test_stationplot_clipping() - Code Metrics - Inspection of "Fix #546" - Unidata/MetPy - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#552)

by Ryan

created 2017-09-08 17:17 UTC

test_stationplot_clipping() A

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Lines	42
Ratio	200 %

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cc	1
c	1
b	0
f	0
dl	42
loc	21
rs	9.3142

# Copyright (c) 2008-2015 MetPy Developers.
# Distributed under the terms of the BSD 3-Clause License.
# SPDX-License-Identifier: BSD-3-Clause
"""Tests for the `station_plot` module."""

import matplotlib
import matplotlib.pyplot as plt
import numpy as np
import pytest

from metpy.plots import nws_layout, simple_layout, StationPlot, StationPlotLayout
from metpy.plots.wx_symbols import current_weather, high_clouds, sky_cover
# Fixtures to make sure we have the right backend and consistent round
from metpy.testing import patch_round, set_agg_backend  # noqa: F401
from metpy.units import units


MPL_VERSION = matplotlib.__version__[:3]


@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.04625, '1.4': 4.1}.get(MPL_VERSION, 0.0033),

                               savefig_kwargs={'dpi': 300}, remove_text=True)
def test_stationplot_api():
    """Test the StationPlot API."""
    fig = plt.figure(figsize=(9, 9))

    # testing data
    x = np.array([1, 5])
    y = np.array([2, 4])

    # Make the plot
    sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=16)
    sp.plot_barb([20, 0], [0, -50])
    sp.plot_text('E', ['KOKC', 'ICT'], color='blue')
    sp.plot_parameter('NW', [10.5, 15] * units.degC, color='red')
    sp.plot_symbol('S', [5, 7], high_clouds, color='green')

    sp.ax.set_xlim(0, 6)
    sp.ax.set_ylim(0, 6)

    return fig


@pytest.mark.mpl_image_compare(tolerance={'1.4': 2.81}.get(MPL_VERSION, 0.003),

                               savefig_kwargs={'dpi': 300}, remove_text=True)
def test_stationplot_clipping():
    """Test the that clipping can be enabled as a default parameter."""
    fig = plt.figure(figsize=(9, 9))

    # testing data
    x = np.array([1, 5])
    y = np.array([2, 4])

    # Make the plot
    sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=16, clip_on=True)
    sp.plot_barb([20, 0], [0, -50])
    sp.plot_text('E', ['KOKC', 'ICT'], color='blue')
    sp.plot_parameter('NW', [10.5, 15] * units.degC, color='red')
    sp.plot_symbol('S', [5, 7], high_clouds, color='green')

    sp.ax.set_xlim(1, 5)
    sp.ax.set_ylim(1.75, 4.25)

    return fig


@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.05974, '1.4': 3.7}.get(MPL_VERSION, 0.0033),
                               savefig_kwargs={'dpi': 300}, remove_text=True)
def test_station_plot_replace():
    """Test that locations are properly replaced."""
    fig = plt.figure(figsize=(3, 3))

    # testing data
    x = np.array([1])
    y = np.array([1])

    # Make the plot
    sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=16)
    sp.plot_barb([20], [0])
    sp.plot_barb([5], [0])
    sp.plot_parameter('NW', [10.5], color='red')
    sp.plot_parameter('NW', [20], color='blue')

    sp.ax.set_xlim(-3, 3)
    sp.ax.set_ylim(-3, 3)

    return fig


@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.036, '1.4': 2.02}.get(MPL_VERSION, 0.00321),
                               savefig_kwargs={'dpi': 300}, remove_text=True)
def test_stationlayout_api():
    """Test the StationPlot API."""
    fig = plt.figure(figsize=(9, 9))

    # testing data
    x = np.array([1, 5])
    y = np.array([2, 4])
    data = {'temp': np.array([32., 212.]) * units.degF, 'u': np.array([2, 0]) * units.knots,
            'v': np.array([0, 5]) * units.knots, 'stid': ['KDEN', 'KSHV'], 'cover': [3, 8]}

    # Set up the layout
    layout = StationPlotLayout()
    layout.add_barb('u', 'v', units='knots')
    layout.add_value('NW', 'temp', fmt='0.1f', units=units.degC, color='darkred')
    layout.add_symbol('C', 'cover', sky_cover, color='magenta')
    layout.add_text((0, 2), 'stid', color='darkgrey')
    layout.add_value('NE', 'dewpt', color='green')  # This should be ignored

    # Make the plot
    sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=12)
    layout.plot(sp, data)

    sp.ax.set_xlim(0, 6)
    sp.ax.set_ylim(0, 6)

    return fig


def test_station_layout_odd_data():
    """Test more corner cases with data passed in."""
    fig = plt.figure(figsize=(9, 9))

    # Set up test layout
    layout = StationPlotLayout()
    layout.add_barb('u', 'v')
    layout.add_value('W', 'temperature', units='degF')

    # Now only use data without wind and no units
    data = {'temperature': [25.]}

    # Make the plot
    sp = StationPlot(fig.add_subplot(1, 1, 1), [1], [2], fontsize=12)
    layout.plot(sp, data)
    assert True


def test_station_layout_replace():
    """Test that layout locations are replaced."""
    layout = StationPlotLayout()
    layout.add_text('E', 'temperature')
    layout.add_value('E', 'dewpoint')
    assert 'E' in layout
    assert layout['E'][0] is StationPlotLayout.PlotTypes.value
    assert layout['E'][1] == 'dewpoint'


def test_station_layout_names():
    """Test getting station layout names."""
    layout = StationPlotLayout()
    layout.add_barb('u', 'v')
    layout.add_text('E', 'stid')
    layout.add_value('W', 'temp')
    layout.add_symbol('C', 'cover', lambda x: x)
    assert sorted(layout.names()) == ['cover', 'stid', 'temp', 'u', 'v']


@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.05447, '1.4': 3.0}.get(MPL_VERSION, 0.0039),
                               savefig_kwargs={'dpi': 300}, remove_text=True)
def test_simple_layout():
    """Test metpy's simple layout for station plots."""
    fig = plt.figure(figsize=(9, 9))

    # testing data
    x = np.array([1, 5])
    y = np.array([2, 4])
    data = {'air_temperature': np.array([32., 212.]) * units.degF,
            'dew_point_temperature': np.array([28., 80.]) * units.degF,
            'air_pressure_at_sea_level': np.array([29.92, 28.00]) * units.inHg,
            'eastward_wind': np.array([2, 0]) * units.knots,
            'northward_wind': np.array([0, 5]) * units.knots, 'cloud_coverage': [3, 8],
            'present_weather': [65, 75], 'unused': [1, 2]}

    # Make the plot
    sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=12)
    simple_layout.plot(sp, data)

    sp.ax.set_xlim(0, 6)
    sp.ax.set_ylim(0, 6)

    return fig


@pytest.mark.mpl_image_compare(tolerance={'1.4': 7.02}.get(MPL_VERSION, 0.1848),
                               savefig_kwargs={'dpi': 300}, remove_text=True)
def test_nws_layout():
    """Test metpy's NWS layout for station plots."""
    fig = plt.figure(figsize=(3, 3))

    # testing data
    x = np.array([1])
    y = np.array([2])
    data = {'air_temperature': np.array([77]) * units.degF,
            'dew_point_temperature': np.array([71]) * units.degF,
            'air_pressure_at_sea_level': np.array([999.8]) * units('mbar'),
            'eastward_wind': np.array([15.]) * units.knots,
            'northward_wind': np.array([15.]) * units.knots, 'cloud_coverage': [7],
            'present_weather': [80], 'high_cloud_type': [1], 'medium_cloud_type': [3],
            'low_cloud_type': [2], 'visibility_in_air': np.array([5.]) * units.mile,
            'tendency_of_air_pressure': np.array([-0.3]) * units('mbar'),
            'tendency_of_air_pressure_symbol': [8]}

    # Make the plot
    sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=12, spacing=16)
    nws_layout.plot(sp, data)

    sp.ax.set_xlim(0, 3)
    sp.ax.set_ylim(0, 3)

    return fig


@pytest.mark.mpl_image_compare(tolerance={'1.4': 6.68}.get(MPL_VERSION, 1.05),
                               remove_text=True)
def test_plot_text_fontsize():
    """Test changing fontsize in plot_text."""
    fig = plt.figure(figsize=(3, 3))
    ax = plt.subplot(1, 1, 1)

    # testing data
    x = np.array([1])
    y = np.array([2])

    # Make the plot
    sp = StationPlot(ax, x, y, fontsize=36)
    sp.plot_text('NW', ['72'], fontsize=24)
    sp.plot_text('SW', ['60'], fontsize=4)

    sp.ax.set_xlim(0, 3)
    sp.ax.set_ylim(0, 3)

    return fig


@pytest.mark.mpl_image_compare(tolerance={'1.4': 26.8}.get(MPL_VERSION, 1.05),
                               remove_text=True)
def test_plot_symbol_fontsize():
    """Test changing fontsize in plotting of symbols."""
    fig = plt.figure(figsize=(3, 3))
    ax = plt.subplot(1, 1, 1)

    sp = StationPlot(ax, [0], [0], fontsize=8, spacing=32)
    sp.plot_symbol('E', [92], current_weather)
    sp.plot_symbol('W', [96], current_weather, fontsize=100)

    return fig


def test_layout_str():
    """Test layout string representation."""
    layout = StationPlotLayout()
    layout.add_barb('u', 'v')
    layout.add_text('E', 'stid')
    layout.add_value('W', 'temp')
    layout.add_symbol('C', 'cover', lambda x: x)
    assert str(layout) == ('{C: (symbol, cover, ...), E: (text, stid, ...), '
                           'W: (value, temp, ...), barb: (barb, (\'u\', \'v\'), ...)}')


1		# Copyright (c) 2008-2015 MetPy Developers.
2		# Distributed under the terms of the BSD 3-Clause License.
3		# SPDX-License-Identifier: BSD-3-Clause
4		"""Tests for the `station_plot` module."""
5
6		import matplotlib
7		import matplotlib.pyplot as plt
8		import numpy as np
9		import pytest
10
11		from metpy.plots import nws_layout, simple_layout, StationPlot, StationPlotLayout
12		from metpy.plots.wx_symbols import current_weather, high_clouds, sky_cover
13		# Fixtures to make sure we have the right backend and consistent round
14		from metpy.testing import patch_round, set_agg_backend # noqa: F401
15		from metpy.units import units
16
17
18		MPL_VERSION = matplotlib.__version__[:3]
19
20
21	View Code Duplication	@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.04625, '1.4': 4.1}.get(MPL_VERSION, 0.0033),
		0 ignored issues – show Duplication introduced 2016-12-06 22:31 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
22		savefig_kwargs={'dpi': 300}, remove_text=True)
23		def test_stationplot_api():
24		"""Test the StationPlot API."""
25		fig = plt.figure(figsize=(9, 9))
26
27		# testing data
28		x = np.array([1, 5])
29		y = np.array([2, 4])
30
31		# Make the plot
32		sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=16)
33		sp.plot_barb([20, 0], [0, -50])
34		sp.plot_text('E', ['KOKC', 'ICT'], color='blue')
35		sp.plot_parameter('NW', [10.5, 15] * units.degC, color='red')
36		sp.plot_symbol('S', [5, 7], high_clouds, color='green')
37
38		sp.ax.set_xlim(0, 6)
39		sp.ax.set_ylim(0, 6)
40
41		return fig
42
43
44	View Code Duplication	@pytest.mark.mpl_image_compare(tolerance={'1.4': 2.81}.get(MPL_VERSION, 0.003),
		0 ignored issues – show Duplication introduced 2017-09-07 20:49 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
45		savefig_kwargs={'dpi': 300}, remove_text=True)
46		def test_stationplot_clipping():
47		"""Test the that clipping can be enabled as a default parameter."""
48		fig = plt.figure(figsize=(9, 9))
49
50		# testing data
51		x = np.array([1, 5])
52		y = np.array([2, 4])
53
54		# Make the plot
55		sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=16, clip_on=True)
56		sp.plot_barb([20, 0], [0, -50])
57		sp.plot_text('E', ['KOKC', 'ICT'], color='blue')
58		sp.plot_parameter('NW', [10.5, 15] * units.degC, color='red')
59		sp.plot_symbol('S', [5, 7], high_clouds, color='green')
60
61		sp.ax.set_xlim(1, 5)
62		sp.ax.set_ylim(1.75, 4.25)
63
64		return fig
65
66
67		@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.05974, '1.4': 3.7}.get(MPL_VERSION, 0.0033),
68		savefig_kwargs={'dpi': 300}, remove_text=True)
69		def test_station_plot_replace():
70		"""Test that locations are properly replaced."""
71		fig = plt.figure(figsize=(3, 3))
72
73		# testing data
74		x = np.array([1])
75		y = np.array([1])
76
77		# Make the plot
78		sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=16)
79		sp.plot_barb([20], [0])
80		sp.plot_barb([5], [0])
81		sp.plot_parameter('NW', [10.5], color='red')
82		sp.plot_parameter('NW', [20], color='blue')
83
84		sp.ax.set_xlim(-3, 3)
85		sp.ax.set_ylim(-3, 3)
86
87		return fig
88
89
90		@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.036, '1.4': 2.02}.get(MPL_VERSION, 0.00321),
91		savefig_kwargs={'dpi': 300}, remove_text=True)
92		def test_stationlayout_api():
93		"""Test the StationPlot API."""
94		fig = plt.figure(figsize=(9, 9))
95
96		# testing data
97		x = np.array([1, 5])
98		y = np.array([2, 4])
99		data = {'temp': np.array([32., 212.]) * units.degF, 'u': np.array([2, 0]) * units.knots,
100		'v': np.array([0, 5]) * units.knots, 'stid': ['KDEN', 'KSHV'], 'cover': [3, 8]}
101
102		# Set up the layout
103		layout = StationPlotLayout()
104		layout.add_barb('u', 'v', units='knots')
105		layout.add_value('NW', 'temp', fmt='0.1f', units=units.degC, color='darkred')
106		layout.add_symbol('C', 'cover', sky_cover, color='magenta')
107		layout.add_text((0, 2), 'stid', color='darkgrey')
108		layout.add_value('NE', 'dewpt', color='green') # This should be ignored
109
110		# Make the plot
111		sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=12)
112		layout.plot(sp, data)
113
114		sp.ax.set_xlim(0, 6)
115		sp.ax.set_ylim(0, 6)
116
117		return fig
118
119
120		def test_station_layout_odd_data():
121		"""Test more corner cases with data passed in."""
122		fig = plt.figure(figsize=(9, 9))
123
124		# Set up test layout
125		layout = StationPlotLayout()
126		layout.add_barb('u', 'v')
127		layout.add_value('W', 'temperature', units='degF')
128
129		# Now only use data without wind and no units
130		data = {'temperature': [25.]}
131
132		# Make the plot
133		sp = StationPlot(fig.add_subplot(1, 1, 1), [1], [2], fontsize=12)
134		layout.plot(sp, data)
135		assert True
136
137
138		def test_station_layout_replace():
139		"""Test that layout locations are replaced."""
140		layout = StationPlotLayout()
141		layout.add_text('E', 'temperature')
142		layout.add_value('E', 'dewpoint')
143		assert 'E' in layout
144		assert layout['E'][0] is StationPlotLayout.PlotTypes.value
145		assert layout['E'][1] == 'dewpoint'
146
147
148		def test_station_layout_names():
149		"""Test getting station layout names."""
150		layout = StationPlotLayout()
151		layout.add_barb('u', 'v')
152		layout.add_text('E', 'stid')
153		layout.add_value('W', 'temp')
154		layout.add_symbol('C', 'cover', lambda x: x)
155		assert sorted(layout.names()) == ['cover', 'stid', 'temp', 'u', 'v']
156
157
158		@pytest.mark.mpl_image_compare(tolerance={'1.5': 0.05447, '1.4': 3.0}.get(MPL_VERSION, 0.0039),
159		savefig_kwargs={'dpi': 300}, remove_text=True)
160		def test_simple_layout():
161		"""Test metpy's simple layout for station plots."""
162		fig = plt.figure(figsize=(9, 9))
163
164		# testing data
165		x = np.array([1, 5])
166		y = np.array([2, 4])
167		data = {'air_temperature': np.array([32., 212.]) * units.degF,
168		'dew_point_temperature': np.array([28., 80.]) * units.degF,
169		'air_pressure_at_sea_level': np.array([29.92, 28.00]) * units.inHg,
170		'eastward_wind': np.array([2, 0]) * units.knots,
171		'northward_wind': np.array([0, 5]) * units.knots, 'cloud_coverage': [3, 8],
172		'present_weather': [65, 75], 'unused': [1, 2]}
173
174		# Make the plot
175		sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=12)
176		simple_layout.plot(sp, data)
177
178		sp.ax.set_xlim(0, 6)
179		sp.ax.set_ylim(0, 6)
180
181		return fig
182
183
184		@pytest.mark.mpl_image_compare(tolerance={'1.4': 7.02}.get(MPL_VERSION, 0.1848),
185		savefig_kwargs={'dpi': 300}, remove_text=True)
186		def test_nws_layout():
187		"""Test metpy's NWS layout for station plots."""
188		fig = plt.figure(figsize=(3, 3))
189
190		# testing data
191		x = np.array([1])
192		y = np.array([2])
193		data = {'air_temperature': np.array([77]) * units.degF,
194		'dew_point_temperature': np.array([71]) * units.degF,
195		'air_pressure_at_sea_level': np.array([999.8]) * units('mbar'),
196		'eastward_wind': np.array([15.]) * units.knots,
197		'northward_wind': np.array([15.]) * units.knots, 'cloud_coverage': [7],
198		'present_weather': [80], 'high_cloud_type': [1], 'medium_cloud_type': [3],
199		'low_cloud_type': [2], 'visibility_in_air': np.array([5.]) * units.mile,
200		'tendency_of_air_pressure': np.array([-0.3]) * units('mbar'),
201		'tendency_of_air_pressure_symbol': [8]}
202
203		# Make the plot
204		sp = StationPlot(fig.add_subplot(1, 1, 1), x, y, fontsize=12, spacing=16)
205		nws_layout.plot(sp, data)
206
207		sp.ax.set_xlim(0, 3)
208		sp.ax.set_ylim(0, 3)
209
210		return fig
211
212
213		@pytest.mark.mpl_image_compare(tolerance={'1.4': 6.68}.get(MPL_VERSION, 1.05),
214		remove_text=True)
215		def test_plot_text_fontsize():
216		"""Test changing fontsize in plot_text."""
217		fig = plt.figure(figsize=(3, 3))
218		ax = plt.subplot(1, 1, 1)
219
220		# testing data
221		x = np.array([1])
222		y = np.array([2])
223
224		# Make the plot
225		sp = StationPlot(ax, x, y, fontsize=36)
226		sp.plot_text('NW', ['72'], fontsize=24)
227		sp.plot_text('SW', ['60'], fontsize=4)
228
229		sp.ax.set_xlim(0, 3)
230		sp.ax.set_ylim(0, 3)
231
232		return fig
233
234
235		@pytest.mark.mpl_image_compare(tolerance={'1.4': 26.8}.get(MPL_VERSION, 1.05),
236		remove_text=True)
237		def test_plot_symbol_fontsize():
238		"""Test changing fontsize in plotting of symbols."""
239		fig = plt.figure(figsize=(3, 3))
240		ax = plt.subplot(1, 1, 1)
241
242		sp = StationPlot(ax, [0], [0], fontsize=8, spacing=32)
243		sp.plot_symbol('E', [92], current_weather)
244		sp.plot_symbol('W', [96], current_weather, fontsize=100)
245
246		return fig
247
248
249		def test_layout_str():
250		"""Test layout string representation."""
251		layout = StationPlotLayout()
252		layout.add_barb('u', 'v')
253		layout.add_text('E', 'stid')
254		layout.add_value('W', 'temp')
255		layout.add_symbol('C', 'cover', lambda x: x)
256		assert str(layout) == ('{C: (symbol, cover, ...), E: (text, stid, ...), '
257		'W: (value, temp, ...), barb: (barb, (\'u\', \'v\'), ...)}')
258

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Pull Request — master (#552)

test_stationplot_clipping() A

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