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Merge pull request #294 from orlandos-nl/transaction-crash
Adds test for transaction.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| import NIO | ||
| import MongoKitten | ||
| import XCTest | ||
| import MongoCore | ||
|
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| class TransactionTests: XCTestCase { | ||
| struct ModelA: Codable { | ||
| static let collection = "model_a" | ||
| let _id: ObjectId | ||
| let value: String | ||
| } | ||
|
|
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| struct ModelB: Codable { | ||
| static let collection = "model_b" | ||
| let _id: ObjectId | ||
| let value: String | ||
| } | ||
|
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| var mongo: MongoDatabase! | ||
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| override func setUp() async throws { | ||
| try await super.setUp() | ||
| let mongoSettings = try ConnectionSettings("mongodb://\(ProcessInfo.processInfo.environment["MONGO_HOSTNAME_A"] ?? "localhost")/mongokitten-test") | ||
| mongo = try await MongoDatabase.connect(to: mongoSettings) | ||
| } | ||
|
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| override func tearDown() async throws { | ||
| try await super.tearDown() | ||
| try await mongo.drop() | ||
| } | ||
|
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| func test_transaction() async throws { | ||
| try await mongo.transaction { db in | ||
| try await db[ModelA.collection].insertEncoded(ModelA(_id: .init(), value: UUID().uuidString)) | ||
| try await db[ModelB.collection].insertEncoded(ModelB(_id: .init(), value: UUID().uuidString)) | ||
| } | ||
| } | ||
|
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| func test_backToBackTransaction() async throws { | ||
| for _ in 0..<100 { | ||
| try await mongo.transaction { db in | ||
|
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| try await db[ModelA.collection].insertEncoded(ModelA(_id: .init(), value: UUID().uuidString)) | ||
| try await db[ModelB.collection].insertEncoded(ModelB(_id: .init(), value: UUID().uuidString)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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|
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| extension MongoDatabase { | ||
| func transaction<T>(_ closure: @escaping (MongoDatabase) async throws -> T) async throws -> T { | ||
| guard !self.isInTransaction else { | ||
| return try await closure(self) | ||
| } | ||
| let transactionDatabase = try await self.startTransaction(autoCommitChanges: false) | ||
|
|
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| do { | ||
| let value = try await closure(transactionDatabase) | ||
|
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| try await transactionDatabase.commit() | ||
| return value | ||
| } catch { | ||
| try await transactionDatabase.abort() | ||
| throw error | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| version: "3" | ||
|
|
||
| services: | ||
| mongo-1: | ||
| image: mongo:5.0 | ||
| ports: | ||
| - "27017:27017" | ||
| container_name: mongo-1 | ||
| hostname: mongo-1 | ||
| networks: | ||
| - mongo_cluster | ||
| command: mongod --replSet rs0 | ||
|
|
||
| mongo-2: | ||
| image: mongo:5.0 | ||
| ports: | ||
| - "27018:27017" | ||
| container_name: mongo-2 | ||
| hostname: mongo-2 | ||
| networks: | ||
| - mongo_cluster | ||
| command: mongod --replSet rs0 | ||
| depends_on: | ||
| - mongo-1 | ||
|
|
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| mongo-3: | ||
| image: mongo:5.0 | ||
| ports: | ||
| - "27019:27017" | ||
| container_name: mongo-3 | ||
| hostname: mongo-3 | ||
| networks: | ||
| - mongo_cluster | ||
| command: mongod --replSet rs0 | ||
| depends_on: | ||
| - mongo-2 | ||
|
|
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| mongosetup: | ||
| image: mongo:5.0 | ||
| networks: | ||
| - mongo_cluster | ||
| volumes: | ||
| - ./scripts:/scripts | ||
| command: bash -c "chmod +x /scripts/setup.sh && /scripts/setup.sh" | ||
|
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||
| networks: | ||
| mongo_cluster: | ||
| driver: bridge |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| #!/bin/sh | ||
| sleep 5 | ||
| mongo --host mongo-1:27017 <<EOF | ||
| var cfg = { | ||
| "_id": "rs0", | ||
| "version": 1, | ||
| "members": [ | ||
| { | ||
| "_id": 0, | ||
| "host": "mongo-1:27017", | ||
| "priority": 2 | ||
| }, | ||
| { | ||
| "_id": 1, | ||
| "host": "mongo-2:27017", | ||
| "priority": 1 | ||
| }, | ||
| { | ||
| "_id": 2, | ||
| "host": "mongo-3:27017", | ||
| "priority": 0, | ||
| "arbiterOnly": true | ||
| } | ||
| ] | ||
| }; | ||
| rs.initiate(cfg, { force: true }); | ||
| rs.reconfig(cfg, { force: true }); | ||
| rs.status(); | ||
| EOF |