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1   ///////////////////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3   // Copyright (C) 2001-2026 the original author or authors.
4   //
5   // This library is free software; you can redistribute it and/or
6   // modify it under the terms of the GNU Lesser General Public
7   // License as published by the Free Software Foundation; either
8   // version 2.1 of the License, or (at your option) any later version.
9   //
10  // This library is distributed in the hope that it will be useful,
11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  // Lesser General Public License for more details.
14  //
15  // You should have received a copy of the GNU Lesser General Public
16  // License along with this library; if not, write to the Free Software
17  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  ///////////////////////////////////////////////////////////////////////////////////////////////
19  
20  package com.puppycrawl.tools.checkstyle.api;
21  
22  import static com.google.common.truth.Truth.assertWithMessage;
23  import static com.puppycrawl.tools.checkstyle.internal.utils.TestUtil.getExpectedThrowable;
24  
25  import org.junit.jupiter.api.Test;
26  
27  public class SeverityLevelCounterTest {
28  
29      @Test
30      public void testCtorException() {
31          final IllegalArgumentException exc =
32                  getExpectedThrowable(IllegalArgumentException.class,
33                          () -> new SeverityLevelCounter(null));
34  
35          assertWithMessage("Invalid exception message")
36                  .that(exc)
37                  .hasMessageThat()
38                  .isEqualTo("'level' cannot be null");
39      }
40  
41      @Test
42      public void testAddError() {
43          final SeverityLevelCounter counter = new SeverityLevelCounter(SeverityLevel.ERROR);
44          assertWithMessage("Invalid severity level count")
45                  .that(counter.getCount())
46                  .isEqualTo(0);
47          // not counted
48          counter.addError(new AuditEvent(this, "ATest.java", null));
49          counter.addError(new AuditEvent(this, "ATest.java", new Violation(1, 2, 0, null,
50                  null, null, SeverityLevel.INFO, null, null, null)));
51          // counted
52          counter.addError(new AuditEvent(this, "ATest.java", new Violation(1, 2, 0, null,
53                  null, null, SeverityLevel.ERROR, null, null, null)));
54          assertWithMessage("Invalid severity level count")
55                  .that(counter.getCount())
56                  .isEqualTo(1);
57      }
58  
59      @Test
60      public void testAddException() {
61          final SeverityLevelCounter counter = new SeverityLevelCounter(SeverityLevel.ERROR);
62          final AuditEvent event = new AuditEvent(this, "ATest.java", null);
63          assertWithMessage("Invalid severity level count")
64                  .that(counter.getCount())
65                  .isEqualTo(0);
66          counter.addException(event, new IllegalStateException("Test IllegalStateException"));
67          assertWithMessage("Invalid severity level count")
68                  .that(counter.getCount())
69                  .isEqualTo(1);
70      }
71  
72      @Test
73      public void testAddExceptionWarning() {
74          final SeverityLevelCounter counter = new SeverityLevelCounter(SeverityLevel.WARNING);
75          final AuditEvent event = new AuditEvent(this, "ATest.java", null);
76          assertWithMessage("Invalid severity level count")
77                  .that(counter.getCount())
78                  .isEqualTo(0);
79          counter.addException(event, new IllegalStateException("Test IllegalStateException"));
80          assertWithMessage("Invalid severity level count")
81                  .that(counter.getCount())
82                  .isEqualTo(0);
83      }
84  
85      @Test
86      public void testAuditStartedClearsState() {
87          final SeverityLevelCounter counter = new SeverityLevelCounter(SeverityLevel.ERROR);
88          final AuditEvent event = new AuditEvent(this, "ATest.java", null);
89          final AuditEvent secondEvent = new AuditEvent(this, "BTest.java", null);
90  
91          counter.auditStarted(event);
92          assertWithMessage("Invalid severity level count")
93                  .that(counter.getCount())
94                  .isEqualTo(0);
95  
96          counter.addException(event, new IllegalStateException("Test IllegalStateException"));
97          assertWithMessage("Invalid severity level count")
98                  .that(counter.getCount())
99                  .isEqualTo(1);
100 
101         counter.auditStarted(secondEvent);
102         assertWithMessage("Invalid severity level count")
103                 .that(counter.getCount())
104                 .isEqualTo(0);
105     }
106 
107 }