def test_source_limits_on_change(listener, sources, low, high):
source_limits = colors.SourceLimits()
for source in sources:
source_limits.add_source(source)
source_limits.add_subscriber(listener)
source_limits.on_change(None, None, None) # attr, old, new
listener.assert_called_once_with(colors.set_source_limits(low, high))
def test_limits_reducer_source():
low, high = 42, 1729
action = colors.set_source_limits(low, high)
state = colors.limits_reducer({}, action)
origin = "column_data_source"
assert state["colorbar"]["limits"][origin]["low"] == low
assert state["colorbar"]["limits"][origin]["high"] == high
def test_middleware_given_fixed_allows_source_limit_actions():
log = Log()
store = redux.Store(colors.reducer, middlewares=[colors.palettes, log])
actions = [colors.set_source_limits(0, 100)]
for action in actions:
store.dispatch(action)
assert log.actions == actions
assert store.state == {"colorbar": {"low": 0, "high": 100}}
def test_middleware_given_fixed_swallows_source_limit_actions():
log = Log()
store = redux.Store(colors.reducer, middlewares=[colors.palettes, log])
actions = [colors.set_fixed(True), colors.set_source_limits(0, 100)]
for action in actions:
store.dispatch(action)
assert log.actions == [colors.set_fixed(True)]
assert store.state == {"colorbar": {"fixed": True}}
({}, colors.set_palette_numbers([1, 2, 3]), {
"colorbar": {
"numbers": [1, 2, 3]
}
}),
({}, colors.set_user_high(100), {
"colorbar": {
"high": 100
}
}),
({}, colors.set_user_low(0), {
"colorbar": {
"low": 0
}
}),
({}, colors.set_source_limits(0, 100), {
"colorbar": {
"low": 0,
"high": 100
}
}),
])
def test_reducer(state, action, expect):
result = colors.reducer(state, action)
assert expect == result
def test_reducer_immutable_state():
state = {"colorbar": {"number": 1}}
colors.reducer(state, colors.set_palette_number(3))
assert state["colorbar"]["number"] == 1
def test_middleware_given_fixed_allows_source_limit_actions():
store = redux.Store(colors.reducer)
action = colors.set_source_limits(0, 100)
assert list(colors.palettes(store, action)) == [action]
def test_middleware_given_fixed_swallows_source_limit_actions():
store = redux.Store(colors.reducer, middlewares=[colors.palettes])
store.dispatch(colors.set_fixed(True))
action = colors.set_source_limits(0, 100)
assert list(colors.palettes(store, action)) == []
assert store.state == {"colorbar": {"fixed": True}}
