def test_no_data(self, *mocks):
profiler = dp.StructuredProfiler([], options=self.options)
with self.assertWarnsRegex(
UserWarning,
"There was no data in the profiles to plot "
"missing column values.",
):
graphs.plot_missing_values_matrix(profiler)
def test_bad_input(self, *mocks):
with self.assertRaisesRegex(
ValueError, '`col_profiler_list` must be a list of '
'StructuredColProfilers'):
graphs.plot_col_missing_values(None)
with self.assertRaisesRegex(
ValueError, '`profiler` must of type '
'StructuredProfiler.'):
graphs.plot_missing_values_matrix(None)
def test_null_list(self, *mocks):
data = [None, None, None]
profiler = dp.StructuredProfiler(data, options=self.options)
fig = graphs.plot_missing_values_matrix(profiler)
self.assertIsInstance(fig, plt.Figure)
self.assertEqual(1, len(fig.axes))
ax = fig.axes[0]
patches, labels = ax.get_legend_handles_labels()
self.assertEqual(['"None"'], labels)
expected_patch_values = [
{
"xy": (0.1, -0.5),
"width": 0.8,
"height": 3
},
]
for patch, expected in zip(patches, expected_patch_values):
np.testing.assert_almost_equal(expected["xy"], patch.xy)
self.assertEqual(expected["width"], patch.get_width())
self.assertEqual(expected["height"], patch.get_height())
xtick_labels = [xtick.get_text() for xtick in ax.get_xticklabels()]
self.assertListEqual(['"0"'], xtick_labels)
self.assertEqual("column name", ax.get_xlabel())
self.assertEqual("row index", ax.get_ylabel())
def test_2_null_types_multicol(self, *mocks):
data = pd.DataFrame(
[
[None, "", 1.0, "1/2/2021"],
[3, None, 3.5, ""],
[1, None, 1.0, "2/5/2020"],
[None, 1, 10.0, "3/5/2020"],
],
columns=["integer", "str", "float", "datetime"],
dtype=object,
)
profiler = dp.StructuredProfiler(data, options=self.options)
fig = graphs.plot_missing_values_matrix(profiler)
self.assertIsInstance(fig, plt.Figure)
self.assertEqual(1, len(fig.axes))
ax = fig.axes[0]
patches, labels = ax.get_legend_handles_labels()
self.assertEqual(['"None"', '"None"', '""', '"None"', '""'], labels)
expected_patch_values = [
{
"xy": (0.1, -0.5),
"width": 0.8,
"height": 1
},
{
"xy": (0.1, 2.5),
"width": 0.8,
"height": 1
},
{
"xy": (1.1, -0.5),
"width": 0.8,
"height": 1
},
{
"xy": (1.1, 0.5),
"width": 0.8,
"height": 2
},
{
"xy": (3.1, 0.5),
"width": 0.8,
"height": 1
},
]
for patch, expected in zip(patches, expected_patch_values):
np.testing.assert_almost_equal(expected["xy"], patch.xy)
self.assertEqual(expected["width"], patch.get_width())
self.assertEqual(expected["height"], patch.get_height())
xtick_labels = [xtick.get_text() for xtick in ax.get_xticklabels()]
self.assertListEqual(['"integer"', '"str"', '"float"', '"datetime"'],
xtick_labels)
self.assertEqual("column name", ax.get_xlabel())
self.assertEqual("row index", ax.get_ylabel())
def test_2_null_types_multicol(self, *mocks):
data = pd.DataFrame(
[[None, '', 1.0, '1/2/2021'], [3, None, 3.5, ''],
[1, None, 1.0, '2/5/2020'], [None, 1, 10.0, '3/5/2020']],
columns=['integer', 'str', 'float', 'datetime'],
dtype=object)
profiler = dp.StructuredProfiler(data, options=self.options)
fig = graphs.plot_missing_values_matrix(profiler)
self.assertIsInstance(fig, plt.Figure)
self.assertEqual(1, len(fig.axes))
ax = fig.axes[0]
patches, labels = ax.get_legend_handles_labels()
self.assertEqual(['"None"', '"None"', '""', '"None"', '""'], labels)
expected_patch_values = [
{
'xy': (0.1, -0.5),
'width': 0.8,
'height': 1
},
{
'xy': (0.1, 2.5),
'width': 0.8,
'height': 1
},
{
'xy': (1.1, -0.5),
'width': 0.8,
'height': 1
},
{
'xy': (1.1, 0.5),
'width': 0.8,
'height': 2
},
{
'xy': (3.1, 0.5),
'width': 0.8,
'height': 1
},
]
for patch, expected in zip(patches, expected_patch_values):
np.testing.assert_almost_equal(expected['xy'], patch.xy)
self.assertEqual(expected['width'], patch.get_width())
self.assertEqual(expected['height'], patch.get_height())
xtick_labels = [xtick.get_text() for xtick in ax.get_xticklabels()]
self.assertListEqual(['"integer"', '"str"', '"float"', '"datetime"'],
xtick_labels)
self.assertEqual('column name', ax.get_xlabel())
self.assertEqual('row index', ax.get_ylabel())