content: /*
   * Copyright 2024-2025 the original author or authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.cloud.ai.graph.checkpoint;
  
  import com.alibaba.cloud.ai.graph.OverAllState;
  import com.alibaba.cloud.ai.graph.RunnableConfig;
  import com.alibaba.cloud.ai.graph.checkpoint.savers.FileSystemSaver;
  import com.alibaba.cloud.ai.graph.serializer.std.ObjectStreamStateSerializer;
  
  import java.nio.file.Files;
  import java.nio.file.Path;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Tests for {@link FileSystemSaver#deleteFile(RunnableConfig)}.
   */
  public class FileSystemSaverDeleteFileTest {
  
  	@Test
  	public void deleteFileShouldRemoveExistingCheckpoint() throws Exception {
  		Path root = Files.createTempDirectory("checkpoint");
  		FileSystemSaver saver = new FileSystemSaver(root, new ObjectStreamStateSerializer(OverAllState::new));
  		RunnableConfig config = RunnableConfig.builder().threadId("t1").build();
  
  		Path checkpointFile = root.resolve("thread-t1.saver");
  		Files.createFile(checkpointFile);
  
  		assertTrue(Files.exists(checkpointFile));
  		assertTrue(saver.deleteFile(config));
  		assertFalse(Files.exists(checkpointFile));
  		assertFalse(saver.deleteFile(config));
  	}
  
  }
  