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Set of tests to evaluate and compare the compatibility of different GraphQL gateways with Apollo Federation.

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Federation-Compatible Gateway Implementations

This repository contains a set of tests to evaluate and compare the compatibility of different GraphQL gateways with Apollo Federation.

🌐 See the results of our audit

📖 Read more about our methodology and why we created this audit

Gateway Compatibility Test Cases Test Suites
Hive Gateway 100.00% 🟢 171 🟢 41
Apollo Router 97.66% 🟢 167 ❌ 4 🟢 39 ❌ 2
Apollo Gateway 97.08% 🟢 166 ❌ 5 🟢 38 ❌ 3
Grafbase Gateway 74.85% 🟢 128 ❌ 43 🟢 29 ❌ 12
Cosmo Router 71.93% 🟢 123 ❌ 48 🟢 21 ❌ 20
Inigo Gateway 46.78% 🟢 80 ❌ 91 🟢 12 ❌ 29

See the full report

Apollo Federation Coverage

The tests are based on the Apollo Federation specification and cover the following directives:

  • @interfaceObject
  • @key
  • @external
  • @provides
  • @requires
  • @extends
  • @inaccessible
  • @shareable
  • @skip
  • @include
  • @composeDirective
  • @override

Out of scope (limited by Enterprise license of Apollo Router):

We are not able to test the following directives on Apollo Router due to the limitations of the Enterprise license:

  • @authenticated
  • @policy
  • @requiresScopes
  • @override(label:)

We plan to test these directives as soon as we have access to the Enterprise license.


CLI

TODO: we're working on a CLI to make it easier to run the tests, stay tuned!


Instructions

First of all, you need to install and prepare the gateways. You can do this by running the following command:

make install

Important

Be aware that Node and npm are required to run the whole setup.

Testing all gateways

You can run the tests for each gateway by running the following command:

make test-all

Testing a specific gateway

You can run the tests for a specific gateway by running the following command:

make test-[name of the gateway]

make test-grafbase-gateway
make test-cosmo-router
make test-hive-gateway
make test-apollo-router

Running a gateway for a single test suite

In case you want to run only a limited set of tests, you can do so by running the following command:

make test-suite-[name of the gateway] TEST_SUITE=[id of the test suite]

Running a gateway for a specific supergraph

There's also the possibility to start a gateway for a selected supergraph, in case you want to run the queries yourself.

make run-[name of the gateway] TEST_SUITE=[id of the test suite]

Contributing or adding a new gateway

See the contributing guide