
expect(objectPath.get(obj, '1a')).to.be.equal('foo');
expect(objectPath.get(obj, ['1a'])).to.be.equal('foo');
});
it('should return the default value when the key doesnt exist', function() {
var obj = { '1a': 'foo' };
expect(objectPath.get(obj, '1b', null)).to.be.equal(null);
expect(objectPath.get(obj, ['1b'], null)).to.be.equal(null);
});
it('should return the default value when path is empty', function() {
var obj = { '1a': 'foo' };
expect(objectPath.get(obj, '', null)).to.be.deep.equal({ '1a': 'foo' });
expect(objectPath.get(obj, [])).to.be.deep.equal({ '1a': 'foo' });
expect(objectPath.get({ }, ['1'])).to.be.equal(undefined);
});
it('should skip non own properties with isEmpty', function(){
var Base = function(enabled){ };
Base.prototype = {
one: {
two: true
}
};
var Extended = function(){
Base.call(this, true);
};
Extended.prototype = Object.create(Base.prototype);
var extended = new Extended();
expect(objectPath.get(extended, ['one','two'])).to.be.equal(undefined);
extended.enabled = true;
expect(objectPath.get(extended, 'enabled')).to.be.equal(true);
});
});
describe('set', function() {
it('should set value under shallow object', function() {
var obj = getTestObj();
objectPath.set(obj, 'c', {m: 'o'});
expect(obj).to.have.deep.property('c.m', 'o');
obj = getTestObj();
objectPath.set(obj, ['c'], {m: 'o'});
expect(obj).to.have.deep.property('c.m', 'o');
});
it('should set value using number path', function() {
var obj = getTestObj();
objectPath.set(obj.b.d, 0, 'o');
expect(obj).to.have.deep.property('b.d.0', 'o');
});
it('should set value under deep object', function() {
var obj = getTestObj();
objectPath.set(obj, 'b.c', 'o');
expect(obj).to.have.deep.property('b.c', 'o');
obj = getTestObj();
objectPath.set(obj, ['b','c'], 'o');
expect(obj).to.have.deep.property('b.c', 'o');
});
it('should set value under array', function() {
var obj = getTestObj();
objectPath.set(obj, 'b.e.1.g', 'f');
expect(obj).to.have.deep.property('b.e.1.g', 'f');
obj = getTestObj();
objectPath.set(obj, ['b','e',1,'g'], 'f');
expect(obj).to.have.deep.property('b.e.1.g', 'f');
});
it('should create intermediate objects', function() {
var obj = getTestObj();
objectPath.set(obj, 'c.d.e.f', 'l');
expect(obj).to.have.deep.property('c.d.e.f', 'l');
obj = getTestObj();
objectPath.set(obj, ['c','d','e','f'], 'l');
expect(obj).to.have.deep.property('c.d.e.f', 'l');
});
it('should create intermediate arrays', function() {
var obj = getTestObj();
objectPath.set(obj, 'c.0.1.m', 'l');
expect(obj.c).to.be.an('array');
expect(obj.c[0]).to.be.an('array');
expect(obj).to.have.deep.property('c.0.1.m', 'l');
obj = getTestObj();
objectPath.set(obj, ['c','0', 1,'m'], 'l');
expect(obj.c).to.be.an('object');
expect(obj.c[0]).to.be.an('array');
expect(obj).to.have.deep.property('c.0.1.m', 'l');
});
it('should set value under integer-like key', function() {
var obj = getTestObj();
objectPath.set(obj, '1a', 'foo');
expect(obj).to.have.deep.property('1a', 'foo');
obj = getTestObj();
objectPath.set(obj, ['1a'], 'foo');
expect(obj).to.have.deep.property('1a', 'foo');
});
it('should set value under empty array', function() {
var obj = [];
objectPath.set(obj, [0], 'foo');
expect(obj[0]).to.be.equal('foo');
obj = [];
objectPath.set(obj, '0', 'foo');
expect(obj[0]).to.be.equal('foo');
});
});
describe('push', function() {
it('should push value to existing array', function() {
var obj = getTestObj();
objectPath.push(obj, 'b.c', 'l');
expect(obj).to.have.deep.property('b.c.0', 'l');
obj = getTestObj();
objectPath.push(obj, ['b','c'], 'l');
expect(obj).to.have.deep.property('b.c.0', 'l');
});
it('should push value to new array', function() {
var obj = getTestObj();
objectPath.push(obj, 'b.h', 'l');
expect(obj).to.have.deep.property('b.h.0', 'l');
obj = getTestObj();
objectPath.push(obj, ['b','h'], 'l');
expect(obj).to.have.deep.property('b.h.0', 'l');
});
it('should push value to existing array using number path', function() {
var obj = getTestObj();
objectPath.push(obj.b.e, 0, 'l');
expect(obj).to.have.deep.property('b.e.0.0', 'l');
});
});
describe('ensureExists', function() {
it('should create the path if it does not exists', function() {
var obj = getTestObj();
var oldVal = objectPath.ensureExists(obj, 'b.g.1.l', 'test');
expect(oldVal).to.not.exist;
expect(obj).to.have.deep.property('b.g.1.l', 'test');
oldVal = objectPath.ensureExists(obj, 'b.g.1.l', 'test1');
expect(oldVal).to.be.equal('test');
expect(obj).to.have.deep.property('b.g.1.l', 'test');
});
it('should return the object if path is empty', function() {
var obj = getTestObj();
expect(objectPath.ensureExists(obj, [], 'test')).to.have.property('a', 'b');
});
it('Issue #26', function() {
var any = {};
objectPath.ensureExists(any, ['1','1'], {});
expect(any).to.be.an('object');
expect(any[1]).to.be.an('object');
expect(any[1][1]).to.be.an('object');
});
});
describe('coalesce', function(){
it('should return the first non-undefined value', function(){
var obj = {
should: {have: 'prop'}
};
expect(objectPath.coalesce(obj, [
'doesnt.exist',
['might','not','exist'],
'should.have'
])).to.equal('prop');
});
it('should work with falsy values (null, 0, \'\', false)', function(){
var obj = {
is: {
false: false,
null: null,
empty: '',
zero: 0
}
};
expect(objectPath.coalesce(obj, [
'doesnt.exist',
'is.zero'
])).to.equal(0);
expect(objectPath.coalesce(obj, [
'doesnt.exist',
'is.false'
])).to.equal(false);
expect(objectPath.coalesce(obj, [
'doesnt.exist',
'is.null'
])).to.equal(null);
expect(objectPath.coalesce(obj, [
'doesnt.exist',
'is.empty'
])).to.equal('');
});
it('returns defaultValue if no paths found', function(){
var obj = {
doesnt: 'matter'
};
expect(objectPath.coalesce(obj, ['some.inexistant','path',['on','object']], 'false')).to.equal('false');
});
});
describe('empty', function(){
it('should ignore invalid arguments safely', function(){
var obj = {};
expect(objectPath.empty()).to.equal(void 0);
expect(objectPath.empty(obj, 'path')).to.equal(void 0);
expect(objectPath.empty(obj, '')).to.equal(obj);
obj.path = true;
expect(objectPath.empty(obj, 'inexistant')).to.equal(obj);
});
it('should empty each path according to their types', function(){
function Instance(){
this.notOwn = true;
}
/*istanbul ignore next: not part of code */
Instance.prototype.test = function(){};
/*istanbul ignore next: not part of code */
Instance.prototype.arr = [];
var
obj = {
string: 'some string',
array: ['some','array',[1,2,3]],
number: 21,
boolean: true,
object: {
some:'property',
sub: {
'property': true
}
},
instance: new Instance()
};
/*istanbul ignore next: not part of code */
obj['function'] = function(){};
objectPath.empty(obj, ['array','2']);
expect(obj.array[2]).to.deep.equal([]);
objectPath.empty(obj, 'object.sub');
expect(obj.object.sub).to.deep.equal({});
objectPath.empty(obj, 'instance.test');
expect(obj.instance.test).to.equal(null);
expect(Instance.prototype.test).to.be.a('function');
objectPath.empty(obj, 'string');
objectPath.empty(obj, 'number');
objectPath.empty(obj, 'boolean');
objectPath.empty(obj, 'function');
objectPath.empty(obj, 'array');
objectPath.empty(obj, 'object');
objectPath.empty(obj, 'instance');
expect(obj.string).to.equal('');
expect(obj.array).to.deep.equal([]);
expect(obj.number).to.equal(0);
expect(obj.boolean).to.equal(false);
expect(obj.object).to.deep.equal({});
expect(obj.instance.notOwn).to.be.an('undefined');
expect(obj.instance.arr).to.be.an('array');
expect(obj['function']).to.equal(null);
});
});
describe('del', function(){
it('should return undefined on empty object', function(){
expect(objectPath.del({}, 'a')).to.equal(void 0);
});
it('should work with number path', function(){
var obj = getTestObj();
objectPath.del(obj.b.d, 1);
expect(obj.b.d).to.deep.equal(['a']);
});
it('should delete deep paths', function(){
var obj = getTestObj();
expect(objectPath.del(obj)).to.be.equal(obj);
objectPath.set(obj, 'b.g.1.0', 'test');
objectPath.set(obj, 'b.g.1.1', 'test');
objectPath.set(obj, 'b.h.az', 'test');
expect(obj).to.have.deep.property('b.g.1.0','test');
expect(obj).to.have.deep.property('b.g.1.1','test');
expect(obj).to.have.deep.property('b.h.az','test');
objectPath.del(obj, 'b.h.az');
expect(obj).to.not.have.deep.property('b.h.az');
expect(obj).to.have.deep.property('b.h');
objectPath.del(obj, 'b.g.1.1');
expect(obj).to.not.have.deep.property('b.g.1.1');
expect(obj).to.have.deep.property('b.g.1.0','test');
objectPath.del(obj, ['b','g','1','0']);
expect(obj).to.not.have.deep.property('b.g.1.0');
expect(obj).to.have.deep.property('b.g.1');
expect(objectPath.del(obj, ['b'])).to.not.have.deep.property('b.g');
expect(obj).to.be.deep.equal({'a':'b'});
});
it('should remove items from existing array', function(){
var obj = getTestObj();
objectPath.del(obj, 'b.d.0');
expect(obj.b.d).to.have.length(1);
expect(obj.b.d).to.be.deep.equal(['b']);
objectPath.del(obj, 'b.d.0');
expect(obj.b.d).to.have.length(0);
expect(obj.b.d).to.be.deep.equal([]);
});
it('should skip undefined paths', function(){
var obj = getTestObj();
expect(objectPath.del(obj, 'do.not.exist')).to.be.equal(obj);
expect(objectPath.del(obj, 'a.c')).to.be.equal('b');
});
});
describe('insert', function(){
it('should insert value into existing array', function(){
var obj = getTestObj();
objectPath.insert(obj, 'b.c', 'asdf');
expect(obj).to.have.deep.property('b.c.0', 'asdf');
expect(obj).to.not.have.deep.property('b.c.1');
});
it('should create intermediary array', function(){
var obj = getTestObj();
objectPath.insert(obj, 'b.c.0', 'asdf');
expect(obj).to.have.deep.property('b.c.0.0', 'asdf');
});
it('should insert in another index', function(){
var obj = getTestObj();
objectPath.insert(obj, 'b.d', 'asdf', 1);
expect(obj).to.have.deep.property('b.d.1', 'asdf');
expect(obj).to.have.deep.property('b.d.0', 'a');
expect(obj).to.have.deep.property('b.d.2', 'b');
});
it('should handle sparse array', function(){
var obj = getTestObj();
obj.b.d = new Array(4);
obj.b.d[0] = 'a';
obj.b.d[1] = 'b';
objectPath.insert(obj, 'b.d', 'asdf', 3);
expect(obj.b.d).to.have.members([
'a',
'b',
,
,
'asdf'
]);
});
});
describe('has', function () {
it('should return false for empty object', function () {
expect(objectPath.has({}, 'a')).to.be.false;
});
it('should return false for empty path', function () {
var obj = getTestObj();
expect(objectPath.has(obj, '')).to.be.false;
expect(objectPath.has(obj, [])).to.be.false;
expect(objectPath.has(obj, [''])).to.be.false;
});
it('should test under shallow object', function() {
var obj = getTestObj();
expect(objectPath.has(obj, 'a')).to.be.true;
expect(objectPath.has(obj, ['a'])).to.be.true;
expect(objectPath.has(obj, 'z')).to.be.false;
expect(objectPath.has(obj, ['z'])).to.be.false;
});
it('should work with number path', function() {
var obj = getTestObj();
expect(objectPath.has(obj.b.d, 0)).to.be.true;
expect(objectPath.has(obj.b, 0)).to.be.false;
expect(objectPath.has(obj.b.d, 10)).to.be.false;
expect(objectPath.has(obj.b, 10)).to.be.false;
});
it('should test under deep object', function() {
var obj = getTestObj();
expect(objectPath.has(obj, 'b.f')).to.be.true;
expect(objectPath.has(obj, ['b','f'])).to.be.true;
expect(objectPath.has(obj, 'b.g')).to.be.false;
expect(objectPath.has(obj, ['b','g'])).to.be.false;
});
it('should test value under array', function() {
var obj = getTestObj();
expect(objectPath.has(obj, 'b.d.0')).to.be.true;
expect(objectPath.has(obj, ['b','d',0])).to.be.true;
});
it('should test the value under array deep', function() {
var obj = getTestObj();
expect(objectPath.has(obj, 'b.e.1.f')).to.be.true;
expect(objectPath.has(obj, ['b','e',1,'f'])).to.be.true;
expect(objectPath.has(obj, 'b.e.1.f.g.h.i')).to.be.false;
expect(objectPath.has(obj, ['b','e',1,'f','g','h','i'])).to.be.false;
});
it('should test the value under integer-like key', function() {
var obj = { '1a': 'foo' };
expect(objectPath.has(obj, '1a')).to.be.true;
expect(objectPath.has(obj, ['1a'])).to.be.true;
});
it('should distinct nonexistent key and key = undefined', function() {
var obj = {};
expect(objectPath.has(obj, 'key')).to.be.false;
obj.key = undefined;
expect(objectPath.has(obj, 'key')).to.be.true;
});
});
describe('bind object', function () {
// just get one scenario from each feature, so whole functionality is proxied well
it('should return the value under shallow object', function() {
var obj = getTestObj();
var model = objectPath(obj);
expect(model.get('a')).to.be.equal('b');
expect(model.get(['a'])).to.be.equal('b');
});
it('should set value under shallow object', function() {
var obj = getTestObj();
var model = objectPath(obj);
model.set('c', {m: 'o'});
expect(obj).to.have.deep.property('c.m', 'o');
obj = getTestObj();
model = objectPath(obj);
model.set(['c'], {m: 'o'});
expect(obj).to.have.deep.property('c.m', 'o');
});
it('should push value to existing array', function() {
var obj = getTestObj();
var model = objectPath(obj);
model.push('b.c', 'l');
expect(obj).to.have.deep.property('b.c.0', 'l');
obj = getTestObj();
model = objectPath(obj);
model.push(['b','c'], 'l');
expect(obj).to.have.deep.property('b.c.0', 'l');
});
it('should create the path if it does not exists', function() {
var obj = getTestObj();
var model = objectPath(obj);
var oldVal = model.ensureExists('b.g.1.l', 'test');
expect(oldVal).to.not.exist;
expect(obj).to.have.deep.property('b.g.1.l', 'test');
oldVal = model.ensureExists('b.g.1.l', 'test1');
expect(oldVal).to.be.equal('test');
expect(obj).to.have.deep.property('b.g.1.l', 'test');
});
it('should return the first non-undefined value', function(){
var obj = {
should: {have: 'prop'}
};
var model = objectPath(obj);
expect(model.coalesce([
'doesnt.exist',
['might','not','exist'],
'should.have'
])).to.equal('prop');
});
it('should empty each path according to their types', function(){
function Instance(){
this.notOwn = true;
}
/*istanbul ignore next: not part of code */
Instance.prototype.test = function(){};
/*istanbul ignore next: not part of code */
Instance.prototype.arr = [];
var
obj = {
string: 'some string',
array: ['some','array',[1,2,3]],
number: 21,
boolean: true,
object: {
some:'property',
sub: {
'property': true
}
},
instance: new Instance()
};
/*istanbul ignore next: not part of code */
obj['function'] = function(){};
var model = objectPath(obj);
model.empty(['array','2']);
expect(obj.array[2]).to.deep.equal([]);
model.empty('object.sub');
expect(obj.object.sub).to.deep.equal({});
model.empty('instance.test');
expect(obj.instance.test).to.equal(null);
expect(Instance.prototype.test).to.be.a('function');
model.empty('string');
model.empty('number');
model.empty('boolean');
model.empty('function');
model.empty('array');
model.empty('object');
model.empty('instance');
expect(obj.string).to.equal('');
expect(obj.array).to.deep.equal([]);
expect(obj.number).to.equal(0);
expect(obj.boolean).to.equal(false);
expect(obj.object).to.deep.equal({});
expect(obj.instance.notOwn).to.be.an('undefined');
expect(obj.instance.arr).to.be.an('array');
expect(obj['function']).to.equal(null);
});
it('should delete deep paths', function(){
var obj = getTestObj();
var model = objectPath(obj);
expect(model.del()).to.be.equal(obj);
model.set('b.g.1.0', 'test');
model.set('b.g.1.1', 'test');
model.set('b.h.az', 'test');
expect(obj).to.have.deep.property('b.g.1.0','test');
expect(obj).to.have.deep.property('b.g.1.1','test');
expect(obj).to.have.deep.property('b.h.az','test');
model.del('b.h.az');
expect(obj).to.not.have.deep.property('b.h.az');
expect(obj).to.have.deep.property('b.h');
model.del('b.g.1.1');
expect(obj).to.not.have.deep.property('b.g.1.1');
expect(obj).to.have.deep.property('b.g.1.0','test');
model.del(['b','g','1','0']);
expect(obj).to.not.have.deep.property('b.g.1.0');
expect(obj).to.have.deep.property('b.g.1');
expect(model.del(['b'])).to.not.have.deep.property('b.g');
expect(obj).to.be.deep.equal({'a':'b'});
});
it('should insert value into existing array', function(){
var obj = getTestObj();
var model = objectPath(obj);
model.insert('b.c', 'asdf');
expect(obj).to.have.deep.property('b.c.0', 'asdf');
expect(obj).to.not.have.deep.property('b.c.1');
});
it('should test under shallow object', function() {
var obj = getTestObj();
var model = objectPath(obj);
expect(model.has('a')).to.be.true;
expect(model.has(['a'])).to.be.true;
expect(model.has('z')).to.be.false;
expect(model.has(['z'])).to.be.false;
});
});