intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

3 files changed, 354 insertions, 0 deletions

diff --git a/contrib/python/wcwidth/tests/test_core.py b/contrib/python/wcwidth/tests/test_core.py
new file mode 100755
index 00000000000..e61a27efd79
--- /dev/null
+++ b/contrib/python/wcwidth/tests/test_core.py
@@ -0,0 +1,154 @@
+# coding: utf-8
+"""Core tests for wcwidth module."""
+# 3rd party
+import pkg_resources
+
+# local
+import wcwidth
+
+
+def test_package_version():
+    """wcwidth.__version__ is expected value."""
+    # given,
+    expected = pkg_resources.get_distribution('wcwidth').version
+
+    # exercise,
+    result = wcwidth.__version__
+
+    # verify.
+    assert result == expected
+
+
+def test_hello_jp():
+    u"""
+    Width of Japanese phrase: コンニチハ, セカイ!
+
+    Given a phrase of 5 and 3 Katakana ideographs, joined with
+    3 English-ASCII punctuation characters, totaling 11, this
+    phrase consumes 19 cells of a terminal emulator.
+    """
+    # given,
+    phrase = u'コンニチハ, セカイ!'
+    expect_length_each = (2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 1)
+    expect_length_phrase = sum(expect_length_each)
+
+    # exercise,
+    length_each = tuple(map(wcwidth.wcwidth, phrase))
+    length_phrase = wcwidth.wcswidth(phrase)
+
+    # verify.
+    assert length_each == expect_length_each
+    assert length_phrase == expect_length_phrase
+
+
+def test_wcswidth_substr():
+    """
+    Test wcswidth() optional 2nd parameter, ``n``.
+
+    ``n`` determines at which position of the string
+    to stop counting length.
+    """
+    # given,
+    phrase = u'コンニチハ, セカイ!'
+    end = 7
+    expect_length_each = (2, 2, 2, 2, 2, 1, 1,)
+    expect_length_phrase = sum(expect_length_each)
+
+    # exercise,
+    length_phrase = wcwidth.wcswidth(phrase, end)
+
+    # verify.
+    assert length_phrase == expect_length_phrase
+
+
+def test_null_width_0():
+    """NULL (0) reports width 0."""
+    # given,
+    phrase = u'abc\x00def'
+    expect_length_each = (1, 1, 1, 0, 1, 1, 1)
+    expect_length_phrase = sum(expect_length_each)
+
+    # exercise,
+    length_each = tuple(map(wcwidth.wcwidth, phrase))
+    length_phrase = wcwidth.wcswidth(phrase, len(phrase))
+
+    # verify.
+    assert length_each == expect_length_each
+    assert length_phrase == expect_length_phrase
+
+
+def test_control_c0_width_negative_1():
+    """CSI (Control sequence initiate) reports width -1 for ESC."""
+    # given,
+    phrase = u'\x1b[0m'
+    expect_length_each = (-1, 1, 1, 1)
+    expect_length_phrase = -1
+
+    # exercise,
+    length_each = tuple(map(wcwidth.wcwidth, phrase))
+    length_phrase = wcwidth.wcswidth(phrase, len(phrase))
+
+    # verify.
+    assert length_each == expect_length_each
+    assert length_phrase == expect_length_phrase
+
+
+def test_combining_width():
+    """Simple test combining reports total width of 4."""
+    # given,
+    phrase = u'--\u05bf--'
+    expect_length_each = (1, 1, 0, 1, 1)
+    expect_length_phrase = 4
+
+    # exercise,
+    length_each = tuple(map(wcwidth.wcwidth, phrase))
+    length_phrase = wcwidth.wcswidth(phrase, len(phrase))
+
+    # verify.
+    assert length_each == expect_length_each
+    assert length_phrase == expect_length_phrase
+
+
+def test_combining_cafe():
+    u"""Phrase cafe + COMBINING ACUTE ACCENT is café of length 4."""
+    phrase = u"cafe\u0301"
+    expect_length_each = (1, 1, 1, 1, 0)
+    expect_length_phrase = 4
+
+    # exercise,
+    length_each = tuple(map(wcwidth.wcwidth, phrase))
+    length_phrase = wcwidth.wcswidth(phrase, len(phrase))
+
+    # verify.
+    assert length_each == expect_length_each
+    assert length_phrase == expect_length_phrase
+
+
+def test_combining_enclosing():
+    u"""CYRILLIC CAPITAL LETTER A + COMBINING CYRILLIC HUNDRED THOUSANDS SIGN is А҈ of length 1."""
+    phrase = u"\u0410\u0488"
+    expect_length_each = (1, 0)
+    expect_length_phrase = 1
+
+    # exercise,
+    length_each = tuple(map(wcwidth.wcwidth, phrase))
+    length_phrase = wcwidth.wcswidth(phrase, len(phrase))
+
+    # verify.
+    assert length_each == expect_length_each
+    assert length_phrase == expect_length_phrase
+
+
+def test_combining_spacing():
+    u"""Balinese kapal (ship) is ᬓᬨᬮ᭄ of length 4."""
+    phrase = u"\u1B13\u1B28\u1B2E\u1B44"
+    expect_length_each = (1, 1, 1, 1)
+    expect_length_phrase = 4
+
+    # exercise,
+    length_each = tuple(map(wcwidth.wcwidth, phrase))
+    length_phrase = wcwidth.wcswidth(phrase, len(phrase))
+
+    # verify.
+    assert length_each == expect_length_each
+    assert length_phrase == expect_length_phrase
diff --git a/contrib/python/wcwidth/tests/test_ucslevel.py b/contrib/python/wcwidth/tests/test_ucslevel.py
new file mode 100644
index 00000000000..0e2ff668ea6
--- /dev/null
+++ b/contrib/python/wcwidth/tests/test_ucslevel.py
@@ -0,0 +1,184 @@
+# coding: utf-8
+"""Unicode version level tests for wcwidth."""
+# std imports
+import json
+import warnings
+
+# 3rd party
+import pytest
+import pkg_resources
+
+# local
+import wcwidth
+
+
+def test_latest():
+    """wcwidth._wcmatch_version('latest') returns tail item."""
+    # given,
+    expected = wcwidth.list_versions()[-1]
+
+    # exercise,
+    result = wcwidth._wcmatch_version('latest')
+
+    # verify.
+    assert result == expected
+
+
+def test_exact_410_str():
+    """wcwidth._wcmatch_version('4.1.0') returns equal value (str)."""
+    # given,
+    given = expected = '4.1.0'
+
+    # exercise,
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_exact_410_unicode():
+    """wcwidth._wcmatch_version(u'4.1.0') returns equal value (unicode)."""
+    # given,
+    given = expected = u'4.1.0'
+
+    # exercise,
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_505_str():
+    """wcwidth._wcmatch_version('5.0.5') returns nearest '5.0.0'. (str)"""
+    # given
+    given, expected = '5.0.5', '5.0.0'
+
+    # exercise
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_505_unicode():
+    """wcwidth._wcmatch_version(u'5.0.5') returns nearest u'5.0.0'. (unicode)"""
+    # given
+    given, expected = u'5.0.5', u'5.0.0'
+
+    # exercise
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_lowint40_str():
+    """wcwidth._wcmatch_version('4.0') returns nearest '4.1.0'."""
+    # given
+    given, expected = '4.0', '4.1.0'
+    warnings.resetwarnings()
+    wcwidth._wcmatch_version.cache_clear()
+
+    # exercise
+    with pytest.warns(UserWarning):
+        # warns that given version is lower than any available
+        result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_lowint40_unicode():
+    """wcwidth._wcmatch_version(u'4.0') returns nearest u'4.1.0'."""
+    # given
+    given, expected = u'4.0', u'4.1.0'
+    warnings.resetwarnings()
+    wcwidth._wcmatch_version.cache_clear()
+
+    # exercise
+    with pytest.warns(UserWarning):
+        # warns that given version is lower than any available
+        result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_800_str():
+    """wcwidth._wcmatch_version('8') returns nearest '8.0.0'."""
+    # given
+    given, expected = '8', '8.0.0'
+
+    # exercise
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_800_unicode():
+    """wcwidth._wcmatch_version(u'8') returns nearest u'8.0.0'."""
+    # given
+    given, expected = u'8', u'8.0.0'
+
+    # exercise
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_999_str():
+    """wcwidth._wcmatch_version('999.0') returns nearest (latest)."""
+    # given
+    given, expected = '999.0', wcwidth.list_versions()[-1]
+
+    # exercise
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nearest_999_unicode():
+    """wcwidth._wcmatch_version(u'999.0') returns nearest (latest)."""
+    # given
+    given, expected = u'999.0', wcwidth.list_versions()[-1]
+
+    # exercise
+    result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nonint_unicode():
+    """wcwidth._wcmatch_version(u'x.y.z') returns latest (unicode)."""
+    # given
+    given, expected = u'x.y.z', wcwidth.list_versions()[-1]
+    warnings.resetwarnings()
+    wcwidth._wcmatch_version.cache_clear()
+
+    # exercise
+    with pytest.warns(UserWarning):
+        # warns that given version is not valid
+        result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
+
+
+def test_nonint_str():
+    """wcwidth._wcmatch_version(u'x.y.z') returns latest (str)."""
+    # given
+    given, expected = 'x.y.z', wcwidth.list_versions()[-1]
+    warnings.resetwarnings()
+    wcwidth._wcmatch_version.cache_clear()
+
+    # exercise
+    with pytest.warns(UserWarning):
+        # warns that given version is not valid
+        result = wcwidth._wcmatch_version(given)
+
+    # verify.
+    assert result == expected
diff --git a/contrib/python/wcwidth/tests/ya.make b/contrib/python/wcwidth/tests/ya.make
new file mode 100644
index 00000000000..560d9b40025
--- /dev/null
+++ b/contrib/python/wcwidth/tests/ya.make
@@ -0,0 +1,16 @@
+PY23_TEST()
+
+OWNER(g:python-contrib)
+
+PEERDIR(
+    contrib/python/wcwidth
+)
+
+TEST_SRCS(
+    test_core.py
+    test_ucslevel.py
+)
+
+NO_LINT()
+
+END()