test: test it and fix it

lua/gopher/_utils/ts.lua

@@ -3,8 +3,9 @@ local queries = {
   struct = [[
     [(type_spec name: (type_identifier) @_name
                 type: (struct_type))
-     (var_spec  name: (identifier) @_name
-                type: (struct_type))
+     (var_declaration (var_spec
+                        name: (identifier) @_name @_var
+                        type: (struct_type)))
      (short_var_declaration
        left:  (expression_list (identifier) @_name @_var)
        right: (expression_list (composite_literal
@@ -46,7 +47,7 @@ end
 ---@param query vim.treesitter.Query
 ---@param node TSNode
 ---@param bufnr integer
----@return {name:string}
+---@return {name:string, is_varstruct:boolean}
 local function get_captures(query, node, bufnr)
   local res = {}
   for _, match, _ in query:iter_matches(node, bufnr) do
@@ -110,7 +111,7 @@ function ts.get_struct_under_cursor(bufnr)
   return do_stuff(bufnr, {
     "type_spec",
     "type_declaration",
-    "var_spec",
+    "var_declaration",
     "short_var_declaration",
   }, queries.struct)
 end

spec/fixtures/tags/svar_input.go

@@ -0,0 +1,11 @@
+package main
+
+func main() {
+	s := struct {
+		API string
+		Key string
+	}{
+		API: "api.com",
+		Key: "key",
+	}
+}

spec/fixtures/tags/svar_output.go

@@ -0,0 +1,11 @@
+package main
+
+func main() {
+	s := struct {
+		API string `xml:"api"`
+		Key string `xml:"key"`
+	}{
+		API: "api.com",
+		Key: "key",
+	}
+}

spec/fixtures/tags/var_input.go

@@ -0,0 +1,8 @@
+package main
+
+func main() {
+	var a struct {
+		TestField1 string
+		TestField2 string
+	}
+}

spec/fixtures/tags/var_output.go

@@ -0,0 +1,8 @@
+package main
+
+func main() {
+	var a struct {
+		TestField1 string `yaml:"test_field_1"`
+		TestField2 string `yaml:"test_field_2"`
+	}
+}

spec/integration/struct_tags_test.lua

@@ -21,6 +21,7 @@ T["struct_tags"]["should add tag"] = function()
   child.cmd "write"
 
   t.eq(t.readfile(tmp), fixtures.output)
+  t.deletefile(tmp)
 end
 
 T["struct_tags"]["should remove tag"] = function()
@@ -34,6 +35,7 @@ T["struct_tags"]["should remove tag"] = function()
   child.cmd "write"
 
   t.eq(t.readfile(tmp), fixtures.output)
+  t.deletefile(tmp)
 end
 
 T["struct_tags"]["should be able to handle many structs"] = function()
@@ -47,6 +49,7 @@ T["struct_tags"]["should be able to handle many structs"] = function()
   child.cmd "write"
 
   t.eq(t.readfile(tmp), fixtures.output)
+  t.deletefile(tmp)
 end
 
 T["struct_tags"]["should clear struct"] = function()
@@ -60,6 +63,7 @@ T["struct_tags"]["should clear struct"] = function()
   child.cmd "write"
 
   t.eq(t.readfile(tmp), fixtures.output)
+  t.deletefile(tmp)
 end
 
 T["struct_tags"]["should add more than one tag"] = function()
@@ -80,6 +84,35 @@ T["struct_tags"]["should add more than one tag"] = function()
   child.cmd "write"
 
   t.eq(t.readfile(tmp), fixtures.output)
+  t.deletefile(tmp)
+end
+
+T["struct_tags"]["should add tags on var"] = function()
+  -- local tmp = t.tmpfile()
+  local tmp = "/tmp/test.go"
+  local fixtures = t.get_fixtures "tags/var"
+  t.writefile(tmp, fixtures.input)
+
+  child.cmd("silent edit " .. tmp)
+  child.fn.setpos(".", { child.fn.bufnr(tmp), 5, 3 })
+  child.cmd "GoTagAdd yaml"
+  child.cmd "write"
+
+  t.eq(t.readfile(tmp), fixtures.output)
+end
+
+T["struct_tags"]["should add tags on short declr var"] = function()
+  local tmp = t.tmpfile()
+  local fixtures = t.get_fixtures "tags/svar"
+  t.writefile(tmp, fixtures.input)
+
+  child.cmd("silent edit " .. tmp)
+  child.fn.setpos(".", { child.fn.bufnr(tmp), 4, 3 })
+  child.cmd "GoTagAdd xml"
+  child.cmd "write"
+
+  t.eq(t.readfile(tmp), fixtures.output)
+  t.deletefile(tmp)
 end
 
 return T