python-seaborn 0.4.0-3 / usr / lib / python2.7 / dist-packages / seaborn / tests / test_utils.py

This file is indexed.

/usr/lib/python2.7/dist-packages/seaborn/tests/test_utils.py is in python-seaborn 0.4.0-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
"""Tests for plotting utilities."""
import warnings

import numpy as np
import matplotlib.pyplot as plt
from numpy.testing import assert_array_equal
import nose
import nose.tools as nt
from nose.tools import assert_equal, raises

from .. import utils


a_norm = np.random.randn(100)


def test_pmf_hist_basics():
    """Test the function to return barplot args for pmf hist."""
    out = utils.pmf_hist(a_norm)
    assert_equal(len(out), 3)
    x, h, w = out
    assert_equal(len(x), len(h))

    # Test simple case
    a = np.arange(10)
    x, h, w = utils.pmf_hist(a, 10)
    nose.tools.assert_true(np.all(h == h[0]))


def test_pmf_hist_widths():
    """Test histogram width is correct."""
    x, h, w = utils.pmf_hist(a_norm)
    assert_equal(x[1] - x[0], w)


def test_pmf_hist_normalization():
    """Test that output data behaves like a PMF."""
    x, h, w = utils.pmf_hist(a_norm)
    nose.tools.assert_almost_equal(sum(h), 1)
    nose.tools.assert_less_equal(h.max(), 1)


def test_pmf_hist_bins():
    """Test bin specification."""
    x, h, w = utils.pmf_hist(a_norm, 20)
    assert_equal(len(x), 20)


def test_ci_to_errsize():
    """Test behavior of ci_to_errsize."""
    cis = [[.5, .5],
           [1.25, 1.5]]

    heights = [1, 1.5]

    actual_errsize = np.array([[.5, 1],
                               [.25, 0]])

    test_errsize = utils.ci_to_errsize(cis, heights)
    assert_array_equal(actual_errsize, test_errsize)


def test_desaturate():
    """Test color desaturation."""
    out1 = utils.desaturate("red", .5)
    assert_equal(out1, (.75, .25, .25))

    out2 = utils.desaturate("#00FF00", .5)
    assert_equal(out2, (.25, .75, .25))

    out3 = utils.desaturate((0, 0, 1), .5)
    assert_equal(out3, (.25, .25, .75))

    out4 = utils.desaturate("red", .5)
    assert_equal(out4, (.75, .25, .25))


@raises(ValueError)
def test_desaturation_prop():
    """Test that pct outside of [0, 1] raises exception."""
    utils.desaturate("blue", 50)


def test_saturate():
    """Test performance of saturation function."""
    out = utils.saturate((.75, .25, .25))
    assert_equal(out, (1, 0, 0))


def test_iqr():
    """Test the IQR function."""
    a = np.arange(5)
    iqr = utils.iqr(a)
    assert_equal(iqr, 2)


class TestSpineUtils(object):

    sides = ["left", "right", "bottom", "top"]
    outer_sides = ["top", "right"]
    inner_sides = ["left", "bottom"]

    offset = 10
    original_position = ("outward", 0)
    offset_position = ("outward", offset)

    def test_despine(self):
        f, ax = plt.subplots()
        for side in self.sides:
            nt.assert_true(ax.spines[side].get_visible())

        utils.despine()
        for side in self.outer_sides:
            nt.assert_true(~ax.spines[side].get_visible())
        for side in self.inner_sides:
            nt.assert_true(ax.spines[side].get_visible())

        utils.despine(**dict(zip(self.sides, [True] * 4)))
        for side in self.sides:
            nt.assert_true(~ax.spines[side].get_visible())

        plt.close("all")

    def test_despine_specific_axes(self):
        f, (ax1, ax2) = plt.subplots(2, 1)

        utils.despine(ax=ax2)

        for side in self.sides:
            nt.assert_true(ax1.spines[side].get_visible())

        for side in self.outer_sides:
            nt.assert_true(~ax2.spines[side].get_visible())
        for side in self.inner_sides:
            nt.assert_true(ax2.spines[side].get_visible())

        plt.close("all")

    def test_despine_with_offset(self):
        f, ax = plt.subplots()

        for side in self.sides:
            nt.assert_equal(ax.spines[side].get_position(),
                            self.original_position)

        utils.despine(ax=ax, offset=self.offset)

        for side in self.sides:
            is_visible = ax.spines[side].get_visible()
            new_position = ax.spines[side].get_position()
            if is_visible:
                nt.assert_equal(new_position, self.offset_position)
            else:
                nt.assert_equal(new_position, self.original_position)

        plt.close("all")

    def test_despine_with_offset_specific_axes(self):
        f, (ax1, ax2) = plt.subplots(2, 1)

        utils.despine(offset=self.offset, ax=ax2)

        for side in self.sides:
            nt.assert_equal(ax1.spines[side].get_position(),
                            self.original_position)
            if ax2.spines[side].get_visible():
                nt.assert_equal(ax2.spines[side].get_position(),
                                self.offset_position)
            else:
                nt.assert_equal(ax2.spines[side].get_position(),
                                self.original_position)
        plt.close("all")

    def test_despine_trim_spines(self):
        f, ax = plt.subplots()
        ax.plot([1, 2, 3], [1, 2, 3])
        ax.set_xlim(.75, 3.25)

        utils.despine(trim=True)
        for side in self.inner_sides:
            bounds = ax.spines[side].get_bounds()
            nt.assert_equal(bounds, (1, 3))

        plt.close("all")

    def test_offset_spines_warns(self):
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter("always", category=UserWarning)

            f, ax = plt.subplots()
            utils.offset_spines(offset=self.offset)
            nt.assert_true('deprecated' in str(w[0].message))
            nt.assert_true(issubclass(w[0].category, UserWarning))

        plt.close('all')

    def test_offset_spines(self):
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter("always", category=UserWarning)
            f, ax = plt.subplots()

            for side in self.sides:
                nt.assert_equal(ax.spines[side].get_position(),
                                self.original_position)

            utils.offset_spines(offset=self.offset)

            for side in self.sides:
                nt.assert_equal(ax.spines[side].get_position(),
                                self.offset_position)

        plt.close("all")

    def test_offset_spines_specific_axes(self):
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter("always", category=UserWarning)
            f, (ax1, ax2) = plt.subplots(2, 1)

            utils.offset_spines(offset=self.offset, ax=ax2)

            for side in self.sides:
                nt.assert_equal(ax1.spines[side].get_position(),
                                self.original_position)
                nt.assert_equal(ax2.spines[side].get_position(),
                                self.offset_position)
        plt.close("all")

APT Browse - Built by Thomas Orozco.