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---
description: minPoolSize-error
schemaVersion: "1.4"
runOnRequirements:
# Require SERVER-49336 for failCommand + appName on the initial handshake.
- minServerVersion: "4.4.7"
serverless: forbid
topologies:
- single
createEntities:
- client:
id: &setupClient setupClient
useMultipleMongoses: false
initialData: &initialData
- collectionName: &collectionName sdam-minPoolSize-error
databaseName: &databaseName sdam-tests
documents: []
tests:
- description: Network error on minPoolSize background creation
operations:
# Configure the initial monitor handshake to succeed but the
# first or second background minPoolSize establishments to fail.
- name: failPoint
object: testRunner
arguments:
client: *setupClient
failPoint:
configureFailPoint: failCommand
mode:
skip: 3
data:
failCommands:
- hello
- isMaster
appName: SDAMminPoolSizeError
closeConnection: true
- name: createEntities
object: testRunner
arguments:
entities:
- client:
id: &client client
useMultipleMongoses: false
observeEvents:
- serverDescriptionChangedEvent
- poolClearedEvent
- poolReadyEvent
uriOptions:
heartbeatFrequencyMS: 10000
appname: SDAMminPoolSizeError
minPoolSize: 10
serverSelectionTimeoutMS: 1000
- database:
id: &database database
client: *client
databaseName: *databaseName
- collection:
id: &collection collection
database: *database
collectionName: *collectionName
# Wait for monitor to succeed handshake and mark the pool as ready.
- name: waitForEvent
object: testRunner
arguments:
client: *client
event:
poolReadyEvent: {}
count: 1
# Background connection establishment ensuring minPoolSize should fail,
# causing the pool to be cleared.
- name: waitForEvent
object: testRunner
arguments:
client: *client
event:
poolClearedEvent: {}
count: 1
# The server should be marked as Unknown as part of this.
- name: waitForEvent
object: testRunner
arguments:
client: *client
event:
serverDescriptionChangedEvent:
newDescription:
type: Unknown
count: 1
# Executing a command should fail server selection due to not being able
# to find the primary.
- name: runCommand
object: *database
arguments:
command:
ping: {}
commandName: ping
expectError:
isError: true
# Disable the failpoint, allowing the monitor to discover the primary again.
- name: failPoint
object: testRunner
arguments:
failPoint:
configureFailPoint: failCommand
mode: "off"
client: *setupClient
# Perform an operation to ensure the node is discovered.
- name: runCommand
object: *database
arguments:
command:
ping: 1
commandName: ping
# Assert that the monitor discovered the primary and mark the pool as ready again.
- name: assertEventCount
object: testRunner
arguments:
client: *client
event:
poolReadyEvent: {}
count: 2
|
