RxLua/tests/all.lua
2015-10-24 15:12:37 -07:00

26 lines
978 B
Lua

describe('all', function()
it('passes through errors', function()
local observable = Rx.Observable.create(function(observer) observer:onError() end)
expect(observable.subscribe).to.fail()
expect(observable:all().subscribe).to.fail()
end)
it('produces true if all elements satisfy the predicate', function()
local observable = Rx.Observable.fromRange(5):all(function(x) return x < 10 end)
expect(observable).to.produce({{true}})
end)
it('produces false if one element does not satisfy the predicate', function()
local observable = Rx.Observable.fromRange(5):all(function(x) return x ~= 3 end)
expect(observable).to.produce({{false}})
end)
it('uses the identity function as a predicate if none is specified', function()
local observable = Rx.Observable.fromValue(false):all()
expect(observable).to.produce({{false}})
observable = Rx.Observable.fromValue(true):all()
expect(observable).to.produce({{true}})
end)
end)