added tests, preparing submission confirmation

src/test/java/de/srsoftware/widerhall/data/DatabaseTest.java

@@ -0,0 +1,57 @@
+package de.srsoftware.widerhall.data;
+
+import de.srsoftware.widerhall.Configuration;
+import junit.framework.TestCase;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.sql.SQLException;
+
+public class DatabaseTest extends TestCase {
+
+    private static final Logger LOG = LoggerFactory.getLogger(DatabaseTest.class);
+
+    public void setUp() throws Exception {
+        super.setUp();
+        File dbTemp = File.createTempFile("Widerhall",".sqlite");
+        Configuration.instance().dbFile(dbTemp);
+    }
+
+    public void tearDown() {
+        Configuration.instance().dbFile().delete();
+    }
+
+    public void testOpen() throws SQLException {
+        Database db = Database.open();
+        assertTrue(db.isOpen());
+        assertTrue(db.tableExists(User.TABLE_NAME));
+        assertTrue(db.tableExists(MailingList.TABLE_NAME));
+        assertTrue(db.tableExists(ListMember.TABLE_NAME));
+    }
+
+    public void testDeleteFrom(){
+        assertEquals("DELETE FROM Test ",Database.open().deleteFrom("Test").sql());
+    }
+
+    public void testInsertInto(){
+        assertEquals("INSERT INTO Test ",Database.open().insertInto("Test").sql());
+    }
+
+    public void testQuery() {
+        assertEquals("Test", Database.open().query(new StringBuilder("Test")).sql());
+    }
+
+    public void testSelect(){
+        assertEquals("SELECT * FROM Test",Database.open().select("Test").sql());
+        assertEquals("SELECT * FROM Test",Database.open().select("Test","*").sql());
+        assertEquals("SELECT Field FROM Test",Database.open().select("Test","Field").sql());
+        assertEquals("SELECT Field1, Field2, Field3 FROM Test",Database.open().select("Test","Field1","Field2","Field3").sql());
+    }
+
+    public void testUpdate(){
+        assertEquals("UPDATE Test",Database.open().update("Test").sql());
+        assertEquals("UPDATE Test SET x = 5",Database.open().update("Test","x = 5").sql());
+        assertEquals("UPDATE Test SET x = 5, y = 6",Database.open().update("Test","x = 5","y = 6").sql());
+    }
+}