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util.promise: Add some additional tests to cover callback return values

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This commit is contained in:
Matthew Wild 2019-09-30 08:22:30 +01:00
parent 082761bde3
commit 843104372c
1 changed files with 24 additions and 0 deletions
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24
spec/util_promise_spec.lua
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@ -248,6 +248,30 @@ describe("util.promise", function ()
assert.spy(cb3).was_called(1);
assert.spy(cb3).was_called_with("goodbye");
end);
it("ordinary values", function ()
local p = promise.resolve()
local cb = spy.new(function ()
return "hello"
end);
local cb2 = spy.new(function () end);
p:next(cb):next(cb2);
assert.spy(cb).was_called(1);
assert.spy(cb2).was_called(1);
assert.spy(cb2).was_called_with("hello");
end);
it("nil", function ()
local p = promise.resolve()
local cb = spy.new(function ()
return
end);
local cb2 = spy.new(function () end);
p:next(cb):next(cb2);
assert.spy(cb).was_called(1);
assert.spy(cb2).was_called(1);
assert.spy(cb2).was_called_with(nil);
end);
end);
describe("race()", function ()