From f87f3ea322b1111e1929d149224ff736c8390db3 Mon Sep 17 00:00:00 2001
From: Steven Arcangeli <stevearc@stevearc.com>
Date: Sun, 27 Aug 2023 18:15:04 -0700
Subject: test: add a test suite

---
 tests/test_util.lua | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 tests/test_util.lua

(limited to 'tests/test_util.lua')

diff --git a/tests/test_util.lua b/tests/test_util.lua
new file mode 100644
index 0000000..a225aec
--- /dev/null
+++ b/tests/test_util.lua
@@ -0,0 +1,34 @@
+require("plenary.async").tests.add_to_env()
+local conform = require("conform")
+local M = {}
+
+local OUTPUT_FILE = "tests/fake_formatter_output"
+
+M.reset_editor = function()
+  vim.cmd.tabonly({ mods = { silent = true } })
+  for i, winid in ipairs(vim.api.nvim_tabpage_list_wins(0)) do
+    if i > 1 then
+      vim.api.nvim_win_close(winid, true)
+    end
+  end
+  vim.api.nvim_win_set_buf(0, vim.api.nvim_create_buf(false, true))
+  for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
+    vim.api.nvim_buf_delete(bufnr, { force = true })
+  end
+  conform.formatters = {}
+  conform.formatters_by_ft = {}
+  pcall(vim.api.nvim_del_augroup_by_name, "Conform")
+  if vim.fn.filereadable(OUTPUT_FILE) == 1 then
+    vim.fn.delete(OUTPUT_FILE)
+  end
+end
+
+---@param lines string[]
+M.set_formatter_output = function(lines)
+  local content = table.concat(lines, "\n")
+  local fd = assert(vim.loop.fs_open(OUTPUT_FILE, "w", 420)) -- 0644
+  vim.loop.fs_write(fd, content)
+  vim.loop.fs_close(fd)
+end
+
+return M
-- 
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