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refactor(connection): move listDatabases implementation to node-mongodb-native driver #14515

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Merged
merged 1 commit into from
Apr 10, 2024
Merged

refactor(connection): move listDatabases implementation to node-mongodb-native driver #14515

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48 changes: 19 additions & 29 deletions lib/connection.js
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Original file line number Diff line number Diff line change
Expand Up @@ -398,11 +398,7 @@ Connection.prototype.createCollection = async function createCollection(collecti
throw new MongooseError('Connection.prototype.createCollection() no longer accepts a callback');
}

if ((this.readyState === STATES.connecting || this.readyState === STATES.disconnected) && this._shouldBufferCommands()) {
await new Promise(resolve => {
this._queue.push({ fn: resolve });
});
}
await this._waitForConnect();

return this.db.createCollection(collection, options);
};
Expand Down Expand Up @@ -494,11 +490,7 @@ Connection.prototype.startSession = async function startSession(options) {
throw new MongooseError('Connection.prototype.startSession() no longer accepts a callback');
}

if ((this.readyState === STATES.connecting || this.readyState === STATES.disconnected) && this._shouldBufferCommands()) {
await new Promise(resolve => {
this._queue.push({ fn: resolve });
});
}
await this._waitForConnect();

const session = this.client.startSession(options);
return session;
Expand Down Expand Up @@ -618,13 +610,24 @@ Connection.prototype.dropCollection = async function dropCollection(collection)
throw new MongooseError('Connection.prototype.dropCollection() no longer accepts a callback');
}

await this._waitForConnect();

return this.db.dropCollection(collection);
};

/**
* Waits for connection to be established, so the connection has a `client`
*
* @return Promise
* @api private
*/

Connection.prototype._waitForConnect = async function _waitForConnect() {
if ((this.readyState === STATES.connecting || this.readyState === STATES.disconnected) && this._shouldBufferCommands()) {
await new Promise(resolve => {
this._queue.push({ fn: resolve });
});
}

return this.db.dropCollection(collection);
};

/**
Expand All @@ -637,11 +640,7 @@ Connection.prototype.dropCollection = async function dropCollection(collection)
*/

Connection.prototype.listCollections = async function listCollections() {
if ((this.readyState === STATES.connecting || this.readyState === STATES.disconnected) && this._shouldBufferCommands()) {
await new Promise(resolve => {
this._queue.push({ fn: resolve });
});
}
await this._waitForConnect();

const cursor = this.db.listCollections();
return await cursor.toArray();
Expand All @@ -662,13 +661,8 @@ Connection.prototype.listCollections = async function listCollections() {
*/

Connection.prototype.listDatabases = async function listDatabases() {
if ((this.readyState === STATES.connecting || this.readyState === STATES.disconnected) && this._shouldBufferCommands()) {
await new Promise(resolve => {
this._queue.push({ fn: resolve });
});
}

return await this.db.admin().listDatabases();
// Implemented in `lib/drivers/node-mongodb-native/connection.js`
throw new MongooseError('listDatabases() not implemented by driver');
};

/**
Expand All @@ -691,11 +685,7 @@ Connection.prototype.dropDatabase = async function dropDatabase() {
throw new MongooseError('Connection.prototype.dropDatabase() no longer accepts a callback');
}

if ((this.readyState === STATES.connecting || this.readyState === STATES.disconnected) && this._shouldBufferCommands()) {
await new Promise(resolve => {
this._queue.push({ fn: resolve });
});
}
await this._waitForConnect();

// If `dropDatabase()` is called, this model's collection will not be
// init-ed. It is sufficiently common to call `dropDatabase()` after
Expand Down
13 changes: 13 additions & 0 deletions lib/drivers/node-mongodb-native/connection.js
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,19 @@ NativeConnection.prototype.doClose = async function doClose(force) {
return this;
};

/**
* Implementation of `listDatabases()` for MongoDB driver
*
* @return Promise
* @api public
*/

NativeConnection.prototype.listDatabases = async function listDatabases() {
await this._waitForConnect();

return await this.db.admin().listDatabases();
};

/*!
* ignore
*/
Expand Down
1 change: 0 additions & 1 deletion test/connection.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1588,7 +1588,6 @@ describe('connections:', function() {

const { databases } = await connection.listDatabases();
assert.ok(connection.name);
console.log(databases);
assert.ok(databases.map(database => database.name).includes(connection.name));
});
describe('createCollections()', function() {
Expand Down