phivenv/Lib/site-packages/sympy/printing/tests/test_tableform.py

from sympy.core.singleton import S
from sympy.printing.tableform import TableForm
from sympy.printing.latex import latex
from sympy.abc import x
from sympy.functions.elementary.miscellaneous import sqrt
from sympy.functions.elementary.trigonometric import sin
from sympy.testing.pytest import raises

from textwrap import dedent


def test_TableForm():
    s = str(TableForm([["a", "b"], ["c", "d"], ["e", 0]],
        headings="automatic"))
    assert s == (
        '  | 1 2\n'
        '-------\n'
        '1 | a b\n'
        '2 | c d\n'
        '3 | e  '
    )
    s = str(TableForm([["a", "b"], ["c", "d"], ["e", 0]],
        headings="automatic", wipe_zeros=False))
    assert s == dedent('''\
          | 1 2
        -------
        1 | a b
        2 | c d
        3 | e 0''')
    s = str(TableForm([[x**2, "b"], ["c", x**2], ["e", "f"]],
            headings=("automatic", None)))
    assert s == (
        '1 | x**2 b   \n'
        '2 | c    x**2\n'
        '3 | e    f   '
    )
    s = str(TableForm([["a", "b"], ["c", "d"], ["e", "f"]],
            headings=(None, "automatic")))
    assert s == dedent('''\
        1 2
        ---
        a b
        c d
        e f''')
    s = str(TableForm([[5, 7], [4, 2], [10, 3]],
            headings=[["Group A", "Group B", "Group C"], ["y1", "y2"]]))
    assert s == (
        '        | y1 y2\n'
        '---------------\n'
        'Group A | 5  7 \n'
        'Group B | 4  2 \n'
        'Group C | 10 3 '
    )
    raises(
        ValueError,
        lambda:
        TableForm(
            [[5, 7], [4, 2], [10, 3]],
            headings=[["Group A", "Group B", "Group C"], ["y1", "y2"]],
            alignments="middle")
    )
    s = str(TableForm([[5, 7], [4, 2], [10, 3]],
            headings=[["Group A", "Group B", "Group C"], ["y1", "y2"]],
            alignments="right"))
    assert s == dedent('''\
                | y1 y2
        ---------------
        Group A |  5  7
        Group B |  4  2
        Group C | 10  3''')

    # other alignment permutations
    d = [[1, 100], [100, 1]]
    s = TableForm(d, headings=(('xxx', 'x'), None), alignments='l')
    assert str(s) == (
        'xxx | 1   100\n'
        '  x | 100 1  '
    )
    s = TableForm(d, headings=(('xxx', 'x'), None), alignments='lr')
    assert str(s) == dedent('''\
    xxx | 1   100
      x | 100   1''')
    s = TableForm(d, headings=(('xxx', 'x'), None), alignments='clr')
    assert str(s) == dedent('''\
    xxx | 1   100
     x  | 100   1''')

    s = TableForm(d, headings=(('xxx', 'x'), None))
    assert str(s) == (
        'xxx | 1   100\n'
        '  x | 100 1  '
    )

    raises(ValueError, lambda: TableForm(d, alignments='clr'))

    #pad
    s = str(TableForm([[None, "-", 2], [1]], pad='?'))
    assert s == dedent('''\
        ? - 2
        1 ? ?''')


def test_TableForm_latex():
    s = latex(TableForm([[0, x**3], ["c", S.One/4], [sqrt(x), sin(x**2)]],
            wipe_zeros=True, headings=("automatic", "automatic")))
    assert s == (
        '\\begin{tabular}{r l l}\n'
        ' & 1 & 2 \\\\\n'
        '\\hline\n'
        '1 &   & $x^{3}$ \\\\\n'
        '2 & $c$ & $\\frac{1}{4}$ \\\\\n'
        '3 & $\\sqrt{x}$ & $\\sin{\\left(x^{2} \\right)}$ \\\\\n'
        '\\end{tabular}'
    )
    s = latex(TableForm([[0, x**3], ["c", S.One/4], [sqrt(x), sin(x**2)]],
            wipe_zeros=True, headings=("automatic", "automatic"), alignments='l'))
    assert s == (
        '\\begin{tabular}{r l l}\n'
        ' & 1 & 2 \\\\\n'
        '\\hline\n'
        '1 &   & $x^{3}$ \\\\\n'
        '2 & $c$ & $\\frac{1}{4}$ \\\\\n'
        '3 & $\\sqrt{x}$ & $\\sin{\\left(x^{2} \\right)}$ \\\\\n'
        '\\end{tabular}'
    )
    s = latex(TableForm([[0, x**3], ["c", S.One/4], [sqrt(x), sin(x**2)]],
            wipe_zeros=True, headings=("automatic", "automatic"), alignments='l'*3))
    assert s == (
        '\\begin{tabular}{l l l}\n'
        ' & 1 & 2 \\\\\n'
        '\\hline\n'
        '1 &   & $x^{3}$ \\\\\n'
        '2 & $c$ & $\\frac{1}{4}$ \\\\\n'
        '3 & $\\sqrt{x}$ & $\\sin{\\left(x^{2} \\right)}$ \\\\\n'
        '\\end{tabular}'
    )
    s = latex(TableForm([["a", x**3], ["c", S.One/4], [sqrt(x), sin(x**2)]],
            headings=("automatic", "automatic")))
    assert s == (
        '\\begin{tabular}{r l l}\n'
        ' & 1 & 2 \\\\\n'
        '\\hline\n'
        '1 & $a$ & $x^{3}$ \\\\\n'
        '2 & $c$ & $\\frac{1}{4}$ \\\\\n'
        '3 & $\\sqrt{x}$ & $\\sin{\\left(x^{2} \\right)}$ \\\\\n'
        '\\end{tabular}'
    )
    s = latex(TableForm([["a", x**3], ["c", S.One/4], [sqrt(x), sin(x**2)]],
            formats=['(%s)', None], headings=("automatic", "automatic")))
    assert s == (
        '\\begin{tabular}{r l l}\n'
        ' & 1 & 2 \\\\\n'
        '\\hline\n'
        '1 & (a) & $x^{3}$ \\\\\n'
        '2 & (c) & $\\frac{1}{4}$ \\\\\n'
        '3 & (sqrt(x)) & $\\sin{\\left(x^{2} \\right)}$ \\\\\n'
        '\\end{tabular}'
    )

    def neg_in_paren(x, i, j):
        if i % 2:
            return ('(%s)' if x < 0 else '%s') % x
        else:
            pass  # use default print
    s = latex(TableForm([[-1, 2], [-3, 4]],
            formats=[neg_in_paren]*2, headings=("automatic", "automatic")))
    assert s == (
        '\\begin{tabular}{r l l}\n'
        ' & 1 & 2 \\\\\n'
        '\\hline\n'
        '1 & -1 & 2 \\\\\n'
        '2 & (-3) & 4 \\\\\n'
        '\\end{tabular}'
    )
    s = latex(TableForm([["a", x**3], ["c", S.One/4], [sqrt(x), sin(x**2)]]))
    assert s == (
        '\\begin{tabular}{l l}\n'
        '$a$ & $x^{3}$ \\\\\n'
        '$c$ & $\\frac{1}{4}$ \\\\\n'
        '$\\sqrt{x}$ & $\\sin{\\left(x^{2} \\right)}$ \\\\\n'
        '\\end{tabular}'
    )