1 files changed, 70 insertions, 0 deletions
diff --git a/hugofs/glob/filename_filter_test.go b/hugofs/glob/filename_filter_test.go
new file mode 100644
index 000000000..1fce5b135
--- /dev/null
+++ b/hugofs/glob/filename_filter_test.go
@@ -0,0 +1,70 @@
+// Copyright 2021 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 glob
+
+import (
+	"path/filepath"
+	"strings"
+	"testing"
+
+	qt "github.com/frankban/quicktest"
+)
+
+func TestFilenameFilter(t *testing.T) {
+	c := qt.New(t)
+
+	excludeAlmostAllJSON, err := NewFilenameFilter([]string{"/a/b/c/foo.json"}, []string{"**.json"})
+	c.Assert(err, qt.IsNil)
+	c.Assert(excludeAlmostAllJSON.Match(filepath.FromSlash("/data/my.json"), false), qt.Equals, false)
+	c.Assert(excludeAlmostAllJSON.Match(filepath.FromSlash("/a/b/c/foo.json"), false), qt.Equals, true)
+	c.Assert(excludeAlmostAllJSON.Match(filepath.FromSlash("/a/b/c/foo.bar"), false), qt.Equals, false)
+	c.Assert(excludeAlmostAllJSON.Match(filepath.FromSlash("/a/b/c"), true), qt.Equals, true)
+	c.Assert(excludeAlmostAllJSON.Match(filepath.FromSlash("/a/b"), true), qt.Equals, true)
+	c.Assert(excludeAlmostAllJSON.Match(filepath.FromSlash("/a"), true), qt.Equals, true)
+	c.Assert(excludeAlmostAllJSON.Match(filepath.FromSlash("/"), true), qt.Equals, true)
+	c.Assert(excludeAlmostAllJSON.Match("", true), qt.Equals, true)
+
+	excludeAllButFooJSON, err := NewFilenameFilter([]string{"/a/**/foo.json"}, []string{"**.json"})
+	c.Assert(excludeAllButFooJSON.Match(filepath.FromSlash("/data/my.json"), false), qt.Equals, false)
+	c.Assert(excludeAllButFooJSON.Match(filepath.FromSlash("/a/b/c/d/e/foo.json"), false), qt.Equals, true)
+	c.Assert(excludeAllButFooJSON.Match(filepath.FromSlash("/a/b/c"), true), qt.Equals, true)
+	c.Assert(excludeAllButFooJSON.Match(filepath.FromSlash("/a/b/"), true), qt.Equals, true)
+	c.Assert(excludeAllButFooJSON.Match(filepath.FromSlash("/"), true), qt.Equals, true)
+	c.Assert(excludeAllButFooJSON.Match(filepath.FromSlash("/b"), true), qt.Equals, false)
+	c.Assert(err, qt.IsNil)
+
+	nopFilter, err := NewFilenameFilter(nil, nil)
+	c.Assert(err, qt.IsNil)
+	c.Assert(nopFilter.Match("ab.txt", false), qt.Equals, true)
+
+	includeOnlyFilter, err := NewFilenameFilter([]string{"**.json", "**.jpg"}, nil)
+	c.Assert(err, qt.IsNil)
+	c.Assert(includeOnlyFilter.Match("ab.json", false), qt.Equals, true)
+	c.Assert(includeOnlyFilter.Match("ab.jpg", false), qt.Equals, true)
+	c.Assert(includeOnlyFilter.Match("ab.gif", false), qt.Equals, false)
+
+	exlcudeOnlyFilter, err := NewFilenameFilter(nil, []string{"**.json", "**.jpg"})
+	c.Assert(err, qt.IsNil)
+	c.Assert(exlcudeOnlyFilter.Match("ab.json", false), qt.Equals, false)
+	c.Assert(exlcudeOnlyFilter.Match("ab.jpg", false), qt.Equals, false)
+	c.Assert(exlcudeOnlyFilter.Match("ab.gif", false), qt.Equals, true)
+
+	var nilFilter *FilenameFilter
+	c.Assert(nilFilter.Match("ab.gif", false), qt.Equals, true)
+
+	funcFilter := NewFilenameFilterForInclusionFunc(func(s string) bool { return strings.HasSuffix(s, ".json") })
+	c.Assert(funcFilter.Match("ab.json", false), qt.Equals, true)
+	c.Assert(funcFilter.Match("ab.bson", false), qt.Equals, false)
+
+}