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Batik Test Harness
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/*

   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.batik.test;

/**
 * Defines the interface of a TestReport produced
 * by a Test case.
 *
 * @author Vincent Hardy
 * @version $Id: TestReport.java 1733416 2016-03-03 07:07:13Z gadams $
 */
public interface TestReport {
    /**
     * Error code to be used when a Test fails in
     * its own operation (i.e., the Test itself
     * fails, not what it is testing. An internal failure
     * is reported when any type of exception occurs while
     * running the test.
     */
    String ERROR_INTERNAL_TEST_FAILURE
        = "TestReport.error.internal.test.failure";

    /**
     * Very generic error code which can be used to report
     * that the test failed.
     */
    String ERROR_TEST_FAILED
        = "TestReport.error.test.failed";

    /**
     * Generic error code to report test assertion failures.
     */
    String ERROR_ASSERTION_FAILED
        = "TestReport.error.assertion.failed";

    /**
     * Entry describing the class of the internal exception
     * that caused the test's internal failure
     */
    String
        ENTRY_KEY_INTERNAL_TEST_FAILURE_EXCEPTION_CLASS
        = "TestReport.entry.key.internal.test.failure.exception.class";

    /**
     * Entry describing the messages of the internal exception
     * that caused the test's internal failure
     */
    String
        ENTRY_KEY_INTERNAL_TEST_FAILURE_EXCEPTION_MESSAGE
        = "TestReport.entry.key.internal.test.failure.exception.message";

    /**
     * Entry with the stack trace for the internal exception
     * that caused the test's internal failure
     */
    String
        ENTRY_KEY_INTERNAL_TEST_FAILURE_EXCEPTION_STACK_TRACE
        = "TestReport.entry.key.internal.test.failure.exception.stack.trace";

    /**
     * Entry with the class of the exception that caused the test to fail.
     * Note that this is different from
     * ENTRY_KEY_INTERNAL_TEST_FAILURE_EXCEPTION_CLASS, in
     * which case, the test itself failed unexpectedly. In this
     * case, the entry is used to describe an expected exception
     * for which the Test author probably created a
     * specific error code.
     */
    String
        ENTRY_KEY_REPORTED_TEST_FAILURE_EXCEPTION_CLASS
        = "TestReport.entry.key.reported.test.failure.exception.class";

    /**
     * Entry with the message of the exception that caused the test to fail.
     * Note that this is different from
     * ENTRY_KEY_INTERNAL_TEST_FAILURE_EXCEPTION_MESSAGE, in
     * which case, the test itself failed unexpectedly. In this
     * case, the entry is used to describe an expected exception
     * for which the Test author probably created a
     * specific error code.
     */
    String
        ENTRY_KEY_REPORTED_TEST_FAILURE_EXCEPTION_MESSAGE
        = "TestReport.entry.key.reported.test.failure.exception.message";

    /**
     * Entry with the stack trace that caused the test to fail.
     * Note that this is different from
     * ENTRY_KEY_INTERNAL_TEST_FAILURE_EXCEPTION_STACK_TRACE, in
     * which case, the test itself failed unexpectedly. In this
     * case, the entry is used to describe an expected exception
     * for which the Test author probably created a
     * specific error code.
     */
    String
        ENTRY_KEY_REPORTED_TEST_FAILURE_EXCEPTION_STACK_TRACE
        = "TestReport.entry.key.reported.test.failure.exception.stack.trace";

    /**
     * Entry with the stack trace for a specific test error
     * condition.
     */
    String
        ENTRY_KEY_ERROR_CONDITION_STACK_TRACE
        = "TestReport.entry.key.error.condition.stack.trace";

    /**
     * Inner class for describing an information element in a
     * TestReport
     */
    class Entry {
        private String entryKey;
        private Object entryValue;

        public Entry(String entryKey,
                     Object entryValue){
            this.entryKey = entryKey;
            this.entryValue = entryValue;
        }

        public final String getKey(){
            return entryKey;
        }

        public final Object getValue(){
            return entryValue;
        }
    }

    /**
     * Returns the overall test result
     */
    boolean hasPassed();

    /**
     * Returns the error code. This should never be null
     * if the test failed (i.e., if hasPassed returns false).
     */
    String getErrorCode();

    /**
     * Returns an array of Entry objects describing the
     * test result.
     * Accepted value types are String objects, URL
     * objects, File objects and TestReport objects.
     * File objects should be considered as temporary files
     */
    Entry[] getDescription();

    /**
     * Appends entry to the array of description entry.
     */
    void addDescriptionEntry(String key,
                                    Object value);

    /**
     * Returns the Test object that generated this
     * TestReport
     */
    Test getTest();

    /**
     * Returns the parent report in case this TestReport is
     * part of a TestSuiteReport. This may be null.
     */
    TestSuiteReport getParentReport();

    /**
     * Set this report's parent.
     */
    void setParentReport(TestSuiteReport parent);
}