Allow cascade to be a slice with a _target discriminator

Fixes #7782

resources/page/page_matcher_test.go

@@ -0,0 +1,63 @@
+// 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 page
+
+import (
+	"path/filepath"
+	"testing"
+
+	qt "github.com/frankban/quicktest"
+)
+
+func TestPageMatcher(t *testing.T) {
+	c := qt.New(t)
+
+	p1, p2, p3 := &testPage{path: "/p1", kind: "section", lang: "en"}, &testPage{path: "p2", kind: "page", lang: "no"}, &testPage{path: "p3", kind: "page", lang: "en"}
+
+	c.Run("Matches", func(c *qt.C) {
+		m := PageMatcher{Kind: "section"}
+
+		c.Assert(m.Matches(p1), qt.Equals, true)
+		c.Assert(m.Matches(p2), qt.Equals, false)
+
+		m = PageMatcher{Kind: "page"}
+		c.Assert(m.Matches(p1), qt.Equals, false)
+		c.Assert(m.Matches(p2), qt.Equals, true)
+		c.Assert(m.Matches(p3), qt.Equals, true)
+
+		m = PageMatcher{Kind: "page", Path: "/p2"}
+		c.Assert(m.Matches(p1), qt.Equals, false)
+		c.Assert(m.Matches(p2), qt.Equals, true)
+		c.Assert(m.Matches(p3), qt.Equals, false)
+
+		m = PageMatcher{Path: "/p*"}
+		c.Assert(m.Matches(p1), qt.Equals, true)
+		c.Assert(m.Matches(p2), qt.Equals, true)
+		c.Assert(m.Matches(p3), qt.Equals, true)
+
+		m = PageMatcher{Lang: "en"}
+		c.Assert(m.Matches(p1), qt.Equals, true)
+		c.Assert(m.Matches(p2), qt.Equals, false)
+		c.Assert(m.Matches(p3), qt.Equals, true)
+
+	})
+
+	c.Run("Decode", func(c *qt.C) {
+		var v PageMatcher
+		c.Assert(DecodePageMatcher(map[string]interface{}{"kind": "foo"}, &v), qt.Not((qt.IsNil)))
+		c.Assert(DecodePageMatcher(map[string]interface{}{"kind": "home", "path": filepath.FromSlash("/a/b/**")}, &v), qt.IsNil)
+		c.Assert(v, qt.Equals, PageMatcher{Kind: "home", Path: "/a/b/**"})
+	})
+
+}