dependabot-preview[bot] commented 5 years ago

Bumps mongodb from 3.1.13 to 3.2.4.

Release notes

*Sourced from [mongodb's releases](https://github.com/mongodb/node-mongodb-native/releases).* > ## v3.2.1 > The MongoDB Node.js team is pleased to announce version 3.2.1 of the driver. > > *Due to a publishing snafu v3.2.1 was immediately published without a proper v3.2.0 release* > >

Release Highlights

> >

2.x EOL

> With the v3.1.0 release we officially deprecated the 2.x driver. With this release that driver > is effectively EOL, and will no longer be supported. Please update your driver as soon as possible. > >

Unified Topology

> In this release we are very excited to announce the immediate availability of a complete rewrite of the driver's "topology" layer. This is the core brains of the driver responsible for things like server selection, server discovery and monitoring. This work combines the three existing topology concepts (`Mongos`, `ReplSet`, and `Server`) into a single type `Topology`. The new `Topology` type uses the same machinery to represent all three types, greatly improving our ability to maintain the code, and reducing the chance for bug duplication. > > The `Topology` class no longer uses a callback store, instead relying on a server selection loop for operation execution. This means failed operations will fail faster, with more accurate stack traces and specifics about the failure. It generally makes it much easier to reason about what the driver is doing each time an operation is executed. > > You can enable it with the `useUnifiedTopology` feature flag passed to your `MongoClient` constructor, like so: > ``` > const client = MongoClient('mongodb://localhost:27017', { useUnifiedTopology: true }); > ``` > > This topology layer will replace the existing topologies in a breaking 4.x release later this year, so we strongly encourage our users to try it out as soon as possible. > >

`withTransaction` helper

> Reliably committing a transaction in the face of errors can be a complicated endeavor using the MongoDB 4.0 drivers API. This version introduces a `withTransaction` helper method on the `ClientSession` object that allows application logic to be executed within a transaction. This method is capable of retrying either the commit operation or entire transaction as needed (and when the error permits) to better ensure that the transaction can complete successfully. Consider using this for all but the most complicated of transactions use cases. > > A call to `withTransaction` begins a new transaction, executes the provided function, and then attempts to commit the transaction. The function passed to `withTransaction` must take a `session` parameter, and this session must be passed to all methods within the function. If some error is encountered, it will attempt to re-commit the transaction before ultimately failing back to the user after aborting the transaction. > **NOTE:** A mentioned, the passed in function MAY be retried multiple times, please keep this in mind when executing non-database operations within the function. > > Here’s an example of it in action: > ``` > const client = new MongoClient(); > await client.connect(); > > const session = client.startSession(); > > // NOTE: the `withTransaction` method only supports functions that return a `Promise` > try { > await session.withTransaction(async function(session) { > const coll = client.db('foo').collection('coll'); > await coll.insertOne({ a: 42 }, { session }); > }); > } catch (err) { > // transaction failed after attempted retry > console.dir({ err }); > } > ``` > >

Cursors support asyncInterator and for..await..of loops

> `Symbol.asyncIterator` is defined on cursors for Node.js versions that support it (>=v10.x.x). This allows you to use for..await..of loops with cursors: > ... (truncated)

Changelog

*Sourced from [mongodb's changelog](https://github.com/mongodb/node-mongodb-native/blob/master/HISTORY.md).* > ## [3.2.4](https://github.com/mongodb/node-mongodb-native/compare/v3.2.2...v3.2.4) (2019-05-08) > > > ### Bug Fixes > > * **aggregation:** fix field name typo ([4235d04](https://github.com/mongodb/node-mongodb-native/commit/4235d04)) > * **async:** rewrote asyncGenerator in node < 10 syntax ([49c8cef](https://github.com/mongodb/node-mongodb-native/commit/49c8cef)) > * **BulkOp:** run unordered bulk ops in serial ([f548bd7](https://github.com/mongodb/node-mongodb-native/commit/f548bd7)) > * **bulkWrite:** fix issue with bulkWrite continuing w/ callback ([2a4a42c](https://github.com/mongodb/node-mongodb-native/commit/2a4a42c)) > * **docs:** correctly document that default for `sslValidate` is false ([1f8e7fa](https://github.com/mongodb/node-mongodb-native/commit/1f8e7fa)) > * **gridfs-stream:** honor chunk size ([9eeb114](https://github.com/mongodb/node-mongodb-native/commit/9eeb114)) > * **unified-topology:** only clone pool size if provided ([8dc2416](https://github.com/mongodb/node-mongodb-native/commit/8dc2416)) > > > ### Features > > * update to mongodb-core v3.2.3 ([1c5357a](https://github.com/mongodb/node-mongodb-native/commit/1c5357a)) > * **core:** update to mongodb-core v3.2.4 ([2059260](https://github.com/mongodb/node-mongodb-native/commit/2059260)) > * **lib:** implement executeOperationV2 ([67d4edf](https://github.com/mongodb/node-mongodb-native/commit/67d4edf)) > > > > > ## [3.2.3](https://github.com/mongodb/node-mongodb-native/compare/v3.2.2...v3.2.3) (2019-04-05) > > > ### Bug Fixes > > * **aggregation:** fix field name typo ([4235d04](https://github.com/mongodb/node-mongodb-native/commit/4235d04)) > * **async:** rewrote asyncGenerator in node < 10 syntax ([49c8cef](https://github.com/mongodb/node-mongodb-native/commit/49c8cef)) > * **bulkWrite:** fix issue with bulkWrite continuing w/ callback ([2a4a42c](https://github.com/mongodb/node-mongodb-native/commit/2a4a42c)) > * **docs:** correctly document that default for `sslValidate` is false ([1f8e7fa](https://github.com/mongodb/node-mongodb-native/commit/1f8e7fa)) > > > ### Features > > * update to mongodb-core v3.2.3 ([1c5357a](https://github.com/mongodb/node-mongodb-native/commit/1c5357a)) > > > > > ## [3.2.2](https://github.com/mongodb/node-mongodb-native/compare/v3.2.1...v3.2.2) (2019-03-22) > > > ### Bug Fixes > > * **asyncIterator:** stronger guard against importing async generator ([e0826fb](https://github.com/mongodb/node-mongodb-native/commit/e0826fb)) > > > ### Features > ... (truncated)

Commits

- [`1c17b80`](https://github.com/mongodb/node-mongodb-native/commit/1c17b805e9831f3c206276e45402438e46b6f443) chore(release): 3.2.4 - [`2059260`](https://github.com/mongodb/node-mongodb-native/commit/2059260a1e14cf862a5cae20e3130fa09b6849d9) feat(core): update to mongodb-core v3.2.4 - [`0afbbcc`](https://github.com/mongodb/node-mongodb-native/commit/0afbbccf1bd7d437610c33cbd5523f01bc6bc6e5) Update README.md - [`c600a4e`](https://github.com/mongodb/node-mongodb-native/commit/c600a4eb19aa9a64643d1072c5eab5360db63ec9) Update README.md - [`fa8d952`](https://github.com/mongodb/node-mongodb-native/commit/fa8d95279109725365fc6744eb57f691b7257401) test(changeStream): fixes flakey changeStream tests - [`1909e87`](https://github.com/mongodb/node-mongodb-native/commit/1909e873fd13eb0eb8f99d14cbc911b0b12a2a3d) test(transactions): updated transactions tests to use runOn - [`dd82d3c`](https://github.com/mongodb/node-mongodb-native/commit/dd82d3c0e61eb57dcf6984da4b54731ac4b3951e) test(insert): check results returned by toJSON - [`3e957c1`](https://github.com/mongodb/node-mongodb-native/commit/3e957c1b5f22a9d405a38c023975775b3f2f9e39) chore(travis): test unified topology in travis - [`a09a2c9`](https://github.com/mongodb/node-mongodb-native/commit/a09a2c90e8bdd15da9fba20051ac10ac15c31763) style: fix prettier warning - [`e62b1c7`](https://github.com/mongodb/node-mongodb-native/commit/e62b1c7de4efe28f23500fa522da4b2ee6b6d508) refactor: add private `_findAndModify()` function that bypasses deprecation w... - Additional commits viewable in [compare view](https://github.com/mongodb/node-mongodb-native/compare/v3.1.13...v3.2.4)

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codecov[bot] commented 5 years ago

Codecov Report

Merging #249 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #249   +/-   ##
=======================================
  Coverage   23.55%   23.55%           
=======================================
  Files          99       99           
  Lines        2165     2165           
=======================================
  Hits          510      510           
  Misses       1655     1655

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