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"""Discretely test functionality of our custom TextWrapper"""
from __future__ import unicode_literals
import datetime
from tabulate import _CustomTextWrap as CTW, tabulate
from textwrap import TextWrapper as OTW
from common import skip, assert_equal
def test_wrap_multiword_non_wide():
"""TextWrapper: non-wide character regression tests"""
data = "this is a test string for regression splitting"
for width in range(1, len(data)):
orig = OTW(width=width)
cust = CTW(width=width)
assert orig.wrap(data) == cust.wrap(
data
), "Failure on non-wide char multiword regression check for width " + str(width)
def test_wrap_multiword_non_wide_with_hypens():
"""TextWrapper: non-wide character regression tests that contain hyphens"""
data = "how should-we-split-this non-sense string that-has-lots-of-hypens"
for width in range(1, len(data)):
orig = OTW(width=width)
cust = CTW(width=width)
assert orig.wrap(data) == cust.wrap(
data
), "Failure on non-wide char hyphen regression check for width " + str(width)
def test_wrap_longword_non_wide():
"""TextWrapper: Some non-wide character regression tests"""
data = "ThisIsASingleReallyLongWordThatWeNeedToSplit"
for width in range(1, len(data)):
orig = OTW(width=width)
cust = CTW(width=width)
assert orig.wrap(data) == cust.wrap(
data
), "Failure on non-wide char longword regression check for width " + str(width)
def test_wrap_wide_char_multiword():
"""TextWrapper: wrapping support for wide characters with multiple words"""
try:
import wcwidth # noqa
except ImportError:
skip("test_wrap_wide_char is skipped")
data = "약간 감싸면 더 잘 보일 수있는 다소 긴 설명입니다"
expected = ["약간 감싸면 더", "잘 보일 수있는", "다소 긴", "설명입니다"]
wrapper = CTW(width=15)
result = wrapper.wrap(data)
assert_equal(expected, result)
def test_wrap_wide_char_longword():
"""TextWrapper: wrapping wide char word that needs to be broken up"""
try:
import wcwidth # noqa
except ImportError:
skip("test_wrap_wide_char_longword is skipped")
data = "약간감싸면더잘보일수있"
expected = ["약간", "감싸", "면더", "잘보", "일수", "있"]
# Explicit odd number to ensure the 2 width is taken into account
wrapper = CTW(width=5)
result = wrapper.wrap(data)
assert_equal(expected, result)
def test_wrap_mixed_string():
"""TextWrapper: wrapping string with mix of wide and non-wide chars"""
try:
import wcwidth # noqa
except ImportError:
skip("test_wrap_wide_char is skipped")
data = (
"This content of this string (この文字列のこの内容) contains "
"multiple character types (複数の文字タイプが含まれています)"
)
expected = [
"This content of this",
"string (この文字列の",
"この内容) contains",
"multiple character",
"types (複数の文字タイ",
"プが含まれています)",
]
wrapper = CTW(width=21)
result = wrapper.wrap(data)
assert_equal(expected, result)
def test_wrapper_len_ignores_color_chars():
data = "\033[31m\033[104mtenletters\033[0m"
result = CTW._len(data)
assert_equal(10, result)
def test_wrap_full_line_color():
"""TextWrapper: Wrap a line when the full thing is enclosed in color tags"""
# This has both a text color and a background color
data = (
"\033[31m\033[104mThis is a test string for testing TextWrap with colors\033[0m"
)
expected = [
"\033[31m\033[104mThis is a test\033[0m",
"\033[31m\033[104mstring for testing\033[0m",
"\033[31m\033[104mTextWrap with colors\033[0m",
]
wrapper = CTW(width=20)
result = wrapper.wrap(data)
assert_equal(expected, result)
def test_wrap_color_in_single_line():
"""TextWrapper: Wrap a line - preserve internal color tags, and don't
propagate them to other lines when they don't need to be"""
# This has both a text color and a background color
data = "This is a test string for testing \033[31mTextWrap\033[0m with colors"
expected = [
"This is a test string for",
"testing \033[31mTextWrap\033[0m with",
"colors",
]
wrapper = CTW(width=25)
result = wrapper.wrap(data)
assert_equal(expected, result)
def test_wrap_color_line_splillover():
"""TextWrapper: Wrap a line - preserve internal color tags and wrap them to
other lines when required, requires adding the colors tags to other lines as appropriate"""
# This has both a text color and a background color
data = "This is a \033[31mtest string for testing TextWrap\033[0m with colors"
expected = [
"This is a \033[31mtest string for\033[0m",
"\033[31mtesting TextWrap\033[0m with",
"colors",
]
wrapper = CTW(width=25)
result = wrapper.wrap(data)
assert_equal(expected, result)
def test_wrap_datetime():
"""TextWrapper: Show that datetimes can be wrapped without crashing"""
data = [
["First Entry", datetime.datetime(2020, 1, 1, 5, 6, 7)],
["Second Entry", datetime.datetime(2021, 2, 2, 0, 0, 0)],
]
headers = ["Title", "When"]
result = tabulate(data, headers=headers, tablefmt="grid", maxcolwidths=[7, 5])
expected = [
"+---------+--------+",
"| Title | When |",
"+=========+========+",
"| First | 2020- |",
"| Entry | 01-01 |",
"| | 05:06 |",
"| | :07 |",
"+---------+--------+",
"| Second | 2021- |",
"| Entry | 02-02 |",
"| | 00:00 |",
"| | :00 |",
"+---------+--------+",
]
expected = "\n".join(expected)
assert_equal(expected, result)