diff --git a/nvimrc b/nvimrc
index 7b76dc3..be9dd7d 100644
--- a/nvimrc
+++ b/nvimrc
@@ -150,6 +150,27 @@ end
 
 vim.api.nvim_set_keymap("n", "<leader>uu", [[:lua _G.insert_uuid()<cr>]], {noremap = true, silent = true})
 vim.api.nvim_set_keymap("i", "<c-d><c-u>", [[<esc>:lua _G.insert_uuid()<cr>a]], {noremap = true, silent = true})
+
+_G.run_tests = function()
+  local bufnr = vim.call("bufnr", "%")
+  local filetype = vim.call("getbufvar", bufnr, "&filetype", "ERROR")
+
+  if filetype == "" then
+    print("cannot run tests for filetype:", filetype)
+    return
+  end
+
+  if filetype == "ruby" then
+    local path = vim.call("expand", "%:p")
+    local altpath = path:gsub("/app/", "/spec/"):gsub([[.rb$]], "_spec.rb")
+    vim.api.nvim_command([[10split +term\ bundle\ exec\ rspec\ ]] .. altpath)
+    vim.api.nvim_command([[normal! G]])
+    vim.api.nvim_command([[wincmd p]])
+    return
+  end
+end
+
+vim.api.nvim_set_keymap("n", "<leader>rt", [[:lua _G.run_tests()<cr>]], {noremap = true, silent = true})
 EOF
 
 " Git mappings