Technical Debt: add unit test WildcardPatternFileProviderTest

cxx-sensors/src/test/java/org/sonar/cxx/sensors/tests/dotnet/WildcardPatternFileProviderTest.java

@@ -0,0 +1,203 @@
+/*
+ * Sonar C++ Plugin (Community)
+ * Copyright (C) 2010-2017 SonarOpenCommunity
+ * http://github.com/SonarOpenCommunity/sonar-cxx
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.cxx.sensors.tests.dotnet;
+//origin https://github.com/SonarSource/sonar-dotnet-tests-library/
+
+import com.google.common.base.Joiner;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.rules.TemporaryFolder;
+
+import java.io.File;
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class WildcardPatternFileProviderTest {
+
+  @Rule
+  public TemporaryFolder tmp = new TemporaryFolder();
+
+  @Rule
+  public ExpectedException thrown = ExpectedException.none();
+
+  @Before
+  public void init() throws Exception {
+    tmp.newFile("foo.txt");
+    tmp.newFile("bar.txt");
+
+    tmp.newFolder("a");
+    tmp.newFile(path("a", "foo.txt"));
+    tmp.newFolder("a", "a21");
+
+    tmp.newFolder("b");
+
+    tmp.newFolder("c");
+    tmp.newFolder("c", "c21");
+    tmp.newFile(path("c", "c21", "foo.txt"));
+    tmp.newFolder("c", "c22");
+    tmp.newFolder("c", "c22", "c31");
+    tmp.newFile(path("c", "c22", "c31", "foo.txt"));
+    tmp.newFile(path("c", "c22", "c31", "bar.txt"));
+  }
+
+  @Test
+  public void absolute_paths() {
+    assertThat(listFiles(new File(tmp.getRoot(), "foo.txt").getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"));
+
+    assertThat(listFiles(new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")).getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles(new File(tmp.getRoot(), "nonexisting.txt").getAbsolutePath())).isEmpty();
+  }
+
+  @Test
+  public void absolute_paths_with_current_and_parent_folder_access() {
+    assertThat(listFiles(new File(tmp.getRoot(), path("a", "..", ".", "foo.txt")).getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), path("a", "..", ".", "foo.txt")));
+
+    assertThat(listFiles(new File(tmp.getRoot(), path("a", "..", ".", "foo.txt")).getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), path("a", "..", ".", "foo.txt")));
+
+    assertThat(listFiles(new File(tmp.getRoot(), path("a", "..", ".", "foo.txt")).getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), path("a", "..", ".", "foo.txt")));
+  }
+
+  @Test
+  public void absolute_paths_with_wildcards() {
+    assertThat(listFiles(new File(tmp.getRoot(), "*.txt").getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"), new File(tmp.getRoot(), "bar.txt"));
+
+    assertThat(listFiles(new File(tmp.getRoot(), "f*").getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"));
+
+    assertThat(listFiles(new File(tmp.getRoot(), "fo?.txt").getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"));
+
+    assertThat(listFiles(new File(tmp.getRoot(), "foo?.txt").getAbsolutePath())).isEmpty();
+
+    assertThat(listFiles(new File(tmp.getRoot(), path("**", "foo.txt")).getAbsolutePath()))
+      .containsOnly(
+        new File(tmp.getRoot(), "foo.txt"),
+        new File(tmp.getRoot(), path("a", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c21", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles(new File(tmp.getRoot(), path("**", "c31", "foo.txt")).getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles(new File(tmp.getRoot(), path("**", "c?1", "foo.txt")).getAbsolutePath()))
+      .containsOnly(new File(tmp.getRoot(), path("c", "c21", "foo.txt")), new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles(new File(tmp.getRoot(), path("?", "**", "foo.txt")).getAbsolutePath()))
+      .containsOnly(
+        new File(tmp.getRoot(), path("a", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c21", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+  }
+
+  @Test
+  public void relative_paths() {
+    assertThat(listFiles("foo.txt", tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"));
+
+    assertThat(listFiles(path("c", "c22", "c31", "foo.txt"), tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles("nonexisting.txt", tmp.getRoot())).isEmpty();
+  }
+
+  @Test
+  public void relative_paths_with_current_and_parent_folder_access() {
+    assertThat(listFiles(path("..", "foo.txt"), new File(tmp.getRoot(), "a")))
+      .containsOnly(new File(new File(tmp.getRoot(), "a"), path("..", "foo.txt")));
+
+    assertThat(listFiles(path(".", "foo.txt"), tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), path(".", "foo.txt")));
+
+    assertThat(listFiles(path("a", "..", "foo.txt"), tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), path("a", "..", "foo.txt")));
+  }
+
+  @Test
+  public void relative_paths_with_wildcards() {
+    assertThat(listFiles("*.txt", tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"), new File(tmp.getRoot(), "bar.txt"));
+
+    assertThat(listFiles("f*", tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"));
+
+    assertThat(listFiles("fo?.txt", tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), "foo.txt"));
+
+    assertThat(listFiles("foo?.txt", tmp.getRoot())).isEmpty();
+
+    assertThat(listFiles(path("**", "foo.txt"), tmp.getRoot()))
+      .containsOnly(
+        new File(tmp.getRoot(), "foo.txt"),
+        new File(tmp.getRoot(), path("a", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c21", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles(path("**", "c31", "foo.txt"), tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles(path("**", "c?1", "foo.txt"), tmp.getRoot()))
+      .containsOnly(new File(tmp.getRoot(), path("c", "c21", "foo.txt")), new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+
+    assertThat(listFiles(path("?", "**", "foo.txt"), tmp.getRoot()))
+      .containsOnly(
+        new File(tmp.getRoot(), path("a", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c21", "foo.txt")),
+        new File(tmp.getRoot(), path("c", "c22", "c31", "foo.txt")));
+  }
+
+  @Test
+  public void should_fail_with_current_folder_access_after_wildcard() {
+    thrown.expect(IllegalArgumentException.class);
+    thrown.expectMessage("Cannot contain '.' or '..' after the first wildcard.");
+
+    listFiles(new File(tmp.getRoot(), path("?", ".", "foo.txt")).getAbsolutePath());
+  }
+
+  @Test
+  public void should_fail_with_parent_folder_access_after_wildcard() {
+    thrown.expect(IllegalArgumentException.class);
+    thrown.expectMessage("Cannot contain '.' or '..' after the first wildcard.");
+
+    listFiles(path("*", "..", "foo.txt"), tmp.getRoot());
+  }
+
+  private static String path(String... elements) {
+    return Joiner.on(File.separator).join(elements);
+  }
+
+  private static Set<File> listFiles(String pattern) {
+    return listFiles(pattern, null);
+  }
+
+  private static Set<File> listFiles(String pattern, File baseDir) {
+    return new WildcardPatternFileProvider(baseDir, File.separator).listFiles(pattern);
+  }
+
+}