def test_tap_listener_on_tap_emits_action():
x, y = 1, 2 # different values to assert order
listener = unittest.mock.Mock()
figure = bokeh.plotting.figure()
event = bokeh.events.Tap(figure, x=x, y=y)
tap_listener = screen.TapListener()
tap_listener.add_subscriber(listener)
tap_listener.update_xy(event)
listener.assert_called_once_with(screen.set_position(x, y))
def test_series_set_position_action():
action = screen.set_position(0, 0)
assert action == {"kind": screen.SET_POSITION, "payload": {"x": 0, "y": 0}}
def test_position_reducer_immutable_state():
state = {"position": {"x": 1, "y": 1}}
next_state = screen.reducer(state, screen.set_position(0, 0))
assert state == {"position": {"x": 1, "y": 1}}
assert next_state == {"position": {"x": 0, "y": 0}}
def test_position_reducer():
state = screen.reducer({}, screen.set_position(0, 0))
assert state == {"position": {"x": 0, "y": 0}}
import bokeh.plotting
from forest import screen, redux, rx, db
def test_position_reducer():
state = screen.reducer({}, screen.set_position(0, 0))
assert state == {"position": {"x": 0, "y": 0}}
def test_position_reducer_immutable_state():
state = {"position": {"x": 1, "y": 1}}
next_state = screen.reducer(state, screen.set_position(0, 0))
assert state == {"position": {"x": 1, "y": 1}}
assert next_state == {"position": {"x": 0, "y": 0}}
@pytest.mark.parametrize("actions,expect", [
([], {}),
([screen.set_position(0, 0)], {"position": {"x": 0, "y": 0}}),
([db.set_value("key", "value")], {"key": "value"}),
([
screen.set_position(0, 0),
db.set_value("key", "value")], {
"key": "value",
"position": {"x": 0, "y": 0}}),
])
def test_combine_reducers(actions, expect):
reducer = redux.combine_reducers(screen.reducer, db.reducer)
state = {}
for action in actions:
state = reducer(state, action)
assert state == expect
def test_series_set_position_action():
state = screen.reducer({}, screen.set_position(0, 0))
assert state == {"position": {"x": 0, "y": 0}}
def test_position_reducer_immutable_state():
state = {"position": {"x": 1, "y": 1}}
next_state = screen.reducer(state, screen.set_position(0, 0))
assert state == {"position": {"x": 1, "y": 1}}
assert next_state == {"position": {"x": 0, "y": 0}}
@pytest.mark.parametrize(
"actions,expect",
[
([], {}),
([screen.set_position(0, 0)], {
"position": {
"x": 0,
"y": 0
}
}),
([forest.db.control.set_value("key", "value")], {
"key": "value"
}),
(
[
screen.set_position(0, 0),
forest.db.control.set_value("key", "value"),
],
{
"key": "value",