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Fix plotting test. (#6040)

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Previously the test loads a model generated by `test_basic.py`, now we generate
the model explicitly.

* Cleanup saved files for basic tests.
This commit is contained in:
Jiaming Yuan
2020-08-22 13:18:48 +08:00
committed by GitHub
parent 7a46515d3d
commit b9ebbffc57
3 changed files with 39 additions and 31 deletions
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24
tests/python/test_plotting.py
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@@ -14,27 +14,27 @@ try:
except ImportError:
pass
pytestmark = pytest.mark.skipif(**tm.no_multiple(tm.no_matplotlib(),
tm.no_graphviz()))
pytestmark = pytest.mark.skipif(**tm.no_multiple(tm.no_matplotlib(), tm.no_graphviz()))
dpath = 'demo/data/'
rng = np.random.RandomState(1994)
dpath = 'demo/data/agaricus.txt.train'
class TestPlotting(unittest.TestCase):
def test_plotting(self):
bst2 = xgb.Booster(model_file='xgb.model')
m = xgb.DMatrix(dpath)
booster = xgb.train({'max_depth': 2, 'eta': 1,
'objective': 'binary:logistic'}, m,
num_boost_round=2)
ax = xgb.plot_importance(bst2)
ax = xgb.plot_importance(booster)
assert isinstance(ax, Axes)
assert ax.get_title() == 'Feature importance'
assert ax.get_xlabel() == 'F score'
assert ax.get_ylabel() == 'Features'
assert len(ax.patches) == 4
ax = xgb.plot_importance(bst2, color='r',
ax = xgb.plot_importance(booster, color='r',
title='t', xlabel='x', ylabel='y')
assert isinstance(ax, Axes)
assert ax.get_title() == 't'
@@ -44,7 +44,7 @@ class TestPlotting(unittest.TestCase):
for p in ax.patches:
assert p.get_facecolor() == (1.0, 0, 0, 1.0) # red
ax = xgb.plot_importance(bst2, color=['r', 'r', 'b', 'b'],
ax = xgb.plot_importance(booster, color=['r', 'r', 'b', 'b'],
title=None, xlabel=None, ylabel=None)
assert isinstance(ax, Axes)
assert ax.get_title() == ''
@@ -56,10 +56,10 @@ class TestPlotting(unittest.TestCase):
assert ax.patches[2].get_facecolor() == (0, 0, 1.0, 1.0) # blue
assert ax.patches[3].get_facecolor() == (0, 0, 1.0, 1.0) # blue
g = xgb.to_graphviz(bst2, num_trees=0)
g = xgb.to_graphviz(booster, num_trees=0)
assert isinstance(g, Source)
ax = xgb.plot_tree(bst2, num_trees=0)
ax = xgb.plot_tree(booster, num_trees=0)
assert isinstance(ax, Axes)
def test_importance_plot_lim(self):