FBSimulatorControl

Facebook (via Peter Steinberger):

The original use-case for FBSimulatorControl was to boot Simulators to run End-to-End tests with WebDriverAgent. As FBSimulatorControl is a Mac OS X framework, it can be linked to from inside any Mac OS Library, Application, or xctest target. There may be additional use-cases that you may find beyond UI Test Automation.

FBSimulatorControl works by linking with the private DVTFoundation, CoreSimulator and DVTiPhoneSimulatorRemoteClient frameworks that are present inside the Xcode bundle. Doing this allows FBSimulatorControl to talk directly to the same APIs that Xcode and simctl do. This, combined with launching the Simulator binaries directly, means that multiple Simulators can be launched simultaneously. Test targets can be made that don’t depend on any Application targets, or that launch multiple Application targets. This enables running against pre-built and archived Application binaries, rather than a binary that is built by a Test Target.

Developer Tool iOS Mac Open Source Programming Testing

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