@danielkalen/simplybind/test/specs/stage-2-methods/chainTo.coffee

Magically simple, framework-less one-way/two-way data binding for frontend/backend in ~5kb.

suite ".chainTo()/.pipe()", ()->
	suiteSetup(restartSandbox)
	
	test "Helps create complex chainings", ()->
		outerstate = 
			'first': null
			'second': null
			'third': null
	
		objectA.prop1 = 'Hello World'
		SimplyBind('prop1').of(objectA)
			.to('prop1').of(objectB)
			.and.to('prop2').of(objectA)
			.and.to (val)-> outerstate.first = val
				.transformAll (val)-> val.toUpperCase()
			
			.chainTo('prop2').of(objectB)
				.and.to('prop3').of(objectA)
					.transform (val)-> val.toLowerCase()
			
					.chainTo('prop3').of(objectB)
						.and.to('prop4').of(objectA)
						.and.to (val)-> outerstate.second = val
			
						.chainTo('prop4').of(objectB)
							.and.to (val)-> outerstate.third = val.slice(0, 5)



		expect(outerstate.first).to.equal 'HELLO WORLD'
		expect(outerstate.second).to.equal 'hello world'
		expect(outerstate.third).to.equal 'hello'
		expect(objectA.prop1).to.equal 'Hello World'
		expect(objectA.prop2).to.equal 'HELLO WORLD'
		expect(objectB.prop1).to.equal 'HELLO WORLD'
		expect(objectB.prop2).to.equal 'HELLO WORLD'
		expect(objectA.prop3).to.equal 'hello world'
		expect(objectB.prop3).to.equal 'hello world'
		expect(objectA.prop4).to.equal 'hello world'
		expect(objectB.prop4).to.equal 'hello world'
		restartSandbox()