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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.design;
21  
22  import static com.puppycrawl.tools.checkstyle.checks.design.InterfaceIsTypeCheck.MSG_KEY;
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 InterfaceIsTypeCheckTest
32      extends AbstractModuleTestSupport {
33      @Override
34      protected String getPackageLocation() {
35          return "com/puppycrawl/tools/checkstyle/checks/design/interfaceistype";
36      }
37  
38      @Test
39      public void testDefault()
40              throws Exception {
41          final DefaultConfiguration checkConfig =
42              createModuleConfig(InterfaceIsTypeCheck.class);
43          final String[] expected = {
44              "25: " + getCheckMessage(MSG_KEY),
45          };
46          verify(checkConfig, getPath("InputInterfaceIsType.java"), expected);
47      }
48  
49      @Test
50      public void testAllowMarker()
51              throws Exception {
52          final DefaultConfiguration checkConfig =
53              createModuleConfig(InterfaceIsTypeCheck.class);
54          checkConfig.addAttribute("allowMarkerInterfaces", "false");
55          final String[] expected = {
56              "20: " + getCheckMessage(MSG_KEY),
57              "25: " + getCheckMessage(MSG_KEY),
58          };
59          verify(checkConfig, getPath("InputInterfaceIsType.java"), expected);
60      }
61  
62      @Test
63      public void testGetAcceptableTokens() {
64          final InterfaceIsTypeCheck obj = new InterfaceIsTypeCheck();
65          final int[] expected = {TokenTypes.INTERFACE_DEF};
66          assertArrayEquals("Default acceptable tokens are invalid",
67              expected, obj.getAcceptableTokens());
68      }
69  
70      @Test
71      public void testGetRequiredTokens() {
72          final InterfaceIsTypeCheck obj = new InterfaceIsTypeCheck();
73          final int[] expected = {TokenTypes.INTERFACE_DEF};
74          assertArrayEquals("Default required tokens are invalid",
75              expected, obj.getRequiredTokens());
76      }
77  }