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1   /*
2    * *************************************************************************************************************************************************************
3    *
4    * TheseFoolishThings: Miscellaneous utilities
5    * http://tidalwave.it/projects/thesefoolishthings
6    *
7    * Copyright (C) 2009 - 2024 by Tidalwave s.a.s. (http://tidalwave.it)
8    *
9    * *************************************************************************************************************************************************************
10   *
11   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12   * You may obtain a copy of the License at
13   *
14   *     http://www.apache.org/licenses/LICENSE-2.0
15   *
16   * 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
17   * CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
18   *
19   * *************************************************************************************************************************************************************
20   *
21   * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22   * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23   *
24   * *************************************************************************************************************************************************************
25   */
26  package it.tidalwave.util.test;
27  
28  import javax.annotation.Nonnull;
29  import java.util.ArrayList;
30  import java.util.Collection;
31  import java.util.Collections;
32  import java.util.List;
33  import java.util.Map;
34  import java.util.function.Consumer;
35  import org.springframework.context.ApplicationContext;
36  import org.springframework.context.support.GenericApplicationContext;
37  import org.springframework.context.support.GenericXmlApplicationContext;
38  import org.springframework.core.env.MapPropertySource;
39  import org.springframework.core.env.StandardEnvironment;
40  import lombok.extern.slf4j.Slf4j;
41  
42  /***************************************************************************************************************************************************************
43   *
44   * A facility that provides some common tasks for testing, such as creating a Spring context and manipulating files.
45   *
46   * @author  Fabrizio Giudici
47   * @since 3.2-ALPHA-18
48   *
49   **************************************************************************************************************************************************************/
50  @Slf4j
51  public class SpringTestHelper extends BaseTestHelper
52    {
53      /***********************************************************************************************************************************************************
54       * 
55       **********************************************************************************************************************************************************/
56      public SpringTestHelper (@Nonnull final Object test)
57        {
58          super(test);
59        }
60  
61      /***********************************************************************************************************************************************************
62       * Creates a Spring context configured with the given files. A further configuration file is appended, named
63       * {@code test-class-simple-name/TestBeans.xml}.
64       *
65       * @param   configurationFiles  the configuration files
66       * @return                      the Spring {@link ApplicationContext}
67       **********************************************************************************************************************************************************/
68      @Nonnull
69      public ApplicationContext createSpringContext (@Nonnull final String ... configurationFiles)
70        {
71          return createSpringContext(Collections.emptyMap(), configurationFiles);
72        }
73  
74      /***********************************************************************************************************************************************************
75       * Creates a Spring context configured with the given files. A further configuration file is appended, named
76       * {@code test-class-simple-name/TestBeans.xml}.
77       *
78       * @param   properties          the properties
79       * @param   configurationFiles  the configuration files
80       * @return                      the Spring {@link ApplicationContext}
81       **********************************************************************************************************************************************************/
82      @Nonnull
83      public ApplicationContext createSpringContext (@Nonnull final Map<String, Object> properties,
84                                                     @Nonnull final String ... configurationFiles)
85        {
86          return createSpringContext(properties, context -> {}, new ArrayList<>(List.of(configurationFiles)));
87        }
88  
89      /***********************************************************************************************************************************************************
90       * Creates a Spring context configured with the given files. A further configuration file is appended, named
91       * {@code test-class-simple-name/TestBeans.xml}.
92       *
93       * @param   configurationFiles  the configuration files
94       * @param   modifier            a processor to modify the contents of the context
95       * @return                      the Spring {@link ApplicationContext}
96       **********************************************************************************************************************************************************/
97      @Nonnull
98      public ApplicationContext createSpringContext (@Nonnull final Consumer<? super GenericApplicationContext> modifier,
99                                                     @Nonnull final String ... configurationFiles)
100       {
101         return createSpringContext(Collections.emptyMap(), modifier, configurationFiles);
102       }
103 
104     /***********************************************************************************************************************************************************
105      * Creates a Spring context configured with the given files. A further configuration file is appended, named
106      * {@code test-class-simple-name/TestBeans.xml}.
107      *
108      * @param   properties          the properties
109      * @param   modifier            a processor to modify the contents of the context
110      * @param   configurationFiles  the configuration files
111      * @return                      the Spring {@link ApplicationContext}
112      **********************************************************************************************************************************************************/
113     @Nonnull
114     public ApplicationContext createSpringContext (@Nonnull final Map<String, Object> properties,
115                                                    @Nonnull final Consumer<? super GenericApplicationContext> modifier,
116                                                    @Nonnull final String ... configurationFiles)
117       {
118         return createSpringContext(properties, modifier, new ArrayList<>(List.of(configurationFiles)));
119       }
120 
121     /***********************************************************************************************************************************************************
122      * 
123      **********************************************************************************************************************************************************/
124     @Nonnull
125     private ApplicationContext createSpringContext (@Nonnull final Map<String, Object> properties,
126                                                     @Nonnull final Consumer<? super GenericApplicationContext> modifier,
127                                                     @Nonnull final Collection<? super String> configurationFiles)
128       {
129         configurationFiles.add(test.getClass().getSimpleName() + "/TestBeans.xml");
130 
131         final var environment = new StandardEnvironment();
132         environment.getPropertySources().addFirst(new MapPropertySource("test", properties));
133         final var context = new GenericXmlApplicationContext();
134         context.setEnvironment(environment);
135         context.load(configurationFiles.toArray(new String[0]));
136         modifier.accept(context);
137         context.refresh();
138         log.info("Beans: {}", List.of(context.getBeanFactory().getBeanDefinitionNames()));
139 
140         return context;
141       }
142   }