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"""Regression tests."""
from tabulate import tabulate, TableFormat, Line, DataRow
from common import assert_equal, skip
def test_ansi_color_in_table_cells():
"Regression: ANSI color in table cells (issue #5)."
colortable = [("test", "\x1b[31mtest\x1b[0m", "\x1b[32mtest\x1b[0m")]
colorlessheaders = ("test", "test", "test")
formatted = tabulate(colortable, colorlessheaders, "pipe")
expected = "\n".join(
[
"| test | test | test |",
"|:-------|:-------|:-------|",
"| test | \x1b[31mtest\x1b[0m | \x1b[32mtest\x1b[0m |",
]
)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_alignment_of_colored_cells():
"Regression: Align ANSI-colored values as if they were colorless."
colortable = [
("test", 42, "\x1b[31m42\x1b[0m"),
("test", 101, "\x1b[32m101\x1b[0m"),
]
colorheaders = ("test", "\x1b[34mtest\x1b[0m", "test")
formatted = tabulate(colortable, colorheaders, "grid")
expected = "\n".join(
[
"+--------+--------+--------+",
"| test | \x1b[34mtest\x1b[0m | test |",
"+========+========+========+",
"| test | 42 | \x1b[31m42\x1b[0m |",
"+--------+--------+--------+",
"| test | 101 | \x1b[32m101\x1b[0m |",
"+--------+--------+--------+",
]
)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_alignment_of_link_cells():
"Regression: Align links as if they were colorless."
linktable = [
("test", 42, "\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\"),
("test", 101, "\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\"),
]
linkheaders = ("test", "\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\", "test")
formatted = tabulate(linktable, linkheaders, "grid")
expected = "\n".join(
[
"+--------+--------+--------+",
"| test | \x1b]8;;target\x1b\\test\x1b]8;;\x1b\\ | test |",
"+========+========+========+",
"| test | 42 | \x1b]8;;target\x1b\\test\x1b]8;;\x1b\\ |",
"+--------+--------+--------+",
"| test | 101 | \x1b]8;;target\x1b\\test\x1b]8;;\x1b\\ |",
"+--------+--------+--------+",
]
)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_alignment_of_link_text_cells():
"Regression: Align links as if they were colorless."
linktable = [
("test", 42, "1\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\2"),
("test", 101, "3\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\4"),
]
linkheaders = ("test", "5\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\6", "test")
formatted = tabulate(linktable, linkheaders, "grid")
expected = "\n".join(
[
"+--------+----------+--------+",
"| test | 5\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\6 | test |",
"+========+==========+========+",
"| test | 42 | 1\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\2 |",
"+--------+----------+--------+",
"| test | 101 | 3\x1b]8;;target\x1b\\test\x1b]8;;\x1b\\4 |",
"+--------+----------+--------+",
]
)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_iter_of_iters_with_headers():
"Regression: Generator of generators with a gen. of headers (issue #9)."
def mk_iter_of_iters():
def mk_iter():
yield from range(3)
for r in range(3):
yield mk_iter()
def mk_headers():
yield from ["a", "b", "c"]
formatted = tabulate(mk_iter_of_iters(), headers=mk_headers())
expected = "\n".join(
[
" a b c",
"--- --- ---",
" 0 1 2",
" 0 1 2",
" 0 1 2",
]
)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_datetime_values():
"Regression: datetime, date, and time values in cells (issue #10)."
import datetime
dt = datetime.datetime(1991, 2, 19, 17, 35, 26)
d = datetime.date(1991, 2, 19)
t = datetime.time(17, 35, 26)
formatted = tabulate([[dt, d, t]])
expected = "\n".join(
[
"------------------- ---------- --------",
"1991-02-19 17:35:26 1991-02-19 17:35:26",
"------------------- ---------- --------",
]
)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_simple_separated_format():
"Regression: simple_separated_format() accepts any separator (issue #12)"
from tabulate import simple_separated_format
fmt = simple_separated_format("!")
expected = "spam!eggs"
formatted = tabulate([["spam", "eggs"]], tablefmt=fmt)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_simple_separated_format_with_headers():
"Regression: simple_separated_format() on tables with headers (issue #15)"
from tabulate import simple_separated_format
expected = " a| b\n 1| 2"
formatted = tabulate(
[[1, 2]], headers=["a", "b"], tablefmt=simple_separated_format("|")
)
assert_equal(expected, formatted)
def test_column_type_of_bytestring_columns():
"Regression: column type for columns of bytestrings (issue #16)"
from tabulate import _column_type
result = _column_type([b"foo", b"bar"])
expected = bytes
assert_equal(expected, result)
def test_numeric_column_headers():
"Regression: numbers as column headers (issue #22)"
result = tabulate([[1], [2]], [42])
expected = " 42\n----\n 1\n 2"
assert_equal(expected, result)
lod = [{p: i for p in range(5)} for i in range(5)]
result = tabulate(lod, "keys")
expected = "\n".join(
[
" 0 1 2 3 4",
"--- --- --- --- ---",
" 0 0 0 0 0",
" 1 1 1 1 1",
" 2 2 2 2 2",
" 3 3 3 3 3",
" 4 4 4 4 4",
]
)
assert_equal(expected, result)
def test_88_256_ANSI_color_codes():
"Regression: color codes for terminals with 88/256 colors (issue #26)"
colortable = [("\x1b[48;5;196mred\x1b[49m", "\x1b[38;5;196mred\x1b[39m")]
colorlessheaders = ("background", "foreground")
formatted = tabulate(colortable, colorlessheaders, "pipe")
expected = "\n".join(
[
"| background | foreground |",
"|:-------------|:-------------|",
"| \x1b[48;5;196mred\x1b[49m | \x1b[38;5;196mred\x1b[39m |",
]
)
print(f"expected: {expected!r}\n\ngot: {formatted!r}\n")
assert_equal(expected, formatted)
def test_column_with_mixed_value_types():
"Regression: mixed value types in the same column (issue #31)"
expected = "\n".join(["-----", "", "a", "я", "0", "False", "-----"])
data = [[None], ["a"], ["\u044f"], [0], [False]]
table = tabulate(data)
assert_equal(table, expected)
def test_latex_escape_special_chars():
"Regression: escape special characters in LaTeX output (issue #32)"
expected = "\n".join(
[
r"\begin{tabular}{l}",
r"\hline",
r" foo\^{}bar \\",
r"\hline",
r" \&\%\^{}\_\$\#\{\}\ensuremath{<}\ensuremath{>}\textasciitilde{} \\",
r"\hline",
r"\end{tabular}",
]
)
result = tabulate([["&%^_$#{}<>~"]], ["foo^bar"], tablefmt="latex")
assert_equal(expected, result)
def test_isconvertible_on_set_values():
"Regression: don't fail with TypeError on set values (issue #35)"
expected = "\n".join(["a b", "--- -----", "Foo set()"])
result = tabulate([["Foo", set()]], headers=["a", "b"])
assert_equal(expected, result)
def test_ansi_color_for_decimal_numbers():
"Regression: ANSI colors for decimal numbers (issue #36)"
table = [["Magenta", "\033[95m" + "1.1" + "\033[0m"]]
expected = "\n".join(
["------- ---", "Magenta \x1b[95m1.1\x1b[0m", "------- ---"]
)
result = tabulate(table)
assert_equal(expected, result)
def test_alignment_of_decimal_numbers_with_ansi_color():
"Regression: alignment for decimal numbers with ANSI color (issue #42)"
v1 = "\033[95m" + "12.34" + "\033[0m"
v2 = "\033[95m" + "1.23456" + "\033[0m"
table = [[v1], [v2]]
expected = "\n".join(["\x1b[95m12.34\x1b[0m", " \x1b[95m1.23456\x1b[0m"])
result = tabulate(table, tablefmt="plain")
assert_equal(expected, result)
def test_alignment_of_decimal_numbers_with_commas():
"Regression: alignment for decimal numbers with comma separators"
skip("test is temporarily disable until the feature is reimplemented")
# table = [["c1r1", "14502.05"], ["c1r2", 105]]
# result = tabulate(table, tablefmt="grid", floatfmt=',.2f')
# expected = "\n".join(
# ['+------+-----------+', '| c1r1 | 14,502.05 |',
# '+------+-----------+', '| c1r2 | 105.00 |',
# '+------+-----------+']
# )
# assert_equal(expected, result)
def test_long_integers():
"Regression: long integers should be printed as integers (issue #48)"
table = [[18446744073709551614]]
result = tabulate(table, tablefmt="plain")
expected = "18446744073709551614"
assert_equal(expected, result)
def test_colorclass_colors():
"Regression: ANSI colors in a unicode/str subclass (issue #49)"
try:
import colorclass
s = colorclass.Color("{magenta}3.14{/magenta}")
result = tabulate([[s]], tablefmt="plain")
expected = "\x1b[35m3.14\x1b[39m"
assert_equal(expected, result)
except ImportError:
class textclass(str):
pass
s = textclass("\x1b[35m3.14\x1b[39m")
result = tabulate([[s]], tablefmt="plain")
expected = "\x1b[35m3.14\x1b[39m"
assert_equal(expected, result)
def test_mix_normal_and_wide_characters():
"Regression: wide characters in a grid format (issue #51)"
try:
import wcwidth # noqa
ru_text = "\u043f\u0440\u0438\u0432\u0435\u0442"
cn_text = "\u4f60\u597d"
result = tabulate([[ru_text], [cn_text]], tablefmt="grid")
expected = "\n".join(
[
"+--------+",
"| \u043f\u0440\u0438\u0432\u0435\u0442 |",
"+--------+",
"| \u4f60\u597d |",
"+--------+",
]
)
assert_equal(expected, result)
except ImportError:
skip("test_mix_normal_and_wide_characters is skipped (requires wcwidth lib)")
def test_multiline_with_wide_characters():
"Regression: multiline tables with varying number of wide characters (github issue #28)"
try:
import wcwidth # noqa
table = [["가나\n가ab", "가나", "가나"]]
result = tabulate(table, tablefmt="fancy_grid")
expected = "\n".join(
[
"╒══════╤══════╤══════╕",
"│ 가나 │ 가나 │ 가나 │",
"│ 가ab │ │ │",
"╘══════╧══════╧══════╛",
]
)
assert_equal(expected, result)
except ImportError:
skip("test_multiline_with_wide_characters is skipped (requires wcwidth lib)")
def test_align_long_integers():
"Regression: long integers should be aligned as integers (issue #61)"
table = [[int(1)], [int(234)]]
result = tabulate(table, tablefmt="plain")
expected = "\n".join([" 1", "234"])
assert_equal(expected, result)
def test_numpy_array_as_headers():
"Regression: NumPy array used as headers (issue #62)"
try:
import numpy as np
headers = np.array(["foo", "bar"])
result = tabulate([], headers, tablefmt="plain")
expected = "foo bar"
assert_equal(expected, result)
except ImportError:
raise skip("")
def test_boolean_columns():
"Regression: recognize boolean columns (issue #64)"
xortable = [[False, True], [True, False]]
expected = "\n".join(["False True", "True False"])
result = tabulate(xortable, tablefmt="plain")
assert_equal(expected, result)
def test_ansi_color_bold_and_fgcolor():
"Regression: set ANSI color and bold face together (issue #65)"
table = [["1", "2", "3"], ["4", "\x1b[1;31m5\x1b[1;m", "6"], ["7", "8", "9"]]
result = tabulate(table, tablefmt="grid")
expected = "\n".join(
[
"+---+---+---+",
"| 1 | 2 | 3 |",
"+---+---+---+",
"| 4 | \x1b[1;31m5\x1b[1;m | 6 |",
"+---+---+---+",
"| 7 | 8 | 9 |",
"+---+---+---+",
]
)
assert_equal(expected, result)
def test_empty_table_with_keys_as_header():
"Regression: headers='keys' on an empty table (issue #81)"
result = tabulate([], headers="keys")
expected = ""
assert_equal(expected, result)
def test_escape_empty_cell_in_first_column_in_rst():
"Regression: escape empty cells of the first column in RST format (issue #82)"
table = [["foo", 1], ["", 2], ["bar", 3]]
headers = ["", "val"]
expected = "\n".join(
[
"==== =====",
".. val",
"==== =====",
"foo 1",
".. 2",
"bar 3",
"==== =====",
]
)
result = tabulate(table, headers, tablefmt="rst")
assert_equal(expected, result)
def test_ragged_rows():
"Regression: allow rows with different number of columns (issue #85)"
table = [[1, 2, 3], [1, 2], [1, 2, 3, 4]]
expected = "\n".join(["- - - -", "1 2 3", "1 2", "1 2 3 4", "- - - -"])
result = tabulate(table)
assert_equal(expected, result)
def test_empty_pipe_table_with_columns():
"Regression: allow empty pipe tables with columns, like empty dataframes (github issue #15)"
table = []
headers = ["Col1", "Col2"]
expected = "\n".join(["| Col1 | Col2 |", "|--------|--------|"])
result = tabulate(table, headers, tablefmt="pipe")
assert_equal(expected, result)
def test_custom_tablefmt():
"Regression: allow custom TableFormat that specifies with_header_hide (github issue #20)"
tablefmt = TableFormat(
lineabove=Line("", "-", " ", ""),
linebelowheader=Line("", "-", " ", ""),
linebetweenrows=None,
linebelow=Line("", "-", " ", ""),
headerrow=DataRow("", " ", ""),
datarow=DataRow("", " ", ""),
padding=0,
with_header_hide=["lineabove", "linebelow"],
)
rows = [["foo", "bar"], ["baz", "qux"]]
expected = "\n".join(["A B", "--- ---", "foo bar", "baz qux"])
result = tabulate(rows, headers=["A", "B"], tablefmt=tablefmt)
assert_equal(expected, result)
def test_string_with_comma_between_digits_without_floatfmt_grouping_option():
"Regression: accept commas in numbers-as-text when grouping is not defined (github issue #110)"
table = [["126,000"]]
expected = "126,000"
result = tabulate(table, tablefmt="plain")
assert_equal(expected, result) # no exception
def test_iterable_row_index():
"Regression: accept 'infinite' row indices (github issue #175)"
table = [["a"], ["b"], ["c"]]
def count(start, step=1):
n = start
while True:
yield n
n += step
if n >= 10: # safety valve
raise IndexError("consuming too many values from the count iterator")
expected = "1 a\n2 b\n3 c"
result = tabulate(table, showindex=count(1), tablefmt="plain")
assert_equal(expected, result)
def test_preserve_line_breaks_with_maxcolwidths():
"Regression: preserve line breaks when using maxcolwidths (github issue #190)"
table = [["123456789 bbb\nccc"]]
expected = "\n".join(
[
"+-----------+",
"| 123456789 |",
"| bbb |",
"| ccc |",
"+-----------+",
]
)
result = tabulate(table, tablefmt="grid", maxcolwidths=10)
assert_equal(expected, result)
def test_exception_on_empty_data_with_maxcolwidths():
"Regression: exception on empty data when using maxcolwidths (github issue #180)"
result = tabulate([], maxcolwidths=5)
assert_equal(result, "")
def test_numpy_int64_as_integer():
"Regression: format numpy.int64 as integer (github issue #18)"
try:
import numpy as np
headers = ["int", "float"]
table = [[np.int64(1), 3.14159]]
result = tabulate(table, headers, tablefmt="pipe", floatfmt=".2f")
expected = "\n".join(
[
"| int | float |",
"|------:|--------:|",
"| 1 | 3.14 |",
]
)
assert_equal(expected, result)
except ImportError:
raise skip("")