| /** |
| * 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 org.apache.metron.stellar.dsl.functions; |
| |
| import org.apache.metron.stellar.dsl.DefaultVariableResolver; |
| import org.apache.metron.stellar.dsl.ParseException; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.apache.metron.stellar.common.utils.StellarProcessorUtils.runPredicate; |
| |
| public class RegExFunctionsTest { |
| |
| // test RegExMatch |
| @Test |
| public void testRegExMatch() throws Exception { |
| final Map<String, String> variableMap = new HashMap<String, String>() {{ |
| put("numbers", "12345"); |
| put("numberPattern", "\\d(\\d)(\\d).*"); |
| put("letters", "abcde"); |
| put("empty", ""); |
| }}; |
| |
| Assert.assertTrue(runPredicate("REGEXP_MATCH(numbers,numberPattern)", new DefaultVariableResolver(v -> variableMap.get(v),v -> variableMap.containsKey(v)))); |
| Assert.assertFalse(runPredicate("REGEXP_MATCH(letters,numberPattern)", new DefaultVariableResolver(v -> variableMap.get(v),v -> variableMap.containsKey(v)))); |
| } |
| |
| @Test |
| public void testRegExGroupVal() throws Exception { |
| final Map<String, String> variableMap = new HashMap<String, String>() {{ |
| put("numbers", "12345"); |
| put("numberPattern", "\\d(\\d)(\\d).*"); |
| put("numberPatternNoCaptures", "\\d\\d\\d.*"); |
| put("letters", "abcde"); |
| put("empty", ""); |
| }}; |
| Assert.assertTrue(runPredicate("REGEXP_GROUP_VAL(numbers,numberPattern,2) == '3'", new DefaultVariableResolver(v -> variableMap.get(v),v -> variableMap.containsKey(v)))); |
| Assert.assertTrue(runPredicate("REGEXP_GROUP_VAL(letters,numberPattern,2) == null", new DefaultVariableResolver(v -> variableMap.get(v),v -> variableMap.containsKey(v)))); |
| Assert.assertTrue(runPredicate("REGEXP_GROUP_VAL(empty,numberPattern,2) == null", new DefaultVariableResolver(v -> variableMap.get(v),v -> variableMap.containsKey(v)))); |
| Assert.assertTrue(runPredicate("REGEXP_GROUP_VAL(numbers,numberPatternNoCaptures,2) == null", new DefaultVariableResolver(v -> variableMap.get(v),v -> variableMap.containsKey(v)))); |
| |
| boolean thrown = false; |
| try{ |
| runPredicate("REGEXP_GROUP_VAL(2) == null", new DefaultVariableResolver(v -> variableMap.get(v),v -> variableMap.containsKey(v))); |
| }catch(ParseException | IllegalStateException ise){ |
| thrown = true; |
| } |
| if(!thrown){ |
| Assert.assertTrue("Did not fail on wrong number of parameters",false); |
| } |
| } |
| } |