SONAR-3139 Refactor our fork of PMD CPD

* Replace some code by our own implementation
* Remove unused
* Reformat to conform with our conventions

1 files changed, 62 insertions, 0 deletions

diff --git a/sonar-duplications/src/test/java/net/sourceforge/pmd/cpd/AbstractLanguageTest.java b/sonar-duplications/src/test/java/net/sourceforge/pmd/cpd/AbstractLanguageTest.java
new file mode 100644
index 00000000000..9a7b267033f
--- /dev/null
+++ b/sonar-duplications/src/test/java/net/sourceforge/pmd/cpd/AbstractLanguageTest.java
@@ -0,0 +1,62 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2008-2011 SonarSource
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package net.sourceforge.pmd.cpd;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.*;
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+
+import org.junit.Test;
+
+/**
+ * We use modified version of {@link AbstractLanguage} in comparison with PMD - it doesn't use package "net.sourceforge.pmd.util.filter",
+ * so goal of this test is to verify that behavior wasn't changed:
+ * filter should always accept directories and files with a specified set of extensions (comparison is case insensitive).
+ */
+public class AbstractLanguageTest {
+
+  @Test
+  public void shouldCreateCorrectFilenameFilterForExtensions() throws IOException {
+    AbstractLanguage language = new AbstractLanguage(null, "java") {
+    };
+
+    FilenameFilter filter = language.getFileFilter();
+    assertThat(filter.accept(new File("test-resources"), "org"), is(true));
+    assertThat(filter.accept(new File("test-resources/org/sonar/duplications/cpd/CPDTest"), "CPDFile1.java"), is(true));
+    assertThat(filter.accept(new File("test-resources/org/sonar/duplications/cpd/CPDTest"), "CPDFile1.cpp"), is(false));
+
+    language = new AbstractLanguage(null, "Java") {
+    };
+    assertThat(filter.accept(new File("test-resources/org/sonar/duplications/cpd/CPDTest"), "CPDFile1.java"), is(true));
+
+    language = new AbstractLanguage(null, new String[] {}) {
+    };
+    assertThat(filter.accept(new File("test-resources/org/sonar/duplications/cpd/CPDTest"), "CPDFile1.java"), is(true));
+  }
+
+  @Test(expected = NullPointerException.class)
+  public void shouldThrowException() {
+    new AbstractLanguage(null, null) {
+    };
+  }
+
+}