| /* |
| * 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 freemarker.test.utility; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import freemarker.core.Environment; |
| import freemarker.core._CoreAPI; |
| import freemarker.template.TemplateBooleanModel; |
| import freemarker.template.TemplateDateModel; |
| import freemarker.template.TemplateDirectiveBody; |
| import freemarker.template.TemplateDirectiveModel; |
| import freemarker.template.TemplateException; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.TemplateNumberModel; |
| import freemarker.template.TemplateScalarModel; |
| import freemarker.template.utility.StringUtil; |
| |
| public class AssertEqualsDirective implements TemplateDirectiveModel { |
| |
| public static AssertEqualsDirective INSTANCE = new AssertEqualsDirective(); |
| |
| private static final String ACTUAL_PARAM = "actual"; |
| private static final String EXPECTED_PARAM = "expected"; |
| |
| private AssertEqualsDirective() { } |
| |
| public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) |
| throws TemplateException, IOException { |
| TemplateModel actual = null; |
| TemplateModel expected = null; |
| for (Object paramEnt : params.entrySet()) { |
| Map.Entry<String, TemplateModel> param = (Map.Entry) paramEnt; |
| String paramName = param.getKey(); |
| if (paramName.equals(ACTUAL_PARAM)) { |
| actual = param.getValue(); |
| } else if (paramName.equals(EXPECTED_PARAM)) { |
| expected = param.getValue(); |
| } else { |
| throw new UnsupportedParameterException(paramName, env); |
| } |
| } |
| if (actual == null) { |
| throw new MissingRequiredParameterException(ACTUAL_PARAM, env); |
| } |
| if (expected == null) { |
| throw new MissingRequiredParameterException(EXPECTED_PARAM, env); |
| } |
| _CoreAPI.checkHasNoNestedContent(body); |
| |
| if (!env.applyEqualsOperatorLenient(actual, expected)) { |
| throw new AssertationFailedInTemplateException("Assertion failed:\n" |
| + "Expected: " + tryUnwrapp(expected) + "\n" |
| + "Actual: " + tryUnwrapp(actual), |
| env); |
| } |
| |
| } |
| |
| private String tryUnwrapp(TemplateModel value) throws TemplateModelException { |
| if (value == null) return "null"; |
| // This is the same order as comparison goes: |
| else if (value instanceof TemplateNumberModel) return ((TemplateNumberModel) value).getAsNumber().toString(); |
| else if (value instanceof TemplateDateModel) return ((TemplateDateModel) value).getAsDate().toString(); |
| else if (value instanceof TemplateScalarModel) return StringUtil.jQuote(((TemplateScalarModel) value).getAsString()); |
| else if (value instanceof TemplateBooleanModel) return String.valueOf(((TemplateBooleanModel) value).getAsBoolean()); |
| // This shouldn't be reached, as the comparison should have failed earlier: |
| else return value.toString(); |
| } |
| |
| } |