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util.async: Make parameters to async.runner() optional

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This commit is contained in:
Matthew Wild 2018-03-23 14:02:33 +00:00
parent faea440e51
commit 8a38579fa0
2 changed files with 27 additions and 3 deletions
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20
spec/util_async_spec.lua
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@ -94,6 +94,26 @@ describe("util.async", function()
assert.equal(last_item, values[#values]);
end);
it("should work with no parameters", function ()
local item = "fail";
local r = async.runner();
local f = spy.new(function () item = "success"; end);
r:run(f);
assert.spy(f).was.called();
assert.equal(item, "success");
end);
it("supports a default error handler", function ()
local item = "fail";
local r = async.runner();
local f = spy.new(function () error("test error"); end);
assert.error_matches(function ()
r:run(f);
end, "test error");
assert.spy(f).was.called();
assert.equal(item, "fail");
end);
describe("#errors", function ()
describe("should notify", function ()
local last_processed_item, last_error;