diff --git a/pom.xml b/pom.xml
index 3d77519..028a914 100644
--- a/pom.xml
+++ b/pom.xml
@@ -96,12 +96,6 @@
 			<version>1.2.3</version>
 		</dependency>
 
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<version>4.12</version>
-			<scope>test</scope>
-		</dependency>
 
 		<!-- Guava -->
 
@@ -173,6 +167,22 @@
 			<version>3.5.2</version>
 		</dependency>
 
+		<!-- Testing -->
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<version>1.4.197</version>
+			<scope>test</scope>
+		</dependency>
+
+
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
+
 	</dependencies>
 
 	<build>
diff --git a/src/main/java/io/rudin/minetest/tileserver/accessor/Coordinate.java b/src/main/java/io/rudin/minetest/tileserver/accessor/Coordinate.java
index e90b703..5b147ab 100644
--- a/src/main/java/io/rudin/minetest/tileserver/accessor/Coordinate.java
+++ b/src/main/java/io/rudin/minetest/tileserver/accessor/Coordinate.java
@@ -27,6 +27,15 @@ public class Coordinate {
 
     public final int x, y, z;
 
+    @Override
+    public String toString() {
+        return "Coordinate{" +
+                "x=" + x +
+                ", y=" + y +
+                ", z=" + z +
+                '}';
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;
diff --git a/src/main/java/io/rudin/minetest/tileserver/service/impl/BlocksRecordDatabaseService.java b/src/main/java/io/rudin/minetest/tileserver/service/impl/BlocksRecordDatabaseService.java
index d4042a3..23124a8 100644
--- a/src/main/java/io/rudin/minetest/tileserver/service/impl/BlocksRecordDatabaseService.java
+++ b/src/main/java/io/rudin/minetest/tileserver/service/impl/BlocksRecordDatabaseService.java
@@ -85,7 +85,7 @@ public class BlocksRecordDatabaseService
         return list;
     }
 
-    private File getLocalMapBlockFile(Coordinate coordinate){
+    public static File getLocalMapBlockFile(Coordinate coordinate){
         File mapblockDir = new File("mapblocks");
         if (!mapblockDir.isDirectory())
             mapblockDir.mkdir();
diff --git a/src/test/java/io/rudin/minetest/tileserver/BlocksRecordServiceTest.java b/src/test/java/io/rudin/minetest/tileserver/BlocksRecordServiceTest.java
new file mode 100644
index 0000000..6e2f124
--- /dev/null
+++ b/src/test/java/io/rudin/minetest/tileserver/BlocksRecordServiceTest.java
@@ -0,0 +1,26 @@
+package io.rudin.minetest.tileserver;
+
+import io.rudin.minetest.tileserver.accessor.Coordinate;
+import io.rudin.minetest.tileserver.base.TileServerTest;
+import io.rudin.minetest.tileserver.blockdb.tables.records.BlocksRecord;
+import io.rudin.minetest.tileserver.service.BlocksRecordService;
+import org.junit.Test;
+
+import javax.inject.Inject;
+import java.util.List;
+
+public class BlocksRecordServiceTest extends TileServerTest {
+
+    @Inject BlocksRecordService blocksRecordService;
+
+    @Test
+    public void test(){
+
+        List<BlocksRecord> stride = blocksRecordService.getTopDownYStride(0, 0, -1, 16);
+
+        for (BlocksRecord record: stride){
+            System.out.println(new Coordinate(record) + ":" + record.getData().length);
+        }
+
+    }
+}
diff --git a/src/test/java/io/rudin/minetest/tileserver/UnitTestValidation.java b/src/test/java/io/rudin/minetest/tileserver/UnitTestValidation.java
new file mode 100644
index 0000000..f8af0a4
--- /dev/null
+++ b/src/test/java/io/rudin/minetest/tileserver/UnitTestValidation.java
@@ -0,0 +1,10 @@
+package io.rudin.minetest.tileserver;
+
+import io.rudin.minetest.tileserver.base.TileServerTest;
+import org.junit.Test;
+
+public class UnitTestValidation extends TileServerTest {
+
+    @Test
+    public void validateTestSetup(){}
+}
diff --git a/src/test/java/io/rudin/minetest/tileserver/base/TileServerTest.java b/src/test/java/io/rudin/minetest/tileserver/base/TileServerTest.java
new file mode 100644
index 0000000..3707350
--- /dev/null
+++ b/src/test/java/io/rudin/minetest/tileserver/base/TileServerTest.java
@@ -0,0 +1,59 @@
+package io.rudin.minetest.tileserver.base;
+
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Key;
+import com.google.inject.Provider;
+import io.rudin.minetest.tileserver.DBMigration;
+import io.rudin.minetest.tileserver.config.TileServerConfig;
+import io.rudin.minetest.tileserver.module.ConfigModule;
+import io.rudin.minetest.tileserver.module.DBModule;
+import io.rudin.minetest.tileserver.module.ServiceModule;
+import io.rudin.minetest.tileserver.module.TestServiceModule;
+import io.rudin.minetest.tileserver.qualifier.MapDB;
+import org.aeonbits.owner.ConfigFactory;
+import org.junit.After;
+import org.junit.Before;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class TileServerTest {
+
+    @Before
+    public void init() throws SQLException {
+        Map<String, String> properties = new HashMap<>();
+        properties.put("minetest.db.url", "jdbc:h2:mem:tileserver");
+        properties.put("minetest.db.username", "sa");
+        properties.put("minetest.db.password", "");
+        properties.put("minetest.db.driver", "org.h2.Driver");
+
+        TileServerConfig cfg = ConfigFactory.create(TileServerConfig.class, properties);
+
+        injector = Guice.createInjector(
+                new ConfigModule(cfg),
+                new DBModule(cfg),
+                new TestServiceModule()
+        );
+
+        DataSource dataSource = injector.getInstance(Key.get(DataSource.class, MapDB.class));
+        try (Connection connection = dataSource.getConnection()){
+            connection.createStatement().execute("runscript from 'classpath:/minetest-db.sql'");
+        }
+
+        //does not work: create function plsql not available in h2
+        //injector.getInstance(DBMigration.class).migrate();
+
+        injector.injectMembers(this);
+    }
+
+    private Injector injector;
+
+    @After
+    public void after(){
+    }
+
+}
diff --git a/src/test/java/io/rudin/minetest/tileserver/module/TestServiceModule.java b/src/test/java/io/rudin/minetest/tileserver/module/TestServiceModule.java
new file mode 100644
index 0000000..1cf5d22
--- /dev/null
+++ b/src/test/java/io/rudin/minetest/tileserver/module/TestServiceModule.java
@@ -0,0 +1,34 @@
+package io.rudin.minetest.tileserver.module;
+
+import com.google.inject.AbstractModule;
+import io.rudin.minetest.tileserver.ColorTable;
+import io.rudin.minetest.tileserver.config.LayerConfig;
+import io.rudin.minetest.tileserver.config.TileServerConfig;
+import io.rudin.minetest.tileserver.provider.ColorTableProvider;
+import io.rudin.minetest.tileserver.provider.ExecutorProvider;
+import io.rudin.minetest.tileserver.provider.LayerConfigProvider;
+import io.rudin.minetest.tileserver.service.BlocksRecordLocalService;
+import io.rudin.minetest.tileserver.service.BlocksRecordService;
+import io.rudin.minetest.tileserver.service.EventBus;
+import io.rudin.minetest.tileserver.service.TileCache;
+import io.rudin.minetest.tileserver.service.impl.*;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.ScheduledExecutorService;
+
+public class TestServiceModule  extends AbstractModule {
+
+
+    @Override
+    protected void configure() {
+
+        bind(TileCache.class).to(FileTileCache.class);
+        bind(EventBus.class).to(EventBusImpl.class);
+        bind(ColorTable.class).toProvider(ColorTableProvider.class);
+        bind(ExecutorService.class).toProvider(ExecutorProvider.class);
+        bind(ScheduledExecutorService.class).toProvider(ExecutorProvider.class);
+        bind(LayerConfig.class).toProvider(LayerConfigProvider.class);
+
+        bind(BlocksRecordService.class).to(BlocksRecordLocalService.class);
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/io/rudin/minetest/tileserver/service/BlocksRecordLocalService.java b/src/test/java/io/rudin/minetest/tileserver/service/BlocksRecordLocalService.java
new file mode 100644
index 0000000..a79e99b
--- /dev/null
+++ b/src/test/java/io/rudin/minetest/tileserver/service/BlocksRecordLocalService.java
@@ -0,0 +1,80 @@
+package io.rudin.minetest.tileserver.service;
+
+import io.rudin.minetest.tileserver.accessor.Coordinate;
+import io.rudin.minetest.tileserver.blockdb.tables.records.BlocksRecord;
+import io.rudin.minetest.tileserver.service.impl.BlocksRecordDatabaseService;
+import io.rudin.minetest.tileserver.util.StreamUtil;
+import sun.security.action.OpenFileInputStreamAction;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.util.*;
+
+public class BlocksRecordLocalService implements BlocksRecordService {
+
+    private final Map<Coordinate, BlocksRecord> cache = new HashMap<>();
+
+    @Override
+    public List<BlocksRecord> getTopDownYStride(int x, int z, int minY, int maxY) {
+
+        List<BlocksRecord> result = new ArrayList<>();
+
+        for (int y=minY; y<=maxY; y++){
+            Coordinate coordinate = new Coordinate(x, y, z);
+
+            Optional<BlocksRecord> optionalRecord = get(coordinate);
+            if (optionalRecord.isPresent())
+                result.add(optionalRecord.get());
+        }
+
+        result.sort(Comparator.comparingInt(BlocksRecord::getPosy));
+
+        return result;
+    }
+
+    public static File getLocalMapBlockFile(Coordinate coordinate){
+        File mapblockDir = new File("testdata/mapblocks");
+        if (!mapblockDir.isDirectory())
+            mapblockDir.mkdir();
+
+        return new File(mapblockDir, coordinate.x + "." + coordinate.y + "." + coordinate.z);
+    }
+
+    @Override
+    public Optional<BlocksRecord> get(Coordinate coords) {
+        BlocksRecord record = cache.get(coords);
+
+        if (record != null)
+            return Optional.of(record);
+
+        File file = getLocalMapBlockFile(coords);
+
+        if (!file.isFile())
+            return Optional.empty();
+
+        try (InputStream input = new FileInputStream(file)){
+            ByteArrayOutputStream output = new ByteArrayOutputStream();
+            StreamUtil.copyStream(input, output);
+
+            record = new BlocksRecord();
+            record.setData(output.toByteArray());
+            record.setMtime(file.lastModified());
+            record.setPosx(coords.x);
+            record.setPosy(coords.y);
+            record.setPosz(coords.z);
+            cache.put(coords, record);
+            return Optional.of(record);
+
+        } catch (Exception e){
+            throw new IllegalArgumentException(e);
+        }
+
+    }
+
+    @Override
+    public void update(BlocksRecord block) {
+        cache.put(new Coordinate(block), block);
+    }
+}
diff --git a/src/test/resources/logback-test.xml b/src/test/resources/logback-test.xml
index 15033a8..420af88 100644
--- a/src/test/resources/logback-test.xml
+++ b/src/test/resources/logback-test.xml
@@ -12,7 +12,6 @@
     <logger name="io.rudin.minetest.tileserver.TileRenderer" level="DEBUG"/>
 
     <root level="info">
-        <appender-ref ref="logfile" />
         <appender-ref ref="console" />
     </root>
 
diff --git a/src/test/resources/minetest-db.sql b/src/test/resources/minetest-db.sql
new file mode 100644
index 0000000..9e8c439
--- /dev/null
+++ b/src/test/resources/minetest-db.sql
@@ -0,0 +1,9 @@
+
+create table blocks(
+        posx int not null,
+        posy int not null,
+        posz int not null,
+        data bytea,
+
+        PRIMARY KEY(posx,posy,posz)
+);
\ No newline at end of file