properly test code compilation

Author: nschloe

test/helpers.py

@@ -42,10 +42,11 @@ def assert_equality(plot, filename, **extra_get_tikz_code_args):
         reference = f.read()
     assert reference == code, _unidiff_output(code, reference)
 
+    plot()
     code = tikzplotlib.get_tikz_code(
         include_disclaimer=False, standalone=True, **extra_get_tikz_code_args
     )
-    assert _compile(code) is not None
+    assert _compile(code) is not None, code
 
 
 def _compile(code):

test/test_legend_line_scatter.py

@@ -17,7 +17,6 @@ def plot():
 
 def test():
     assert_equality(plot, __file__[:-3] + "_reference.tex")
-    return
 
 
 if __name__ == "__main__":