Skip tests when numpy is not available (#193)

Author: bnavigator

sdl2/test/sdl2ext_draw_test.py

@@ -6,6 +6,11 @@
 from sdl2.ext.compat import ExperimentalWarning
 from sdl2 import ext as sdl2ext
 
+try:
+    import numpy
+    _HASNUMPY = True
+except:
+    _HASNUMPY = False
 
 class TestSDL2ExtDraw(object):
     __tags__ = ["sdl", "sdl2ext"]
@@ -21,6 +26,7 @@ def setup_class(cls):
     def teardown_class(cls):
         sdl2ext.quit()
 
+    @pytest.mark.skipif(not _HASNUMPY, reason="pixels3d requires numpy module")
     def test_fill(self):
         # Initialize colour and surface/view
         WHITE = (255, 255, 255)
@@ -63,6 +69,7 @@ def test_fill(self):
         with pytest.raises(ValueError):
             sdl2ext.fill(sf.contents, WHITE, (1, 2, 3))
 
+    @pytest.mark.skipif(not _HASNUMPY, reason="pixels3d requires numpy module")
     def test_line(self):
         # Initialize colour and surface/view
         WHITE = (255, 255, 255)

sdl2/test/sdl2ext_font_test.py

@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 import pytest
-import numpy as np
 from sdl2 import ext as sdl2ext
 from sdl2.ext.compat import byteify, ExperimentalWarning
 from sdl2.ext.pixelaccess import pixels2d
@@ -46,7 +45,7 @@ def test_BitmapFont(self):
         # Try SDL_Surface surface
         font = sdl2ext.BitmapFont(sf.contents, (32, 32), FONTMAP)
         assert font.size == (32, 32)
-        
+
         # Try SDL_Surface pointer surface
         font = sdl2ext.BitmapFont(sf, (32, 32), FONTMAP)
         assert font.size == (32, 32)
@@ -72,6 +71,7 @@ def test_BitmapFont_render(self):
             font.render("this_should_fail")
 
     def test_BitmapFont_render_on(self):
+        np = pytest.importorskip("numpy", reason="numpy module is not available")
         # Initialize font, surface, and BitmapFont for tests
         fontpath = byteify(RESOURCES.get_path("font.bmp"), "utf-8")
         sf = surface.SDL_LoadBMP(fontpath)