| /* |
| * 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.tinkerpop.gremlin.structure.util; |
| |
| import org.apache.tinkerpop.gremlin.TestHelper; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class GraphVariableHelperTest { |
| @Test |
| public void shouldBeUtilityClass() throws Exception { |
| TestHelper.assertIsUtilityClass(GraphVariableHelper.class); |
| } |
| |
| @Test |
| public void shouldThrowIfValueIsNull() { |
| try { |
| GraphVariableHelper.validateVariable("test", null); |
| fail("Should have thrown an exception when value is null"); |
| } catch (Exception iae) { |
| final Exception expected = Graph.Variables.Exceptions.variableValueCanNotBeNull(); |
| assertEquals(expected.getClass(), iae.getClass()); |
| assertEquals(expected.getMessage(), iae.getMessage()); |
| } |
| } |
| |
| @Test |
| public void shouldThrowIfKeyIsNull() { |
| try { |
| GraphVariableHelper.validateVariable(null, "test"); |
| fail("Should have thrown an exception when key is null"); |
| } catch (Exception iae) { |
| final Exception expected = Graph.Variables.Exceptions.variableKeyCanNotBeNull(); |
| assertEquals(expected.getClass(), iae.getClass()); |
| assertEquals(expected.getMessage(), iae.getMessage()); |
| } |
| } |
| |
| @Test |
| public void shouldThrowIfKeyIsEmpty() { |
| try { |
| GraphVariableHelper.validateVariable("", "test"); |
| fail("Should have thrown an exception when key is empty"); |
| } catch (Exception iae) { |
| final Exception expected = Graph.Variables.Exceptions.variableKeyCanNotBeEmpty(); |
| assertEquals(expected.getClass(), iae.getClass()); |
| assertEquals(expected.getMessage(), iae.getMessage()); |
| } |
| } |
| } |