interactive-shader-format/tests/parser-test.js

Rendering engine for Interactive Shader Format effects and generators

var test = require('tape');
var fs = require('fs');
var ISFParser = require('../dist/build-worker').interactiveShaderFormat.Parser;

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

test('Infer Generator Type', function(t) {
  var src = assetLoad('generator.fs');

  var parser = new ISFParser();
  parser.parse(src);

  t.equal(parser.type, 'generator', 'Generator type detected');
  t.end();
})

test('Infer Filter Type', function(t) {
  var src = assetLoad('image-filter.fs');

  var parser = new ISFParser();
  parser.parse(src);

  t.equal(parser.type, 'filter', 'Image filter type detected');
  t.end();
})

test('Infer Transition Type', function(t) {
  var src = assetLoad('transition.fs');

  var parser = new ISFParser();
  parser.parse(src);

  t.equal(parser.type, 'transition', 'Transition type detected');
  t.end();
})

test('Buffers correctly marked as persistent', function(t) {
  var src = assetLoad('persistent-buffers.fs');

  var parser = new ISFParser();
  parser.parse(src);

  var passes = parser.passes;

  for (var i = 0; i < passes.length - 1; i++) {
    t.equal(passes[i].persistent, true, 'Persistent buffers interpreted as such');
  }

  t.equal(passes[passes.length - 1].persistent, false, 'Non persistent buffered interpreted as such');
  t.end();
})

test('Bad metadata gives error line', function(t) {
  var src = assetLoad('bad-metadata.fs');
  var parser = new ISFParser();
  // t.throws(function() {
    parser.parse(src);
  // })
  t.equal(0, 0);
  t.end();
});