implemented tests for MailConfig

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

de.srsoftware.oidc.datastore.file/src/test/java/de/srsoftware/oidc/datastore/file/FileStoreMailConfigTest.java

@@ -0,0 +1,29 @@
+/* © SRSoftware 2024 */
+package de.srsoftware.oidc.datastore.file;
+
+import static de.srsoftware.oidc.api.Constants.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+import de.srsoftware.oidc.api.MailConfig;
+import de.srsoftware.oidc.api.MailConfigTest;
+import java.io.File;
+import java.io.IOException;
+import java.util.UUID;
+import org.junit.jupiter.api.BeforeEach;
+
+public class FileStoreMailConfigTest extends MailConfigTest {
+	private MailConfig mailConfig;
+
+
+	@Override
+	protected MailConfig mailConfig() {
+		return mailConfig;
+	}
+
+	@BeforeEach
+	public void setup() throws IOException {
+		var storage = new File("/tmp/" + UUID.randomUUID());
+		if (storage.exists()) storage.delete();
+		mailConfig = new FileStore(storage, null);
+	}
+}