chore: implemented zod parsing in test

Signed-off-by: blam <ben@blam.sh>

plugins/scaffolder-backend/src/scaffolder/tasks/NunjucksWorkflowRunner.test.ts

@@ -175,7 +175,7 @@ describe('DefaultWorkflowRunner', () => {
       });
 
       await expect(runner.execute(task)).rejects.toThrow(
-        /Invalid input passed to action jest-validated-action, instance requires property \"foo\"/,
+        /Invalid input passed to action jest-zod-validated-action, instance requires property \"foo\"/,
       );
     });
 

plugins/scaffolder-backend/src/scaffolder/tasks/NunjucksWorkflowRunner.ts

@@ -25,6 +25,7 @@ import { InputError } from '@backstage/errors';
 import { PassThrough } from 'stream';
 import { generateExampleOutput, isTruthy } from './helper';
 import { validate as validateJsonSchema } from 'jsonschema';
+import zodToJsonSchema from 'zod-to-json-schema';
 import { parseRepoUrl } from '../actions/builtin/publish/util';
 import { TemplateActionRegistry } from '../actions';
 import {
@@ -41,6 +42,7 @@ import {
 import { TemplateAction } from '@backstage/plugin-scaffolder-node';
 import { UserEntity } from '@backstage/catalog-model';
 import { createCounterMetric, createHistogramMetric } from '../../util/metrics';
+import { z } from 'zod';
 
 type NunjucksWorkflowRunnerOptions = {
   workingDirectory: string;
@@ -286,10 +288,12 @@ export class NunjucksWorkflowRunner implements WorkflowRunner {
             {};
 
           if (action.schema?.input) {
-            const validateResult = validateJsonSchema(
-              input,
-              action.schema.input,
-            );
+            const inputSchema =
+              action.schema.input instanceof z.ZodSchema
+                ? zodToJsonSchema(action.schema.input)
+                : action.schema.input;
+
+            const validateResult = validateJsonSchema(input, inputSchema);
             if (!validateResult.valid) {
               const errors = validateResult.errors.join(', ');
               throw new InputError(