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
|
from unittest.mock import MagicMock
import numpy as np
import pyqtgraph as pg
import pyqtgraph.parametertree as pt
from pyqtgraph.functions import eq
from pyqtgraph.parametertree.parameterTypes import ChecklistParameterItem
from pyqtgraph.Qt import QtCore, QtGui
import pytest
app = pg.mkQApp()
def _getWidget(param):
return list(param.items.keys())[0].widget
def test_typeless_param():
p = pt.Parameter.create(name='test', type=None, value=set())
p.setValue(range(4))
def test_opts():
paramSpec = [
dict(name='bool', type='bool', readonly=True),
dict(name='color', type='color', readonly=True),
dict(name='float', type='float', limits=None),
]
param = pt.Parameter.create(name='params', type='group', children=paramSpec)
tree = pt.ParameterTree()
tree.setParameters(param)
assert _getWidget(param.param('bool')).isEnabled() is False
assert _getWidget(param.param('bool')).isEnabled() is False
def test_types():
paramSpec = [
dict(name='float', type='float'),
dict(name='int', type='int'),
dict(name='str', type='str'),
dict(name='list', type='list', limits=['x','y','z']),
dict(name='dict', type='list', limits={'x':1, 'y':3, 'z':7}),
dict(name='bool', type='bool'),
dict(name='color', type='color'),
]
param = pt.Parameter.create(name='params', type='group', children=paramSpec)
tree = pt.ParameterTree()
tree.setParameters(param)
all_objs = {
'int0': 0, 'int':7, 'float': -0.35, 'bigfloat': 1e129, 'npfloat': np.float64(5),
'npint': np.int64(5),'npinf': np.inf, 'npnan': np.nan, 'bool': True,
'complex': 5+3j, 'str': '#xxx', 'unicode': 'µ',
'list': [1,2,3], 'dict': {'1': 2}, 'color': pg.mkColor('k'),
'brush': pg.mkBrush('k'), 'pen': pg.mkPen('k'), 'none': None
}
if hasattr(QtCore, 'QString'):
all_objs['qstring'] = QtCore.QString('xxxµ')
# float
types = ['int0', 'int', 'float', 'bigfloat', 'npfloat', 'npint', 'npinf', 'npnan', 'bool']
check_param_types(param.child('float'), float, float, 0.0, all_objs, types)
# int
types = ['int0', 'int', 'float', 'bigfloat', 'npfloat', 'npint', 'bool']
check_param_types(param.child('int'), int, int, 0, all_objs, types)
# str (should be able to make a string out of any type)
types = all_objs.keys()
check_param_types(param.child('str'), str, str, '', all_objs, types)
# bool (should be able to make a boolean out of any type?)
types = all_objs.keys()
check_param_types(param.child('bool'), bool, bool, False, all_objs, types)
# color
types = ['color', 'int0', 'int', 'float', 'npfloat', 'npint', 'list']
init = QtGui.QColor(128, 128, 128, 255)
check_param_types(param.child('color'), QtGui.QColor, pg.mkColor, init, all_objs, types)
def check_param_types(param, types, map_func, init, objs, keys):
"""Check that parameter setValue() accepts or rejects the correct types and
that value() returns the correct type.
Parameters
----------
param : Parameter instance
types : type or tuple of types
The allowed types for this parameter to return from value().
map_func : function
Converts an input value to the expected output value.
init : object
The expected initial value of the parameter
objs : dict
Contains a variety of objects that will be tested as arguments to
param.setValue().
keys : list
The list of keys indicating the valid objects in *objs*. When
param.setValue() is teasted with each value from *objs*, we expect
an exception to be raised if the associated key is not in *keys*.
"""
val = param.value()
if not isinstance(types, tuple):
types = (types,)
assert val == init and type(val) in types
# test valid input types
good_inputs = [objs[k] for k in keys if k in objs]
good_outputs = map(map_func, good_inputs)
for x,y in zip(good_inputs, good_outputs):
param.setValue(x)
val = param.value()
if not (eq(val, y) and type(val) in types):
raise Exception("Setting parameter %s with value %r should have resulted in %r (types: %r), "
"but resulted in %r (type: %r) instead." % (param, x, y, types, val, type(val)))
# test invalid input types
for k,v in objs.items():
if k in keys:
continue
try:
param.setValue(v)
except (TypeError, ValueError, OverflowError):
continue
except Exception as exc:
raise Exception("Setting %s parameter value to %r raised %r." % (param, v, exc))
raise Exception("Setting %s parameter value to %r should have raised an exception." % (param, v))
def test_limits_enforcement():
p = pt.Parameter.create(name='params', type='group', children=[
dict(name='float', type='float', limits=[0, 1]),
dict(name='int', type='int', bounds=[0, 1]),
dict(name='list', type='list', limits=['x', 'y']),
dict(name='dict', type='list', limits={'x': 1, 'y': 2}),
])
t = pt.ParameterTree()
t.setParameters(p)
for k, vin, vout in [('float', -1, 0),
('float', 2, 1),
('int', -1, 0),
('int', 2, 1),
('list', 'w', 'x'),
('dict', 'w', 1)]:
p[k] = vin
assert p[k] == vout
def test_data_race():
# Ensure widgets don't override user setting of param values whether
# they connect the signal before or after it's added to a tree
p = pt.Parameter.create(name='int', type='int', value=0)
t = pt.ParameterTree()
def override():
p.setValue(1)
p.sigValueChanged.connect(override)
t.setParameters(p)
pi = next(iter(p.items))
assert pi.param is p
pi.widget.setValue(2)
assert p.value() == pi.widget.value() == 1
p.sigValueChanged.disconnect(override)
p.sigValueChanged.connect(override)
pi.widget.setValue(2)
assert p.value() == pi.widget.value() == 1
def test_checklist_show_hide():
p = pt.Parameter.create(name='checklist', type='checklist', limits=["a", "b", "c"])
pi = ChecklistParameterItem(p, 0)
pi.setHidden = MagicMock()
p.hide()
pi.setHidden.assert_called_with(True)
assert not p.opts["visible"]
p.show()
pi.setHidden.assert_called_with(False)
assert p.opts["visible"]
def test_pen_settings():
# Option from constructor
p = pt.Parameter.create(name='test', type='pen', width=5, additionalname='test')
assert p.pen.width() == 5
# Opts from dynamic update
p.setOpts(width=3)
assert p.pen.width() == 3
# Opts from changing child
p["width"] = 10
assert p.pen.width() == 10
@pytest.mark.skipif(
pg.Qt.QT_LIB == "PySide2" and pg.Qt.QtVersion.startswith("5.15"),
reason="Seems to segfault on conda + pyside2 on CI"
)
def test_recreate_from_savestate():
from pyqtgraph.examples import _buildParamTypes
created = _buildParamTypes.makeAllParamTypes()
state = created.saveState()
created2 = pt.Parameter.create(**state)
assert pg.eq(state, created2.saveState())
|
