fix: ensure elixir-tool.nvim cache dir exists

Author: mhanberg

lua/elixir/utils.lua

@@ -44,6 +44,8 @@ function M.latest_release(owner, repo, opts)
   )
   local invocation = vim.fn.system(curl)
 
+  vim.fn.mkdir(vim.fn.expand(cache_dir), "p")
+
   local latest_version_file = Path:new(vim.fn.expand(cache_dir .. owner .. "-" .. repo .. ".txt")):absolute()
 
   if vim.v.shell_error == 0 then

tests/utils_spec.lua

@@ -38,8 +38,12 @@ describe("utils", function()
   end)
 
   describe("latest_release", function()
+    before_each(function()
+      vim.fn.delete("./tmp/version-cache", "rf")
+    end)
+
     it("returns the latest release for the repo", function()
-      local result = utils.latest_release("elixir-tools", "next-ls", { cache_dir = "./tmp/" })
+      local result = utils.latest_release("elixir-tools", "next-ls", { cache_dir = "./tmp/version-cache/" })
 
       assert(type(result) == "string")
       assert.is.Truthy(string.match(result, "%d+%.%d+%.%d+"))
@@ -50,18 +54,19 @@ describe("utils", function()
       local result = utils.latest_release(
         "elixir-tools",
         "next-ls",
-        { github_host = "localhost:9999", cache_dir = "./tmp/" }
+        { github_host = "localhost:9999", cache_dir = "./tmp/version-cache/" }
       )
 
       assert.is.Nil(result)
     end)
 
     it("returns nil if the command has a non zero exit code and no file in cache", function()
-      vim.fn.writefile({ "0.2.2" }, "./tmp/elixir-tools-next-ls.txt")
+      vim.fn.mkdir("./tmp/version-cache", "p")
+      vim.fn.writefile({ "0.2.2" }, "./tmp/version-cache/elixir-tools-next-ls.txt")
       local result = utils.latest_release(
         "elixir-tools",
         "next-ls",
-        { github_host = "localhost:9999", cache_dir = "./tmp/" }
+        { github_host = "localhost:9999", cache_dir = "./tmp/version-cache/" }
       )
 
       assert.are.same(result, "0.2.2")