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DROOLS-5876: Display actual test results instead of a generic message (…
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94 changes: 94 additions & 0 deletions
94
...main/java/org/drools/scenariosimulation/backend/expression/ExpressionEvaluatorResult.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| * Copyright 2021 Red Hat, Inc. and/or its affiliates. | ||
| * | ||
| * Licensed 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.drools.scenariosimulation.backend.expression; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
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| /** | ||
| * This DTO holds info related to an expression evaluation. | ||
| * - successful: field represents status of involved evaluation (successful or failed); | ||
| * - pathToWrongValue: a list which contains the steps to describe the wrong value. In case of nested object or collections, | ||
| * can require multiple steps (eg. Author.books). In case of a list, conversion is to report the Item | ||
| * number (eg. Author.books.Item(2).isAvailable) | ||
| * - wrongValue: The actual wrong value | ||
| * Instantiated objects can be accessed only to retrieve the success status and to generate an error message, if evaluation | ||
| * failed, based on wrongValue and its path. | ||
| */ | ||
| public class ExpressionEvaluatorResult { | ||
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| private boolean successful; | ||
| private String wrongValue; | ||
| private List<String> pathToWrongValue; | ||
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| public static ExpressionEvaluatorResult of(boolean successful) { | ||
| return new ExpressionEvaluatorResult(successful); | ||
| } | ||
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| public static ExpressionEvaluatorResult ofSuccessful() { | ||
| return new ExpressionEvaluatorResult(true); | ||
| } | ||
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| public static ExpressionEvaluatorResult ofFailed() { | ||
| return new ExpressionEvaluatorResult(false); | ||
| } | ||
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| public static ExpressionEvaluatorResult ofFailed(String wrongValue, String wrongValueField) { | ||
| return new ExpressionEvaluatorResult(false, wrongValue, wrongValueField); | ||
| } | ||
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| private ExpressionEvaluatorResult(boolean successful, String wrongValue, String wrongValueField) { | ||
| this.successful = successful; | ||
| this.pathToWrongValue = new ArrayList<>(); | ||
| this.addFieldItemStepToPath(wrongValueField); | ||
| this.wrongValue = wrongValue; | ||
| } | ||
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| private ExpressionEvaluatorResult(boolean successful) { | ||
| this.successful = successful; | ||
| this.pathToWrongValue = new ArrayList<>(); | ||
| this.wrongValue = null; | ||
| } | ||
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| public boolean isSuccessful() { | ||
| return successful; | ||
| } | ||
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| public void addFieldItemStepToPath(String fieldName) { | ||
| pathToWrongValue.add(0, fieldName); | ||
| } | ||
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| public void addListItemStepToPath(int elementNumber) { | ||
| pathToWrongValue.add(0, "Item #: " + elementNumber); | ||
| } | ||
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| public void addMapItemStepToPath(String key) { | ||
| pathToWrongValue.add(0, "Item key \"" + key + "\""); | ||
| } | ||
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| public void setWrongValue(String wrongValue) { | ||
| this.wrongValue = wrongValue; | ||
| } | ||
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| public String getWrongValue() { | ||
| return wrongValue; | ||
| } | ||
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| public List<String> getPathToWrongValue() { | ||
| return Collections.unmodifiableList(pathToWrongValue); | ||
| } | ||
| } |
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