Merge "Write tests" branch into master

Closes #18 (closed)

src/test_plotter.py

@@ -5,6 +5,7 @@ from Plotter import Plotter
 import pandas as pd
 
 import pytest
+import matplotlib.pyplot as plt
 
 this_file_dir = Path(__file__).parent
 
@@ -46,7 +47,20 @@ def test_catch_styling_params_not_dict(the_plotter: Plotter, param):
     """Tests that functions that take styling_params correctly
     catch non dictionaries."""
     with pytest.raises(ValueError):
-        the_plotter.distribution_plot("GAD_T", param)
         the_plotter.plot_categorical_bar_chart("GAD_T", "GAD_T", param)
+    with pytest.raises(ValueError):
         the_plotter.plot_categorical_histplot("GAD_T", "GAD_T", param)
+    with pytest.raises(ValueError):
         the_plotter.plot_scatterplot("GAD_T", "GAD_T", param)
+
+
+def test_catch_plotter_init_not_Dataset():
+    """Tests that the Plotter's init actually takes a Dataset."""
+    with pytest.raises(ValueError):
+        p = Plotter("not-a-Dataset")
+
+
+def test_customize_plot(the_plotter: Plotter):
+    fig, ax = plt.subplots()
+    the_plotter.customize_plot(fig, ax, {"title": "a"})
+    assert True