| /* |
| * 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 java.util.regex.Pattern; |
| |
| import freemarker.core.Environment; |
| 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.NullWriter; |
| import freemarker.template.utility.StringUtil; |
| |
| public class AssertFailsDirective implements TemplateDirectiveModel { |
| |
| public static AssertFailsDirective INSTANCE = new AssertFailsDirective(); |
| |
| private static final String MESSAGE_PARAM = "message"; |
| private static final String MESSAGE_REGEXP_PARAM = "messageRegexp"; |
| private static final String EXCEPTION_PARAM = "exception"; |
| private static final String CAUSE_NESTING_LEVEL_PARAM = "causeNestingLevel"; |
| |
| private AssertFailsDirective() { } |
| |
| public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) |
| throws TemplateException, IOException { |
| String message = null; |
| Pattern messageRegexp = null; |
| String exception = null; |
| int causeNestingLevel = 0; |
| for (Object paramEnt : params.entrySet()) { |
| Map.Entry<String, TemplateModel> param = (Map.Entry) paramEnt; |
| String paramName = param.getKey(); |
| if (paramName.equals(MESSAGE_PARAM)) { |
| message = getAsString(param.getValue(), MESSAGE_PARAM, env); |
| } else if (paramName.equals(MESSAGE_REGEXP_PARAM)) { |
| messageRegexp = Pattern.compile( |
| getAsString(param.getValue(), MESSAGE_REGEXP_PARAM, env), |
| Pattern.CASE_INSENSITIVE); |
| } else if (paramName.equals(EXCEPTION_PARAM)) { |
| exception = getAsString(param.getValue(), EXCEPTION_PARAM, env); |
| } else if (paramName.equals(CAUSE_NESTING_LEVEL_PARAM)) { |
| causeNestingLevel = getAsInt(param.getValue(), CAUSE_NESTING_LEVEL_PARAM, env); |
| } else { |
| throw new UnsupportedParameterException(paramName, env); |
| } |
| } |
| |
| if (body != null) { |
| boolean blockFailed; |
| try { |
| body.render(NullWriter.INSTANCE); |
| blockFailed = false; |
| } catch (Throwable e) { |
| blockFailed = true; |
| |
| int causeNestingLevelCountDown = causeNestingLevel; |
| while (causeNestingLevelCountDown != 0) { |
| e = e.getCause(); |
| if (e == null) { |
| throw new AssertationFailedInTemplateException( |
| "Failure is not like expected: The cause exception nesting dept was lower than " |
| + causeNestingLevel + ".", |
| env); |
| } |
| causeNestingLevelCountDown--; |
| } |
| |
| if (message != null || messageRegexp != null) { |
| if (e.getMessage() == null) { |
| throw new AssertationFailedInTemplateException( |
| "Failure is not like expected. The exception message was null, " |
| + "and thus it doesn't contain:\n" + StringUtil.jQuote(message) + ".", |
| env); |
| } |
| if (message != null) { |
| String actualMessage = e instanceof TemplateException |
| ? ((TemplateException) e).getMessageWithoutStackTop() : e.getMessage(); |
| if (actualMessage.toLowerCase().indexOf(message.toLowerCase()) == -1) { |
| throw new AssertationFailedInTemplateException( |
| "Failure is not like expected. The exception message:\n" + StringUtil.jQuote(actualMessage) |
| + "\ndoesn't contain:\n" + StringUtil.jQuote(message) + ".", |
| env); |
| } |
| } |
| if (messageRegexp != null) { |
| if (!messageRegexp.matcher(e.getMessage()).find()) { |
| throw new AssertationFailedInTemplateException( |
| "Failure is not like expected. The exception message:\n" + StringUtil.jQuote(e.getMessage()) |
| + "\ndoesn't match this regexp:\n" + StringUtil.jQuote(messageRegexp.toString()) |
| + ".", |
| env); |
| } |
| } |
| } |
| if (exception != null && e.getClass().getName().indexOf(exception) == -1) { |
| throw new AssertationFailedInTemplateException( |
| "Failure is not like expected. The exception class name " + StringUtil.jQuote(e.getClass().getName()) |
| + " doesn't contain " + StringUtil.jQuote(message) + ".", |
| env); |
| } |
| } |
| if (!blockFailed) { |
| throw new AssertationFailedInTemplateException( |
| "Block was expected to fail, but it didn't.", |
| env); |
| } |
| } |
| } |
| |
| private String getAsString(TemplateModel value, String paramName, Environment env) |
| throws BadParameterTypeException, TemplateModelException { |
| if (value instanceof TemplateScalarModel) { |
| return ((TemplateScalarModel) value).getAsString(); |
| } else { |
| throw new BadParameterTypeException(paramName, "string", value, env); |
| } |
| } |
| |
| private int getAsInt(TemplateModel value, String paramName, Environment env) throws BadParameterTypeException, TemplateModelException { |
| if (value instanceof TemplateNumberModel) { |
| return ((TemplateNumberModel) value).getAsNumber().intValue(); |
| } else { |
| throw new BadParameterTypeException(paramName, "number", value, env); |
| } |
| } |
| |
| } |