Add minify config

Fixes #6750
Updates #6892

minifiers/config_test.go

@@ -0,0 +1,52 @@
+// Copyright 2019 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 minifiers
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/spf13/viper"
+
+	qt "github.com/frankban/quicktest"
+)
+
+func TestConfig(t *testing.T) {
+	c := qt.New(t)
+	v := viper.New()
+
+	v.Set("minifiers", map[string]interface{}{
+		"enablexml": false,
+		"tdewolff": map[string]interface{}{
+			"html": map[string]interface{}{
+				"keepwhitespace": false,
+			},
+		},
+	})
+
+	conf, err := decodeConfig(v)
+	fmt.Println(conf)
+
+	c.Assert(err, qt.IsNil)
+
+	// explicitly set value
+	c.Assert(conf.Tdewolff.HTML.KeepWhitespace, qt.Equals, false)
+	// default value
+	c.Assert(conf.Tdewolff.HTML.KeepEndTags, qt.Equals, true)
+	c.Assert(conf.Tdewolff.CSS.KeepCSS2, qt.Equals, true)
+
+	// `enable` flags
+	c.Assert(conf.EnableHTML, qt.Equals, true)
+	c.Assert(conf.EnableXML, qt.Equals, false)
+}