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In order to achieve WebDriver parity, Marionette needs the ability to evaluate scripts in content space with lasting side-effects. This means that state modifications should affect behaviour and state of the browsing context, and such transgress the boundaries of the sandbox. This patch brings a new script evaluation module that is shared between code in chrome- and content space. This brings the number of unique script evaluation implementations in Marionette down from six to one. evaluate.sandbox provides the main entry-point for execution. It is compatible with existing Marionette uses of Execute Script and Execute Async Script commands in Mozilla clients, but also provides a new stateful sandbox for evaluation that should have lasting side-effects. It is not expected that Mozilla clients, such as testing/marionette/client and the Node.js client in Gaia, should have to change as a consequence of this change. A substantial change to the script's runtime environment is that many globals that previously existed are now only exposed whenever needed. This means for example that Simple Test harness functionality (waitFor, ok, isnot, is, &c.) is only available when using a sandbox augmented with a Simple Test harness adapter. Conversely, this patch does not expose marionetteScriptFinished as a callback to asynchronous scripts for sandboxes which sandboxName parameter is undefined, because this is what determines if the script should be evaluated under WebDriver conformance constraints. In all other cases where sandboxName _is_ defined, the traditional marionetteScriptFinished et al. runtime environment is preserved. MozReview-Commit-ID: 8FZ6rNVImuC |
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| marionette_driver | ||
| MANIFEST.in | ||
| requirements.txt | ||
| setup.py | ||