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#!/usr/bin/env python
##########################################################################
#
# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sub license, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice (including the
# next paragraph) shall be included in all copies or substantial portions
# of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
##########################################################################
"""Base classes for tests.
Loosely inspired on Python's unittest module.
"""
import sys
from gallium import *
# Enumerate all pixel formats
formats = {}
for name, value in globals().items():
if name.startswith("PIPE_FORMAT_") and isinstance(value, int):
formats[value] = name
def make_image(width, height, rgba):
import Image
outimage = Image.new(
mode='RGB',
size=(width, height),
color=(0,0,0))
outpixels = outimage.load()
for y in range(0, height):
for x in range(0, width):
offset = (y*width + x)*4
r, g, b, a = [int(min(max(rgba[offset + ch], 0.0), 1.0)*255) for ch in range(4)]
outpixels[x, y] = r, g, b
return outimage
def save_image(width, height, rgba, filename):
outimage = make_image(width, height, rgba)
outimage.save(filename, "PNG")
def show_image(width, height, **rgbas):
import Tkinter as tk
from PIL import Image, ImageTk
root = tk.Tk()
x = 64
y = 64
labels = rgbas.keys()
labels.sort()
for i in range(len(labels)):
label = labels[i]
outimage = make_image(width, height, rgbas[label])
if i:
window = tk.Toplevel(root)
else:
window = root
window.title(label)
image1 = ImageTk.PhotoImage(outimage)
w = image1.width()
h = image1.height()
window.geometry("%dx%d+%d+%d" % (w, h, x, y))
panel1 = tk.Label(window, image=image1)
panel1.pack(side='top', fill='both', expand='yes')
panel1.image = image1
x += w + 2
root.mainloop()
class TestFailure(Exception):
pass
class TestSkip(Exception):
pass
class Test:
def __init__(self):
pass
def _run(self, result):
raise NotImplementedError
def run(self):
result = TestResult()
self._run(result)
result.summary()
def assert_rgba(self, surface, x, y, w, h, expected_rgba, pixel_tol=4.0/256, surface_tol=0.85):
total = h*w
different = surface.compare_tile_rgba(x, y, w, h, expected_rgba, tol=pixel_tol)
if different:
sys.stderr.write("%u out of %u pixels differ\n" % (different, total))
if float(total - different)/float(total) < surface_tol:
if 0:
rgba = FloatArray(h*w*4)
surface.get_tile_rgba(x, y, w, h, rgba)
show_image(w, h, Result=rgba, Expected=expected_rgba)
save_image(w, h, rgba, "result.png")
save_image(w, h, expected_rgba, "expected.png")
#sys.exit(0)
raise TestFailure
class TestCase(Test):
tags = ()
def __init__(self, dev, **kargs):
Test.__init__(self)
self.dev = dev
self.__dict__.update(kargs)
def description(self):
descriptions = []
for tag in self.tags:
try:
method = getattr(self, '_describe_' + tag)
except AttributeError:
description = str(getattr(self, tag, None))
else:
description = method()
if description is not None:
descriptions.append(tag + '=' + description)
return ' '.join(descriptions)
def _describe_target(self):
return {
PIPE_TEXTURE_1D: "1d",
PIPE_TEXTURE_2D: "2d",
PIPE_TEXTURE_3D: "3d",
PIPE_TEXTURE_CUBE: "cube",
}[self.target]
def _describe_format(self):
name = formats[self.format]
if name.startswith('PIPE_FORMAT_'):
name = name[12:]
name = name.lower()
return name
def _describe_face(self):
if self.target == PIPE_TEXTURE_CUBE:
return {
PIPE_TEX_FACE_POS_X: "+x",
PIPE_TEX_FACE_NEG_X: "-x",
PIPE_TEX_FACE_POS_Y: "+y",
PIPE_TEX_FACE_NEG_Y: "-y",
PIPE_TEX_FACE_POS_Z: "+z",
PIPE_TEX_FACE_NEG_Z: "-z",
}[self.face]
else:
return None
def test(self):
raise NotImplementedError
def _run(self, result):
result.test_start(self)
try:
self.test()
except KeyboardInterrupt:
raise
except TestSkip:
result.test_skipped(self)
except TestFailure:
result.test_failed(self)
else:
result.test_passed(self)
class TestSuite(Test):
def __init__(self, tests = None):
Test.__init__(self)
if tests is None:
self.tests = []
else:
self.tests = tests
def add_test(self, test):
self.tests.append(test)
def _run(self, result):
for test in self.tests:
test._run(result)
class TestResult:
def __init__(self):
self.tests = 0
self.passed = 0
self.skipped = 0
self.failed = 0
self.failed_descriptions = []
def test_start(self, test):
self.tests += 1
print "Running %s..." % test.description()
def test_passed(self, test):
self.passed += 1
print "PASS"
def test_skipped(self, test):
self.skipped += 1
print "SKIP"
def test_failed(self, test):
self.failed += 1
self.failed_descriptions.append(test.description())
print "FAIL"
def summary(self):
print "%u tests, %u passed, %u skipped, %u failed" % (self.tests, self.passed, self.skipped, self.failed)
for description in self.failed_descriptions:
print " %s" % description
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