Test Observable.skip;

tests/observable.lua

@@ -168,4 +168,5 @@ describe('Observable', function()
   dofile('tests/pluck.lua')
   dofile('tests/reduce.lua')
   dofile('tests/reject.lua')
+  dofile('tests/skip.lua')
 end)

tests/skip.lua

@@ -0,0 +1,30 @@
+describe('skip', function()
+  it('produces an error if its parent errors', function()
+    local observable = Rx.Observable.fromValue(''):map(function(x) return x() end)
+    expect(observable.subscribe).to.fail()
+    expect(observable:skip(1).subscribe).to.fail()
+  end)
+
+  it('skips one element if no count is specified', function()
+    local observable = Rx.Observable.fromTable({2, 3, 4}, ipairs):skip()
+    expect(observable).to.produce(3, 4)
+  end)
+
+  it('produces no values if it skips over all of the values of the original', function()
+    local observable = Rx.Observable.fromTable({1, 2}):skip(2)
+    expect(observable).to.produce({})
+  end)
+
+  it('completes and does not fail if it skips over more values than were produced', function()
+    local observable = Rx.Observable.fromValue(3):skip(5)
+    local onNext, onError, onComplete = observableSpy(observable)
+    expect(#onNext).to.equal(0)
+    expect(#onError).to.equal(0)
+    expect(#onComplete).to.equal(1)
+  end)
+
+  it('produces the elements it did not skip over', function()
+    local observable = Rx.Observable.fromTable({4, 5, 6}, ipairs):skip(2)
+    expect(observable).to.produce(6)
+  end)
+end)