medusa-store/integration-tests/modules/__tests__/workflow-engine/tests.ts

import {
  createStep,
  createWorkflow,
  StepResponse,
  WorkflowData,
} from "@medusajs/workflows-sdk"
import { createAdminUser } from "../../../helpers/create-admin-user"
import { medusaIntegrationTestRunner } from "medusa-test-utils"

export const workflowEngineTestSuite = (
  env,
  extraParams: { force_modules_migration?: boolean } = {}
) => {
  const adminHeaders = {
    headers: {
      "x-medusa-access-token": "test_token",
    },
  }

  return medusaIntegrationTestRunner({
    env,
    force_modules_migration: extraParams.force_modules_migration,
    testSuite: ({ dbConnection, getContainer, api }) => {
      describe("Workflow Engine API", () => {
        let medusaContainer

        beforeAll(() => {
          medusaContainer = getContainer()
        })

        beforeEach(async () => {
          await createAdminUser(dbConnection, adminHeaders, medusaContainer)
        })

        describe("running workflows", () => {
          beforeAll(async () => {
            const step1 = createStep(
              {
                name: "my-step",
              },
              async (input: { initial: string }) => {
                return new StepResponse({
                  result: input.initial,
                })
              }
            )
            const step2 = createStep(
              {
                name: "my-step-async",
                async: true,
              },
              async () => {}
            )

            createWorkflow(
              {
                name: "my-workflow-name",
                retentionTime: 1000,
              },
              function (input: WorkflowData<{ initial: string }>) {
                step1(input)
                return step2()
              }
            )
          })

          it("Should list all workflows in execution or completed and retrieve them by id", async () => {
            for (let i = 3; i--; ) {
              await api.post(
                `/admin/workflows-executions/my-workflow-name/run`,
                {
                  input: {
                    initial: "abc",
                  },
                },
                adminHeaders
              )
            }

            const executions = await api.get(
              `/admin/workflows-executions`,
              adminHeaders
            )

            expect(executions.data.count).toEqual(3)
            expect(executions.data.workflow_executions.length).toEqual(3)
            expect(executions.data.workflow_executions[0]).toEqual({
              workflow_id: "my-workflow-name",
              transaction_id: expect.any(String),
              id: expect.any(String),
              state: "invoking",
              created_at: expect.any(String),
              updated_at: expect.any(String),
              deleted_at: null,
            })

            const retrivedById = await api.get(
              `/admin/workflows-executions/` +
                executions.data.workflow_executions[0].id,
              adminHeaders
            )
            expect(retrivedById.data.workflow_execution).toEqual(
              expect.objectContaining(executions.data.workflow_executions[0])
            )
          })

          it("Should list all workflows matching the filters", async () => {
            for (let i = 3; i--; ) {
              await api.post(
                `/admin/workflows-executions/my-workflow-name/run`,
                {
                  input: {
                    initial: "abc",
                  },
                  transaction_id: "transaction_" + (i + 1),
                },
                adminHeaders
              )
            }

            const executions = await api.get(
              `/admin/workflows-executions?transaction_id[]=transaction_1&transaction_id[]=transaction_2`,
              adminHeaders
            )

            expect(executions.data.count).toEqual(2)
            expect(executions.data.workflow_executions.length).toEqual(2)
            expect(executions.data.workflow_executions[0]).toEqual({
              workflow_id: "my-workflow-name",
              transaction_id: expect.stringMatching(
                /transaction_1|transaction_2/
              ),
              id: expect.any(String),
              state: "invoking",
              created_at: expect.any(String),
              updated_at: expect.any(String),
              deleted_at: null,
            })
            expect(executions.data.workflow_executions[1]).toEqual({
              workflow_id: "my-workflow-name",
              transaction_id: expect.stringMatching(
                /transaction_1|transaction_2/
              ),
              id: expect.any(String),
              state: "invoking",
              created_at: expect.any(String),
              updated_at: expect.any(String),
              deleted_at: null,
            })
          })

          it("Should execute a workflow and retrieve its execution while running and when it is completed", async () => {
            const wf = await api.post(
              `/admin/workflows-executions/my-workflow-name/run`,
              {
                input: {
                  initial: "abc",
                },
                transaction_id: "trx_123",
              },
              adminHeaders
            )

            expect(wf.data).toEqual({
              acknowledgement: {
                transactionId: "trx_123",
                workflowId: "my-workflow-name",
              },
            })

            const execution = await api.get(
              `/admin/workflows-executions/my-workflow-name/trx_123`,
              adminHeaders
            )

            expect(execution.data).toEqual({
              workflow_execution: expect.objectContaining({
                workflow_id: "my-workflow-name",
                transaction_id: "trx_123",
                id: expect.any(String),
                state: "invoking",
                execution: expect.objectContaining({
                  hasAsyncSteps: true,
                  hasFailedSteps: false,
                  hasSkippedSteps: false,
                  hasWaitingSteps: false,
                  hasRevertedSteps: false,
                }),
                context: expect.objectContaining({
                  data: expect.objectContaining({
                    invoke: {
                      "my-step": {
                        __type: "Symbol(WorkflowWorkflowData)",
                        output: {
                          __type: "Symbol(WorkflowStepResponse)",
                          output: {
                            result: "abc",
                          },
                          compensateInput: {
                            result: "abc",
                          },
                        },
                      },
                    },
                    payload: {
                      initial: "abc",
                    },
                  }),
                }),
              }),
            })

            const respondAsync = await api.post(
              `/admin/workflows-executions/my-workflow-name/steps/success`,
              {
                transaction_id: "trx_123",
                step_id: "my-step-async",
                response: {
                  all: "good",
                },
              },
              adminHeaders
            )

            expect(respondAsync.data.success).toEqual(true)

            const completed = await api.get(
              `/admin/workflows-executions/my-workflow-name/trx_123`,
              adminHeaders
            )

            expect(completed.data).toEqual({
              workflow_execution: expect.objectContaining({
                workflow_id: "my-workflow-name",
                transaction_id: "trx_123",
                state: "done",
                context: expect.objectContaining({
                  data: expect.objectContaining({
                    invoke: expect.objectContaining({
                      "my-step-async": {
                        __type: "Symbol(WorkflowStepResponse)",
                        output: {
                          all: "good",
                        },
                        compensateInput: {
                          all: "good",
                        },
                      },
                    }),
                  }),
                }),
              }),
            })
          })
        })
      })
    },
  })
}

describe("Noop test", () => {
  it("noop check", async () => {
    expect(true).toBe(true)
  })
})