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-rw-r--r--spec/util_promise_spec.lua54
1 files changed, 54 insertions, 0 deletions
diff --git a/spec/util_promise_spec.lua b/spec/util_promise_spec.lua
index 0008c6a2..6fb5d6bd 100644
--- a/spec/util_promise_spec.lua
+++ b/spec/util_promise_spec.lua
@@ -353,6 +353,60 @@ describe("util.promise", function ()
assert.equal("fail", result);
end);
end);
+ describe("all_settled()", function ()
+ it("works with fulfilled promises", function ()
+ local p1, p2 = promise.resolve("yep"), promise.resolve("nope");
+ local p = promise.all_settled({ p1, p2 });
+ local result;
+ p:next(function (v)
+ result = v;
+ end);
+ assert.same({
+ { status = "fulfilled", value = "yep" };
+ { status = "fulfilled", value = "nope" };
+ }, result);
+ end);
+ it("works with pending promises", function ()
+ local r1, r2;
+ local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
+ local p = promise.all_settled({ p1, p2 });
+
+ local result;
+ local cb = spy.new(function (v)
+ result = v;
+ end);
+ p:next(cb);
+ assert.spy(cb).was_called(0);
+ r2("yep");
+ assert.spy(cb).was_called(0);
+ r1("nope");
+ assert.spy(cb).was_called(1);
+ assert.same({
+ { status = "fulfilled", value = "nope" };
+ { status = "fulfilled", value = "yep" };
+ }, result);
+ end);
+ it("works when some promises reject", function ()
+ local r1, r2;
+ local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (_, reject) r2 = reject end);
+ local p = promise.all_settled({ p1, p2 });
+
+ local result;
+ local cb = spy.new(function (v)
+ result = v;
+ end);
+ p:next(cb);
+ assert.spy(cb).was_called(0);
+ r2("this fails");
+ assert.spy(cb).was_called(0);
+ r1("this succeeds");
+ assert.spy(cb).was_called(1);
+ assert.same({
+ { status = "fulfilled", value = "this succeeds" };
+ { status = "rejected", reason = "this fails" };
+ }, result);
+ end);
+ end);
describe("catch()", function ()
it("works", function ()
local result;