TEST: Fixes #23, a failing test when no usersources.ini exists.

src/test/java/caosdb/server/resource/TestAbstractCaosDBServerResource.java

@@ -5,10 +5,13 @@ import static org.junit.Assert.assertNotNull;
 
 import caosdb.server.CaosDBException;
 import caosdb.server.CaosDBServer;
+import caosdb.server.ServerProperties;
 import caosdb.server.accessControl.AnonymousAuthenticationToken;
 import caosdb.server.accessControl.AnonymousRealm;
 import caosdb.server.database.backend.implementation.MySQL.ConnectionException;
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.security.NoSuchAlgorithmException;
 import java.sql.SQLException;
 import org.apache.shiro.mgt.DefaultSecurityManager;
@@ -16,19 +19,23 @@ import org.apache.shiro.subject.Subject;
 import org.apache.shiro.subject.support.DelegatingSubject;
 import org.jdom2.Element;
 import org.junit.BeforeClass;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
 import org.restlet.data.Reference;
 import org.restlet.representation.Representation;
 
 public class TestAbstractCaosDBServerResource {
 
+  @Rule public TemporaryFolder tempFolder = new TemporaryFolder();
+
   @BeforeClass
   public static void initServerProperties() throws IOException {
     CaosDBServer.initServerProperties();
   }
 
   @Test
-  public void testReponseRootElement() {
+  public void testReponseRootElement() throws IOException {
     final Subject user = new DelegatingSubject(new DefaultSecurityManager(new AnonymousRealm()));
     user.login(AnonymousAuthenticationToken.getInstance());
     AbstractCaosDBServerResource s =
@@ -68,6 +75,7 @@ public class TestAbstractCaosDBServerResource {
             return user;
           }
         };
+    provideUserSourcesFile();
     Element response = s.generateRootElement();
     assertNotNull(response);
     assertEquals("TEST-SRID", response.getAttribute("srid").getValue());
@@ -77,4 +85,28 @@ public class TestAbstractCaosDBServerResource {
     Element userInfo = response.getChild("UserInfo");
     assertNotNull(userInfo);
   }
+
+  /**
+   * Creates a dummy usersources.ini and injects it into the server properties.
+   */
+  private void provideUserSourcesFile() throws IOException {
+    String usersourcesFileName = tempFolder.newFile("usersources.ini").getAbsolutePath();
+    String usersourcesContent =
+        "realms = PAM\n"
+            + "defaultRealm = PAM\n"
+            + "\n"
+            + "[PAM]\n"
+            + "class = caosdb.server.accessControl.Pam\n"
+            + "default_status = ACTIVE\n"
+            + "include.user = admin\n"
+            + ";include.group = [uncomment and put your groups here]\n"
+            + ";exclude.user = [uncomment and put excluded users here]\n"
+            + ";exclude.group = [uncomment and put excluded groups here]\n"
+            + "\n"
+            + ";it is necessary to add at least one admin\n"
+            + "user.admin.roles = administration";
+
+    Files.write(Paths.get(usersourcesFileName), usersourcesContent.getBytes());
+    CaosDBServer.setProperty(ServerProperties.KEY_USER_SOURCES_INI_FILE, usersourcesFileName);
+  }
 }