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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.imports;
21  
22  import static org.junit.Assert.assertEquals;
23  import static org.junit.Assert.assertNotNull;
24  
25  import org.junit.Test;
26  
27  public class PkgImportRuleTest {
28  
29      @Test
30      public void testPkgImportRule() {
31          final PkgImportRule rule = new PkgImportRule(true, false, "pkg", false, false);
32          assertNotNull("Rule must not be null", rule);
33          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("asda"));
34          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("p"));
35          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkga"));
36          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a"));
37          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a.b"));
38          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg"));
39      }
40  
41      @Test
42      public void testPkgImportRuleExactMatch() {
43          final PkgImportRule rule = new PkgImportRule(true, false, "pkg", true, false);
44          assertNotNull("Rule must not be null", rule);
45          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("asda"));
46          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("p"));
47          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a"));
48          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg.a.b"));
49          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg"));
50      }
51  
52      @Test
53      public void testPkgImportRuleRegexpSimple() {
54          final PkgImportRule rule = new PkgImportRule(true, false, "pkg", false, true);
55          assertNotNull("Rule must not be null", rule);
56          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("asda"));
57          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("p"));
58          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkga"));
59          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a"));
60          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a.b"));
61          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg"));
62      }
63  
64      @Test
65      public void testPkgImportRuleExactMatchRegexpSimple() {
66          final PkgImportRule rule = new PkgImportRule(true, false, "pkg", true, true);
67          assertNotNull("Rule must not be null", rule);
68          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("asda"));
69          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("p"));
70          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a"));
71          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg.a.b"));
72          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg"));
73      }
74  
75      @Test
76      public void testPkgImportRuleRegexp() {
77          final PkgImportRule rule = new PkgImportRule(true, false, "(pkg|hallo)", false, true);
78          assertNotNull("Rule must not be null", rule);
79          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("asda"));
80          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("p"));
81          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkga"));
82          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a"));
83          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a.b"));
84          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg"));
85          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("halloa"));
86          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("hallo.a"));
87          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("hallo.a.b"));
88          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("hallo"));
89      }
90  
91      @Test
92      public void testPkgImportRuleExactMatchRegexp() {
93          final PkgImportRule rule = new PkgImportRule(true, false, "(pkg|hallo)", true, true);
94          assertNotNull("Rule must not be null", rule);
95          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("asda"));
96          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("p"));
97          assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("pkg.a"));
98          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg.a.b"));
99          assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("pkg"));
100         assertEquals("Invalid access result", AccessResult.ALLOWED, rule.verifyImport("hallo.a"));
101         assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("hallo.a.b"));
102         assertEquals("Invalid access result", AccessResult.UNKNOWN, rule.verifyImport("hallo"));
103     }
104 }