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objects.js
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objects.js
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var _ = require('lodash');
var expect = require('chai').expect;
var $observe = require('../src/obsvr');
describe('$observe - objects', function() {
it('should detect object change via key setting', function() {
var scope = {
obj: {key: 'val'},
};
var calledKeys = {};
var observer = $observe(scope, 'obj')
.on('key', (k, v) => {
expect(k).to.equal('key');
expect(v).to.equal('val2');
})
.on('path', (k, v) => {
calledKeys[k] = true;
expect(k).to.equal('key');
expect(v).to.equal('val2');
})
.on('path', (p, v) => expect(p).to.be.equal('key'))
.on('change', v => expect(v).to.deep.equal({key: 'val2'}))
scope.obj.key = 'val2';
observer.check();
expect(calledKeys).to.be.deep.equal({key: true});
});
it('should detect new keys', function() {
var scope = {
obj: {key: 'val'},
};
var calledKeys = {};
var calledPaths = {};
var observer = $observe(scope, 'obj')
.on('key', (k, v) => calledKeys[k] = true)
.on('path', (p, v) => calledPaths[p] = true)
.on('change', v => expect(v).to.deep.equal({key: 'val', key2: 'val2'}))
scope.obj.key2 = 'val2';
observer.check();
expect(calledKeys).to.be.deep.equal({key2: true});
expect(calledPaths).to.be.deep.equal({key2: true});
});
});