def test_repr_latex():
"""
Tests the _repr_latex_ method of astropy.table.Table class.
Output should be a latex formatted table returned as a string.
Test for PR related to issue #3972.
"""
a = [1, 2, 3, 5]
b = np.array([4, 5, 6, 5])
c = ['hello', 'konichiwa', 'namaskar', 'guten morgen']
d = [2, 3, 5, 10] * u.m / u.s**2
t = Table([a, b, c, d], names=('val', 'val1', 'greeting', 'speed'))
lTable1 = [
r'\begin{table}', r'\begin{tabular}{cccc}',
r'val & val1 & greeting & speed \\',
r' & & & $\mathrm{m\,s^{-2}}$ \\', r'1 & 4 & hello & 2.0 \\',
r'2 & 5 & konichiwa & 3.0 \\', r'3 & 6 & namaskar & 5.0 \\',
r'5 & 5 & guten morgen & 10.0 \\', r'\end{tabular}', r'\end{table}'
]
assert t._repr_latex_().splitlines() == lTable1
lTable2 = [
r'\begin{table}', r'\caption{this is a table}',
r'\begin{tabular}{cccc}', r'val & val1 & greeting & speed \\',
r' & & & $\mathrm{m\,s^{-2}}$ \\', r'1 & 4 & hello & 2.0 \\',
r'2 & 5 & konichiwa & 3.0 \\', r'3 & 6 & namaskar & 5.0 \\',
r'5 & 5 & guten morgen & 10.0 \\', r'\end{tabular}', r'\end{table}'
]
t.meta['latexdict'] = {'caption': 'this is a table'}
assert t._repr_latex_().splitlines() == lTable2
