def test_list_tuple_2_float():
with nt.assert_raises(ValueError):
c = interactive(f, tup=(1.0,1.0))
with nt.assert_raises(ValueError):
c = interactive(f, tup=(0.5,-0.5))
for min, max in [ (0.5, 1.5), (1.1,10.2), (1,2.2), (-5.,5), (-20,-19.) ]:
c = interactive(f, tup=(min, max), lis=[min, max])
nt.assert_equal(len(c.children), 2)
d = dict(
cls=widgets.FloatSlider,
min=min,
max=max,
step=.1,
readout=True,
)
check_widgets(c, tup=d, lis=d)
def test_default_values():
@annotate(n=10, f=(0, 10.), g=5, h={'a': 1, 'b': 2}, j=['hi', 'there'])
def f(n, f=4.5, g=1, h=2, j='there'):
pass
c = interactive(f)
check_widgets(c,
n=dict(
cls=widgets.IntSlider,
value=10,
),
f=dict(
cls=widgets.FloatSlider,
value=4.5,
),
g=dict(
cls=widgets.IntSlider,
value=5,
),
h=dict(
cls=widgets.Dropdown,
options={'a': 1, 'b': 2},
value=2
),
j=dict(
cls=widgets.Dropdown,
options=['hi', 'there'],
value='there'
),
)
def test_list_tuple_3_int():
with nt.assert_raises(ValueError):
c = interactive(f, tup=(1,2,0))
with nt.assert_raises(ValueError):
c = interactive(f, tup=(1,2,-1))
for min, max, step in [ (0,2,1), (1,10,2), (1,100,2), (-5,5,4), (-100,-20,4) ]:
c = interactive(f, tup=(min, max, step), lis=[min, max, step])
nt.assert_equal(len(c.children), 2)
d = dict(
cls=widgets.IntSlider,
min=min,
max=max,
step=step,
readout=True,
)
check_widgets(c, tup=d, lis=d)
def test_interact_manual_nocall():
callcount = 0
def calltest(testarg):
callcount += 1
c = interactive(calltest, testarg=5, __manual=True)
c.children[0].value = 10
nt.assert_equal(callcount, 0)
def test_list_tuple_str():
values = ['hello', 'there', 'guy']
first = values[0]
c = interactive(f, tup=tuple(values), lis=list(values))
nt.assert_equal(len(c.children), 2)
d = dict(cls=widgets.Dropdown, value=first, options=values)
check_widgets(c, tup=d, lis=d)
def test_default_description():
c = interactive(f, b='text')
w = c.children[0]
check_widget(w,
cls=widgets.Text,
value='text',
description='b',
)
def test_single_value_bool():
for a in (True, False):
c = interactive(f, a=a)
w = c.children[0]
check_widget(w,
cls=widgets.Checkbox,
description='a',
value=a,
)
def test_list_tuple_3_float():
with nt.assert_raises(ValueError):
c = interactive(f, tup=(1,2,0.0))
with nt.assert_raises(ValueError):
c = interactive(f, tup=(-1,-2,1.))
with nt.assert_raises(ValueError):
c = interactive(f, tup=(1,2.,-1.))
for min, max, step in [ (0.,2,1), (1,10.,2), (1,100,2.), (-5.,5.,4), (-100,-20.,4.) ]:
c = interactive(f, tup=(min, max, step), lis=[min, max, step])
nt.assert_equal(len(c.children), 2)
d = dict(
cls=widgets.FloatSlider,
min=min,
max=max,
step=step,
readout=True,
)
check_widgets(c, tup=d, lis=d)
def test_single_value_string():
a = u'hello'
c = interactive(f, a=a)
w = c.children[0]
check_widget(w,
cls=widgets.Text,
description='a',
value=a,
)
def test_fixed():
c = interactive(f, a=widgets.fixed(5), b='text')
nt.assert_equal(len(c.children), 1)
w = c.children[0]
check_widget(w,
cls=widgets.Text,
value='text',
description='b',
)
def test_list_tuple_invalid():
for bad in [
(),
(5, 'hi'),
('hi', 5),
({},),
(None,),
]:
with nt.assert_raises(ValueError):
print(bad) # because there is no custom message in assert_raises
c = interactive(f, tup=bad)
def test_list_tuple_str():
values = ['hello', 'there', 'guy']
first = values[0]
c = interactive(f, tup=tuple(values), lis=list(values))
nt.assert_equal(len(c.children), 2)
d = dict(
cls=widgets.Dropdown,
value=first,
options=values
)
check_widgets(c, tup=d, lis=d)
def test_single_value_dict():
for d in [
dict(a=5),
dict(a=5, b='b', c=dict),
]:
c = interactive(f, d=d)
w = c.children[0]
check_widget(w,
cls=widgets.Dropdown,
description='d',
options=d,
value=next(iter(d.values())),
)
def test_single_value_float():
for a in (2.25, 1.0, -3.5):
c = interactive(f, a=a)
w = c.children[0]
check_widget(w,
cls=widgets.FloatSlider,
description='a',
value=a,
min= -a if a > 0 else 3*a,
max= 3*a if a > 0 else -a,
step=0.1,
readout=True,
)
def test_single_value_int():
for a in (1, 5, -3):
c = interactive(f, a=a)
nt.assert_equal(len(c.children), 1)
w = c.children[0]
check_widget(w,
cls=widgets.IntSlider,
description='a',
value=a,
min= -a if a > 0 else 3*a,
max= 3*a if a > 0 else -a,
step=1,
readout=True,
)
def test_annotations():
@annotate(n=10, f=widgets.FloatText())
def f(n, f):
pass
c = interactive(f)
check_widgets(
c,
n=dict(
cls=widgets.IntSlider,
value=10,
),
f=dict(cls=widgets.FloatText, ),
)
def test_custom_description():
d = {}
def record_kwargs(**kwargs):
d.clear()
d.update(kwargs)
c = interactive(record_kwargs, b=widgets.Text(value='text', description='foo'))
w = c.children[0]
check_widget(w,
cls=widgets.Text,
value='text',
description='foo',
)
w.value = 'different text'
nt.assert_equal(d, {'b': 'different text'})
def test_annotations():
@annotate(n=10, f=widgets.FloatText())
def f(n, f):
pass
c = interactive(f)
check_widgets(c,
n=dict(
cls=widgets.IntSlider,
value=10,
),
f=dict(
cls=widgets.FloatText,
),
)
def test_priority():
@annotate(annotate='annotate', kwarg='annotate')
def f(kwarg='default', annotate='default', default='default'):
pass
c = interactive(f, kwarg='kwarg')
check_widgets(c,
kwarg=dict(
cls=widgets.Text,
value='kwarg',
),
annotate=dict(
cls=widgets.Text,
value='annotate',
),
)
def test_defaults():
@annotate(n=10)
def f(n, f=4.5, g=1):
pass
c = interactive(f)
check_widgets(c,
n=dict(
cls=widgets.IntSlider,
value=10,
),
f=dict(
cls=widgets.FloatSlider,
value=4.5,
),
g=dict(
cls=widgets.IntSlider,
value=1,
),
)
def test_default_out_of_bounds():
@annotate(f=(0, 10.), h={'a': 1}, j=['hi', 'there'])
def f(f='hi', h=5, j='other'):
pass
c = interactive(f)
check_widgets(c,
f=dict(
cls=widgets.FloatSlider,
value=5.,
),
h=dict(
cls=widgets.Dropdown,
options={'a': 1},
value=1,
),
j=dict(
cls=widgets.Dropdown,
options=['hi', 'there'],
value='hi',
),
)
def test_interact_manual_button():
c = interactive(f, __manual=True)
w = c.children[0]
check_widget(w, cls=widgets.Button)
