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-rw-r--r--spec/util_pubsub_spec.lua41
-rw-r--r--util/pubsub.lua11
2 files changed, 51 insertions, 1 deletions
diff --git a/spec/util_pubsub_spec.lua b/spec/util_pubsub_spec.lua
index 551aedd6..c982fb36 100644
--- a/spec/util_pubsub_spec.lua
+++ b/spec/util_pubsub_spec.lua
@@ -436,4 +436,45 @@ describe("util.pubsub", function ()
end);
end);
+ describe("node config checking", function ()
+ local service;
+ before_each(function ()
+ service = pubsub.new({
+ check_node_config = function (node, actor, config) -- luacheck: ignore 212
+ return config["max_items"] <= 20;
+ end;
+ });
+ end);
+
+ it("defaults, then configure", function ()
+ local ok, err = service:create("node", true);
+ assert.is_true(ok, err);
+
+ local ok, err = service:set_node_config("node", true, { max_items = 10 });
+ assert.is_true(ok, err);
+
+ local ok, err = service:set_node_config("node", true, { max_items = 100 });
+ assert.falsy(ok, err);
+ assert.equals(err, "not-acceptable");
+ end);
+
+ it("create with ok config, then configure", function ()
+ local ok, err = service:create("node", true, { max_items = 10 });
+ assert.is_true(ok, err);
+
+ local ok, err = service:set_node_config("node", true, { max_items = 100 });
+ assert.falsy(ok, err);
+
+ local ok, err = service:set_node_config("node", true, { max_items = 10 });
+ assert.is_true(ok, err);
+ end);
+
+ it("create with unacceptable config", function ()
+ local ok, err = service:create("node", true, { max_items = 100 });
+ assert.falsy(ok, err);
+ end);
+
+
+ end);
+
end);
diff --git a/util/pubsub.lua b/util/pubsub.lua
index a53e8b95..e5e0cb7c 100644
--- a/util/pubsub.lua
+++ b/util/pubsub.lua
@@ -436,10 +436,19 @@ function service:create(node, actor, options) --> ok, err
return false, "conflict";
end
+ local config = setmetatable(options or {}, {__index=self.node_defaults});
+
+ if self.config.check_node_config then
+ local ok = self.config.check_node_config(node, actor, config);
+ if not ok then
+ return false, "not-acceptable";
+ end
+ end
+
self.nodes[node] = {
name = node;
subscribers = {};
- config = setmetatable(options or {}, {__index=self.node_defaults});
+ config = config;
affiliations = {};
};