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1   /*
2    * Copyright 2020 SPF4J.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.spf4j.test.log;
17  
18  import org.slf4j.Logger;
19  
20  /**
21   * Utilities to validate correct Test logger framework setup.
22   *
23   * @author Zoltan Farkas
24   */
25  public final class ValidationUtils {
26  
27    private ValidationUtils() { }
28  
29    public static void validateLogger(final Logger log) {
30      if (!(log instanceof TestLogger)) {
31        throw new ExceptionInInitializerError("Incorrect logging backend is picked up, please make sure:\n"
32                + "     <dependency>\n"
33                + "      <groupId>org.spf4j</groupId>\n"
34                + "      <artifactId>spf4j-slf4j-test</artifactId>\n"
35                + "      <scope>test</scope>\n"
36                + "      <version>${project.version}</version>\n"
37                + "    </dependency>\n is before any other slf4j logging backed (logback, etc...) in your dependencies");
38      }
39    }
40  
41  }