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1   ////////////////////////////////////////////////////////////////////////////////
2   // checkstyle: Checks Java source code for adherence to a set of rules.
3   // Copyright (C) 2001-2017 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.checks.blocks;
21  
22  import static com.puppycrawl.tools.checkstyle.checks.blocks.EmptyCatchBlockCheck.MSG_KEY_CATCH_BLOCK_EMPTY;
23  import static org.junit.Assert.assertArrayEquals;
24  
25  import org.junit.Test;
26  
27  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
28  import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
29  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
30  
31  public class EmptyCatchBlockCheckTest extends AbstractModuleTestSupport {
32      @Override
33      protected String getPackageLocation() {
34          return "com/puppycrawl/tools/checkstyle/checks/blocks/emptycatchblock";
35      }
36  
37      @Test
38      public void testGetRequiredTokens() {
39          final EmptyCatchBlockCheck checkObj = new EmptyCatchBlockCheck();
40          final int[] expected = {TokenTypes.LITERAL_CATCH};
41          assertArrayEquals("Default required tokens are invalid",
42              expected, checkObj.getRequiredTokens());
43      }
44  
45      @Test
46      public void testDefault() throws Exception {
47          final DefaultConfiguration checkConfig =
48              createModuleConfig(EmptyCatchBlockCheck.class);
49          final String[] expected = {
50              "35: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
51              "42: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
52          };
53          verify(checkConfig, getPath("InputEmptyCatchBlockDefault.java"), expected);
54      }
55  
56      @Test
57      public void testWithUserSetValues() throws Exception {
58          final DefaultConfiguration checkConfig =
59              createModuleConfig(EmptyCatchBlockCheck.class);
60          checkConfig.addAttribute("exceptionVariableName", "expected|ignore|myException");
61          checkConfig.addAttribute("commentFormat", "This is expected");
62          final String[] expected = {
63              "35: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
64              "63: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
65              "97: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
66              "186: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
67              "195: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
68              "214: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
69              "230: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
70              "239: " + getCheckMessage(MSG_KEY_CATCH_BLOCK_EMPTY),
71          };
72          verify(checkConfig, getPath("InputEmptyCatchBlockDefault.java"), expected);
73      }
74  
75      @Test
76      public void testGetAcceptableTokens() {
77          final EmptyCatchBlockCheck constantNameCheckObj = new EmptyCatchBlockCheck();
78          final int[] actual = constantNameCheckObj.getAcceptableTokens();
79          final int[] expected = {TokenTypes.LITERAL_CATCH };
80          assertArrayEquals("Default acceptable tokens are invalid", expected, actual);
81      }
82  }