ci: more tests (#359)

* more tests

* lint

lua/telescope/pickers/_test_helpers.lua

@@ -0,0 +1,50 @@
+local test_helpers = {}
+
+test_helpers.get_picker = function()
+  local state = require('telescope.state')
+  return state.get_status(vim.api.nvim_get_current_buf()).picker
+end
+
+test_helpers.get_results_bufnr = function()
+  local state = require('telescope.state')
+  return state.get_status(vim.api.nvim_get_current_buf()).results_bufnr
+end
+
+test_helpers.get_file = function()
+  return vim.fn.fnamemodify(vim.api.nvim_buf_get_name(0), ":t")
+end
+
+test_helpers.get_prompt = function()
+  return vim.api.nvim_buf_get_lines(0, 0, -1, false)[1]
+end
+
+test_helpers.get_results = function()
+  return vim.api.nvim_buf_get_lines(test_helpers.get_results_bufnr(), 0, -1, false)
+end
+
+test_helpers.get_last_result = function()
+  local results = test_helpers.get_results()
+  return results[#results]
+end
+
+test_helpers.get_selection = function()
+  local state = require('telescope.state')
+  return state.get_global_key('selected_entry')
+end
+
+test_helpers.get_selection_value = function()
+  return test_helpers.get_selection().value
+end
+
+test_helpers.make_globals = function()
+  GetFile           = test_helpers.get_file            -- luacheck: globals GetFile
+  GetPrompt         = test_helpers.get_prompt          -- luacheck: globals GetPrompt
+
+  GetResults        = test_helpers.get_results         -- luacheck: globals GetResults
+  GetLastResult     = test_helpers.get_last_result     -- luacheck: globals GetLastResult
+
+  GetSelection      = test_helpers.get_selection       -- luacheck: globals GetSelection
+  GetSelectionValue = test_helpers.get_selection_value -- luacheck: globals GetSelectionValue
+end
+
+return test_helpers