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;
  
  import com.alibaba.cloud.ai.graph.state.strategy.ReplaceStrategy;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.junit.jupiter.api.Test;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  class OverAllStateBuilderTest {
  
  	@Test
  	void testBuildWithMinimalConfiguration_shouldApplyDefaultInputKey() {
  		// Arrange & Act
  		OverAllState state = OverAllStateBuilder.builder().build();
  
  		// Assert
  		assertThat(state).isNotNull();
  		assertThat(state.data()).isEmpty(); // No data added
  		assertThat(state.containStrategy(OverAllState.DEFAULT_INPUT_KEY)).isTrue();
  		assertThat(state.value("input", String.class)).isEmpty();
  	}
  
  	@Test
  	void testBuildWithDataAndStrategy_shouldPreserveValues() {
  		// Arrange
  		Map<String, Object> data = new HashMap<>();
  		data.put("input", "Hello World");
  		data.put("count", 1);
  
  		// Act
  		OverAllState state = OverAllStateBuilder.builder()
  			.withData(data)
  			.withKeyStrategy("input", new ReplaceStrategy())
  			.setResume(true)
  			.build();
  
  		// Assert
  		assertThat(state).isNotNull();
  		assertThat(state.data()).containsEntry("input", "Hello World").containsEntry("count", 1);
  		assertThat(state.isResume()).isTrue();
  		assertThat(state.containStrategy("input")).isTrue();
  		assertThat(state.value("input", String.class)).hasValue("Hello World");
  	}
  
  	@Test
  	void testBuildWithCustomStrategyMap_shouldApplyAllStrategies() {
  		// Arrange
  		Map<String, KeyStrategy> strategies = new HashMap<>();
  		strategies.put("input", new ReplaceStrategy());
  		strategies.put("metadata", (oldVal, newVal) -> newVal + "-merged");
  
  		Map<String, Object> data = Map.of("input", "initial", "metadata", "meta");
  
  		// Act
  		OverAllState state = OverAllStateBuilder.builder().withData(data).withKeyStrategies(strategies).build();
  
  		// Apply update
  		Map<String, Object> update = Map.of("input", "new input", "metadata", "new meta");
  		state.updateState(update);
  
  		// Assert
  		assertThat(state.value("input", String.class)).hasValue("new input");
  		assertThat(state.value("metadata", String.class)).hasValue("new meta-merged");
  	}
  
  	@Test
  	void testBuildWithoutExplicitInputStrategy_shouldAutoRegisterReplaceStrategy() {
  		// Act
  		OverAllState state = OverAllStateBuilder.builder().putData("otherKey", "value").build();
  
  		// Assert
  		assertThat(state.containStrategy(OverAllState.DEFAULT_INPUT_KEY)).isTrue();
  		assertThat(state.value("otherKey", String.class)).hasValue("value");
  
  		// Test that default REPLACE strategy works at runtime
  		Map<String, Object> updates = Map.of("otherKey", "newValue");
  		state.updateState(updates);
  		assertThat(state.value("otherKey", String.class)).hasValue("newValue");
  	}
  
  	@Test
  	void testBuildWithResumeFlag_shouldSetResumeCorrectly() {
  		// Act
  		OverAllState state = OverAllStateBuilder.builder().setResume(true).build();
  
  		// Assert
  		assertThat(state.isResume()).isTrue();
  	}
  
  }
  