Add basic "post resource publish support"

Fixes #7146

resources/postpub/fields_test.go

@@ -0,0 +1,45 @@
+// Copyright 2020 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package postpub
+
+import (
+	"testing"
+
+	qt "github.com/frankban/quicktest"
+
+	"github.com/gohugoio/hugo/media"
+)
+
+func TestCreatePlaceholders(t *testing.T) {
+	c := qt.New(t)
+
+	m := structToMap(media.CSSType)
+
+	insertFieldPlaceholders("foo", m, func(s string) string {
+		return "pre_" + s + "_post"
+	})
+
+	c.Assert(m, qt.DeepEquals, map[string]interface{}{
+		"FullSuffix":  "pre_foo.FullSuffix_post",
+		"Type":        "pre_foo.Type_post",
+		"MainType":    "pre_foo.MainType_post",
+		"Delimiter":   "pre_foo.Delimiter_post",
+		"MarshalJSON": "pre_foo.MarshalJSON_post",
+		"String":      "pre_foo.String_post",
+		"Suffix":      "pre_foo.Suffix_post",
+		"SubType":     "pre_foo.SubType_post",
+		"Suffixes":    "pre_foo.Suffixes_post",
+	})
+
+}