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node/test/async-hooks/coverage.md

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test: adding tests for initHooks API Async wrap providers tested: - crypto.randomBytes - crypto.pbkdf2 - fs event wrap - fsreqwrap access - fsreqwrap readFile - getaddrinforeq wrap - getnameinforeq wrap - pipe connect wrap - query wrap - pipewrap - processwrap - shutdown wrap - tcpwrap - udpwrap - send wrap - detailed signal wrap - statwatcher - timerwrap via setTimeout - timerwrap via setInterval - for Immediate - http parser request - http parser response - connection via ssl server - tls wrap - write wrap - ttywrap via readstream - ttywrap via wriream - zctx via zlib binding deflate Embedder API: - async-event tests - one test looks at the happy paths - another ensures that in cases of events emitted in an order that doesn't make sense, the order is enforced by async hooks throwing a meaningful error - embedder enforcement tests are split up since async hook stack corruption now the process - therefore we launch a child and check for error output of the offending code Additional tests: - tests that show that we can enable/disable hooks inside their lifetime events - tests that verify the graph of resources triggering the creation of other resources Test Helpers: - init-hooks: - returns one collector instance - when created an async hook is created and the lifetime events are registered to call the appropriate collector functions - the collector also exposes `enable` and `disable` functions which call through to the async hook - hook checks: - checks invocations of life time hooks against the actual invocations that were collected - in some cases like `destroy` a min/max range of invocations can be supplied since in these cases the exact number is non-deterministic - verify graph: - verifies the triggerIds of specific async resources are as expected, i.e. the creation of resources was triggered by the resource we expect - includes a printGraph function to generate easily readable test input for verify graph - both functions prune TickObjects to create less brittle and easier to understand tests PR-URL: https://github.com/nodejs/node/pull/12892 Ref: https://github.com/nodejs/node/pull/11883 Ref: https://github.com/nodejs/node/pull/8531 Reviewed-By: Andreas Madsen <amwebdk@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
8 years ago
## AsyncHooks Coverage Overview
Showing which kind of async resource is covered by which test:
| Resource Type | Test |
|----------------------|----------------------------------------|
| CONNECTION | test-connection.ssl.js |
| FSEVENTWRAP | test-fseventwrap.js |
| FSREQWRAP | test-fsreqwrap-{access,readFile}.js |
| GETADDRINFOREQWRAP | test-getaddrinforeqwrap.js |
| GETNAMEINFOREQWRAP | test-getnameinforeqwrap.js |
| HTTPPARSER | test-httpparser.{request,response}.js |
| Immediate | test-immediate.js |
| JSSTREAM | TODO (crashes when accessing directly) |
| PBKDF2REQUEST | test-crypto-pbkdf2.js |
| PIPECONNECTWRAP | test-pipeconnectwrap.js |
| PIPEWRAP | test-pipewrap.js |
| PROCESSWRAP | test-pipewrap.js |
| QUERYWRAP | test-querywrap.js |
| RANDOMBYTESREQUEST | test-crypto-randomBytes.js |
| SHUTDOWNWRAP | test-shutdownwrap.js |
| SIGNALWRAP | test-signalwrap.js |
| STATWATCHER | test-statwatcher.js |
| TCPCONNECTWRAP | test-tcpwrap.js |
| TCPWRAP | test-tcpwrap.js |
| TIMERWRAP | test-timerwrap.set{Timeout,Interval}.js|
| TLSWRAP | test-tlswrap.js |
| TTYWRAP | test-ttywrap.{read,write}stream.js |
| UDPSENDWRAP | test-udpsendwrap.js |
| UDPWRAP | test-udpwrap.js |
| WRITEWRAP | test-writewrap.js |
| ZLIB | test-zlib.zlib-binding.deflate.js |