tests: add ft_spec

lua/lz/n/handler/ft.lua

@@ -23,4 +23,9 @@ function M.add(plugin)
     event.add(plugin)
 end
 
+---@param plugin LzPlugin
+function M.del(plugin)
+    event.del(plugin)
+end
+
 return M

lua/lz/n/types.lua

@@ -33,7 +33,6 @@ error("Cannot import a meta module")
 
 ---@class LzPluginHandlers
 ---@field event? LzEvent[]
----@field ft? LzEvent[]
 ---@field keys? LzKeys[]
 ---@field cmd? string[]
 

spec/cmd_spec.lua

@@ -4,7 +4,7 @@ local state = require("lz.n.state")
 local loader = require("lz.n.loader")
 local spy = require("luassert.spy")
 
-describe("cmd", function()
+describe("handlers.cmd", function()
     it("Command only loads plugin once and executes plugin command", function()
         ---@type LzPlugin
         local plugin = {

spec/event_spec.lua

@@ -4,7 +4,7 @@ local state = require("lz.n.state")
 local loader = require("lz.n.loader")
 local spy = require("luassert.spy")
 
-describe("event", function()
+describe("handlers.event", function()
     it("can parse from string", function()
         assert.same({
             event = "VimEnter",

spec/ft_spec.lua

@@ -0,0 +1,28 @@
+---@diagnostic disable: invisible
+local ft = require("lz.n.handler.ft")
+local state = require("lz.n.state")
+local loader = require("lz.n.loader")
+local spy = require("luassert.spy")
+
+describe("handlers.ft", function()
+    it("can parse from string", function()
+        assert.same({
+            event = "FileType",
+            id = "rust",
+            pattern = "rust",
+        }, ft.parse("rust"))
+    end)
+    it("filetype event loads plugins", function()
+        ---@type LzPlugin
+        local plugin = {
+            name = "Foo",
+            event = { ft.parse("rust") },
+        }
+        local spy_load = spy.on(loader, "_load")
+        state.plugins[plugin.name] = plugin
+        ft.add(plugin)
+        vim.api.nvim_exec_autocmds("FileType", { pattern = "rust" })
+        vim.api.nvim_exec_autocmds("FileType", { pattern = "rust" })
+        assert.spy(spy_load).called(1)
+    end)
+end)

spec/keys_spec.lua

@@ -4,7 +4,7 @@ local state = require("lz.n.state")
 local loader = require("lz.n.loader")
 local spy = require("luassert.spy")
 
-describe("keys", function()
+describe("handlers.keys", function()
     it("parses ids correctly", function()
         local tests = {
             { "<C-/>", "<c-/>", true },