Add benchmark for SelectionScene

src/mcedit2/test/time_selectionrender.py

@@ -0,0 +1,28 @@
+"""
+    time_selectionrender
+"""
+from __future__ import absolute_import, division, print_function
+import logging
+import timeit
+from PySide import QtGui
+from mcedit2.rendering.selection import SelectionScene
+from mceditlib.selection import ShapedSelection, SphereShape
+from mceditlib.selection import BoundingBox
+
+log = logging.getLogger(__name__)
+
+def main():
+    app = QtGui.QApplication([])
+    selection = ShapedSelection(BoundingBox((0, 0, 0), (63, 63, 63)), SphereShape)
+    scene = SelectionScene()
+    def timeBuild():
+        scene.selection = selection
+        for _ in scene.loadSections():
+            pass
+
+    duration = timeit.timeit(timeBuild, number=1) * 1000
+    print("timeBuild x1 in %0.2fms (%0.3fms per chunk)" % (duration, duration / selection.chunkCount))
+
+
+if __name__ == '__main__':
+    main()