test(struct_tags): add tests

tests/integrational/test_struct_tags.lua

@@ -0,0 +1,40 @@
+local u = require "gopher._utils.testutil"
+local eq = MiniTest.expect.equality
+
+local T = MiniTest.new_set()
+T["struct_tags"] = MiniTest.new_set()
+T["struct_tags"]['.add("json")'] = function()
+  local tmp = u.tmp_file()
+  local fixtures = u.read_fixture "tags/add"
+  u.write_fixture(tmp, fixtures.input)
+
+  vim.cmd("silent edit" .. tmp)
+  vim.bo.filetype = "go"
+  vim.fn.setpos(".", { vim.fn.bufnr "%", 3, 6, 0 })
+
+  require("gopher.struct_tags").add "json"
+  vim.wait(500)
+
+  eq(u.readfile(tmp), fixtures.output)
+
+  u.cleanup(tmp)
+end
+
+T["struct_tags"][".remove()"] = function()
+  local tmp = u.tmp_file()
+  local fixtures = u.read_fixture "tags/remove"
+  u.write_fixture(tmp, fixtures.input)
+
+  vim.cmd("silent edit" .. tmp)
+  vim.bo.filetype = "go"
+  vim.fn.setpos(".", { vim.fn.bufnr "%", 3, 6, 0 })
+
+  require("gopher.struct_tags").remove "json"
+  vim.wait(500)
+
+  eq(u.readfile(tmp), fixtures.output)
+
+  u.cleanup(tmp)
+end
+
+return T