Escape SQL LIKE wildcards in queries (CPS-1760 #1)

If '%' and '_' are used in the contains-condition of a CpsPath query,
incorrect results will be returned. For example:
  /bookstore/categories[contains(@code, "%")]
Special characters in the contains-condition value must be escaped.

Issue-ID: CPS-1762
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: I2fdd5a26433d510cd7d6af5b734a6779b537d63d

1 files changed, 36 insertions, 0 deletions

diff --git a/cps-ri/src/test/groovy/org/onap/cps/spi/utils/EscapeUtilsSpec.groovy b/cps-ri/src/test/groovy/org/onap/cps/spi/utils/EscapeUtilsSpec.groovy
new file mode 100644
index 000000000..17eb8846a
--- /dev/null
+++ b/cps-ri/src/test/groovy/org/onap/cps/spi/utils/EscapeUtilsSpec.groovy
@@ -0,0 +1,36 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.spi.utils
+
+import spock.lang.Specification
+
+class EscapeUtilsSpec extends Specification {
+
+    def 'Escape text for using in SQL LIKE operation'() {
+        expect:
+            EscapeUtils.escapeForSqlLike(unescapedText) == escapedText
+        where:
+            unescapedText                   || escapedText
+            'Only %, _, and \\ are special' || 'Only \\%, \\_, and \\\\ are special'
+            'Others (./?$) are not special' || 'Others (./?$) are not special'
+    }
+
+}