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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 notified;
local broadcaster = spy.new(function (notif_type, node_name, subscribers, item)
notified = subscribers;
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"));
assert.truthy(notified["someone"]);
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);
it("lets someone unsubscribe", function ()
assert.truthy(service:remove_subscription("node", true, "someone"));
end);
it("does not send notifications after subscription is removed", function ()
assert.truthy(service:publish("node", true, "1", "item 1"));
assert.is_nil(notified["someone"]);
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);
describe("access model", function ()
describe("open", function ()
local service;
before_each(function ()
service = pubsub.new();
-- Do not supply any config, 'open' should be default
service:create("test", true);
end);
it("should be the default", function ()
local ok, config = service:get_node_config("test", true);
assert.equal("open", config.access_model);
end);
it("should allow anyone to subscribe", function ()
local ok = service:add_subscription("test", "stranger", "stranger");
assert.is_true(ok);
end);
it("should still reject outcast-affiliated entities", function ()
assert(service:set_affiliation("test", true, "enemy", "outcast"));
local ok, err = service:add_subscription("test", "enemy", "enemy");
assert.is_falsy(ok);
assert.equal("forbidden", err);
end);
end);
describe("whitelist", function ()
local service;
before_each(function ()
service = assert(pubsub.new());
assert.is_true(service:create("test", true, { access_model = "whitelist" }));
end);
it("should be present in the configuration", function ()
local ok, config = service:get_node_config("test", true);
assert.equal("whitelist", config.access_model);
end);
it("should not allow anyone to subscribe", function ()
local ok, err = service:add_subscription("test", "stranger", "stranger");
assert.is_false(ok);
assert.equals("forbidden", err);
end);
end);
end);
describe("publish model", function ()
describe("publishers", function ()
local service;
before_each(function ()
service = pubsub.new();
-- Do not supply any config, 'publishers' should be default
service:create("test", true);
end);
it("should be the default", function ()
local ok, config = service:get_node_config("test", true);
assert.equal("publishers", config.publish_model);
end);
it("should not allow anyone to publish", function ()
assert.is_true(service:add_subscription("test", "stranger", "stranger"));
local ok, err = service:publish("test", "stranger", "item1", "foo");
assert.is_falsy(ok);
assert.equals("forbidden", err);
end);
it("should allow publishers to publish", function ()
assert(service:set_affiliation("test", true, "mypublisher", "publisher"));
local ok, err = service:publish("test", "mypublisher", "item1", "foo");
assert.is_true(ok);
end);
it("should allow owners to publish", function ()
assert(service:set_affiliation("test", true, "myowner", "owner"));
local ok = service:publish("test", "myowner", "item1", "foo");
assert.is_true(ok);
end);
end);
describe("open", function ()
local service;
before_each(function ()
service = pubsub.new();
service:create("test", true, { publish_model = "open" });
end);
it("should allow anyone to publish", function ()
local ok = service:publish("test", "stranger", "item1", "foo");
assert.is_true(ok);
end);
end);
describe("subscribers", function ()
local service;
before_each(function ()
service = pubsub.new();
service:create("test", true, { publish_model = "subscribers" });
end);
it("should not allow non-subscribers to publish", function ()
local ok, err = service:publish("test", "stranger", "item1", "foo");
assert.is_falsy(ok);
assert.equals("forbidden", err);
end);
it("should allow subscribers to publish without an affiliation", function ()
assert.is_true(service:add_subscription("test", "stranger", "stranger"));
local ok = service:publish("test", "stranger", "item1", "foo");
assert.is_true(ok);
end);
it("should allow publishers to publish without a subscription", function ()
assert(service:set_affiliation("test", true, "mypublisher", "publisher"));
local ok, err = service:publish("test", "mypublisher", "item1", "foo");
assert.is_true(ok);
end);
it("should allow owners to publish without a subscription", function ()
assert(service:set_affiliation("test", true, "myowner", "owner"));
local ok = service:publish("test", "myowner", "item1", "foo");
assert.is_true(ok);
end);
end);
end);
end);
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