Added a simple course for testing the grading functions.

common/test/data/graded/README.md

+This is a very very simple course, useful for initial debugging of processing code.

common/test/data/graded/course.xml

+roots/2012_Fall.xml
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common/test/data/graded/course/2012_Fall.xml

+<course>
+  <chapter url_name="GradedChapter">
+    
+    <vertical url_name="Homework1">
+      <problem url_name="H1P1">
+        <optionresponse>
+          <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+          <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+        </optionresponse>
+      </problem>
+      
+      <abtest experiment="HiddenProblem">
+        <group name="SeeProblem" portion="1">
+          
+          <problem url_name="H1P2">
+            <optionresponse>
+              <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+              <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+            </optionresponse>
+          </problem>
+          
+        </group>
+        
+        <group name="HiddenProblem" portion="0">
+          
+          <problem url_name="H1P3">
+            <optionresponse>
+              <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+              <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+            </optionresponse>
+          </problem>
+          
+        </group>
+
+      </abtest>
+    </vertical>
+    
+    
+    <videosequence url_name="Homework2">
+      <vertical url_name="Homework2Inner">
+        
+        <problem url_name="H2P1">
+          <optionresponse>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+          </optionresponse>
+        </problem>
+
+        <problem url_name="H2P2">
+          <optionresponse>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+          </optionresponse>
+        </problem>
+
+      </vertical>
+    </videosequence>
+    
+    <videosequence url_name="Homework3">
+      <vertical url_name="Homework3Inner">
+        
+        <problem url_name="H3P1">
+          <optionresponse>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+          </optionresponse>
+        </problem>
+
+        <problem url_name="H3P2">
+          <optionresponse>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+            <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+          </optionresponse>
+        </problem>
+        
+      </vertical>
+    </videosequence>
+    
+    <problem url_name="FinalQuestion">
+      <optionresponse>
+        <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+        <optioninput options="('Correct', 'Incorrect')" correct="Correct"></optioninput>
+      </optionresponse>
+    </problem>
+    
+  </chapter>
+</course>

common/test/data/graded/graded

+graded
\ No newline at end of file

common/test/data/graded/grading_policy.json

+{
+  "GRADER" : [
+    {
+      "type" : "Homework",
+      "min_count" : 3,
+      "drop_count" : 1,
+      "short_label" : "HW",
+      "weight" : 0.5
+    },
+    {
+      "type" : "Final",
+      "name" : "Final Question",
+      "short_label" : "Final",
+      "weight" : 0.5
+    }
+  ],
+  "GRADE_CUTOFFS" : {
+    "A" : 0.8,
+    "B" : 0.7,
+    "C" : 0.6
+  }
+}

common/test/data/graded/policies/2012_Fall.json

+{
+    "course/2012_Fall": {
+        "graceperiod": "2 days 5 hours 59 minutes 59 seconds",
+        "start": "2010-07-17T12:00",
+        "display_name": "Graded Course",
+        "graded": "true"
+    },
+	
+	
+    "vertical/Homework1": {
+        "display_name": "Homework 1", 
+        "graded": true, 
+        "format": "Homework"
+    },
+	
+	
+    "videosequence/Homework2": {
+        "display_name": "Homework 2", 
+        "graded": true, 
+        "format": "Homework"
+    },
+	
+    "videosequence/Homework3": {
+        "display_name": "Homework 3", 
+        "graded": true, 
+        "format": "Homework"
+    },
+
+	
+    "vertical/Homework1": {
+        "display_name": "Homework 1", 
+        "graded": true, 
+        "format": "Homework"
+    },
+	
+    "problem/FinalQuestion": {
+        "display_name": "Final Question", 
+        "graded": true, 
+        "format": "Final"
+    },
+	
+    "chapter/Overview": {
+        "display_name": "Overview"
+    }
+
+}

common/test/data/graded/roots/2012_Fall.xml

+<course org="edX" course="toy" url_name="2012_Fall"/>
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