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"""Unit testing for cmd2/string_utils.py module"""
from rich.style import Style
from cmd2 import Color
from cmd2 import rich_utils as ru
from cmd2 import string_utils as su
HELLO_WORLD = 'Hello, world!'
def test_align_blank() -> None:
text = ''
character = '-'
width = 5
aligned = su.align(text, "left", width=width, character=character)
assert aligned == character * width
def test_align_wider_than_width() -> None:
text = 'long text field'
character = '-'
width = 8
aligned = su.align(text, "left", width=width, character=character)
assert aligned == text[:width]
def test_align_term_width() -> None:
text = 'foo'
character = ' '
term_width = ru.console_width()
expected_padding = (term_width - su.str_width(text)) * character
aligned = su.align(text, "left", character=character)
assert aligned == text + expected_padding
def test_align_left() -> None:
text = 'foo'
character = '-'
width = 5
aligned = su.align_left(text, width=width, character=character)
assert aligned == text + character * 2
def test_align_left_wide_text() -> None:
text = '苹'
character = '-'
width = 4
aligned = su.align_left(text, width=width, character=character)
assert aligned == text + character * 2
def test_align_left_with_style() -> None:
character = '-'
styled_text = su.stylize('table', style=Color.BRIGHT_BLUE)
width = 8
aligned = su.align_left(styled_text, width=width, character=character)
assert aligned == styled_text + character * 3
def test_align_center() -> None:
text = 'foo'
character = '-'
width = 5
aligned = su.align_center(text, width=width, character=character)
assert aligned == character + text + character
def test_align_center_wide_text() -> None:
text = '苹'
character = '-'
width = 4
aligned = su.align_center(text, width=width, character=character)
assert aligned == character + text + character
def test_align_center_with_style() -> None:
character = '-'
styled_text = su.stylize('table', style=Color.BRIGHT_BLUE)
width = 8
aligned = su.align_center(styled_text, width=width, character=character)
assert aligned == character + styled_text + character * 2
def test_align_right() -> None:
text = 'foo'
character = '-'
width = 5
aligned = su.align_right(text, width=width, character=character)
assert aligned == character * 2 + text
def test_align_right_wide_text() -> None:
text = '苹'
character = '-'
width = 4
aligned = su.align_right(text, width=width, character=character)
assert aligned == character * 2 + text
def test_align_right_with_style() -> None:
character = '-'
styled_text = su.stylize('table', style=Color.BRIGHT_BLUE)
width = 8
aligned = su.align_right(styled_text, width=width, character=character)
assert aligned == character * 3 + styled_text
def test_stylize() -> None:
# Test string with no existing style
style = Style(color=Color.GREEN, bgcolor=Color.BLUE, bold=True, underline=True)
styled_str = su.stylize(HELLO_WORLD, style=style)
assert styled_str == "\x1b[1;4;32;44mHello, world!\x1b[0m"
# Add style to already-styled string
updated_style = Style.combine([style, Style(strike=True)])
restyled_string = su.stylize(styled_str, style=updated_style)
assert restyled_string == "\x1b[1;4;9;32;44mHello, world!\x1b[0m"
def test_strip_style() -> None:
base_str = HELLO_WORLD
styled_str = su.stylize(base_str, style=Color.GREEN)
assert base_str != styled_str
assert base_str == su.strip_style(styled_str)
def test_str_width() -> None:
# Include a full-width character
base_str = HELLO_WORLD + "深"
styled_str = su.stylize(base_str, style=Color.GREEN)
expected_width = len(HELLO_WORLD) + 2
assert su.str_width(base_str) == su.str_width(styled_str) == expected_width
def test_is_quoted_short() -> None:
my_str = ''
assert not su.is_quoted(my_str)
your_str = '"'
assert not su.is_quoted(your_str)
def test_is_quoted_yes() -> None:
my_str = '"This is a test"'
assert su.is_quoted(my_str)
your_str = "'of the emergengy broadcast system'"
assert su.is_quoted(your_str)
def test_is_quoted_no() -> None:
my_str = '"This is a test'
assert not su.is_quoted(my_str)
your_str = "of the emergengy broadcast system'"
assert not su.is_quoted(your_str)
simple_str = "hello world"
assert not su.is_quoted(simple_str)
def test_quote() -> None:
my_str = "Hello World"
assert su.quote(my_str) == '"' + my_str + '"'
my_str = "'Hello World'"
assert su.quote(my_str) == '"' + my_str + '"'
my_str = '"Hello World"'
assert su.quote(my_str) == "'" + my_str + "'"
def test_quote_if_needed_yes() -> None:
my_str = "Hello World"
assert su.quote_if_needed(my_str) == '"' + my_str + '"'
your_str = '"foo" bar'
assert su.quote_if_needed(your_str) == "'" + your_str + "'"
def test_quote_if_needed_no() -> None:
my_str = "HelloWorld"
assert su.quote_if_needed(my_str) == my_str
your_str = "'Hello World'"
assert su.quote_if_needed(your_str) == your_str
def test_strip_quotes_no_quotes() -> None:
base_str = HELLO_WORLD
stripped = su.strip_quotes(base_str)
assert base_str == stripped
def test_strip_quotes_with_quotes() -> None:
base_str = '"' + HELLO_WORLD + '"'
stripped = su.strip_quotes(base_str)
assert stripped == HELLO_WORLD
def test_unicode_normalization() -> None:
s1 = 'café'
s2 = 'cafe\u0301'
assert s1 != s2
assert su.norm_fold(s1) == su.norm_fold(s2)
def test_unicode_casefold() -> None:
micro = 'µ'
micro_cf = micro.casefold()
assert micro != micro_cf
assert su.norm_fold(micro) == su.norm_fold(micro_cf)
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