162 lines
10 KiB
Python
162 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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#
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import unittest
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from nose import tools
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from kitchen.text.exceptions import ControlCharError
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from kitchen.text import display
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import base_classes
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class TestDisplay(base_classes.UnicodeTestData, unittest.TestCase):
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def test_internal_interval_bisearch(self):
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'''Test that we can find things in an interval table'''
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table = ((0, 3), (5,7), (9, 10))
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tools.ok_(display._interval_bisearch(0, table) == True)
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tools.ok_(display._interval_bisearch(1, table) == True)
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tools.ok_(display._interval_bisearch(2, table) == True)
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tools.ok_(display._interval_bisearch(3, table) == True)
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tools.ok_(display._interval_bisearch(5, table) == True)
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tools.ok_(display._interval_bisearch(6, table) == True)
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tools.ok_(display._interval_bisearch(7, table) == True)
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tools.ok_(display._interval_bisearch(9, table) == True)
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tools.ok_(display._interval_bisearch(10, table) == True)
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tools.ok_(display._interval_bisearch(-1, table) == False)
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tools.ok_(display._interval_bisearch(4, table) == False)
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tools.ok_(display._interval_bisearch(8, table) == False)
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tools.ok_(display._interval_bisearch(11, table) == False)
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def test_internal_generate_combining_table(self):
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'''Test that the combining table we generate is equal to or a subseet of what's in the current table
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If we assert it can mean one of two things:
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1. The code is broken
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2. The table we have is out of date.
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'''
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old_table = display._COMBINING
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new_table = display._generate_combining_table()
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for interval in new_table:
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if interval[0] == interval[1]:
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tools.ok_(display._interval_bisearch(interval[0], old_table) == True)
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else:
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for codepoint in xrange(interval[0], interval[1] + 1):
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tools.ok_(display._interval_bisearch(interval[0], old_table) == True)
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def test_internal_ucp_width(self):
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'''Test that ucp_width returns proper width for characters'''
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for codepoint in xrange(0, 0xFFFFF + 1):
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if codepoint < 32 or (codepoint < 0xa0 and codepoint >= 0x7f):
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# With strict on, we should raise an error
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tools.assert_raises(ControlCharError, display._ucp_width, codepoint, 'strict')
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if codepoint in (0x08, 0x1b, 0x7f, 0x94):
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# Backspace, delete, clear delete remove one char
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tools.ok_(display._ucp_width(codepoint) == -1)
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else:
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# Everything else returns 0
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tools.ok_(display._ucp_width(codepoint) == 0)
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elif display._interval_bisearch(codepoint, display._COMBINING):
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# Combining character
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tools.ok_(display._ucp_width(codepoint) == 0)
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elif (codepoint >= 0x1100 and
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(codepoint <= 0x115f or # Hangul Jamo init. consonants
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codepoint == 0x2329 or codepoint == 0x232a or
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(codepoint >= 0x2e80 and codepoint <= 0xa4cf and
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codepoint != 0x303f) or # CJK ... Yi
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(codepoint >= 0xac00 and codepoint <= 0xd7a3) or # Hangul Syllables
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(codepoint >= 0xf900 and codepoint <= 0xfaff) or # CJK Compatibility Ideographs
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(codepoint >= 0xfe10 and codepoint <= 0xfe19) or # Vertical forms
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(codepoint >= 0xfe30 and codepoint <= 0xfe6f) or # CJK Compatibility Forms
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(codepoint >= 0xff00 and codepoint <= 0xff60) or # Fullwidth Forms
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(codepoint >= 0xffe0 and codepoint <= 0xffe6) or
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(codepoint >= 0x20000 and codepoint <= 0x2fffd) or
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(codepoint >= 0x30000 and codepoint <= 0x3fffd))):
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tools.ok_(display._ucp_width(codepoint) == 2)
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else:
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tools.ok_(display._ucp_width(codepoint) == 1)
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def test_textual_width(self):
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'''Test that we find the proper number of spaces that a utf8 string will consume'''
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tools.ok_(display.textual_width(self.u_japanese) == 31)
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tools.ok_(display.textual_width(self.u_spanish) == 50)
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tools.ok_(display.textual_width(self.u_mixed) == 23)
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def test_textual_width_chop(self):
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'''utf8_width_chop with byte strings'''
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tools.ok_(display.textual_width_chop(self.u_mixed, 1000) == self.u_mixed)
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tools.ok_(display.textual_width_chop(self.u_mixed, 23) == self.u_mixed)
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tools.ok_(display.textual_width_chop(self.u_mixed, 22) == self.u_mixed[:-1])
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tools.ok_(display.textual_width_chop(self.u_mixed, 19) == self.u_mixed[:-4])
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tools.ok_(display.textual_width_chop(self.u_mixed, 1) == u'')
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tools.ok_(display.textual_width_chop(self.u_mixed, 2) == self.u_mixed[0])
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tools.ok_(display.textual_width_chop(self.u_mixed, 3) == self.u_mixed[:2])
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tools.ok_(display.textual_width_chop(self.u_mixed, 4) == self.u_mixed[:3])
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tools.ok_(display.textual_width_chop(self.u_mixed, 5) == self.u_mixed[:4])
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tools.ok_(display.textual_width_chop(self.u_mixed, 6) == self.u_mixed[:5])
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tools.ok_(display.textual_width_chop(self.u_mixed, 7) == self.u_mixed[:5])
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tools.ok_(display.textual_width_chop(self.u_mixed, 8) == self.u_mixed[:6])
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tools.ok_(display.textual_width_chop(self.u_mixed, 9) == self.u_mixed[:7])
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tools.ok_(display.textual_width_chop(self.u_mixed, 10) == self.u_mixed[:8])
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tools.ok_(display.textual_width_chop(self.u_mixed, 11) == self.u_mixed[:9])
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tools.ok_(display.textual_width_chop(self.u_mixed, 12) == self.u_mixed[:10])
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tools.ok_(display.textual_width_chop(self.u_mixed, 13) == self.u_mixed[:10])
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tools.ok_(display.textual_width_chop(self.u_mixed, 14) == self.u_mixed[:11])
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tools.ok_(display.textual_width_chop(self.u_mixed, 15) == self.u_mixed[:12])
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tools.ok_(display.textual_width_chop(self.u_mixed, 16) == self.u_mixed[:13])
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tools.ok_(display.textual_width_chop(self.u_mixed, 17) == self.u_mixed[:14])
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tools.ok_(display.textual_width_chop(self.u_mixed, 18) == self.u_mixed[:15])
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tools.ok_(display.textual_width_chop(self.u_mixed, 19) == self.u_mixed[:15])
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tools.ok_(display.textual_width_chop(self.u_mixed, 20) == self.u_mixed[:16])
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tools.ok_(display.textual_width_chop(self.u_mixed, 21) == self.u_mixed[:17])
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def test_textual_width_fill(self):
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'''Pad a utf8 string'''
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tools.ok_(display.textual_width_fill(self.u_mixed, 1) == self.u_mixed)
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tools.ok_(display.textual_width_fill(self.u_mixed, 25) == self.u_mixed + u' ')
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tools.ok_(display.textual_width_fill(self.u_mixed, 25, left=False) == u' ' + self.u_mixed)
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tools.ok_(display.textual_width_fill(self.u_mixed, 25, chop=18) == self.u_mixed[:-4] + u' ')
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tools.ok_(display.textual_width_fill(self.u_mixed, 25, chop=18, prefix=self.u_spanish, suffix=self.u_spanish) == self.u_spanish + self.u_mixed[:-4] + self.u_spanish + u' ')
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tools.ok_(display.textual_width_fill(self.u_mixed, 25, chop=18) == self.u_mixed[:-4] + u' ')
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tools.ok_(display.textual_width_fill(self.u_mixed, 25, chop=18, prefix=self.u_spanish, suffix=self.u_spanish) == self.u_spanish + self.u_mixed[:-4] + self.u_spanish + u' ')
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def test_internal_textual_width_le(self):
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test_data = ''.join([self.u_mixed, self.u_spanish])
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tw = display.textual_width(test_data)
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tools.ok_(display._textual_width_le(68, self.u_mixed, self.u_spanish) == (tw <= 68))
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tools.ok_(display._textual_width_le(69, self.u_mixed, self.u_spanish) == (tw <= 69))
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tools.ok_(display._textual_width_le(137, self.u_mixed, self.u_spanish) == (tw <= 137))
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tools.ok_(display._textual_width_le(138, self.u_mixed, self.u_spanish) == (tw <= 138))
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tools.ok_(display._textual_width_le(78, self.u_mixed, self.u_spanish) == (tw <= 78))
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tools.ok_(display._textual_width_le(79, self.u_mixed, self.u_spanish) == (tw <= 79))
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def test_wrap(self):
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'''Test that text wrapping works'''
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tools.ok_(display.wrap(self.u_mixed) == [self.u_mixed])
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tools.ok_(display.wrap(self.u_paragraph) == self.u_paragraph_out)
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tools.ok_(display.wrap(self.utf8_paragraph) == self.u_paragraph_out)
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tools.ok_(display.wrap(self.u_mixed_para) == self.u_mixed_para_out)
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tools.ok_(display.wrap(self.u_mixed_para, width=57,
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initial_indent=' ', subsequent_indent='----') ==
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self.u_mixed_para_57_initial_subsequent_out)
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def test_fill(self):
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tools.ok_(display.fill(self.u_paragraph) == u'\n'.join(self.u_paragraph_out))
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tools.ok_(display.fill(self.utf8_paragraph) == u'\n'.join(self.u_paragraph_out))
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tools.ok_(display.fill(self.u_mixed_para) == u'\n'.join(self.u_mixed_para_out))
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tools.ok_(display.fill(self.u_mixed_para, width=57,
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initial_indent=' ', subsequent_indent='----') ==
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u'\n'.join(self.u_mixed_para_57_initial_subsequent_out))
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def test_byte_string_textual_width_fill(self):
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tools.ok_(display.byte_string_textual_width_fill(self.utf8_mixed, 1) == self.utf8_mixed)
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tools.ok_(display.byte_string_textual_width_fill(self.utf8_mixed, 25) == self.utf8_mixed + ' ')
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tools.ok_(display.byte_string_textual_width_fill(self.utf8_mixed, 25, left=False) == ' ' + self.utf8_mixed)
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tools.ok_(display.byte_string_textual_width_fill(self.utf8_mixed, 25, chop=18) == self.u_mixed[:-4].encode('utf8') + ' ')
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tools.ok_(display.byte_string_textual_width_fill(self.utf8_mixed, 25, chop=18, prefix=self.utf8_spanish, suffix=self.utf8_spanish) == self.utf8_spanish + self.u_mixed[:-4].encode('utf8') + self.utf8_spanish + ' ')
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tools.ok_(display.byte_string_textual_width_fill(self.utf8_mixed, 25, chop=18) == self.u_mixed[:-4].encode('utf8') + ' ')
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tools.ok_(display.byte_string_textual_width_fill(self.utf8_mixed, 25, chop=18, prefix=self.utf8_spanish, suffix=self.utf8_spanish) == self.utf8_spanish + self.u_mixed[:-4].encode('utf8') + self.utf8_spanish + ' ')
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