feat(gotests): generate tests only for exported func

docs(gotests): generate test for exported funcs

lua/gopher/gotests.lua

@@ -56,4 +56,16 @@ function M.all_tests(parallel)
   add_test(cmd_args)
 end
 
+---generate unit tests for all exported functions
+---@param parallel boolean
+function M.all_exported_tests(parallel)
+  local cmd_args = {}
+  if parallel then
+    table.insert(cmd_args, "-parallel")
+  end
+
+  table.insert(cmd_args, "-exported")
+  add_test(cmd_args)
+end
+
 return M

lua/gopher/init.lua

@@ -10,6 +10,7 @@ gopher.get = require "gopher.goget"
 gopher.impl = require "gopher.impl"
 gopher.generate = require "gopher.gogenerate"
 gopher.test_add = gotests.one_test
+gopher.test_exported = gotests.all_exported_tests
 gopher.tests_all = gotests.all_tests
 
 return gopher