chore: setup mini.test

Taskfile.yml

@@ -26,17 +26,13 @@ tasks:
     cmds:
       - stylua .
 
-  test:
-    desc: runs all tests
-    aliases: [tests, spec]
+  tests:
+    desc: run all tests
     cmds:
       - |
         nvim --headless \
-          -u ./scripts/minimal_init.lua \
-          -c "PlenaryBustedDirectory spec \
-              {minimal_init='./scripts/minimal_init.lua' \
-              ,sequential=true}" \
-          -c ":qa!"
+             -u ./scripts/minimal_init.lua \
+             -c "lua MiniTest.run()"
 
   docgen:
     desc: generate vimhelp

nvim.toml

@@ -1,6 +1,9 @@
 [vim]
 any = true
 
+[MiniTest]
+any = true
+
 [describe]
 any = true
 [[describe.args]]

scripts/minimal_init.lua

@@ -19,6 +19,11 @@ local function install_plug(plugin)
   end
 end
 
+vim.env.XDG_CONFIG_HOME = root ".tests/config"
+vim.env.XDG_DATA_HOME = root ".tests/data"
+vim.env.XDG_STATE_HOME = root ".tests/state"
+vim.env.XDG_CACHE_HOME = root ".tests/cache"
+
 vim.cmd [[set runtimepath=$VIMRUNTIME]]
 vim.opt.runtimepath:append(root())
 vim.opt.packpath = { root ".tests/site" }
@@ -28,7 +33,15 @@ install_plug "nvim-lua/plenary.nvim"
 install_plug "nvim-treesitter/nvim-treesitter"
 install_plug "echasnovski/mini.doc" -- used for docs generation
 
-vim.env.XDG_CONFIG_HOME = root ".tests/config"
-vim.env.XDG_DATA_HOME = root ".tests/data"
-vim.env.XDG_STATE_HOME = root ".tests/state"
-vim.env.XDG_CACHE_HOME = root ".tests/cache"
+-- setup mini.test only when running headless nvim
+if #vim.api.nvim_list_uis() == 0 then
+  install_plug "echasnovski/mini.test"
+
+  require("mini.test").setup {
+    collect = {
+      find_files = function()
+        return vim.fn.globpath("spec", "**/*_test.lua", true, true)
+      end,
+    },
+  }
+end