Add resources.Match and resources.GetMatch

Fix #6190

hugofs/glob_test.go

@@ -0,0 +1,61 @@
+// 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 hugofs
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/spf13/afero"
+
+	qt "github.com/frankban/quicktest"
+)
+
+func TestGlob(t *testing.T) {
+	c := qt.New(t)
+
+	fs := NewBaseFileDecorator(afero.NewMemMapFs())
+
+	create := func(filename string) {
+		err := afero.WriteFile(fs, filepath.FromSlash(filename), []byte("content "+filename), 0777)
+		c.Assert(err, qt.IsNil)
+	}
+
+	collect := func(pattern string) []string {
+		var paths []string
+		h := func(fi FileMetaInfo) (bool, error) {
+			paths = append(paths, fi.Meta().Path())
+			return false, nil
+		}
+		err := Glob(fs, pattern, h)
+		c.Assert(err, qt.IsNil)
+		return paths
+	}
+
+	create("root.json")
+	create("jsonfiles/d1.json")
+	create("jsonfiles/d2.json")
+	create("jsonfiles/sub/d3.json")
+	create("jsonfiles/d1.xml")
+	create("a/b/c/e/f.json")
+
+	c.Assert(collect("**.json"), qt.HasLen, 5)
+	c.Assert(collect("**"), qt.HasLen, 6)
+	c.Assert(collect(""), qt.HasLen, 0)
+	c.Assert(collect("jsonfiles/*.json"), qt.HasLen, 2)
+	c.Assert(collect("*.json"), qt.HasLen, 1)
+	c.Assert(collect("**.xml"), qt.HasLen, 1)
+	c.Assert(collect(filepath.FromSlash("/jsonfiles/*.json")), qt.HasLen, 2)
+
+}