单元测试提交

liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/nullParam/NullParamTest.java

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+package com.yomahub.liteflow.test.nullParam;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * 单元测试:传递null param导致NPE的优化代码
+ *
+ * @Author LeoLee
+ * @Date 2021/12/9 16:58
+ * @Version 1.0
+ */
+@RunWith(SpringRunner.class)
+@TestPropertySource(value = "classpath:/nullParam/application.properties")
+@SpringBootTest(classes = NullParamTest.class)
+@EnableAutoConfiguration
+@ComponentScan({"com.yomahub.liteflow.test.nullParam.cmp"})
+public class NullParamTest {
+
+    @Autowired
+    private FlowExecutor flowExecutor;
+
+    /**
+     * 支持无参的flow执行，以及param 为null时的异常抛出
+     * @Author LeoLee
+     * @Date 17:25 2021/12/9
+     */
+    @Test
+    public void testNullParam() throws Exception {
+        //flowExecutor.execute("chain1", null);//NullParamException: data slot can't accept null param
+        flowExecutor.execute("chain1");
+        //flowExecutor.execute2Resp("chain1", null);//NullParamException: data slot can't accept null param
+        flowExecutor.execute2Resp("chain1");
+    }
+
+}

liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/nullParam/cmp/ACmp.java

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+/**
+ * <p>Title: liteflow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2020/4/1
+ */
+package com.yomahub.liteflow.test.nullParam.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("a")
+public class ACmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("ACmp executed!");
+		System.out.println("get request data:" + this.getSlot().getRequestData());
+		this.getSlot().setInput("BCmp", "param for BCmp");
+	}
+}

liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/nullParam/cmp/BCmp.java

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+/**
+ * <p>Title: liteflow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2020/4/1
+ */
+package com.yomahub.liteflow.test.nullParam.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("b")
+public class BCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("BCmp executed!");
+		System.out.println("BCmp param:" + this.getSlot().getInput("BCmp"));
+		this.getSlot().setOutput("CCmp", "param for CCmp");
+	}
+
+}

liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/nullParam/cmp/CCmp.java

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+/**
+ * <p>Title: liteflow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2020/4/1
+ */
+package com.yomahub.liteflow.test.nullParam.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("c")
+public class CCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("CCmp executed!");
+		System.out.println("CCmp param:" + this.getSlot().getOutput("CCmp"));
+	}
+
+}

liteflow-testcase-springboot/src/test/resources/nullParam/application.properties

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+liteflow.rule-source=nullParam/flow.xml
+liteflow.print-banner=true

liteflow-testcase-springboot/src/test/resources/nullParam/flow.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <chain name="chain1">
+        <!--同步执行-->
+        <then value="a,b"/>
+        <when value="c"/>
+    </chain>
+</flow>