22 lines
777 B
Lua
22 lines
777 B
Lua
describe('distinct', function()
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it('does not produce the same value twice', function()
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local observable = Rx.Observable.fromTable({1, 1, 2, 1, 3, 3, 2, 1, 4}, ipairs):distinct()
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expect(observable).to.produce(1, 2, 3, 4)
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end)
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it('produces an error if its parent errors', function()
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local observable = Rx.Observable.fromValue(''):map(function(x) return x() end)
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expect(observable.subscribe).to.fail()
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expect(observable:distinct().subscribe).to.fail()
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end)
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it('completes when its parent completes', function()
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local subject = Rx.Subject.create()
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local onCompleted = spy()
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subject:distinct():subscribe(nil, nil, onCompleted)
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expect(#onCompleted).to.equal(0)
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subject:onCompleted()
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expect(#onCompleted).to.equal(1)
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end)
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end)
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