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   1 /*
   2  * SonarQube, open source software quality management tool.
   3  * Copyright (C) 2008-2013 SonarSource
   4  * mailto:contact AT sonarsource DOT com
   5  *
   6  * SonarQube is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * SonarQube is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20
  21 package org.sonar.plugins.core.issue.ignore.scanner;
  22
  23 import com.google.common.collect.Sets;
  24 import org.junit.Before;
  25 import org.junit.Test;
  26 import org.mockito.Mock;
  27 import org.mockito.MockitoAnnotations;
  28 import org.sonar.plugins.core.issue.ignore.pattern.ExclusionPatternInitializer;
  29 import org.sonar.plugins.core.issue.ignore.pattern.IssuePattern;
  30 import org.sonar.plugins.core.issue.ignore.pattern.LineRange;
  31 import org.sonar.plugins.core.issue.ignore.pattern.PatternMatcher;
  32 import org.sonar.test.TestUtils;
  33
  34 import java.io.IOException;
  35 import java.util.Arrays;
  36 import java.util.Set;
  37
  38 import static com.google.common.base.Charsets.UTF_8;
  39 import static org.mockito.Mockito.times;
  40 import static org.mockito.Mockito.verify;
  41 import static org.mockito.Mockito.verifyNoMoreInteractions;
  42 import static org.mockito.Mockito.when;
  43
  44 public class RegexpScannerTest {
  45
  46   private RegexpScanner regexpScanner;
  47
  48   private String javaFile;
  49   @Mock
  50   private ExclusionPatternInitializer patternsInitializer;
  51   @Mock
  52   private PatternMatcher patternMatcher;
  53   @Mock
  54   private IssuePattern allFilePattern;
  55   @Mock
  56   private IssuePattern blockPattern1;
  57   @Mock
  58   private IssuePattern blockPattern2;
  59
  60   @Before
  61   public void init() {
  62     MockitoAnnotations.initMocks(this);
  63
  64     when(allFilePattern.getAllFileRegexp()).thenReturn("@SONAR-IGNORE-ALL");
  65     when(blockPattern1.getBeginBlockRegexp()).thenReturn("// SONAR-OFF");
  66     when(blockPattern1.getEndBlockRegexp()).thenReturn("// SONAR-ON");
  67     when(blockPattern2.getBeginBlockRegexp()).thenReturn("// FOO-OFF");
  68     when(blockPattern2.getEndBlockRegexp()).thenReturn("// FOO-ON");
  69     when(patternsInitializer.getAllFilePatterns()).thenReturn(Arrays.asList(allFilePattern));
  70     when(patternsInitializer.getBlockPatterns()).thenReturn(Arrays.asList(blockPattern1, blockPattern2));
  71     when(patternsInitializer.getPatternMatcher()).thenReturn(patternMatcher);
  72
  73     regexpScanner = new RegexpScanner(patternsInitializer);
  74     verify(patternsInitializer, times(1)).getAllFilePatterns();
  75     verify(patternsInitializer, times(1)).getBlockPatterns();
  76
  77     javaFile = "org.sonar.test.MyFile";
  78   }
  79
  80   @Test
  81   public void shouldDoNothing() throws IOException {
  82     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-no-regexp.txt"), UTF_8);
  83
  84     verifyNoMoreInteractions(patternsInitializer);
  85   }
  86
  87   @Test
  88   public void shouldAddPatternToExcludeFile() throws IOException {
  89     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-single-regexp.txt"), UTF_8);
  90
  91     verify(patternsInitializer).getPatternMatcher();
  92     verify(patternMatcher, times(1)).addPatternToExcludeResource(javaFile);
  93     verifyNoMoreInteractions(patternsInitializer);
  94   }
  95
  96   @Test
  97   public void shouldAddPatternToExcludeFileEvenIfAlsoDoubleRegexps() throws IOException {
  98     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-single-regexp-and-double-regexp.txt"), UTF_8);
  99
 100     verify(patternsInitializer).getPatternMatcher();
 101     verify(patternMatcher, times(1)).addPatternToExcludeResource(javaFile);
 102     verifyNoMoreInteractions(patternsInitializer);
 103   }
 104
 105   @Test
 106   public void shouldAddPatternToExcludeLines() throws IOException {
 107     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-double-regexp.txt"), UTF_8);
 108
 109     Set<LineRange> lineRanges = Sets.newHashSet();
 110     lineRanges.add(new LineRange(21, 25));
 111     verify(patternsInitializer).getPatternMatcher();
 112     verify(patternMatcher, times(1)).addPatternToExcludeLines(javaFile, lineRanges);
 113     verifyNoMoreInteractions(patternsInitializer);
 114   }
 115
 116   @Test
 117   public void shouldAddPatternToExcludeLinesTillTheEnd() throws IOException {
 118     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-double-regexp-unfinished.txt"), UTF_8);
 119
 120     Set<LineRange> lineRanges = Sets.newHashSet();
 121     lineRanges.add(new LineRange(21, 34));
 122     verify(patternsInitializer).getPatternMatcher();
 123     verify(patternMatcher, times(1)).addPatternToExcludeLines(javaFile, lineRanges);
 124     verifyNoMoreInteractions(patternsInitializer);
 125   }
 126
 127   @Test
 128   public void shouldAddPatternToExcludeSeveralLineRanges() throws IOException {
 129     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-double-regexp-twice.txt"), UTF_8);
 130
 131     Set<LineRange> lineRanges = Sets.newHashSet();
 132     lineRanges.add(new LineRange(21, 25));
 133     lineRanges.add(new LineRange(29, 33));
 134     verify(patternsInitializer).getPatternMatcher();
 135     verify(patternMatcher, times(1)).addPatternToExcludeLines(javaFile, lineRanges);
 136     verifyNoMoreInteractions(patternsInitializer);
 137   }
 138
 139   @Test
 140   public void shouldAddPatternToExcludeLinesWithWrongOrder() throws IOException {
 141     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-double-regexp-wrong-order.txt"), UTF_8);
 142
 143     Set<LineRange> lineRanges = Sets.newHashSet();
 144     lineRanges.add(new LineRange(25, 35));
 145     verify(patternsInitializer).getPatternMatcher();
 146     verify(patternMatcher, times(1)).addPatternToExcludeLines(javaFile, lineRanges);
 147     verifyNoMoreInteractions(patternsInitializer);
 148   }
 149
 150   @Test
 151   public void shouldAddPatternToExcludeLinesWithMess() throws IOException {
 152     regexpScanner.scan(javaFile, TestUtils.getResource(getClass(), "file-with-double-regexp-mess.txt"), UTF_8);
 153
 154     Set<LineRange> lineRanges = Sets.newHashSet();
 155     lineRanges.add(new LineRange(21, 29));
 156     verify(patternsInitializer).getPatternMatcher();
 157     verify(patternMatcher, times(1)).addPatternToExcludeLines(javaFile, lineRanges);
 158     verifyNoMoreInteractions(patternsInitializer);
 159   }
 160
 161 }