[V1] Object at path ... is not a service constructor when a rename transform provided

[iamchanii]

Issue workflow progress

Progress of the issue based on the
Contributor Workflow

• 1. The issue provides a reproduction available on
  Github,
  Stackblitz
  or
  CodeSandbox

Make sure to fork this template and run yarn generate in the terminal.

Please make sure Mesh package versions under package.json matches yours.

• 2. A failing test has been provided
• 3. A local solution has been provided
• 4. A pull request is pending review

---

Describe the bug

In the grpc-multiple e2e example, trying to add a new rename transform (e.g. pets_PetService_GetAllPets → GetAllPets) and executing the query operation will fail with the message Object at path ... is not a service constructor.

[2025-01-03T14:34:03.183Z] ERROR  Error: Object at path petstore.PetStoreService is not a Service constructor
    at DisposableStack.getServiceClient (file://packages/transports/grpc/dist/esm/index.js:68:23)
    at DisposableStack.processDirectives (file://packages/transports/grpc/dist/esm/index.js:167:53)
    at file://packages/transports/grpc/dist/esm/index.js:211:23
    at mapMaybePromise (file://node_modules/@graphql-tools/utils/esm/map-maybe-promise.js:22:12)
    at getSubgraphExecutor (file://packages/transports/grpc/dist/esm/index.js:210:16)
    at file://node_modules/@graphql-mesh/fusion-runtime/dist/index.js:75:14 {
  path: [ 'GetAllPets' ],
  locations: [ { line: 3, column: 9 } ],
  extensions: [Object: null prototype] {}
}
[2025-01-03T14:34:03.191Z] ERROR  Error: Object at path pets.PetService is not a Service constructor
    at DisposableStack.getServiceClient (file://packages/transports/grpc/dist/esm/index.js:68:23)
    at DisposableStack.processDirectives (file://packages/transports/grpc/dist/esm/index.js:167:53)
    at file://packages/transports/grpc/dist/esm/index.js:211:23
    at mapMaybePromise (file://node_modules/@graphql-tools/utils/esm/map-maybe-promise.js:22:12)
    at getSubgraphExecutor (file://packages/transports/grpc/dist/esm/index.js:210:16)
    at file://node_modules/@graphql-mesh/fusion-runtime/dist/index.js:75:14 {
  path: [ 'GetAllPetStores' ],
  locations: [ { line: 3, column: 9 } ],
  extensions: [Object: null prototype] {}
}

To Reproduce Steps to reproduce the behavior:

Check out the branch and commit to issue replication and follow the instructions below:

• $ yarn install and $ yarn build
• Run grpc-multiple e2e tests via $ JEST=1 E2E_TEST=true yarn jest grpc-multiple

Expected behavior

Expect to run successfully

Environment:

• OS: MacOS Sonoma 14.5
• @omnigraph/grpc: 0.2.0
• NodeJS: 22

Additional context

[ardatan]

Thanks for the details!
Would you create a PR with a failing test?

[iamchanii]

@ardatan Sure! #8226

[ardatan]

Thanks for the PR!
The fix is available in the latest versions! Thanks!