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import os
import struct
import sys
import unittest
from os.path import abspath, dirname
rootDir = dirname(dirname(abspath(__file__)))
sys.path.insert(0, rootDir)
from pyglossary.text_utils import (
crc32hex,
escapeNTB,
fixUtf8,
joinByBar,
replacePostSpaceChar,
splitByBar,
splitByBarUnescapeNTB,
uint32FromBytes,
uint32ToBytes,
uintFromBytes,
unescapeBar,
unescapeNTB,
urlToPath,
)
class TestTextUtils(unittest.TestCase):
def test_fixUtf8(self):
f = fixUtf8
# Since entries already keep words and defi as string, fixUtf8 does not
# do much. It just removes zero bytes between valid characters
# (and not within characters)
# If there were encoding errors in input file, Reader class would
# most likely fail to read and raise exception.
# This feature was useful in Python 2.x, but not much anymore!
self.assertEqual(f("\x00س\x00لام"), "سلام")
def test_unescapeNTB(self):
self.assertEqual("a", unescapeNTB("a", bar=False))
self.assertEqual("a\t", unescapeNTB("a\\t", bar=False))
self.assertEqual("a\n", unescapeNTB("a\\n", bar=False))
self.assertEqual("\ta", unescapeNTB("\\ta", bar=False))
self.assertEqual("\na", unescapeNTB("\\na", bar=False))
self.assertEqual("a\tb\n", unescapeNTB("a\\tb\\n", bar=False))
self.assertEqual("a\\b", unescapeNTB("a\\\\b", bar=False))
self.assertEqual("a\\\tb", unescapeNTB("a\\\\\\tb", bar=False))
self.assertEqual("a|b\tc", unescapeNTB("a|b\\tc", bar=False))
self.assertEqual("a\\|b\tc", unescapeNTB("a\\|b\\tc", bar=False))
self.assertEqual("a\\|b\tc", unescapeNTB("a\\\\|b\\tc", bar=False))
self.assertEqual("|", unescapeNTB("\\|", bar=True))
self.assertEqual("a|b", unescapeNTB("a\\|b", bar=True))
self.assertEqual("a|b\tc", unescapeNTB("a\\|b\\tc", bar=True))
def test_escapeNTB(self):
self.assertEqual(escapeNTB("a", bar=False), "a")
self.assertEqual(escapeNTB("a\t", bar=False), "a\\t")
self.assertEqual(escapeNTB("a\n", bar=False), "a\\n")
self.assertEqual(escapeNTB("\ta", bar=False), "\\ta")
self.assertEqual(escapeNTB("\na", bar=False), "\\na")
self.assertEqual(escapeNTB("a\tb\n", bar=False), "a\\tb\\n")
self.assertEqual(escapeNTB("a\\b", bar=False), "a\\\\b")
self.assertEqual(escapeNTB("a\\\tb", bar=False), "a\\\\\\tb")
self.assertEqual(escapeNTB("a|b\tc", bar=False), "a|b\\tc")
self.assertEqual(escapeNTB("a\\|b\tc", bar=False), "a\\\\|b\\tc")
self.assertEqual(escapeNTB("|", bar=True), "\\|")
self.assertEqual(escapeNTB("a|b", bar=True), "a\\|b")
self.assertEqual(escapeNTB("a|b\tc", bar=True), "a\\|b\\tc")
def test_splitByBarUnescapeNTB(self):
f = splitByBarUnescapeNTB
self.assertEqual(f(""), [""])
self.assertEqual(f("|"), ["", ""])
self.assertEqual(f("a"), ["a"])
self.assertEqual(f("a|"), ["a", ""])
self.assertEqual(f("|a"), ["", "a"])
self.assertEqual(f("a|b"), ["a", "b"])
self.assertEqual(f("a\\|b|c"), ["a|b", "c"])
self.assertEqual(f("a\\\\1|b|c"), ["a\\1", "b", "c"])
# self.assertEqual(f("a\\\\|b|c"), ["a\\", "b", "c"]) # FIXME
self.assertEqual(f("a\\\\1|b\\n|c\\t"), ["a\\1", "b\n", "c\t"])
def test_unescapeBar(self):
f = unescapeBar
self.assertEqual("", f(""))
self.assertEqual("|", f("\\|"))
self.assertEqual("a|b", f("a\\|b"))
self.assertEqual("a|b\tc", f("a\\|b\tc"))
self.assertEqual("a|b\\t\\nc", f("a\\|b\\t\\nc"))
self.assertEqual("\\", f("\\\\"))
self.assertEqual("\\|", f("\\\\\\|"))
def test_splitByBar(self):
f = splitByBar
self.assertEqual(f(""), [""])
self.assertEqual(f("|"), ["", ""])
self.assertEqual(f("a"), ["a"])
self.assertEqual(f("a|"), ["a", ""])
self.assertEqual(f("|a"), ["", "a"])
self.assertEqual(f("a|b"), ["a", "b"])
self.assertEqual(f("a\\|b"), ["a|b"])
self.assertEqual(f("a\\|b|c"), ["a|b", "c"])
self.assertEqual(f("a\\\\1|b|c"), ["a\\1", "b", "c"])
# self.assertEqual(f("a\\\\|b|c"), ["a\\", "b", "c"]) # FIXME
def test_joinByBar(self):
f = joinByBar
self.assertEqual("", f([""]))
self.assertEqual("|", f(["", ""]))
self.assertEqual("a", f(["a"]))
self.assertEqual("a|", f(["a", ""]))
self.assertEqual("|a", f(["", "a"]))
self.assertEqual("a|b", f(["a", "b"]))
self.assertEqual("a\\|b", f(["a|b"]))
self.assertEqual("a\\|b|c", f(["a|b", "c"]))
self.assertEqual("a\\\\1|b|c", f(["a\\1", "b", "c"]))
def test_uint32ToBytes(self):
f = uint32ToBytes
outOfRangeError = "'I' format requires 0 <= number <= 4294967295"
if os.sep == "\\":
outOfRangeError = "argument out of range"
self.assertEqual(f(0), bytes([0, 0, 0, 0]))
self.assertEqual(f(0x3E8), bytes([0, 0, 0x03, 0xE8]))
self.assertEqual(f(0x186A0), bytes([0, 1, 0x86, 0xA0]))
self.assertEqual(f(0x3B9ACA00), bytes([0x3B, 0x9A, 0xCA, 0x00]))
self.assertEqual(f(0xFFFFFFFF), bytes([0xFF, 0xFF, 0xFF, 0xFF]))
with self.assertRaises(struct.error) as ctx:
f(0xFFFFFFFF + 1)
self.assertEqual(
str(ctx.exception),
outOfRangeError,
)
with self.assertRaises(struct.error) as ctx:
f(10000000000)
self.assertEqual(
str(ctx.exception),
outOfRangeError,
)
with self.assertRaises(struct.error) as ctx:
f(-1)
if sys.version_info >= (3, 12):
self.assertEqual(
str(ctx.exception),
"'I' format requires 0 <= number <= 4294967295",
)
else:
self.assertEqual(str(ctx.exception), "argument out of range")
def test_uint32FromBytes(self):
f = uint32FromBytes
self.assertEqual(0, f(bytes([0, 0, 0, 0])))
self.assertEqual(0x3E8, f(bytes([0, 0, 0x03, 0xE8])))
self.assertEqual(0x186A0, f(bytes([0, 1, 0x86, 0xA0])))
self.assertEqual(0x3B9ACA00, f(bytes([0x3B, 0x9A, 0xCA, 0x00])))
self.assertEqual(0xFFFFFFFF, f(bytes([0xFF, 0xFF, 0xFF, 0xFF])))
with self.assertRaises(struct.error) as ctx:
f(bytes([0x01, 0xFF, 0xFF, 0xFF, 0xFF]))
self.assertEqual(str(ctx.exception), "unpack requires a buffer of 4 bytes")
def test_uintFromBytes(self):
f = uintFromBytes
self.assertEqual(0, f(bytes([0, 0, 0, 0])))
self.assertEqual(0x3E8, f(bytes([0, 0, 0x03, 0xE8])))
self.assertEqual(0x186A0, f(bytes([0, 1, 0x86, 0xA0])))
self.assertEqual(0x3B9ACA00, f(bytes([0x3B, 0x9A, 0xCA, 0x00])))
self.assertEqual(0xFFFFFFFF, f(bytes([0xFF, 0xFF, 0xFF, 0xFF])))
self.assertEqual(
0xFFABCDEF5542,
f(bytes([0xFF, 0xAB, 0xCD, 0xEF, 0x55, 0x42])),
)
def test_crc32hex(self):
f = crc32hex
self.assertEqual(f(b""), "00000000")
self.assertEqual(f(b"\x00"), "d202ef8d")
self.assertEqual(f(b"\x00\x00"), "41d912ff")
self.assertEqual(
f(bytes.fromhex("73c3bbc38b7459360ac3a9c2b3c2a2")),
"bbfb1610",
)
def test_urlToPath(self):
f = urlToPath
self.assertEqual(
f("https://github.com/ilius/pyglossary"),
"https://github.com/ilius/pyglossary",
)
self.assertEqual(
f("file:///home/test/abc.txt"),
"/home/test/abc.txt",
)
self.assertEqual(
f("file:///home/test/%D8%AA%D8%B3%D8%AA.txt"),
"/home/test/تست.txt",
)
def test_replacePostSpaceChar(self):
f = replacePostSpaceChar
self.assertEqual(
f("First sentence .Second sentence.", "."),
"First sentence. Second sentence.",
)
self.assertEqual(
f("First ,second.", ","),
"First, second.",
)
if __name__ == "__main__":
unittest.main()
|
