# TestService（ロブロックス クラス）

> A service used by Roblox to run controlled tests of the engine. It is available for developers to use, to a limited degree.

- URL：https://roblox.minecraft-okinawa.com/reference/classes/TestService/
- 公式：https://create.roblox.com/docs/reference/engine/classes/TestService
- 受け継いでいるクラス：Instance

## プロパティ

- `TestService.AutoRuns: boolean`：If set to true, the game will start running when the service's Class.TestService:RunAsync() method is called.
- `TestService.Description: string`：A description of the test being executed.
- `TestService.ErrorCount: int`：Measures how many errors have been recorded in the test session.
- `TestService.ExecuteWithStudioRun: boolean`：When set to true, TestService will be executed when using the **Run** action in Roblox Studio.
- `TestService.IsPhysicsEnvironmentalThrottled: boolean`：Sets whether or not the physics environment should be throttled while running this test.
- `TestService.IsSleepAllowed: boolean`：Sets whether or not physics objects will be allowed to fall asleep while the test simulation is running.
- `TestService.NumberOfPlayers: int`：The number of players expected in this test, if any.
- `TestService.SimulateSecondsLag: double`：Sets a specific amount of additional latency experienced by players during the test session.
- `TestService.TestCount: int`：Measures how many test calls have been recorded in the test session.
- `TestService.ThrottlePhysicsToRealtime: boolean`：Sets whether the test should be throttled to simulate time according to real world time or as fast as possible.
- `TestService.Timeout: double`：The maximum amount of time that tests are allowed to run for.
- `TestService.WarnCount: int`：Measures how many warning calls have been recorded in the test session.

## メソッド

- `TestService:Check(condition: boolean, description: string, source: Instance, line: int): ()`：Prints result of a condition to the output.
- `TestService:Checkpoint(text: string, source: Instance, line: int): ()`：Prints Test checkpoint: followed by a string to the output in blue text.
- `TestService:Done(): ()`：Prints Testing Done to the output in blue text.
- `TestService:Error(description: string, source: Instance, line: int): ()`：Prints a red error message to the output, prefixed by TestService: .
- `TestService:Fail(description: string, source: Instance, line: int): ()`：Indicates a fatal error in a TestService run.
- `TestService:isFeatureEnabled(name: string): boolean`：Returns whether the named feature identified by name is currently enabled.
- `TestService:Message(text: string, source: Instance, line: int): ()`：Prints TestService: followed by a string to the output in blue text.
- `TestService:Require(condition: boolean, description: string, source: Instance, line: int): ()`：Prints whether a condition is true along with a description string.
- `TestService:RunAsync(): ()`：Runs scripts which are parented to TestService.
- `TestService:ScopeTime(): Dictionary`：Returns a dictionary of per-scope physics simulation timings for performance testing.
- `TestService:Warn(condition: boolean, description: string, source: Instance, line: int): ()`：Prints if a condition is true, otherwise prints a warning.

## イベント

- `TestService.ServerCollectConditionalResult(condition: boolean, text: string, script: Instance, line: int)`：Fires when the server should collect a conditional test result.
- `TestService.ServerCollectResult(text: string, script: Instance, line: int)`：Fires when the server should collect a test result.

英語の説明とメンバー一覧：Roblox Creator Documentation（CC BY 4.0）。日本語の解説はこのサイト独自のものです。

執筆：鈴木孝昌（現役プロジェクトマネージャー／プログラミング講師）／運営：沖縄マイクラ部 プログラミングスクール「クロスウェーブ」（https://minecraft-okinawa.com/）