def test_array_with_vertical_bars(math_and_row):
math, row = math_and_row
table = eTree.SubElement(row, 'mtable', columnlines='solid none')
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='center')
mn = eTree.SubElement(td, 'mn')
mn.text = '1'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mn = eTree.SubElement(td, 'mn')
mn.text = '2'
td = eTree.SubElement(tr, 'mtd', columnalign='left')
mn = eTree.SubElement(td, 'mn')
mn.text = '3'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='center')
mn = eTree.SubElement(td, 'mn')
mn.text = '4'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mn = eTree.SubElement(td, 'mn')
mn.text = '5'
td = eTree.SubElement(tr, 'mtd', columnalign='left')
mn = eTree.SubElement(td, 'mn')
mn.text = '6'
assert _convert(math) == convert(
r'\begin{array}{c|rl} 1 & 2 & 3 \\ 4 & 5 & 6 \end{array}')
def test_pmatrix(math_and_row):
math, row = math_and_row
mo = eTree.SubElement(row, 'mo')
mo.text = '('
table = eTree.SubElement(row, 'mtable')
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'a'
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'b'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'c'
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'd'
mo = eTree.SubElement(row, 'mo')
mo.text = ')'
assert _convert(math) == convert(
r'\begin{pmatrix}a & b \\ c & d \end{pmatrix}')
def test_numbers_and_identifiers(math_and_row):
math, row = math_and_row
mn = eTree.SubElement(row, 'mn')
mn.text = '12'
mi = eTree.SubElement(row, 'mi')
mi.text = 'x'
assert _convert(math) == convert('12x')
def test_array_with_horizontal_lines(math_and_row):
math, row = math_and_row
table = eTree.SubElement(row, 'mtable', rowlines='none solid')
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='center')
mn = eTree.SubElement(td, 'mn')
mn.text = '1'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mn = eTree.SubElement(td, 'mn')
mn.text = '2'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='center')
mn = eTree.SubElement(td, 'mn')
mn.text = '3'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mn = eTree.SubElement(td, 'mn')
mn.text = '4'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='center')
mn = eTree.SubElement(td, 'mn')
mn.text = '5'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mn = eTree.SubElement(td, 'mn')
mn.text = '6'
s = r'\begin{array}{cr} 1 & 2 \\ 3 & 4 \\ \hline 5 & 6 \end{array}'
assert _convert(math) == convert(s)
def test_issue_42(math_and_row):
math, row = math_and_row
msqrt = eTree.SubElement(row, 'msqrt')
mrow = eTree.SubElement(msqrt, 'mrow')
mo = eTree.SubElement(mrow, 'mo')
mo.text = '('
mo = eTree.SubElement(mrow, 'mo')
mo.text = '−'
mn = eTree.SubElement(mrow, 'mn')
mn.text = '25'
msup = eTree.SubElement(mrow, 'msup')
mo = eTree.SubElement(msup, 'mo')
mo.text = ')'
mrow2 = eTree.SubElement(msup, 'mrow')
mn = eTree.SubElement(mrow2, 'mn')
mn.text = '2'
mo = eTree.SubElement(row, 'mo')
mo.text = '='
mi = eTree.SubElement(row, 'mi')
mi.text = '±'
mn = eTree.SubElement(row, 'mn')
mn.text = '25'
assert _convert(math) == convert(r'\sqrt { ( - 25 ) ^ { 2 } } = \pm 25')
def test_square_root(math_and_row):
math, row = math_and_row
sqrt = eTree.SubElement(row, 'msqrt')
row = eTree.SubElement(sqrt, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
assert _convert(math) == convert(r'\sqrt{2}')
def test_superscript(math_and_row):
math, row = math_and_row
sup = eTree.SubElement(row, 'msup')
mi = eTree.SubElement(sup, 'mi')
mi.text = 'a'
mi = eTree.SubElement(sup, 'mi')
mi.text = 'b'
assert _convert(math) == convert('a^b')
def test_multiple_groups(math_and_row):
math, row = math_and_row
mrow = eTree.SubElement(row, 'mrow')
mi = eTree.SubElement(mrow, 'mi')
mi.text = 'a'
mrow = eTree.SubElement(row, 'mrow')
mi = eTree.SubElement(mrow, 'mi')
mi.text = 'b'
assert _convert(math) == convert('{a}{b}')
def test_superscript_within_curly_braces(math_and_row):
math, row = math_and_row
row = eTree.SubElement(row, 'mrow')
sup = eTree.SubElement(row, 'msup')
mi = eTree.SubElement(sup, 'mi')
mi.text = 'a'
mi = eTree.SubElement(sup, 'mi')
mi.text = 'b'
assert _convert(math) == convert('{a^b}')
def test_left_and_right(math_and_row):
math, row = math_and_row
mo = eTree.SubElement(row, 'mo', fence='true', form='prefix', stretchy='true')
mo.text = '('
mi = eTree.SubElement(row, 'mi')
mi.text = 'x'
mo = eTree.SubElement(row, 'mo', fence='true', form='postfix', stretchy='true')
mo.text = ')'
assert _convert(math) == convert(r'\left(x\right)')
def test_multiple_identifiers(math_and_row):
math, row = math_and_row
mi = eTree.SubElement(row, 'mi')
mi.text = 'x'
mi = eTree.SubElement(row, 'mi')
mi.text = 'y'
mi = eTree.SubElement(row, 'mi')
mi.text = 'z'
assert _convert(math) == convert('xyz')
def test_issue_45_gt(math_and_row):
math, row = math_and_row
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
mo = eTree.SubElement(row, 'mo')
mo.text = '>'
mn = eTree.SubElement(row, 'mn')
mn.text = '5'
assert _convert(math) == convert('2 > 5')
def test_overline(math_and_row):
math, row = math_and_row
over = eTree.SubElement(row, 'mover')
row = eTree.SubElement(over, 'mrow')
mi = eTree.SubElement(row, 'mi')
mi.text = 'a'
mo = eTree.SubElement(over, 'mo', stretchy='true')
mo.text = '¯'
assert _convert(math) == convert(r'\overline{a}')
def test_numbers_and_operators(math_and_row):
math, row = math_and_row
mn = eTree.SubElement(row, 'mn')
mn.text = '3'
mo = eTree.SubElement(row, 'mo')
mo.text = '−'
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
assert _convert(math) == convert('3-2')
def test_underline(math_and_row):
math, row = math_and_row
under = eTree.SubElement(row, 'munder')
mrow = eTree.SubElement(under, 'mrow')
mi = eTree.SubElement(mrow, 'mi')
mi.text = 'a'
mo = eTree.SubElement(under, 'mo', stretchy='true')
mo.text = '̲'
assert _convert(math) == convert(r'\underline{a}')
def test_over(math_and_row):
math, row = math_and_row
frac = eTree.SubElement(row, 'mfrac')
row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '1'
row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
assert _convert(math) == convert(r'1 \over 2')
def test_root(math_and_row):
math, row = math_and_row
root = eTree.SubElement(row, 'mroot')
row = eTree.SubElement(root, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
row = eTree.SubElement(root, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '3'
assert _convert(math) == convert(r'\sqrt[3]{2}')
def test_simple_fraction(math_and_row):
math, row = math_and_row
frac = eTree.SubElement(row, 'mfrac')
row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '1'
row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
assert _convert(math) == convert(r'\frac{1}{2}')
def test_over_inside_braces(math_and_row):
math, row = math_and_row
row = eTree.SubElement(row, 'mrow')
frac = eTree.SubElement(row, 'mfrac')
row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '1'
row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
assert _convert(math) == convert(r'{1 \over 2}')
def test_inner_group(math_and_row):
math, row = math_and_row
mrow = eTree.SubElement(row, 'mrow')
mi = eTree.SubElement(mrow, 'mi')
mi.text = 'a'
mo = eTree.SubElement(mrow, 'mo')
mo.text = '+'
mrow = eTree.SubElement(mrow, 'mrow')
mi = eTree.SubElement(mrow, 'mi')
mi.text = 'b'
assert _convert(math) == convert('{a+{b}}')
def test_numbers_and_identifiers_and_operators(math_and_row):
math, row = math_and_row
mn = eTree.SubElement(row, 'mn')
mn.text = '3'
mi = eTree.SubElement(row, 'mi')
mi.text = 'x'
mo = eTree.SubElement(row, 'mo')
mo.text = '*'
mn = eTree.SubElement(row, 'mn')
mn.text = '2'
assert _convert(math) == convert('3x*2')
def test_binomial(math_and_row):
math, row = math_and_row
mo = eTree.SubElement(row, 'mo')
mo.text = '('
frac = eTree.SubElement(row, 'mfrac', linethickness='0')
_row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(_row, 'mn')
mn.text = '2'
_row = eTree.SubElement(frac, 'mrow')
mn = eTree.SubElement(_row, 'mn')
mn.text = '3'
mo = eTree.SubElement(row, 'mo')
mo.text = ')'
assert _convert(math) == convert(r'\binom{2}{3}')
def test_superscript_with_curly_braces(math_and_row):
math, row = math_and_row
subsup = eTree.SubElement(row, 'msubsup')
mi = eTree.SubElement(subsup, 'mi')
mi.text = 'a'
mn = eTree.SubElement(subsup, 'mn')
mn.text = '3'
row = eTree.SubElement(subsup, 'mrow')
mi = eTree.SubElement(row, 'mi')
mi.text = 'i'
mo = eTree.SubElement(row, 'mo')
mo.text = '+'
mn = eTree.SubElement(row, 'mn')
mn.text = '1'
assert _convert(math) == convert('a^{i+1}_3')
def test_left_and_right(math_and_row):
math, row = math_and_row
mrow = eTree.SubElement(row, 'mrow')
mo = eTree.SubElement(
mrow, 'mo',
OrderedDict([('stretchy', 'true'), ('fence', 'true'),
('form', 'prefix')]))
mo.text = '('
mrow2 = eTree.SubElement(mrow, 'mrow')
mi = eTree.SubElement(mrow2, 'mi')
mi.text = 'x'
mo = eTree.SubElement(
mrow, 'mo',
OrderedDict([('stretchy', 'true'), ('fence', 'true'),
('form', 'postfix')]))
mo.text = ')'
assert _convert(math) == convert(r'\left(x\right)')
def test_simple_array(math_and_row):
math, row = math_and_row
table = eTree.SubElement(row, 'mtable')
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='center')
mn = eTree.SubElement(td, 'mn')
mn.text = '1'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mn = eTree.SubElement(td, 'mn')
mn.text = '2'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='center')
mn = eTree.SubElement(td, 'mn')
mn.text = '3'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mn = eTree.SubElement(td, 'mn')
mn.text = '4'
assert _convert(math) == convert(r'\begin{array}{cr} 1 & 2 \\ 3 & 4 \end{array}')
def test_complex_matrix(math_and_row):
math, row = math_and_row
mtable = eTree.SubElement(row, 'mtable')
mtr = eTree.SubElement(mtable, 'mtr')
mtd = eTree.SubElement(mtr, 'mtd')
msub = eTree.SubElement(mtd, 'msub')
mi = eTree.SubElement(msub, 'mi')
mi.text = 'a'
mrow = eTree.SubElement(msub, 'mrow')
mn = eTree.SubElement(mrow, 'mn')
mn.text = '1'
mtd = eTree.SubElement(mtr, 'mtd')
msub = eTree.SubElement(mtd, 'msub')
mi = eTree.SubElement(msub, 'mi')
mi.text = 'b'
mrow = eTree.SubElement(msub, 'mrow')
mn = eTree.SubElement(mrow, 'mn')
mn.text = '2'
mtr = eTree.SubElement(mtable, 'mtr')
mtd = eTree.SubElement(mtr, 'mtd')
msub = eTree.SubElement(mtd, 'msub')
mi = eTree.SubElement(msub, 'mi')
mi.text = 'c'
mrow = eTree.SubElement(msub, 'mrow')
mn = eTree.SubElement(mrow, 'mn')
mn.text = '3'
mtd = eTree.SubElement(mtr, 'mtd')
msub = eTree.SubElement(mtd, 'msub')
mi = eTree.SubElement(msub, 'mi')
mi.text = 'd'
mrow = eTree.SubElement(msub, 'mrow')
mn = eTree.SubElement(mrow, 'mn')
mn.text = '4'
latex = r'\begin{matrix}a_{1} & b_{2} \\ c_{3} & d_{4} \end{matrix}'
assert _convert(math) == convert(latex)
def test_matrix(math_and_row):
math, row = math_and_row
table = eTree.SubElement(row, 'mtable')
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'a'
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'b'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'c'
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'd'
assert _convert(math) == convert(r'\begin{matrix}a & b \\ c & d \end{matrix}')
def test_matrix_with_alignment(math_and_row):
math, row = math_and_row
table = eTree.SubElement(row, 'mtable')
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mi = eTree.SubElement(td, 'mi')
mi.text = 'a'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mi = eTree.SubElement(td, 'mi')
mi.text = 'b'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mi = eTree.SubElement(td, 'mi')
mi.text = 'c'
td = eTree.SubElement(tr, 'mtd', columnalign='right')
mi = eTree.SubElement(td, 'mi')
mi.text = 'd'
assert _convert(math) == convert(r'\begin{matrix*}[r]a & b \\ c & d \end{matrix*}')
def test_matrix_without_begin_and_end(math_and_row): # taken from MathJax
math, row = math_and_row
table = eTree.SubElement(row, 'mtable')
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'a'
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'b'
tr = eTree.SubElement(table, 'mtr')
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'c'
td = eTree.SubElement(tr, 'mtd')
mi = eTree.SubElement(td, 'mi')
mi.text = 'd'
assert _convert(math) == convert(r'\matrix{a & b \\ c & d}')
def test_issue_52(math_and_row):
math, row = math_and_row
over = eTree.SubElement(row, 'mover')
equal = eTree.SubElement(row, 'mo')
equal.text = '='
sub_right = eTree.SubElement(row, 'msub')
row = eTree.SubElement(over, 'mrow')
sub_left = eTree.SubElement(row, 'msub')
mi = eTree.SubElement(sub_left, 'mi')
mi.text = 'z'
mn = eTree.SubElement(sub_left, 'mn')
mn.text = '1'
mo = eTree.SubElement(over, 'mo', stretchy='true')
mo.text = '¯'
mi = eTree.SubElement(sub_right, 'mi')
mi.text = 'z'
mn = eTree.SubElement(sub_right, 'mn')
mn.text = '2'
assert _convert(math) == convert(r'\bar{z_1} = z_2')