1 files changed, 120 insertions, 0 deletions
diff --git a/spec/util_pubsub_spec.lua b/spec/util_pubsub_spec.lua
new file mode 100644
index 00000000..fcf0b031
--- /dev/null
+++ b/spec/util_pubsub_spec.lua
@@ -0,0 +1,120 @@
+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;
+			capabilities = {
+				none = {
+					subscribe = true;
+					be_subscribed = true;
+				};
+			}
+		});
+
+		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);