From c4c302ed485e81e63d8d51665d57e76d23b77d3a Mon Sep 17 00:00:00 2001
From: Oleksandr Smirnov <olexsmir@gmail.com>
Date: Sat, 22 Mar 2025 20:04:08 +0200
Subject: [PATCH] feat(tests): add utils that does most of tests boilerplate

---
 spec/testutils.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/spec/testutils.lua b/spec/testutils.lua
index 32c19ab..d690e9f 100644
--- a/spec/testutils.lua
+++ b/spec/testutils.lua
@@ -45,4 +45,29 @@ function testutils.get_fixtures(fixture)
   }
 end
 
+---@param fixture string
+---@param child MiniTest.child
+---@param pos? number[]
+---@return {tmp: string, fixtures: {input: string, output: string}}
+function testutils.setup(fixture, child, pos)
+  local tmp = testutils.tmpfile()
+  local fixtures = testutils.get_fixtures(fixture)
+
+  testutils.writefile(tmp, fixtures.input)
+  child.cmd("silent edit " .. tmp)
+
+  if pos then
+    child.fn.setpos(".", { child.fn.bufnr(tmp), unpack(pos) })
+  end
+
+  return {
+    tmp = tmp,
+    fixtures = fixtures,
+  }
+end
+
+function testutils.cleanup(tmp)
+  testutils.deletefile(tmp)
+end
+
 return testutils