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local pubsub;
setup(function ()
pubsub = require "util.pubsub";
end);
describe("util.pubsub", function ()
describe("simple node creation and deletion", function ()
-- Roughly a port of scansion/scripts/pubsub_createdelete.scs
local service = pubsub.new();
describe("#create", function ()
it("creates a new node", function ()
assert.truthy(service:create("princely_musings", true));
end);
it("fails to create the same node again", function ()
assert.falsy(service:create("princely_musings", true));
end);
end);
describe("#delete", function ()
it("deletes the node", function ()
assert.truthy(service:delete("princely_musings", true));
end);
it("can't delete an already deleted node", function ()
assert.falsy(service:delete("princely_musings", true));
end);
end);
end);
describe("simple publishing", function ()
local broadcaster = spy.new(function () end);
local service = pubsub.new({
broadcaster = broadcaster;
});
it("creates a node", function ()
assert.truthy(service:create("node", true));
end);
it("lets someone subscribe", function ()
assert.truthy(service:add_subscription("node", true, "someone"));
end);
it("publishes an item", function ()
assert.truthy(service:publish("node", true, "1", "item 1"));
end);
it("called the broadcaster", function ()
assert.spy(broadcaster).was_called();
end);
it("should return one item", function ()
local ok, ret = service:get_items("node", true);
assert.truthy(ok);
assert.same({ "1", ["1"] = "item 1" }, ret);
end);
end);
describe("#issue1082", function ()
local service = pubsub.new();
it("creates a node with max_items = 1", function ()
assert.truthy(service:create("node", true, { max_items = 1 }));
end);
it("changes max_items to 2", function ()
assert.truthy(service:set_node_config("node", true, { max_items = 2 }));
end);
it("publishes one item", function ()
assert.truthy(service:publish("node", true, "1", "item 1"));
end);
it("should return one item", function ()
local ok, ret = service:get_items("node", true);
assert.truthy(ok);
assert.same({ "1", ["1"] = "item 1" }, ret);
end);
it("publishes another item", function ()
assert.truthy(service:publish("node", true, "2", "item 2"));
end);
it("should return two items", function ()
local ok, ret = service:get_items("node", true);
assert.truthy(ok);
assert.same({
"2",
"1",
["1"] = "item 1",
["2"] = "item 2",
}, ret);
end);
it("publishes yet another item", function ()
assert.truthy(service:publish("node", true, "3", "item 3"));
end);
it("should still return only two items", function ()
local ok, ret = service:get_items("node", true);
assert.truthy(ok);
assert.same({
"3",
"2",
["2"] = "item 2",
["3"] = "item 3",
}, ret);
end);
end);
end);
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