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139 lines
3.8 KiB
139 lines
3.8 KiB
# coding: utf-8
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"""Core tests module for wcwidth."""
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import wcwidth
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def test_hello_jp():
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u"""
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Width of Japanese phrase: コンニチハ, セカイ!
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Given a phrase of 5 and 3 Katakana ideographs, joined with
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3 English-ASCII punctuation characters, totaling 11, this
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phrase consumes 19 cells of a terminal emulator.
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"""
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# given,
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phrase = u'コンニチハ, セカイ!'
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expect_length_each = (2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 1)
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expect_length_phrase = sum(expect_length_each)
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# exercise,
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length_each = tuple(map(wcwidth.wcwidth, phrase))
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length_phrase = wcwidth.wcswidth(phrase)
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# verify,
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assert length_each == expect_length_each
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assert length_phrase == expect_length_phrase
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def test_wcswidth_substr():
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"""
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Test wcswidth() optional 2nd parameter, ``n``.
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``n`` determines at which position of the string
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to stop counting length.
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"""
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# given,
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phrase = u'コンニチハ, セカイ!'
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end = 7
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expect_length_each = (2, 2, 2, 2, 2, 1, 1,)
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expect_length_phrase = sum(expect_length_each)
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# exercise,
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length_phrase = wcwidth.wcswidth(phrase, end)
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# verify,
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assert length_phrase == expect_length_phrase
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def test_null_width_0():
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"""NULL (0) reports width 0."""
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# given,
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phrase = u'abc\x00def'
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expect_length_each = (1, 1, 1, 0, 1, 1, 1)
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expect_length_phrase = sum(expect_length_each)
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# exercise,
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length_each = tuple(map(wcwidth.wcwidth, phrase))
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length_phrase = wcwidth.wcswidth(phrase, len(phrase))
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# verify,
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assert length_each == expect_length_each
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assert length_phrase == expect_length_phrase
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def test_control_c0_width_negative_1():
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"""CSI (Control sequence initiate) reports width -1."""
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# given,
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phrase = u'\x1b[0m'
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expect_length_each = (-1, 1, 1, 1)
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expect_length_phrase = -1
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# exercise,
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length_each = tuple(map(wcwidth.wcwidth, phrase))
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length_phrase = wcwidth.wcswidth(phrase, len(phrase))
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# verify,
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assert length_each == expect_length_each
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assert length_phrase == expect_length_phrase
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def test_combining_width_negative_1():
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"""Simple test combining reports total width of 4."""
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# given,
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phrase = u'--\u05bf--'
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expect_length_each = (1, 1, 0, 1, 1)
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expect_length_phrase = 4
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# exercise,
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length_each = tuple(map(wcwidth.wcwidth, phrase))
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length_phrase = wcwidth.wcswidth(phrase, len(phrase))
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# verify,
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assert length_each == expect_length_each
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assert length_phrase == expect_length_phrase
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def test_combining_cafe():
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u"""Phrase cafe + COMBINING ACUTE ACCENT is café of length 4."""
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phrase = u"cafe\u0301"
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expect_length_each = (1, 1, 1, 1, 0)
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expect_length_phrase = 4
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# exercise,
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length_each = tuple(map(wcwidth.wcwidth, phrase))
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length_phrase = wcwidth.wcswidth(phrase, len(phrase))
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# verify,
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assert length_each == expect_length_each
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assert length_phrase == expect_length_phrase
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def test_combining_enclosing():
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u"""CYRILLIC CAPITAL LETTER A + COMBINING CYRILLIC HUNDRED THOUSANDS SIGN is А҈ of length 1."""
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phrase = u"\u0410\u0488"
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expect_length_each = (1, 0)
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expect_length_phrase = 1
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# exercise,
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length_each = tuple(map(wcwidth.wcwidth, phrase))
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length_phrase = wcwidth.wcswidth(phrase, len(phrase))
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# verify,
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assert length_each == expect_length_each
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assert length_phrase == expect_length_phrase
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def test_combining_spacing():
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u"""Balinese kapal (ship) is ᬓᬨᬮ᭄ of length 4."""
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phrase = u"\u1B13\u1B28\u1B2E\u1B44"
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expect_length_each = (1, 1, 1, 1)
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expect_length_phrase = 4
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# exercise,
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length_each = tuple(map(wcwidth.wcwidth, phrase))
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length_phrase = wcwidth.wcswidth(phrase, len(phrase))
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# verify,
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assert length_each == expect_length_each
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assert length_phrase == expect_length_phrase
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