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runOn:
-
minServerVersion: "4.0"
topology: ["single", "replicaset"]
-
minServerVersion: "4.1.7"
topology: ["sharded"]
database_name: &database_name "retryable-reads-tests"
bucket_name: "fs"
data:
fs.files:
-
_id: { $oid : "000000000000000000000001" }
length: 1
chunkSize: 4
uploadDate: { $date : "1970-01-01T00:00:00.000Z" }
filename: abc
metadata: {}
fs.chunks:
- { _id: { $oid: "000000000000000000000002" }, files_id: { $oid: "000000000000000000000001" }, n: 0, data: { $binary: { base64: "EQ==", subType: "00" } } }
tests:
-
description: "DownloadByName succeeds on first attempt"
operations:
- &retryable_operation
name: download_by_name
object: gridfsbucket
arguments: { filename: "abc" }
expectations:
- &retryable_command_started_event
command_started_event:
command:
find: fs.files
filter: { filename : "abc" }
database_name: *database_name
- &find_chunks_command_started_event
command_started_event:
command:
find: fs.chunks
filter: { files_id: {$oid : "000000000000000000000001"} }
sort: { n: 1 }
database_name: *database_name
-
description: "DownloadByName succeeds on second attempt"
failPoint: &failCommand_failPoint
configureFailPoint: failCommand
mode: { times: 1 }
data:
failCommands: [find]
closeConnection: true
operations: [*retryable_operation]
expectations:
- *retryable_command_started_event
- *retryable_command_started_event
- *find_chunks_command_started_event
-
description: "DownloadByName fails on first attempt"
clientOptions:
retryReads: false
failPoint: *failCommand_failPoint
operations:
- &retryable_operation_fails
<<: *retryable_operation
error: true
expectations:
- *retryable_command_started_event
-
description: "DownloadByName fails on second attempt"
failPoint:
<<: *failCommand_failPoint
mode: { times: 2 }
operations: [*retryable_operation_fails]
expectations:
- *retryable_command_started_event
- *retryable_command_started_event
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