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
|
from math import isclose
import pytest
import pyqtgraph as pg
app = pg.mkQApp()
def test_AxisItem_stopAxisAtTick(monkeypatch):
def test_bottom(p, axisSpec, tickSpecs, textSpecs):
viewPixelSize = view.viewPixelSize()
assert isclose(view.mapToView(axisSpec[1]).x(), 0.25, abs_tol=viewPixelSize[0])
assert isclose(view.mapToView(axisSpec[2]).x(), 0.75, abs_tol=viewPixelSize[0])
def test_left(p, axisSpec, tickSpecs, textSpecs):
viewPixelSize = view.viewPixelSize()
assert isclose(view.mapToView(axisSpec[1]).y(), 0.875, abs_tol=viewPixelSize[1])
assert isclose(view.mapToView(axisSpec[2]).y(), 0.125, abs_tol=viewPixelSize[1])
plot = pg.PlotWidget()
view = plot.plotItem.getViewBox()
bottom = plot.getAxis("bottom")
bottom.setRange(0, 1)
bticks = [(0.25, "a"), (0.6, "b"), (0.75, "c")]
bottom.setTicks([bticks, bticks])
bottom.setStyle(stopAxisAtTick=(True, True))
monkeypatch.setattr(bottom, "drawPicture", test_bottom)
left = plot.getAxis("left")
lticks = [(0.125, "a"), (0.55, "b"), (0.875, "c")]
left.setTicks([lticks, lticks])
left.setRange(0, 1)
left.setStyle(stopAxisAtTick=(True, True))
monkeypatch.setattr(left, "drawPicture", test_left)
plot.show()
app.processEvents()
plot.close()
def test_AxisItem_viewUnlink():
plot = pg.PlotWidget()
view = plot.plotItem.getViewBox()
axis = plot.getAxis("bottom")
assert axis.linkedView() == view
axis.unlinkFromView()
assert axis.linkedView() is None
class FakeSignal:
def __init__(self):
self.calls = []
def connect(self, *args, **kwargs):
self.calls.append('connect')
def disconnect(self, *args, **kwargs):
self.calls.append('disconnect')
class FakeView:
def __init__(self):
self.sigYRangeChanged = FakeSignal()
self.sigXRangeChanged = FakeSignal()
self.sigResized = FakeSignal()
def test_AxisItem_bottomRelink():
axis = pg.AxisItem('bottom')
fake_view = FakeView()
axis.linkToView(fake_view)
assert axis.linkedView() == fake_view
assert fake_view.sigYRangeChanged.calls == []
assert fake_view.sigXRangeChanged.calls == ['connect']
assert fake_view.sigResized.calls == ['connect']
axis.unlinkFromView()
assert fake_view.sigYRangeChanged.calls == []
assert fake_view.sigXRangeChanged.calls == ['connect', 'disconnect']
assert fake_view.sigResized.calls == ['connect', 'disconnect']
def test_AxisItem_leftRelink():
axis = pg.AxisItem('left')
fake_view = FakeView()
axis.linkToView(fake_view)
assert axis.linkedView() == fake_view
assert fake_view.sigYRangeChanged.calls == ['connect']
assert fake_view.sigXRangeChanged.calls == []
assert fake_view.sigResized.calls == ['connect']
axis.unlinkFromView()
assert fake_view.sigYRangeChanged.calls == ['connect', 'disconnect']
assert fake_view.sigXRangeChanged.calls == []
assert fake_view.sigResized.calls == ['connect', 'disconnect']
def test_AxisItem_tickFont(monkeypatch):
def collides(textSpecs):
fontMetrics = pg.Qt.QtGui.QFontMetrics(font)
for rect, _, text in textSpecs:
br = fontMetrics.tightBoundingRect(text)
if rect.height() < br.height() or rect.width() < br.width():
return True
return False
def test_collision(p, axisSpec, tickSpecs, textSpecs):
assert not collides(textSpecs)
plot = pg.PlotWidget()
bottom = plot.getAxis("bottom")
left = plot.getAxis("left")
font = bottom.linkedView().font()
font.setPointSize(25)
bottom.setStyle(tickFont=font)
left.setStyle(tickFont=font)
monkeypatch.setattr(bottom, "drawPicture", test_collision)
monkeypatch.setattr(left, "drawPicture", test_collision)
plot.show()
app.processEvents()
plot.close()
def test_AxisItem_label_visibility():
"""Test the visibility of the axis item using `setLabel`"""
axis = pg.AxisItem('left')
assert axis.labelText == ''
assert axis.labelUnits == ''
assert not axis.label.isVisible()
axis.setLabel(text='Position', units='mm')
assert axis.labelText == 'Position'
assert axis.labelUnits == 'mm'
assert axis.label.isVisible()
# XXX: `None` is converted to empty strings.
axis.setLabel(text=None, units=None)
assert axis.labelText == ''
assert axis.labelUnits == ''
assert not axis.label.isVisible()
axis.setLabel(text='Current', units=None)
assert axis.labelText == 'Current'
assert axis.labelUnits == ''
assert axis.label.isVisible()
axis.setLabel(text=None, units=None)
assert not axis.label.isVisible()
axis.setLabel(text='', units='V')
assert axis.labelText == ''
assert axis.labelUnits == 'V'
assert axis.label.isVisible()
@pytest.mark.parametrize(
"orientation,x,y,expected",
[
('top', False, True, False),
('top', True, False, True),
('left', False, True, True),
('left', True, False, False),
],
)
def test_AxisItem_setLogMode_two_args(orientation, x, y, expected):
axis = pg.AxisItem(orientation)
axis.setLogMode(x, y)
assert axis.logMode == expected
@pytest.mark.parametrize(
"orientation,log,expected",
[
('top', True, True),
('left', True, True),
('top', False, False),
('left', False, False),
],
)
def test_AxisItem_setLogMode_one_arg(orientation, log, expected):
axis = pg.AxisItem(orientation)
axis.setLogMode(log)
assert axis.logMode == expected
|
