BehaviorSubject tests;
parent
49709f34e7
commit
3fe1ee4e92
10
rx.lua
10
rx.lua
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@ -1925,11 +1925,13 @@ function BehaviorSubject:subscribe(onNext, onError, onCompleted)
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observer = Observer.create(onNext, onError, onCompleted)
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end
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Subject.subscribe(self, observer)
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local subscription = Subject.subscribe(self, observer)
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if self.value then
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observer:onNext(unpack(self.value))
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end
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return subscription
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end
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--- Pushes zero or more values to the BehaviorSubject. They will be broadcasted to all Observers.
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@ -1943,9 +1945,13 @@ end
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-- if nothing has been emitted yet.
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-- @returns {*...}
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function BehaviorSubject:getValue()
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return self.value and util.unpack(self.value)
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if self.value ~= nil then
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return util.unpack(self.value)
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end
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end
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BehaviorSubject.__call = BehaviorSubject.onNext
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Observable.wrap = Observable.buffer
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Observable['repeat'] = Observable.replicate
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@ -39,11 +39,13 @@ function BehaviorSubject:subscribe(onNext, onError, onCompleted)
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observer = Observer.create(onNext, onError, onCompleted)
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end
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Subject.subscribe(self, observer)
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local subscription = Subject.subscribe(self, observer)
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if self.value then
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observer:onNext(unpack(self.value))
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end
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return subscription
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end
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--- Pushes zero or more values to the BehaviorSubject. They will be broadcasted to all Observers.
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@ -57,7 +59,11 @@ end
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-- if nothing has been emitted yet.
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-- @returns {*...}
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function BehaviorSubject:getValue()
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return self.value and util.unpack(self.value)
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if self.value ~= nil then
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return util.unpack(self.value)
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end
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end
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BehaviorSubject.__call = BehaviorSubject.onNext
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return BehaviorSubject
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@ -0,0 +1,112 @@
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describe('BehaviorSubject', function()
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describe('create', function()
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it('returns a BehaviorSubject', function()
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expect(Rx.BehaviorSubject.create()).to.be.an(Rx.BehaviorSubject)
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end)
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it('sets the initial value based on the arguments', function()
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local subject = Rx.BehaviorSubject.create(1, 2, 3)
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expect({subject:getValue()}).to.equal({1, 2, 3})
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end)
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end)
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describe('subscribe', function()
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it('returns a Subscription', function()
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local subject = Rx.BehaviorSubject.create()
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local observer = Rx.Observer.create()
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expect(subject:subscribe(observer)).to.be.an(Rx.Subscription)
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end)
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it('accepts 3 functions as arguments', function()
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local onNext, onCompleted = spy(), spy()
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local subject = Rx.BehaviorSubject.create()
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subject:subscribe(onNext, nil, onCompleted)
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subject:onNext(5)
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subject:onCompleted()
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expect(onNext).to.equal({{5}})
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expect(#onCompleted).to.equal(1)
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end)
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it('calls onNext with the current value', function()
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local subject = Rx.BehaviorSubject.create()
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local observer = Rx.Observer.create()
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local onNext = spy(observer, '_onNext')
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subject:onNext(5)
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subject:subscribe(observer)
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expect(onNext).to.equal({{5}})
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end)
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end)
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describe('onNext', function()
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it('pushes values to all subscribers', function()
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local observers = {}
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local spies = {}
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for i = 1, 2 do
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observers[i] = Rx.Observer.create()
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spies[i] = spy(observers[i], '_onNext')
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end
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local subject = Rx.BehaviorSubject.create()
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subject:subscribe(observers[1])
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subject:subscribe(observers[2])
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subject:onNext(1)
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subject:onNext(2)
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subject:onNext(3)
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expect(spies[1]).to.equal({{1}, {2}, {3}})
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expect(spies[2]).to.equal({{1}, {2}, {3}})
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end)
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it('can be called using function syntax', function()
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local observer = Rx.Observer.create()
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local subject = Rx.BehaviorSubject.create()
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local onNext = spy(observer, 'onNext')
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subject:subscribe(observer)
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subject(4)
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expect(#onNext).to.equal(1)
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end)
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it('sets the current value', function()
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local subject = Rx.BehaviorSubject.create()
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subject:onNext(1, 2, 3)
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expect({subject:getValue()}).to.equal({1, 2, 3})
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subject:onNext(4, 5, 6)
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expect({subject:getValue()}).to.equal({4, 5, 6})
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end)
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end)
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describe('onError', function()
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it('pushes errors to all subscribers', function()
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local observers = {}
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local spies = {}
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for i = 1, 2 do
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observers[i] = Rx.Observer.create(nil, function() end, nil)
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spies[i] = spy(observers[i], '_onError')
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end
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local subject = Rx.BehaviorSubject.create()
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subject:subscribe(observers[1])
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subject:subscribe(observers[2])
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subject:onError('ohno')
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expect(spies[1]).to.equal({{'ohno'}})
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expect(spies[2]).to.equal({{'ohno'}})
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end)
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end)
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describe('onCompleted', function()
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it('notifies all subscribers of completion', function()
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local observers = {}
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local spies = {}
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for i = 1, 2 do
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observers[i] = Rx.Observer.create(nil, function() end, nil)
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spies[i] = spy(observers[i], '_onCompleted')
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end
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local subject = Rx.BehaviorSubject.create()
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subject:subscribe(observers[1])
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subject:subscribe(observers[2])
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subject:onCompleted()
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expect(#spies[1]).to.equal(1)
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expect(#spies[2]).to.equal(1)
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end)
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end)
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end)
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@ -58,7 +58,9 @@ else
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'observer',
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'observable',
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'subscription',
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'asyncsubject'
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'subject',
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'asyncsubject',
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'behaviorsubject'
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}
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for i, file in ipairs(files) do
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