| 47 | const backend: KernelBackend = engine().findBackend('cpu'); |
| 48 | const proxyBackend = new Proxy(asyncBackend, { |
| 49 | get(target, name, receiver) { |
| 50 | if (name === 'readSync') { |
| 51 | throw new Error( |
| 52 | `Found dataSync() in a unit test. This is disabled so unit tests ` + |
| 53 | `can run in backends that only support async data. Please use ` + |
| 54 | `.data() in unit tests or if you truly are testing dataSync(), ` + |
| 55 | `constrain your test with SYNC_BACKEND_ENVS`); |
| 56 | } |
| 57 | //@ts-ignore; |
| 58 | const origSymbol = backend[name]; |
| 59 | if (typeof origSymbol === 'function') { |
| 60 | // tslint:disable-next-line:no-any |
| 61 | return (...args: any[]) => { |
| 62 | return origSymbol.apply(backend, args); |
| 63 | }; |
| 64 | } else { |
| 65 | return origSymbol; |
| 66 | } |
| 67 | } |
| 68 | }); |
| 69 | |
| 70 | const proxyBackendName = 'test-async-cpu'; |