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

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

suite ".transformAll()", ()->
	suiteSetup(restartSandbox)
	test "Behaves the same way as .transform() does, except it applies the transform to all of the declared subscribers", ()->
		dispatcher = 'value': 'current'

		objectA.prop = objectC.prop = objectC.prop = ''

		SimplyBind('value').of(dispatcher)
			.to('prop').of(objectA)
			.and.to('prop').of(objectB)
			.and.to('prop').of(objectC)
				.transformAll (newValue, currentValue)-> newValue+'+'+currentValue
		
		for value in [objectA.prop, objectB.prop, objectC.prop]
			expect(value).to.equal 'current+current'
		
		
		dispatcher.value = 'new'
		for value in [objectA.prop, objectB.prop, objectC.prop]
			expect(value).to.equal 'new+current+current'
		
		
		dispatcher.value = 'newer'
		for value in [objectA.prop, objectB.prop, objectC.prop]
			expect(value).to.equal 'newer+new+current+current'

		restartSandbox()



	test "Will allow additional binding subscribers after being called", ()->
		expect(()->
			SimplyBind('prop1').of(objectA)
				.to('prop1').of(objectB)
				.and.to('prop2').of(objectB)
				.and.to('prop3').of(objectB)
					.transformAll (value)-> value
				.and.to('prop4').of(objectB)
		).not.to.throw()