Fix quality flaws

diff --git a/server/sonar-process/src/test/java/org/sonar/process/es/EsYmlSettingsTest.java b/server/sonar-process/src/test/java/org/sonar/process/es/EsYmlSettingsTest.java
new file mode 100644 (file)
index 0000000..0fd6dc8
--- /dev/null
+++ b/server/sonar-process/src/test/java/org/sonar/process/es/EsYmlSettingsTest.java
@@ -0,0 +1,62 @@
+package org.sonar.process.es;/*
+ * SonarQube
+ * Copyright (C) 2009-2017 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * 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.
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.rules.TemporaryFolder;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class EsYmlSettingsTest {
+
+  @Rule
+  public TemporaryFolder folder= new TemporaryFolder();
+  @Rule
+  public ExpectedException expectedException = ExpectedException.none();
+
+  @Test
+  public void test_generation_of_file() throws IOException {
+    File yamlFile = folder.newFile();
+    new EsYmlSettings(new HashMap<>()).writeToYmlSettingsFile(yamlFile);
+
+    assertThat(yamlFile).exists();
+    assertThat(yamlFile).hasContent("# This file has been automatically generated by SonarQube during startup.\n" +
+      "\n" +
+      "# DO NOT EDIT THIS FILE\n" +
+      "\n" +
+      "{\n" +
+      "  }");
+  }
+
+  @Test
+  public void if_file_is_not_writable_ISE_must_be_thrown() throws IOException {
+    File yamlFile = folder.newFile();
+    yamlFile.setReadOnly();
+
+    expectedException.expect(IllegalStateException.class);
+    expectedException.expectMessage("Cannot write Elasticsearch yml settings file");
+
+    new EsYmlSettings(new HashMap<>()).writeToYmlSettingsFile(yamlFile);
+  }
+}