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8 changes: 8 additions & 0 deletions .github/workflows/ci.yml
Original file line number Diff line number Diff line change
Expand Up @@ -33,5 +33,13 @@ jobs:
- name: Test
run: ./mvnw test -P travis

- name: Upload coverage to Codecov
uses: codecov/codecov-action@v5
with:
token: ${{ secrets.CODECOV_TOKEN }}
files: flow-engine-framework/target/site/jacoco/jacoco.xml
fail_ci_if_error: true
verbose: true

- name: Install
run: ./mvnw install -P travis -DskipTests
2 changes: 2 additions & 0 deletions README.md
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@@ -1,5 +1,7 @@
[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/codingapi/flow-engine/blob/main/LICENSE)
[![Maven Central](https://img.shields.io/maven-central/v/com.codingapi.flow/flow-engine-starter.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22com.codingapi.flow%22%20AND%20a:%22flow-engine-starter%22)
[![Build](https://img.shields.io/github/actions/workflow/status/codingapi/flow-engine/ci.yml?label=Build&logo=github)](https://github.com/codingapi/flow-engine/actions)
[![Codecov](https://codecov.io/gh/codingapi/flow-engine/branch/main/graph/badge.svg)](https://codecov.io/gh/codingapi/flow-engine)
# Flow Engine

> 企业级流程引擎 - 可视化流程设计、动态表单配置、多节点类型流转
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package com.codingapi.flow.service;

import com.codingapi.flow.action.IFlowAction;
import com.codingapi.flow.action.actions.PassAction;
import com.codingapi.flow.action.actions.RejectAction;
import com.codingapi.flow.builder.FormFieldPermissionsBuilder;
import com.codingapi.flow.builder.NodeStrategyBuilder;
import com.codingapi.flow.context.GatewayContext;
import com.codingapi.flow.exception.FlowStateException;
import com.codingapi.flow.factory.MyFlowServiceFactory;
import com.codingapi.flow.form.DataType;
import com.codingapi.flow.form.FlowForm;
import com.codingapi.flow.form.FlowFormBuilder;
import com.codingapi.flow.form.permission.PermissionType;
import com.codingapi.flow.node.nodes.ApprovalNode;
import com.codingapi.flow.node.nodes.EndNode;
import com.codingapi.flow.node.nodes.StartNode;
import com.codingapi.flow.pojo.body.FlowAdviceBody;
import com.codingapi.flow.pojo.request.FlowActionRequest;
import com.codingapi.flow.pojo.request.FlowCreateRequest;
import com.codingapi.flow.record.FlowRecord;
import com.codingapi.flow.script.factory.FlowGroovyScriptFactory;
import com.codingapi.flow.strategy.node.FormFieldPermissionStrategy;
import com.codingapi.flow.strategy.node.OperatorLoadStrategy;
import com.codingapi.flow.user.User;
import com.codingapi.flow.workflow.Workflow;
import com.codingapi.flow.workflow.WorkflowBuilder;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import java.util.List;
import java.util.Map;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
* 拒绝(退回)动作场景测试
* <p>
* 覆盖 RejectAction 的 TERMINATE(终止流程)与其返回不存在的节点时抛出异常的路径:
* <ul>
* <li>拒绝动作返回 "TERMINATE" -> 流程被终止(结束)</li>
* <li>拒绝动作返回不存在的节点 id -> currentNodeNotNull 异常</li>
* </ul>
*/
class FlowRejectTerminateTest {

private final MyFlowServiceFactory factory = new MyFlowServiceFactory();

private final User user = new User(1, "user");
private final User boss = new User(2, "boss");

private static final String CODE = "reject";
private static final Map<String, Object> DATA = Map.of("name", "lorne", "days", 1, "reason", "leave");

@BeforeEach
void setUp() {
factory.userGateway.save(user);
factory.userGateway.save(boss);
GatewayContext.getInstance().setFlowOperatorGateway(factory.userGateway);
}

/**
* 拒绝动作返回 "TERMINATE" 时,流程终止到结束节点
*/
@Test
void reject_terminate_shouldFinishProcess() {
Workflow workflow = buildWorkflow("def run(request){return 'TERMINATE'}");
factory.workflowService.saveWorkflow(workflow);

FlowRecord startDone = submitStartToFirstApproval(workflow, user.getUserId());
FlowRecord bossTodo = factory.flowRecordRepository.findTodoByOperator(boss.getUserId()).stream()
.filter(record -> record.getProcessId().equals(startDone.getProcessId()))
.findFirst().orElseThrow();

// boss 拒绝 -> TERMINATE
reject(workflow, boss, bossTodo.getId());

// 流程终止:无剩余待办,全部记录进入终态
List<FlowRecord> records = factory.flowRecordRepository.findProcessRecords(startDone.getProcessId());
assertEquals(0, factory.flowRecordRepository.findTodoByOperator(boss.getUserId()).size());
assertTrue(records.stream().allMatch(FlowRecord::isFinish));
}

/**
* 拒绝动作返回不存在的节点 id,无法生成有效记录 -> currentNodeNotNull 异常
*/
@Test
void reject_returnNonexistentNode_shouldThrow() {
Workflow workflow = buildWorkflow("def run(request){return 'NOT_EXIST'}");
factory.workflowService.saveWorkflow(workflow);

FlowRecord startDone = submitStartToFirstApproval(workflow, user.getUserId());
FlowRecord bossTodo = factory.flowRecordRepository.findTodoByOperator(boss.getUserId()).stream()
.filter(record -> record.getProcessId().equals(startDone.getProcessId()))
.findFirst().orElseThrow();

assertThrows(FlowStateException.class, () -> reject(workflow, boss, bossTodo.getId()));
}

// ------------------ 私有助手 ------------------

private Workflow buildWorkflow(String rejectScript) {
RejectAction rejectAction = RejectAction.defaultAction();
rejectAction.setScript(FlowGroovyScriptFactory.createActionRejectScript(rejectScript).getKey());

StartNode startNode = StartNode.builder()
.strategies(NodeStrategyBuilder.builder().addStrategy(fieldPermission()).build())
.build();
ApprovalNode bNode = ApprovalNode.builder()
.strategies(NodeStrategyBuilder.builder()
.addStrategy(fieldPermission())
.addStrategy(new OperatorLoadStrategy(
FlowGroovyScriptFactory.createOperatorLoadScript("def run(request){return [" + boss.getUserId() + "]}").getKey()))
.build())
.actions(List.of(PassAction.defaultAction(), rejectAction))
.build();
return WorkflowBuilder.builder()
.title("拒绝流程").code(CODE).createdOperator(user).form(leaveForm())
.addNode(startNode).addNode(bNode).addNode(EndNode.builder().build())
.build();
}

private FormFieldPermissionStrategy fieldPermission() {
return new FormFieldPermissionStrategy(FormFieldPermissionsBuilder.builder()
.addPermission(CODE, "name", PermissionType.WRITE)
.addPermission(CODE, "days", PermissionType.WRITE)
.addPermission(CODE, "reason", PermissionType.WRITE)
.build());
}

private FlowForm leaveForm() {
return FlowFormBuilder.builder()
.name("请假流程").code(CODE)
.addField("请假人", "name", DataType.STRING)
.addField("请假天数", "days", DataType.INTEGER)
.addField("请假事由", "reason", DataType.STRING)
.build();
}

private FlowRecord submitStartToFirstApproval(Workflow workflow, long operatorId) {
StartNode startNode = (StartNode) workflow.getStartNode();
IFlowAction startAction = startNode.actionManager().getActions().get(0);
FlowCreateRequest createRequest = new FlowCreateRequest();
createRequest.setWorkCode(workflow.getCode());
createRequest.setFormData(DATA);
createRequest.setActionId(startAction.id());
createRequest.setOperatorId(operatorId);
long recordId = factory.flowService.create(createRequest);
FlowRecord startTodo = factory.flowRecordRepository.get(recordId);

FlowActionRequest actionRequest = new FlowActionRequest();
actionRequest.setFormData(DATA);
actionRequest.setRecordId(recordId);
actionRequest.setAdvice(new FlowAdviceBody(startAction.id(), "同意", operatorId));
factory.flowService.action(actionRequest);
return startTodo;
}

private void reject(Workflow workflow, User approver, long recordId) {
FlowRecord record = factory.flowRecordRepository.get(recordId);
IFlowAction rejectAction = workflow.getFlowNode(record.getNodeId()).actionManager().getActions().stream()
.filter(action -> action.type().equals("REJECT"))
.findFirst().orElseThrow();
FlowActionRequest actionRequest = new FlowActionRequest();
actionRequest.setFormData(DATA);
actionRequest.setRecordId(recordId);
actionRequest.setAdvice(new FlowAdviceBody(rejectAction.id(), "拒绝", approver.getUserId()));
factory.flowService.action(actionRequest);
}
}
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