def test_scale(A, E):
"""Check drawing is correct."""
ls = LineSegment(A, E)
assert ls.scale == 1
ls.scale = 2
assert ls.scale == 2
assert ls.drawn == r"""
\begin{tikzpicture}[scale=2]
% Declare Points
\coordinate (A) at (0,0);
\coordinate (E) at (1,0);
% Draw Points
\draw (A) node[scale=0.67] {$\times$};
\draw (E) node[scale=0.67] {$\times$};
% Draw Line Segment
\draw[thick] (A) -- (E);
% Label Points
\draw (A) node[left] {A};
\draw (E) node[right] {E};
\end{tikzpicture}
"""
with pytest.raises(TypeError) as excinfo:
ls.scale = '2'
assert str(excinfo.value) == 'The picture\'s scale must be a number.'
def test_baseline(A, E):
"""Check baseline setting and usage."""
ls = LineSegment(A, E)
assert ls.baseline is None
ls.baseline = '4pt'
assert ls.baseline == '4pt'
assert ls.drawn == r"""
\begin{tikzpicture}[baseline=4pt]
% Declare Points
\coordinate (A) at (0,0);
\coordinate (E) at (1,0);
% Draw Points
\draw (A) node[scale=0.67] {$\times$};
\draw (E) node[scale=0.67] {$\times$};
% Draw Line Segment
\draw[thick] (A) -- (E);
% Label Points
\draw (A) node[left] {A};
\draw (E) node[right] {E};
\end{tikzpicture}
"""
ls.scale = 2
assert ls.drawn == r"""