Infrastructure for rendering cells in the test suite

kitty_tests/fonts.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+# vim:fileencoding=utf-8
+# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
+
+from collections import OrderedDict
+
+from kitty.fast_data_types import set_send_sprite_to_gpu
+from kitty.fonts.render import set_font_family
+
+from . import BaseTest
+
+
+class Rendering(BaseTest):
+
+    sprites = OrderedDict()
+
+    @classmethod
+    def setUpClass(cls):
+        def send_to_gpu(x, y, z, data):
+            cls.sprites[(x, y, z)] = data
+
+        set_send_sprite_to_gpu(send_to_gpu)
+        cls.cell_width, cls.cell_height = set_font_family(override_dpi=(96.0, 96.0))
+
+    @classmethod
+    def tearDownClass(cls):
+        set_send_sprite_to_gpu(None)
+        cls.sprites.clear()
+
+    def setUp(self):
+        self.sprites.clear()
+
+    def tearDown(self):
+        self.sprites.clear()
+
+    def test_box_drawing(self):
+        pass