feat: Implement execution step serializer

packages/backend/src/serializers/execution-step.test.js

@@ -0,0 +1,43 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import executionStepSerializer from './execution-step';
+import stepSerializer from './step';
+import { createExecutionStep } from '../../test/factories/execution-step';
+import { createStep } from '../../test/factories/step';
+
+describe('executionStepSerializer', () => {
+  let executionStep, step;
+
+  beforeEach(async () => {
+    step = await createStep();
+
+    executionStep = await createExecutionStep({
+      stepId: step.id,
+    });
+  });
+
+  it('should return the execution step data', async () => {
+    const expectedPayload = {
+      id: executionStep.id,
+      dataIn: executionStep.dataIn,
+      dataOut: executionStep.dataOut,
+      errorDetails: executionStep.errorDetails,
+      status: executionStep.status,
+      createdAt: executionStep.createdAt.getTime(),
+      updatedAt: executionStep.updatedAt.getTime(),
+    };
+
+    expect(executionStepSerializer(executionStep)).toEqual(expectedPayload);
+  });
+
+  it('should return the execution step data with the step', async () => {
+    executionStep.step = step;
+
+    const expectedPayload = {
+      step: stepSerializer(step),
+    };
+
+    expect(executionStepSerializer(executionStep)).toMatchObject(
+      expectedPayload
+    );
+  });
+});