tests(handlers/keys): add integration test draft

lua/lz/n/handler/keys.lua

@@ -126,8 +126,9 @@ end
 
 ---@param plugin LzPlugin
 function M.add(plugin)
-    -- TODO add plugin to M.pending
     for _, key in pairs(plugin.keys or {}) do
+        M.pending[key.id] = M.pending[key.id] or {}
+        M.pending[key.id][plugin.name] = plugin.name
         add_keys(key)
     end
 end

spec/keys_spec.lua

@@ -1,4 +1,7 @@
 local keys = require("lz.n.handler.keys")
+local state = require("lz.n.state")
+local loader = require("lz.n.loader")
+local spy = require("luassert.spy")
 
 describe("keys", function()
     it("parses ids correctly", function()
@@ -15,4 +18,20 @@ describe("keys", function()
             end
         end
     end)
+    it("Key only loads plugin once", function()
+        local lhs = "<C-h>k"
+        ---@type LzPlugin
+        local plugin = {
+            name = "foo",
+            keys = { keys.parse(lhs) },
+        }
+        local spy_load = spy.on(loader, "_load")
+        state.plugins[plugin.name] = plugin
+        keys.add(plugin)
+        local feed = vim.api.nvim_replace_termcodes("<Ignore>" .. lhs, true, true, true)
+        vim.api.nvim_feedkeys(feed, "i", false)
+        vim.api.nvim_feedkeys(feed, "i", false)
+        assert.spy(spy_load).called(1)
+        --
+    end)
 end)