Add WildcardMatcherTests

Signed-off-by: Craig Perkins <[email protected]>

sandbox/modules/system-index-protection/build.gradle

@@ -24,8 +24,6 @@ restResources {
     includeCore '_common', 'indices', 'index', 'get'
   }
 }
-// no unit tests
-test.enabled = false
 
 testClusters.yamlRestTest {
   setting 'modules.system_index_protection.system_indices.enabled', 'true'

sandbox/modules/system-index-protection/src/test/java/org/opensearch/index/filter/WildcardMatcherTests.java

@@ -0,0 +1,76 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+package org.opensearch.index.filter;
+
+import org.opensearch.test.OpenSearchTestCase;
+
+public class WildcardMatcherTests extends OpenSearchTestCase {
+
+    static private WildcardMatcher wc(String pattern) {
+        return WildcardMatcher.from(pattern);
+    }
+
+    static private WildcardMatcher iwc(String pattern) {
+        return WildcardMatcher.from(pattern, false);
+    }
+
+    public void testWildcardMatcherClasses() {
+        assertFalse(wc("a*?").test("a"));
+        assertTrue(wc("a*?").test("aa"));
+        assertTrue(wc("a*?").test("ab"));
+        assertTrue(wc("a*?").test("abb"));
+        assertTrue(wc("*my*index").test("myindex"));
+        assertFalse(wc("*my*index").test("myindex1"));
+        assertTrue(wc("*my*index?").test("myindex1"));
+        assertTrue(wc("*my*index").test("this_is_my_great_index"));
+        assertFalse(wc("*my*index").test("MYindex"));
+        assertFalse(wc("?kibana").test("kibana"));
+        assertTrue(wc("?kibana").test(".kibana"));
+        assertFalse(wc("?kibana").test("kibana."));
+        assertTrue(wc("?kibana?").test("?kibana."));
+        assertTrue(wc("/(\\d{3}-?\\d{2}-?\\d{4})/").test("123-45-6789"));
+        assertFalse(wc("(\\d{3}-?\\d{2}-?\\d{4})").test("123-45-6789"));
+        assertTrue(wc("/\\S+/").test("abc"));
+        assertTrue(wc("abc").test("abc"));
+        assertFalse(wc("ABC").test("abc"));
+        assertFalse(wc(null).test("abc"));
+        assertTrue(WildcardMatcher.from(null, "abc").test("abc"));
+    }
+
+    public void testWildcardMatcherClassesCaseInsensitive() {
+        assertTrue(iwc("AbC").test("abc"));
+        assertTrue(iwc("abc").test("aBC"));
+        assertTrue(iwc("A*b").test("ab"));
+        assertTrue(iwc("A*b").test("aab"));
+        assertTrue(iwc("A*b").test("abB"));
+        assertFalse(iwc("abc").test("AB"));
+        assertTrue(iwc("/^\\w+$/").test("AbCd"));
+    }
+
+    public void testWildcardMatchers() {
+        assertTrue(!WildcardMatcher.from("a*?").test("a"));
+        assertTrue(WildcardMatcher.from("a*?").test("aa"));
+        assertTrue(WildcardMatcher.from("a*?").test("ab"));
+        // assertTrue(WildcardMatcher.pattern("a*?").test( "abb"));
+        assertTrue(WildcardMatcher.from("*my*index").test("myindex"));
+        assertTrue(!WildcardMatcher.from("*my*index").test("myindex1"));
+        assertTrue(WildcardMatcher.from("*my*index?").test("myindex1"));
+        assertTrue(WildcardMatcher.from("*my*index").test("this_is_my_great_index"));
+        assertTrue(!WildcardMatcher.from("*my*index").test("MYindex"));
+        assertTrue(!WildcardMatcher.from("?kibana").test("kibana"));
+        assertTrue(WildcardMatcher.from("?kibana").test(".kibana"));
+        assertTrue(!WildcardMatcher.from("?kibana").test("kibana."));
+        assertTrue(WildcardMatcher.from("?kibana?").test("?kibana."));
+        assertTrue(WildcardMatcher.from("/(\\d{3}-?\\d{2}-?\\d{4})/").test("123-45-6789"));
+        assertTrue(!WildcardMatcher.from("(\\d{3}-?\\d{2}-?\\d{4})").test("123-45-6789"));
+        assertTrue(WildcardMatcher.from("/\\S*/").test("abc"));
+        assertTrue(WildcardMatcher.from("abc").test("abc"));
+        assertTrue(!WildcardMatcher.from("ABC").test("abc"));
+    }
+}