mirror of
https://github.com/PriceHiller/ppd.nvim.git
synced 2024-12-30 15:19:14 -06:00
79 lines
2.3 KiB
Lua
79 lines
2.3 KiB
Lua
local M = {}
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---Search up from the current file until we find the full path of the base `tests/` directory and
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---return it
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---@param test_file string Filename to look for in each directory, if it exists then stop the search
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---@return fun(): string dir A function wrapping the found directory
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local function search_dir_up(test_file)
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-- This is the path of the directory of the current file
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local cur_dir = vim.fn.fnamemodify(debug.getinfo(1, "S").source:sub(2), ":p")
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local uv = vim.uv or vim.loop
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---@diagnostic disable-next-line: param-type-mismatch
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while not uv.fs_stat(cur_dir .. "/" .. test_file, nil) and cur_dir ~= "/" do
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cur_dir = vim.fn.fnamemodify(cur_dir, ":h")
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end
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if cur_dir == "/" then
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error("Failed to locate the base 'tests/' directory!")
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end
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-- We return a wrapping function instead of a bare string so its easier to enforce "readonly"
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-- uses of the searched directory
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return function()
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return cur_dir
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end
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end
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--- WARN: DO NOT MUTATE THESE VALUES!
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---
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--- Table containing useful paths to directories within the plugin
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M.static = {
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--- Full path of the `tests/` directory
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tests_dir = search_dir_up("test.lua"),
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--- Full base path of the plugin where the `.git` directory resides
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plugin_dir = search_dir_up(".git"),
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}
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---@class ppd.test.Root
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---@field package path string
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local Root = {
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path = M.static.tests_dir(),
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}
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---@package
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---@nodiscard
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---@return ppd.test.Root
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function Root:new(o)
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o = o or {}
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setmetatable(o, self)
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-- The last part of the path must be a "/" to work correctly
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if self.path:sub(#self.path, #self.path) ~= "/" then
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self.path = self.path .. "/"
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end
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self.__index = self
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return o
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end
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--- Create a new instance, pushing the given path onto it
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---@nodiscard
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---@param path string The new path to add
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---@return ppd.test.Root
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function Root:push(path)
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local new_root = self:new()
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-- Since we're extending the path, the current path must be a directory, ensure it ends in a "/"
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if new_root.path:sub(#new_root.path) ~= "/" then
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new_root.path = new_root.path .. "/"
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end
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new_root.path = new_root.path .. path
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return new_root
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end
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--- Get the current path string
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---@return string path
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function Root:get()
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return self.path
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end
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M.Root = Root:new()
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return M
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