Fix pcbnew drawings api

Add some basic tests

pcbnew/swig/board_item.i

@@ -134,10 +134,10 @@ static PCB_TARGET*           Cast_to_PCB_TARGET( BOARD_ITEM* );
             return Cast_to_CENTER_DIMENSION(self)
         elif ct=="ORTHOGONAL_DIMENSION":
             return Cast_to_ORTHOGONAL_DIMENSION(self)
-        elif ct=="DRAWSEGMENT":
+        elif ct=="PCB_SHAPE":
             return Cast_to_PCB_SHAPE(self)
         elif ct=="MGRAPHIC":
-            return Cast_to_FP_GRAPHIC(self)
+            return Cast_to_FP_SHAPE(self)
         elif ct=="MODULE":
             return Cast_to_MODULE(self)
         elif ct=="PCB_GROUP":

qa/testcases/test_001_pcb_load.py

@@ -40,6 +40,31 @@ class TestPCBLoad(unittest.TestCase):
     def test_pcb_netcount(self):
         self.assertEqual(self.pcb.GetNetCount(),51)
 
+    def test_pcb_shapes(self):
+        drawings = list(self.pcb.GetDrawings())
+        edge_cuts = [d for d in drawings if d.GetLayer() == pcbnew.Edge_Cuts]
+        coordinates = [[list(edge.GetStart()), list(edge.GetEnd())] for edge in edge_cuts]
+        expected_coordinates = [
+            [[88265000, 51816000], [188595000, 51816000]],
+            [[88265000, 131826000], [88265000, 51816000]],
+            [[188595000, 51816000], [188595000, 131826000]],
+            [[188595000, 131826000], [88265000, 131826000]]
+        ]
+        self.assertEqual(sorted(coordinates), sorted(expected_coordinates))
+
+    def test_pcb_text(self):
+        drawings = list(self.pcb.GetDrawings())
+        text = [d for d in drawings if d.GetClass() == "PTEXT"]
+        self.verify_text(text[0], 173355000, 68453000, pcbnew.F_Cu,
+                         u'Actionneur\nPiezo New Amp\nV02')
+        self.verify_text(text[1], 176149000, 64643000, pcbnew.B_Cu,
+                         u'Actionneur\nPiezo New Amp\nV02')
+
+    def verify_text(self, text, x, y, layer, s):
+        self.assertEquals(list(text.GetPosition()), [x, y])
+        self.assertEquals(text.GetLayer(), layer)
+        self.assertEquals(text.GetText(), s)
+
     #def test_interactive(self):
     #    code.interact(local=locals())