'use strict'

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

describe 'src/document neft:use', ->
    it 'is replaced by neft:fragment', ->
        view = createView """
            <neft:fragment neft:name="a"><b></b></neft:fragment>
            <neft:use neft:fragment="a" />
        """
        view = view.clone()

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

    it 'is replaced in neft:fragment', ->
        source = createView """
            <neft:fragment neft:name="b">1</neft:fragment>
            <neft:fragment neft:name="a"><neft:use neft:fragment="b" /></neft:fragment>
            <neft:use neft:fragment="a" />
        """
        view = source.clone()

        renderParse view
        assert.is view.node.stringify(), '1'

    it 'can be rendered recursively', ->
        source = createView """
            <neft:fragment neft:name="a">
                1
                <neft:use neft:fragment="a" neft:if="${props.loops > 0}" loops="${props.loops - 1}" />
            </neft:fragment>
            <neft:use neft:fragment="a" loops="3" />
        """
        view = source.clone()

        renderParse view
        assert.is view.node.stringify(), '1111'

    it 'can be rendered using short use: syntax', ->
        view = createView """
            <neft:fragment neft:name="a-b"><b></b></neft:fragment>
            <use:a-b />
        """
        view = view.clone()

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