| /* |
| * 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.common.evaluators; |
| |
| import org.antlr.v4.runtime.tree.TerminalNode; |
| import org.apache.metron.stellar.common.generated.StellarParser; |
| import org.apache.metron.stellar.dsl.ParseException; |
| import org.apache.metron.stellar.dsl.Token; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.*; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| @SuppressWarnings({"unchecked"}) |
| public class ComparisonExpressionWithOperatorEvaluatorTest { |
| final ComparisonExpressionWithOperatorEvaluator evaluator = ComparisonExpressionWithOperatorEvaluator.INSTANCE; |
| |
| @Test |
| public void evaluateEqShouldProperlyCallEqualityOperatorsEvaluator() { |
| Token<Double> left = mock(Token.class); |
| when(left.getValue()).thenReturn(1D); |
| |
| Token<Double> right = mock(Token.class); |
| when(right.getValue()).thenReturn(1D); |
| |
| StellarParser.ComparisonOpContext op = mock(StellarParser.ComparisonOpContext.class); |
| when(op.EQ()).thenReturn(mock(TerminalNode.class)); |
| |
| Token<Boolean> evaluated = evaluator.evaluate(left, right, op, null); |
| |
| assertTrue(evaluated.getValue()); |
| } |
| |
| @Test |
| public void evaluateNotEqShouldProperlyCallEqualityOperatorsEvaluator() { |
| Token<Double> left = mock(Token.class); |
| when(left.getValue()).thenReturn(1D); |
| |
| Token<Double> right = mock(Token.class); |
| when(right.getValue()).thenReturn(1D); |
| |
| StellarParser.ComparisonOpContext op = mock(StellarParser.ComparisonOpContext.class); |
| when(op.NEQ()).thenReturn(mock(TerminalNode.class)); |
| |
| Token<Boolean> evaluated = evaluator.evaluate(left, right, op, null); |
| |
| assertFalse(evaluated.getValue()); |
| } |
| |
| @Test |
| public void evaluateLessThanEqShouldProperlyCallEqualityOperatorsEvaluator() { |
| Token<Double> left = mock(Token.class); |
| when(left.getValue()).thenReturn(0D); |
| |
| Token<Double> right = mock(Token.class); |
| when(right.getValue()).thenReturn(1D); |
| |
| StellarParser.ComparisonOpContext op = mock(StellarParser.ComparisonOpContext.class); |
| when(op.LTE()).thenReturn(mock(TerminalNode.class)); |
| |
| Token<Boolean> evaluated = evaluator.evaluate(left, right, op, null); |
| |
| assertTrue(evaluated.getValue()); |
| } |
| |
| @Test |
| public void unexpectedOperatorShouldThrowException() { |
| Token<Double> left = mock(Token.class); |
| when(left.getValue()).thenReturn(0D); |
| |
| Token<Double> right = mock(Token.class); |
| when(right.getValue()).thenReturn(1D); |
| |
| StellarParser.ComparisonOpContext op = mock(StellarParser.ComparisonOpContext.class); |
| |
| ParseException e = assertThrows(ParseException.class, () -> evaluator.evaluate(left, right, op, null)); |
| assertTrue(e.getMessage().contains("Unsupported operations. The following expression is invalid: ")); |
| } |
| |
| @Test |
| public void nonExpectedOperatorShouldThrowException() { |
| Token<String> left = mock(Token.class); |
| when(left.getValue()).thenReturn("adsf"); |
| |
| Token<Double> right = mock(Token.class); |
| when(right.getValue()).thenReturn(1D); |
| |
| StellarParser.ComparisonOpContext op = mock(StellarParser.ComparisonOpContext.class); |
| when(op.LTE()).thenReturn(mock(TerminalNode.class)); |
| |
| ParseException e = assertThrows(ParseException.class, () -> evaluator.evaluate(left, right, op, null)); |
| assertTrue(e.getMessage().contains("Unsupported operations. The following expression is invalid: ")); |
| } |
| } |