Fixed an error in the JavascriptResponseTest: coffee files

were not being compiled before the LoncapaProblem initializer was
called.

common/lib/capa/capa/tests/test_files/js/compiled/c9a9cd4242d84c924fe5f8324e9ae79d.js

-// Generated by CoffeeScript 1.3.3
-(function() {
-  var MinimaxProblemDisplay, root,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
-
-  MinimaxProblemDisplay = (function(_super) {
-
-    __extends(MinimaxProblemDisplay, _super);
-
-    function MinimaxProblemDisplay(state, submission, evaluation, container, submissionField, parameters) {
-      this.state = state;
-      this.submission = submission;
-      this.evaluation = evaluation;
-      this.container = container;
-      this.submissionField = submissionField;
-      this.parameters = parameters != null ? parameters : {};
-      MinimaxProblemDisplay.__super__.constructor.call(this, this.state, this.submission, this.evaluation, this.container, this.submissionField, this.parameters);
-    }
-
-    MinimaxProblemDisplay.prototype.render = function() {};
-
-    MinimaxProblemDisplay.prototype.createSubmission = function() {
-      var id, value, _ref, _results;
-      this.newSubmission = {};
-      if (this.submission != null) {
-        _ref = this.submission;
-        _results = [];
-        for (id in _ref) {
-          value = _ref[id];
-          _results.push(this.newSubmission[id] = value);
-        }
-        return _results;
-      }
-    };
-
-    MinimaxProblemDisplay.prototype.getCurrentSubmission = function() {
-      return this.newSubmission;
-    };
-
-    return MinimaxProblemDisplay;
-
-  })(XProblemDisplay);
-
-  root = typeof exports !== "undefined" && exports !== null ? exports : this;
-
-  root.TestProblemDisplay = TestProblemDisplay;
-
-}).call(this);
-;

common/lib/capa/capa/tests/test_files/js/compiled/javascriptresponse.js

-// Generated by CoffeeScript 1.3.3
-(function() {
-  var MinimaxProblemDisplay, root,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
-
-  MinimaxProblemDisplay = (function(_super) {
-
-    __extends(MinimaxProblemDisplay, _super);
-
-    function MinimaxProblemDisplay(state, submission, evaluation, container, submissionField, parameters) {
-      this.state = state;
-      this.submission = submission;
-      this.evaluation = evaluation;
-      this.container = container;
-      this.submissionField = submissionField;
-      this.parameters = parameters != null ? parameters : {};
-      MinimaxProblemDisplay.__super__.constructor.call(this, this.state, this.submission, this.evaluation, this.container, this.submissionField, this.parameters);
-    }
-
-    MinimaxProblemDisplay.prototype.render = function() {};
-
-    MinimaxProblemDisplay.prototype.createSubmission = function() {
-      var id, value, _ref, _results;
-      this.newSubmission = {};
-      if (this.submission != null) {
-        _ref = this.submission;
-        _results = [];
-        for (id in _ref) {
-          value = _ref[id];
-          _results.push(this.newSubmission[id] = value);
-        }
-        return _results;
-      }
-    };
-
-    MinimaxProblemDisplay.prototype.getCurrentSubmission = function() {
-      return this.newSubmission;
-    };
-
-    return MinimaxProblemDisplay;
-
-  })(XProblemDisplay);
-
-  root = typeof exports !== "undefined" && exports !== null ? exports : this;
-
-  root.TestProblemDisplay = TestProblemDisplay;
-
-}).call(this);
-;

common/lib/capa/capa/tests/test_responsetypes.py

@@ -575,16 +575,16 @@ class JavascriptResponseTest(ResponseTest):
     xml_factory_class = JavascriptResponseXMLFactory
 
     def test_grade(self):
+        # Compile coffee files into javascript used by the response
+        coffee_file_path = os.path.dirname(__file__) + "/test_files/js/*.coffee"
+        os.system("coffee -c %s" % (coffee_file_path))
+
         problem = self.build_problem(generator_src="test_problem_generator.js",
                                     grader_src="test_problem_grader.js",
                                     display_class="TestProblemDisplay",
                                     display_src="test_problem_display.js",
                                     param_dict={'value': '4'})
 
-        # Compile coffee files into javascript used by the response
-        coffee_file_path = os.path.dirname(__file__) + "/test_files/js/*.coffee"
-        os.system("coffee -c %s" % (coffee_file_path))
-
         # Test that we get graded correctly
         self.assert_grade(problem, json.dumps({0:4}), "correct")
         self.assert_grade(problem, json.dumps({0:5}), "incorrect")