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-#!/usr/bin/env python
-##########################################################################
-#
-# Copyright 2009 VMware, Inc.
-# 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 VMWARE 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 os.path
-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) and name not in ("PIPE_FORMAT_NONE", "PIPE_FORMAT_COUNT"):
- 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, ctx, surface, x, y, w, h, expected_rgba, pixel_tol=4.0/256, surface_tol=0.85):
- total = h*w
- different = ctx.surface_compare_rgba(surface, 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)
- ctx.surface_read_rgba(surface, 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:
- value = self.get(tag)
- if value is not None and value != '':
- descriptions.append(tag + '=' + str(value))
- return ' '.join(descriptions)
-
- def get(self, tag):
- try:
- method = getattr(self, '_get_' + tag)
- except AttributeError:
- return getattr(self, tag, None)
- else:
- return method()
-
- def _get_target(self):
- return {
- PIPE_TEXTURE_1D: "1d",
- PIPE_TEXTURE_2D: "2d",
- PIPE_TEXTURE_3D: "3d",
- PIPE_TEXTURE_CUBE: "cube",
- }[self.target]
-
- def _get_format(self):
- name = formats[self.format]
- if name.startswith('PIPE_FORMAT_'):
- name = name[12:]
- name = name.lower()
- return name
-
- def _get_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 ''
-
- 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.names = ['result']
- self.types = ['pass skip fail']
- self.rows = []
-
- def test_start(self, test):
- sys.stdout.write("Running %s...\n" % test.description())
- sys.stdout.flush()
- self.tests += 1
-
- def test_passed(self, test):
- sys.stdout.write("PASS\n")
- sys.stdout.flush()
- self.passed += 1
- self.log_result(test, 'pass')
-
- def test_skipped(self, test):
- sys.stdout.write("SKIP\n")
- sys.stdout.flush()
- self.skipped += 1
- #self.log_result(test, 'skip')
-
- def test_failed(self, test):
- sys.stdout.write("FAIL\n")
- sys.stdout.flush()
- self.failed += 1
- self.log_result(test, 'fail')
-
- def log_result(self, test, result):
- row = ['']*len(self.names)
-
- # add result
- assert self.names[0] == 'result'
- assert result in ('pass', 'skip', 'fail')
- row[0] = result
-
- # add tags
- for tag in test.tags:
- value = test.get(tag)
-
- # infer type
- if value is None:
- continue
- elif isinstance(value, (int, float)):
- value = str(value)
- type = 'c' # continous
- elif isinstance(value, basestring):
- type = 'd' # discrete
- else:
- assert False
- value = str(value)
- type = 'd' # discrete
-
- # insert value
- try:
- col = self.names.index(tag, 1)
- except ValueError:
- self.names.append(tag)
- self.types.append(type)
- row.append(value)
- else:
- row[col] = value
- assert self.types[col] == type
-
- self.rows.append(row)
-
- def summary(self):
- sys.stdout.write("%u tests, %u passed, %u skipped, %u failed\n\n" % (self.tests, self.passed, self.skipped, self.failed))
- sys.stdout.flush()
-
- name, ext = os.path.splitext(os.path.basename(sys.argv[0]))
- filename = name + '.tsv'
- stream = file(filename, 'wt')
-
- # header
- stream.write('\t'.join(self.names) + '\n')
- stream.write('\t'.join(self.types) + '\n')
- stream.write('class\n')
-
- # rows
- for row in self.rows:
- row += ['']*(len(self.names) - len(row))
- stream.write('\t'.join(row) + '\n')
-
- stream.close()
-
- # See http://www.ailab.si/orange/doc/ofb/c_otherclass.htm
- try:
- import orange
- import orngTree
- except ImportError:
- sys.stderr.write('Install Orange from http://www.ailab.si/orange/ for a classification tree.\n')
- return
-
- data = orange.ExampleTable(filename)
-
- tree = orngTree.TreeLearner(data, sameMajorityPruning=1, mForPruning=2)
-
- orngTree.printTxt(tree, maxDepth=4)
-
- file(name+'.txt', 'wt').write(orngTree.dumpTree(tree))
-
- orngTree.printDot(tree, fileName=name+'.dot', nodeShape='ellipse', leafShape='box')
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