| /** |
| * 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.hadoop.gateway.util.urltemplate; |
| |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.nullValue; |
| import static org.hamcrest.collection.IsIterableContainingInOrder.contains; |
| |
| public class FunctionTest { |
| |
| @Test |
| public void testParse() throws Exception { |
| Function function; |
| |
| function = new Function( null ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( " " ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "variable" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), is( "variable" ) ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( " variable " ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), is( "variable" ) ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "(variable)" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), is( "variable" ) ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( " ( variable ) " ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), is( "variable" ) ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "[literal]" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), contains( "literal" ) ); |
| |
| function = new Function( " [ literal ] " ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), contains( "literal" ) ); |
| |
| function = new Function( "()" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "[]" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "$" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "$()" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "$[]" ); |
| assertThat( function.getFunctionName(), nullValue() ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "$function" ); |
| assertThat( function.getFunctionName(), is( "function") ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "$function(variable)" ); |
| assertThat( function.getFunctionName(), is( "function" ) ); |
| assertThat( function.getParameterName(), is( "variable" ) ); |
| assertThat( function.getParameterValue(), nullValue() ); |
| |
| function = new Function( "$function[literal]" ); |
| assertThat( function.getFunctionName(), is( "function") ); |
| assertThat( function.getParameterName(), nullValue() ); |
| assertThat( function.getParameterValue(), contains( "literal" ) ); |
| } |
| |
| @Test |
| public void testEvaluate() throws Exception { |
| TestResolver resolver = new TestResolver(); |
| TestEvaluator evaluator = new TestEvaluator(); |
| List<String> values; |
| |
| values = Function.evaluate( "$test-func(test-variable)", resolver, evaluator ); |
| assertThat( values, contains( "<test-func:resolve(test-variable)>" ) ); |
| |
| values = Function.evaluate( "$test-func[test-literal]", resolver, evaluator ); |
| assertThat( values, contains( "<test-func:test-literal>" ) ); |
| |
| values = Function.evaluate( "test-variable", resolver, evaluator ); |
| assertThat( values, contains( "resolve(test-variable)" ) ); |
| |
| values = Function.evaluate( "(test-variable)", resolver, evaluator ); |
| assertThat( values, contains( "resolve(test-variable)" ) ); |
| |
| values = Function.evaluate( "[test-literal]", resolver, evaluator ); |
| assertThat( values, contains( "test-literal" ) ); |
| } |
| |
| class TestResolver implements Resolver { |
| |
| @Override |
| public List<String> resolve( String name ) { |
| return Arrays.asList( "resolve(" + name + ")" ); |
| } |
| |
| } |
| |
| class TestEvaluator implements Evaluator { |
| |
| @Override |
| public List<String> evaluate( String function, List<String> parameters ) { |
| List<String> result = new ArrayList<String>( parameters.size() ); |
| for( String parameter : parameters ) { |
| result.add( "<" + function + ":" + parameter + ">" ); |
| } |
| return result; |
| } |
| |
| } |
| |
| } |