added test for single nuc context

test/spec/NucleotideDensityPlugin.spec.js

@@ -2,17 +2,21 @@ require([
  'dojo/_base/declare',
  'dojo/_base/array',
  'JBrowse/Browser',
+ 'JBrowse/Store/SeqFeature/SequenceChunks',
  'NucleotideDensityPlugin/View/ColorHandler',
  'NucleotideDensityPlugin/View/Track/NucleotideDensity',
  'NucleotideDensityPlugin/Store/SeqFeature/NucDensity',
+ 'NucleotideDensityPlugin/Store/SeqFeature/NucDensityMulti',
  'NucleotideDensityPlugin/Store/Util'
  ], function(
  declare,
  array,
  Browser,
+ SequenceChunks,
  ColorHandler,
  nucDensTrack,
  nucDensStore,
+ nucDensMultiStore,
  nucDensUtil
  ) {
 
@@ -108,5 +112,58 @@ require([
  });
  }); // end test color handler
 
+ describe('test stores', function(){
+ var browser = new Browser({unitTestMode: true});
+ browser.refSeq = {
+ length: 500001
+ };
+ var seqstore = new SequenceChunks({
+ urlTemplate: "../data/seq/{refseq_dirpath}/{refseq}-",
+ refSeq: { name: 'Chr5', start: 0, end: 50001 },
+ label: "refseqs",
+ browser: browser
+ });
+ describe('test single store', function(){
+ var store = nucDensStore({
+ store: seqstore,
+ browser: browser,
+ windowSize: 2000,
+ windowDelta: 2000,
+ nuc: 'TA',
+ label: 'single.nucleotide.density.track'
+ });
+ var features = [];
+ beforeEach(function(done){
+ store.getFeatures({ref:'Chr5', start: 0, end: 12001}, function(feature){
+ features.push(feature);
+ }, function(){
+ done();
+ }, function(error){
+ console.error(error);
+ done();
+ });
+ });
+ afterEach(function(){
+ features = [];
+ });
+
+ it('store exists', function(){
+ expect(store).toBeTruthy();
+ });
+ it('features length', function(){
+ //console.log(JSON.stringify(features));
+ expect(features.length).toBe(6);
+ });
+ it('features values', function(){
+ var scores = array.map(features, function(feat){ return feat.score; });
+ var expected = [0.062, 0.1015, 0.1165, 0.1085, 0.0885, 0.0895];
+ for(var i=0; i < scores.length; i++){
+ expect(scores[i]).toBeClose(expected[i],3);
+ }
+ });
+
+ });
+ });
+
 });