Add glob support

pkg/fs/realfs_test.go

@@ -0,0 +1,58 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+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 fs
+
+import (
+	"os"
+	"path"
+	"reflect"
+	"testing"
+)
+
+func TestReadFilesRealFS(t *testing.T) {
+	x := MakeRealFS()
+	testDir := "kustomize_testing_dir"
+	err := x.Mkdir(testDir, 0777)
+	defer os.RemoveAll(testDir)
+
+	if err != nil {
+		t.Fatalf("unexpected error %s", err)
+	}
+
+	err = x.WriteFile(path.Join(testDir, "foo"), []byte(`foo`))
+	if err != nil {
+		t.Fatalf("unexpected error %s", err)
+	}
+	err = x.WriteFile(path.Join(testDir, "bar"), []byte(`bar`))
+	if err != nil {
+		t.Fatalf("unexpected error %s", err)
+	}
+
+	expected := map[string][]byte{
+		path.Join(testDir, "foo"): []byte(`foo`),
+		path.Join(testDir, "bar"): []byte(`bar`),
+	}
+
+	content, err := x.ReadFiles("kustomize_testing_dir/*")
+	if !reflect.DeepEqual(content, expected) {
+		t.Fatalf("actual: %+v doesn't match expected: %+v", content, expected)
+
+	}
+	if err != nil {
+		t.Fatalf("unexpected error %s", err)
+	}
+}