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#!/usr/bin/env python
#
# Copyright 2013 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
'''
Tests for font-subset
'''
import filecmp
import os
import subprocess
import sys
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
SRC_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, '..', '..', '..'))
MATERIAL_TTF = os.path.join(SCRIPT_DIR, 'fixtures', 'MaterialIcons-Regular.ttf')
IS_WINDOWS = sys.platform.startswith(('cygwin', 'win'))
EXE = '.exe' if IS_WINDOWS else ''
BAT = '.bat' if IS_WINDOWS else ''
FONT_SUBSET = os.path.join(SRC_DIR, 'out', 'host_debug', 'font-subset' + EXE)
if not os.path.isfile(FONT_SUBSET):
FONT_SUBSET = os.path.join(SRC_DIR, 'out', 'host_debug_unopt', 'font-subset' + EXE)
if not os.path.isfile(FONT_SUBSET):
raise Exception('Could not locate font-subset%s in host_debug or host_debug_unopt - build before running this script.' % EXE)
COMPARE_TESTS = (
(True, '1.ttf', MATERIAL_TTF, [r'57347']),
(True, '1.ttf', MATERIAL_TTF, [r'0xE003']),
(True, '1.ttf', MATERIAL_TTF, [r'\uE003']),
(False, '1.ttf', MATERIAL_TTF, [r'57348']), # False because different codepoint
(True, '2.ttf', MATERIAL_TTF, [r'0xE003', r'0xE004']),
(True, '2.ttf', MATERIAL_TTF, [r'0xE003', r'0xE004', r'57347',]), # Duplicated codepoint
(True, '3.ttf', MATERIAL_TTF, [r'0xE003', r'0xE004', r'0xE021',]),
)
FAIL_TESTS = [
([FONT_SUBSET, 'output.ttf', 'does-not-exist.ttf'], ['1',]), # non-existant input font
([FONT_SUBSET, 'output.ttf', MATERIAL_TTF], ['0xFFFFFFFF',]), # Value too big.
([FONT_SUBSET, 'output.ttf', MATERIAL_TTF], ['-1',]), # invalid value
([FONT_SUBSET, 'output.ttf', MATERIAL_TTF], ['foo',]), # no valid values
([FONT_SUBSET, 'output.ttf', MATERIAL_TTF], ['0xE003', '0x12', '0xE004',]), # codepoint not in font
([FONT_SUBSET, 'non-existant-dir/output.ttf', MATERIAL_TTF], ['0xE003',]), # dir doesn't exist
([FONT_SUBSET, 'output.ttf', MATERIAL_TTF], [' ',]), # empty input
([FONT_SUBSET, 'output.ttf', MATERIAL_TTF], []), # empty input
([FONT_SUBSET, 'output.ttf', MATERIAL_TTF], ['']), # empty input
]
def RunCmd(cmd, codepoints, fail=False):
print('Running command:')
print(' %s' % ' '.join(cmd))
print('STDIN: "%s"' % ' '.join(codepoints))
p = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
stdin=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd=SRC_DIR
)
stdout_data, stderr_data = p.communicate(input=' '.join(codepoints))
if p.returncode != 0 and fail == False:
print('FAILURE: %s' % p.returncode)
print('STDOUT:')
print(stdout_data)
print('STDERR:')
print(stderr_data)
elif p.returncode == 0 and fail == True:
print('FAILURE - test passed but should have failed.')
print('STDOUT:')
print(stdout_data)
print('STDERR:')
print(stderr_data)
else:
print('Success.')
return p.returncode
def main():
print('Using font subset binary at %s' % FONT_SUBSET)
failures = 0
for should_pass, golden_font, input_font, codepoints in COMPARE_TESTS:
gen_ttf = os.path.join(SCRIPT_DIR, 'gen', golden_font)
golden_ttf = os.path.join(SCRIPT_DIR, 'fixtures', golden_font)
cmd = [FONT_SUBSET, gen_ttf, input_font]
RunCmd(cmd, codepoints)
cmp = filecmp.cmp(gen_ttf, golden_ttf, shallow=False)
if (should_pass and not cmp) or (not should_pass and cmp):
print('Test case %s failed.' % cmd)
failures += 1
with open(os.devnull, 'w') as devnull:
for cmd, codepoints in FAIL_TESTS:
if RunCmd(cmd, codepoints, fail=True) == 0:
failures += 1
if failures > 0:
print('%s test(s) failed.' % failures)
return 1
print('All tests passed')
return 0
if __name__ == '__main__':
sys.exit(main())