/usr/share/pyshared/pandas/tests/test_graphics.py is in python-pandas 0.7.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import os
import string
import unittest
from pandas import Series, DataFrame
import pandas.util.testing as tm
import numpy as np
from numpy.testing.decorators import slow
class TestSeriesPlots(unittest.TestCase):
@classmethod
def setUpClass(cls):
import sys
if 'IPython' in sys.modules:
raise nose.SkipTest
try:
import matplotlib as mpl
mpl.use('Agg', warn=False)
except ImportError:
raise nose.SkipTest
def setUp(self):
self.ts = tm.makeTimeSeries()
self.ts.name = 'ts'
self.series = tm.makeStringSeries()
self.series.name = 'series'
@slow
def test_plot(self):
_check_plot_works(self.ts.plot, label='foo')
_check_plot_works(self.ts.plot, use_index=False)
_check_plot_works(self.ts.plot, rot=0)
_check_plot_works(self.ts.plot, style='.', logy=True)
_check_plot_works(self.ts[:10].plot, kind='bar')
_check_plot_works(self.series[:5].plot, kind='bar')
@slow
def test_hist(self):
_check_plot_works(self.ts.hist)
_check_plot_works(self.ts.hist, grid=False)
class TestDataFramePlots(unittest.TestCase):
@classmethod
def setUpClass(cls):
import sys
if 'IPython' in sys.modules:
raise nose.SkipTest
try:
import matplotlib as mpl
mpl.use('Agg', warn=False)
except ImportError:
raise nose.SkipTest
@slow
def test_plot(self):
df = tm.makeTimeDataFrame()
_check_plot_works(df.plot, grid=False)
_check_plot_works(df.plot, subplots=True)
_check_plot_works(df.plot, subplots=True, use_index=False)
df = DataFrame({'x':[1,2], 'y':[3,4]})
self._check_plot_fails(df.plot, kind='line', blarg=True)
@slow
def test_plot_bar(self):
df = DataFrame(np.random.randn(6, 4),
index=list(string.ascii_letters[:6]),
columns=['one', 'two', 'three', 'four'])
_check_plot_works(df.plot, kind='bar')
_check_plot_works(df.plot, kind='bar', legend=False)
_check_plot_works(df.plot, kind='bar', subplots=True)
df = DataFrame(np.random.randn(10, 15),
index=list(string.ascii_letters[:10]),
columns=range(15))
_check_plot_works(df.plot, kind='bar')
df = DataFrame({'a': [0, 1], 'b': [1, 0]})
_check_plot_works(df.plot, kind='bar')
@slow
def test_boxplot(self):
df = DataFrame(np.random.randn(6, 4),
index=list(string.ascii_letters[:6]),
columns=['one', 'two', 'three', 'four'])
df['indic'] = ['foo', 'bar'] * 3
df['indic2'] = ['foo', 'bar', 'foo'] * 2
_check_plot_works(df.boxplot)
_check_plot_works(df.boxplot, column=['one', 'two'])
_check_plot_works(df.boxplot, column=['one', 'two'],
by='indic')
_check_plot_works(df.boxplot, column='one', by=['indic', 'indic2'])
_check_plot_works(df.boxplot, by='indic')
_check_plot_works(df.boxplot, by=['indic', 'indic2'])
@slow
def test_hist(self):
df = DataFrame(np.random.randn(100, 4))
_check_plot_works(df.hist)
_check_plot_works(df.hist, grid=False)
@slow
def test_plot_int_columns(self):
df = DataFrame(np.random.randn(100, 4)).cumsum()
_check_plot_works(df.plot, legend=True)
def _check_plot_fails(self, f, *args, **kwargs):
self.assertRaises(Exception, f, *args, **kwargs)
PNG_PATH = 'tmp.png'
def _check_plot_works(f, *args, **kwargs):
import matplotlib.pyplot as plt
fig = plt.gcf()
plt.clf()
ax = fig.add_subplot(211)
ret = f(*args, **kwargs)
assert(ret is not None) # do something more intelligent
ax = fig.add_subplot(212)
try:
kwargs['ax'] = ax
ret = f(*args, **kwargs)
assert(ret is not None) # do something more intelligent
except Exception:
pass
plt.savefig(PNG_PATH)
os.remove(PNG_PATH)
if __name__ == '__main__':
nose.runmodule(argv=[__file__,'-vvs','-x','--pdb', '--pdb-failure'],
exit=False)
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