kc3-lang/harfbuzz/test/subset/subset_test_suite.py

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• Hash : 5241d7f4
  Author :
  Date : 2018-02-27T13:15:40
  

  [subset] apply subset profiles (flags) to the subset integration tests.
  

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• test/subset/subset_test_suite.py

• #!/usr/bin/env python
  
  import io
  import os
  
  # A single test in a subset test suite. Identifies a font
  # a subsetting profile, and a subset to be cut.
  class Test:
  	def __init__(self, font_path, profile_path, subset):
  		self.font_path = font_path
  		self.profile_path = profile_path
  		self.subset = subset
  
  	def unicodes(self):
  		return ",".join("%X" % ord(c) for (i, c) in enumerate(self.subset))
  
  	def get_profile_flags(self):
  		with io.open(self.profile_path, mode="r", encoding="utf-8") as f:
  		    return f.read().splitlines();
  
  	def get_font_name(self):
  		font_base_name = os.path.basename(self.font_path)
  		font_base_name_parts = os.path.splitext(font_base_name)
  		profile_name = os.path.splitext(os.path.basename(self.profile_path))[0]
  
  		return "%s.%s.%s%s" % (font_base_name_parts[0],
  				       profile_name,
  				       self.unicodes(),
  				       font_base_name_parts[1])
  
  # A group of tests to perform on the subsetter. Each test
  # Identifies a font a subsetting profile, and a subset to be cut.
  class SubsetTestSuite:
  
  	def __init__(self, test_path, definition):
  		self.test_path = test_path
  		self.fonts = set()
  		self.profiles = set()
  		self.subsets = set()
  		self._parse(definition)
  
  	def get_output_directory(self):
  		test_name = os.path.splitext(os.path.basename(self.test_path))[0]
  		data_dir = os.path.join(os.path.dirname(self.test_path), "..")
  
  		output_dir = os.path.normpath(os.path.join(data_dir, "expected", test_name))
  		if not os.path.exists(output_dir):
  			os.mkdir(output_dir)
  		if not os.path.isdir(output_dir):
  			raise Error("%s is not a directory." % output_dir)
  
  		return output_dir
  
  	def tests(self):
  		for font in self.fonts:
  			font = os.path.join(self._base_path(), "fonts", font)
  			for profile in self.profiles:
  				profile = os.path.join(self._base_path(), "profiles", profile)
  				for subset in self.subsets:
  					yield Test(font, profile, subset)
  
  	def _base_path(self):
  		return os.path.dirname(os.path.dirname(self.test_path))
  
  	def _parse(self, definition):
  		destinations = {
  				"FONTS:": self.fonts,
  				"PROFILES:": self.profiles,
  				"SUBSETS:": self.subsets
  		}
  
  		current_destination = None
  		for line in definition.splitlines():
  			line = line.strip()
  
  			if line.startswith("#"):
  				continue
  
  			if not line:
  				continue
  
  			if line in destinations:
  				current_destination = destinations[line]
  			elif current_destination is not None:
  				current_destination.add(line)
  			else:
  				raise Exception("Failed to parse test suite file.")
  

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