interactive-shader-format-for-modv/tests/upgrader-test.js

Rendering engine for Interactive Shader Format effects and generators

var test = require('tape')
var fs = require('fs')
var ISFUpgrader = require('../src/ISFUpgrader')
var Parser = require('../src/ISFParser')

function assetLoad(name) {
	return fs.readFileSync('./tests/assets/' + name).toString()
}

test('Upgrade fragment shader to v2', (t) => {
	var old = assetLoad('version1.fs')
	var upgraded = ISFUpgrader.convertFragment(old)
	t.equal(upgraded, assetLoad('version1.upgraded.fs'), "upgraded correctly")
	t.end()
})

test('Upgrade vertex shader to v2', (t) => {
	var old = assetLoad('version1.vs')
	var upgraded = ISFUpgrader.convertVertex(old)
	t.equal(upgraded, assetLoad('version1.upgraded.vs'), "upgraded correctly")
	t.end()
})

test('Infer ISF Versioning', function(t) {
	var v1 = assetLoad('version1.fs')
	var parser = new Parser()
	parser.parse(v1)
	t.equal(parser.isfVersion, 1, "Properly detect v1 with PERSISTENT_BUFFERS")

	var v1 = assetLoad('version1_basic.fs')
	var parser = new Parser()
	parser.parse(v1)
	t.equal(parser.isfVersion, 1, "Properly detect v1 without PERSISTENT_BUFFERS")

	var v2 = assetLoad('version1.upgraded.fs')
	parser = new Parser()
	parser.parse(v2)
	t.equal(parser.isfVersion, 2, "Properly detect v2")
	t.end()
})