Setup UI testing (#720)

* default sequencer ui test

* default step ui test suite

* intermediate step ui test

* preview ui test suite

* url methods test suite

* add set url params method test suite

* argument call tests

* test directory refactor

* travis fix

test/core/modules/testModule/Module.js

@@ -0,0 +1,33 @@
+module.exports = function Dynamic(options, UI, util) {
+  // Tests for functions that are available inside modules only
+
+  var output;
+
+  // This function is called on every draw.
+  function draw(input, callback) {
+
+    var step = this;
+
+    if (this.getPreviousStep().options.name != "invert") throw new Error("getPreviousStep not working");
+    if (this.getNextStep().options.name != "invert") throw new Error("getNextStep not working");
+    if (this.getInput(0) != this.getOutput(-1)) throw new Error("getInput and getOuput now working")
+    if (this.getFormat() != "jpeg") throw new Error("getFormat not working");
+    if (this.getOptions().name != "test") throw new Error("getOptions not working");
+    this.setOptions({ name: "test-1" });
+    if (this.getOptions().name != "test-1") throw new Error("setOptions not working not working");
+    this.getHeight(((h) => { if (h != 16) throw new Error("getHeight not working") }));
+    this.getWidth((w) => { if (w != 16) throw new Error("getWidth not working") });
+
+    function output(image, datauri, mimetype) {
+      step.output = input;
+    }
+
+  }
+
+  return {
+    options: options,
+    draw: draw,
+    output: output,
+    UI: UI
+  }
+}

test/core/modules/testModule/info.json

@@ -0,0 +1,5 @@
+{
+    "name": "test",
+    "description": "Functions that are scoped inside modules are tested with this. This Module is dynamically loaded.",
+    "inputs": {}
+}