def test_limits_middleware():
# Swallow actions that don't change state
middleware = colors.middleware()
store = None
result = []
actions = [colors.set_user_low(0.0000001), colors.set_user_low(0.0000001)]
for action in actions:
result += list(middleware(store, action))
assert result == [actions[0]]
({}, colors.set_palette_number(3), {
"colorbar": {
"number": 3
}
}),
({}, 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_limits_reducer_user_low():
number = 42
action = colors.set_user_low(number)
state = colors.limits_reducer({}, action)
origin = "user"
assert state["colorbar"]["limits"][origin]["low"] == number