From 3d49d58fd24c5a6aecedf8e8829aa7b2f5c01b2a Mon Sep 17 00:00:00 2001
From: Smirnov Oleksandr <ss2316544@gmail.com>
Date: Thu, 20 Jul 2023 00:18:13 +0300
Subject: [PATCH] feat: run tests independent from user's nvim config

---
 .gitignore            |  3 ++-
 Taskfile.yml          |  2 +-
 spec/minimal_init.lua | 33 +++++++++++++++++++++++++++++++++
 spec/minimal_init.vim |  4 ----
 4 files changed, 36 insertions(+), 6 deletions(-)
 create mode 100644 spec/minimal_init.lua
 delete mode 100644 spec/minimal_init.vim

diff --git a/.gitignore b/.gitignore
index a5c9323..df7d859 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-playground/
+/playground/
+/.tests/
diff --git a/Taskfile.yml b/Taskfile.yml
index 2f3b8c4..25fdc34 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -23,7 +23,7 @@ tasks:
     cmds:
       - |
         nvim --headless \
-          -u ./spec/minimal_init.vim\
+          -u ./spec/minimal_init.lua\
           -c "PlenaryBustedDirectory spec \
               {minimal_init='./spec/minimal_init.lua'\
               ,sequential=true}"
diff --git a/spec/minimal_init.lua b/spec/minimal_init.lua
new file mode 100644
index 0000000..163efc5
--- /dev/null
+++ b/spec/minimal_init.lua
@@ -0,0 +1,33 @@
+local function root(p)
+  local f = debug.getinfo(1, "S").source:sub(2)
+  return vim.fn.fnamemodify(f, ":p:h:h") .. "/" .. (p or "")
+end
+
+local function install_plug(plugin)
+  local name = plugin:match ".*/(.*)"
+  local package_root = root ".tests/site/pack/deps/start/"
+  if not vim.loop.fs_stat(package_root .. name) then
+    print("Installing " .. plugin)
+    vim.fn.mkdir(package_root, "p")
+    vim.fn.system {
+      "git",
+      "clone",
+      "--depth=1",
+      "https://github.com/" .. plugin .. ".git",
+      package_root .. "/" .. name,
+    }
+  end
+end
+
+vim.cmd [[set runtimepath=$VIMRUNTIME]]
+vim.opt.runtimepath:append(root())
+vim.opt.packpath = { root ".tests/site" }
+vim.notify = print
+
+install_plug "nvim-lua/plenary.nvim"
+install_plug "nvim-treesitter/nvim-treesitter"
+
+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"
diff --git a/spec/minimal_init.vim b/spec/minimal_init.vim
deleted file mode 100644
index e30e21b..0000000
--- a/spec/minimal_init.vim
+++ /dev/null
@@ -1,4 +0,0 @@
-set rtp+=.
-packadd plenary.nvim
-packadd nvim-treesitter
-packadd nvim-dap