scaling and display tests

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/test_scaling.py b/tests/test_scaling.py
new file mode 100644
index 0000000..170dbab
--- /dev/null
+++ b/tests/test_scaling.py
@@ -0,0 +1,24 @@
+import unittest
+
+from display import Scaling, INTERNAL_HEIGHT, INTERNAL_WIDTH
+
+class TestScaling(unittest.TestCase):
+    def test_update_scaling(self):
+        Scaling.update_scaling((100,400))
+        self.assertEqual((100,400), Scaling.resolution)
+        self.assertEqual((100//2,400//2), Scaling.center)
+        self.assertEqual((100/INTERNAL_WIDTH), Scaling.factor)
+        self.assertEqual(0, Scaling.left)
+        Scaling.update_scaling((400,100))
+        self.assertEqual((100/INTERNAL_HEIGHT), Scaling.factor)
+        self.assertEqual(0, Scaling.top)
+        
+    def test_scale_functions(self):
+        Scaling.update_scaling((1000,1000))
+        s = Scaling.scale_to_display(Scaling.scale_to_internal((400,500)))
+        self.assertAlmostEqual(400, s[0], delta = 0.1)
+        self.assertAlmostEqual(500, s[1], delta = 0.1)
+        
+    
+        
+    
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