from __future__ import print_function, division, absolute_import from fontTools.misc.py23 import * from fontTools.misc.textTools import deHexStr import filecmp import tempfile from subprocess import check_call import sys import os import unittest PIPE_SCRIPT = """\ import sys binary_stdin = open(sys.stdin.fileno(), mode='rb', closefd=False) binary_stdout = open(sys.stdout.fileno(), mode='wb', closefd=False) binary_stdout.write(binary_stdin.read()) """ # the string contains a mix of line endings, plus the Win "EOF" charater (0x1A) # 'hello\rworld\r\n\x1a\r\n' TEST_BIN_DATA = deHexStr( "68 65 6c 6c 6f 0d 77 6f 72 6c 64 0d 0a 1a 0d 0a" ) class OpenFuncWrapperTest(unittest.TestCase): @staticmethod def make_temp(data): with tempfile.NamedTemporaryFile(delete=False) as f: f.write(tobytes(data)) return f.name def diff_piped(self, data, import_statement): script = self.make_temp("\n".join([import_statement, PIPE_SCRIPT])) datafile = self.make_temp(data) try: with open(datafile, 'rb') as infile, \ tempfile.NamedTemporaryFile(delete=False) as outfile: env = dict(os.environ) env["PYTHONPATH"] = os.pathsep.join(sys.path) check_call( [sys.executable, script], stdin=infile, stdout=outfile, env=env) result = not filecmp.cmp(infile.name, outfile.name, shallow=False) finally: os.remove(script) os.remove(datafile) os.remove(outfile.name) return result def test_binary_pipe_py23_open_wrapper(self): if self.diff_piped( TEST_BIN_DATA, "from fontTools.misc.py23 import open"): self.fail("Input and output data differ!") def test_binary_pipe_built_in_io_open(self): if sys.version_info.major < 3 and sys.platform == 'win32': # On Windows Python 2.x, the piped input and output data are # expected to be different when using io.open, because of issue # https://bugs.python.org/issue10841. expected = True else: expected = False result = self.diff_piped(TEST_BIN_DATA, "from io import open") self.assertEqual(result, expected) class Round2Test(unittest.TestCase): """ Test cases taken from cpython 2.7 test suite: https://github.com/python/cpython/blob/2.7/Lib/test/test_float.py#L748 Excludes the test cases that are not supported when using the `decimal` module's `quantize` method. """ def test_second_argument_type(self): # any type with an __index__ method should be permitted as # a second argument self.assertAlmostEqual(round2(12.34, True), 12.3) class MyIndex(object): def __index__(self): return 4 self.assertAlmostEqual(round2(-0.123456, MyIndex()), -0.1235) # but floats should be illegal self.assertRaises(TypeError, round2, 3.14159, 2.0) def test_halfway_cases(self): # Halfway cases need special attention, since the current # implementation has to deal with them specially. Note that # 2.x rounds halfway values up (i.e., away from zero) while # 3.x does round-half-to-even. self.assertAlmostEqual(round2(0.125, 2), 0.13) self.assertAlmostEqual(round2(0.375, 2), 0.38) self.assertAlmostEqual(round2(0.625, 2), 0.63) self.assertAlmostEqual(round2(0.875, 2), 0.88) self.assertAlmostEqual(round2(-0.125, 2), -0.13) self.assertAlmostEqual(round2(-0.375, 2), -0.38) self.assertAlmostEqual(round2(-0.625, 2), -0.63) self.assertAlmostEqual(round2(-0.875, 2), -0.88) self.assertAlmostEqual(round2(0.25, 1), 0.3) self.assertAlmostEqual(round2(0.75, 1), 0.8) self.assertAlmostEqual(round2(-0.25, 1), -0.3) self.assertAlmostEqual(round2(-0.75, 1), -0.8) self.assertEqual(round2(-6.5, 0), -7.0) self.assertEqual(round2(-5.5, 0), -6.0) self.assertEqual(round2(-1.5, 0), -2.0) self.assertEqual(round2(-0.5, 0), -1.0) self.assertEqual(round2(0.5, 0), 1.0) self.assertEqual(round2(1.5, 0), 2.0) self.assertEqual(round2(2.5, 0), 3.0) self.assertEqual(round2(3.5, 0), 4.0) self.assertEqual(round2(4.5, 0), 5.0) self.assertEqual(round2(5.5, 0), 6.0) self.assertEqual(round2(6.5, 0), 7.0) # same but without an explicit second argument; in 3.x these # will give integers self.assertEqual(round2(-6.5), -7.0) self.assertEqual(round2(-5.5), -6.0) self.assertEqual(round2(-1.5), -2.0) self.assertEqual(round2(-0.5), -1.0) self.assertEqual(round2(0.5), 1.0) self.assertEqual(round2(1.5), 2.0) self.assertEqual(round2(2.5), 3.0) self.assertEqual(round2(3.5), 4.0) self.assertEqual(round2(4.5), 5.0) self.assertEqual(round2(5.5), 6.0) self.assertEqual(round2(6.5), 7.0) self.assertEqual(round2(-25.0, -1), -30.0) self.assertEqual(round2(-15.0, -1), -20.0) self.assertEqual(round2(-5.0, -1), -10.0) self.assertEqual(round2(5.0, -1), 10.0) self.assertEqual(round2(15.0, -1), 20.0) self.assertEqual(round2(25.0, -1), 30.0) self.assertEqual(round2(35.0, -1), 40.0) self.assertEqual(round2(45.0, -1), 50.0) self.assertEqual(round2(55.0, -1), 60.0) self.assertEqual(round2(65.0, -1), 70.0) self.assertEqual(round2(75.0, -1), 80.0) self.assertEqual(round2(85.0, -1), 90.0) self.assertEqual(round2(95.0, -1), 100.0) self.assertEqual(round2(12325.0, -1), 12330.0) self.assertEqual(round2(0, -1), 0.0) self.assertEqual(round2(350.0, -2), 400.0) self.assertEqual(round2(450.0, -2), 500.0) self.assertAlmostEqual(round2(0.5e21, -21), 1e21) self.assertAlmostEqual(round2(1.5e21, -21), 2e21) self.assertAlmostEqual(round2(2.5e21, -21), 3e21) self.assertAlmostEqual(round2(5.5e21, -21), 6e21) self.assertAlmostEqual(round2(8.5e21, -21), 9e21) self.assertAlmostEqual(round2(-1.5e22, -22), -2e22) self.assertAlmostEqual(round2(-0.5e22, -22), -1e22) self.assertAlmostEqual(round2(0.5e22, -22), 1e22) self.assertAlmostEqual(round2(1.5e22, -22), 2e22) class Round3Test(unittest.TestCase): """ Same as above but results adapted for Python 3 round() """ def test_second_argument_type(self): # any type with an __index__ method should be permitted as # a second argument self.assertAlmostEqual(round3(12.34, True), 12.3) class MyIndex(object): def __index__(self): return 4 self.assertAlmostEqual(round3(-0.123456, MyIndex()), -0.1235) # but floats should be illegal self.assertRaises(TypeError, round3, 3.14159, 2.0) def test_halfway_cases(self): self.assertAlmostEqual(round3(0.125, 2), 0.12) self.assertAlmostEqual(round3(0.375, 2), 0.38) self.assertAlmostEqual(round3(0.625, 2), 0.62) self.assertAlmostEqual(round3(0.875, 2), 0.88) self.assertAlmostEqual(round3(-0.125, 2), -0.12) self.assertAlmostEqual(round3(-0.375, 2), -0.38) self.assertAlmostEqual(round3(-0.625, 2), -0.62) self.assertAlmostEqual(round3(-0.875, 2), -0.88) self.assertAlmostEqual(round3(0.25, 1), 0.2) self.assertAlmostEqual(round3(0.75, 1), 0.8) self.assertAlmostEqual(round3(-0.25, 1), -0.2) self.assertAlmostEqual(round3(-0.75, 1), -0.8) self.assertEqual(round3(-6.5, 0), -6.0) self.assertEqual(round3(-5.5, 0), -6.0) self.assertEqual(round3(-1.5, 0), -2.0) self.assertEqual(round3(-0.5, 0), 0.0) self.assertEqual(round3(0.5, 0), 0.0) self.assertEqual(round3(1.5, 0), 2.0) self.assertEqual(round3(2.5, 0), 2.0) self.assertEqual(round3(3.5, 0), 4.0) self.assertEqual(round3(4.5, 0), 4.0) self.assertEqual(round3(5.5, 0), 6.0) self.assertEqual(round3(6.5, 0), 6.0) # same but without an explicit second argument; in 2.x these # will give floats self.assertEqual(round3(-6.5), -6) self.assertEqual(round3(-5.5), -6) self.assertEqual(round3(-1.5), -2.0) self.assertEqual(round3(-0.5), 0) self.assertEqual(round3(0.5), 0) self.assertEqual(round3(1.5), 2) self.assertEqual(round3(2.5), 2) self.assertEqual(round3(3.5), 4) self.assertEqual(round3(4.5), 4) self.assertEqual(round3(5.5), 6) self.assertEqual(round3(6.5), 6) self.assertEqual(round3(-25.0, -1), -20.0) self.assertEqual(round3(-15.0, -1), -20.0) self.assertEqual(round3(-5.0, -1), 0.0) self.assertEqual(round3(5.0, -1), 0.0) self.assertEqual(round3(15.0, -1), 20.0) self.assertEqual(round3(25.0, -1), 20.0) self.assertEqual(round3(35.0, -1), 40.0) self.assertEqual(round3(45.0, -1), 40.0) self.assertEqual(round3(55.0, -1), 60.0) self.assertEqual(round3(65.0, -1), 60.0) self.assertEqual(round3(75.0, -1), 80.0) self.assertEqual(round3(85.0, -1), 80.0) self.assertEqual(round3(95.0, -1), 100.0) self.assertEqual(round3(12325.0, -1), 12320.0) self.assertEqual(round3(0, -1), 0.0) self.assertEqual(round3(350.0, -2), 400.0) self.assertEqual(round3(450.0, -2), 400.0) self.assertAlmostEqual(round3(0.5e21, -21), 0.0) self.assertAlmostEqual(round3(1.5e21, -21), 2e21) self.assertAlmostEqual(round3(2.5e21, -21), 2e21) self.assertAlmostEqual(round3(5.5e21, -21), 6e21) self.assertAlmostEqual(round3(8.5e21, -21), 8e21) self.assertAlmostEqual(round3(-1.5e22, -22), -2e22) self.assertAlmostEqual(round3(-0.5e22, -22), 0.0) self.assertAlmostEqual(round3(0.5e22, -22), 0.0) self.assertAlmostEqual(round3(1.5e22, -22), 2e22) if __name__ == "__main__": unittest.main()