From 7bcf1af6e55803baf431d9c4525aec294c2a3c1a Mon Sep 17 00:00:00 2001
From: Michael Marshall <mmarshall@apache.org>
Date: Fri, 28 Oct 2022 14:30:42 -0500
Subject: [PATCH] Revert "Remove unused license test file"

This reverts commit bcbc674092bf2cf5ad93db181a9bbeb75406fc49.
---
 license_test.go | 114 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 license_test.go

diff --git a/license_test.go b/license_test.go
new file mode 100644
index 0000000..54ae128
--- /dev/null
+++ b/license_test.go
@@ -0,0 +1,114 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 main
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"regexp"
+	"testing"
+)
+
+var goFileCheck = regexp.MustCompile(`// Licensed to the Apache Software Foundation \(ASF\) under one
+// or more contributor license agreements\.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership\.  The ASF licenses this file
+// to you 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\.
+
+`)
+
+var otherCheck = regexp.MustCompile(`#
+# Licensed to the Apache Software Foundation \(ASF\) under one
+# or more contributor license agreements\.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership\.  The ASF licenses this file
+# to you 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\.
+#
+`)
+
+var skip = map[string]bool{}
+
+func TestLicense(t *testing.T) {
+	err := filepath.Walk(".", func(path string, fi os.FileInfo, err error) error {
+		if skip[path] {
+			return nil
+		}
+
+		if err != nil {
+			return err
+		}
+
+		switch filepath.Ext(path) {
+		case ".go":
+			src, err := ioutil.ReadFile(path)
+			if err != nil {
+				return nil
+			}
+
+			// Find license
+			if !goFileCheck.Match(src) {
+				t.Errorf("%v: license header not present", path)
+				return nil
+			}
+		case ".yaml":
+			fallthrough
+		case ".conf":
+			src, err := ioutil.ReadFile(path)
+			if err != nil {
+				return nil
+			}
+
+			// Find license
+			if !otherCheck.Match(src) {
+				t.Errorf("%v: license header not present", path)
+				return nil
+			}
+
+		default:
+			return nil
+		}
+
+		return nil
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+}