neft/tests/src/document/condition.coffee

JavaScript. Everywhere.

'use strict'

{assert, unit} = Neft
{describe, it} = unit
{createView, renderParse} = require './utils'

describe 'src/document neft:if', ->
    it 'works with positive expression', ->
        source = createView '<div><b neft:if="${2 > 1}">1</b></div>'
        view = source.clone()

        renderParse view
        assert.is view.node.stringify(), '<div><b>1</b></div>'

    it 'works with negative expression', ->
        source = createView '<div><b neft:if="${1 > 2}">1</b></div>'
        view = source.clone()

        renderParse view
        assert.is view.node.stringify(), '<div></div>'

    it 'supports runtime updates', ->
        source = createView """
            <neft:fragment neft:name="a">
                <b neft:if="${props.x > 1}">OK</b>
                <b neft:if="${props.x === 1}">FAIL</b>
            </neft:fragment>
            <neft:use neft:fragment="a" x="1" />
        """
        view = source.clone()
        elem = view.node.children[0]

        renderParse view
        assert.is view.node.stringify(), '<b>FAIL</b>'
        elem.attrs.set 'x', 2
        assert.is view.node.stringify(), '<b>OK</b>'