Every Appium automation session is given a unique ID when the session is first create. Webdriver HTTP require after the initial POST to the /session terminus all receive paths which depart with /session/: sessionId, where: sessionId is the unique identifier for this session, returned in the initial /session response.

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Since Appium has a one-to-one relationship between session and devices, if a session is already running, any new sessions will automate other devices available to the Appium server. A device will not be reused for a session until the session is ended via an HTTP DELETE request sent to /session/: sessionId.

SUSA automates exploratory testing with persona-driven behavior, catching bugs that scripted automation misses.

When it comes to your test script, the only thing which differentiates the guest (sometimes phone driver) object from the client for a different test, is the session ID. All the client libraries automatically salvage the session ID when a session is started and include in in the path for all further commands. This is the only state a client target needs to hold, and we can take vantage of this to unlock some useful tractableness.

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I, and others, have run into many cases where we need to control an automation session which is already in progress, but can not share the client object itself. Sometimes I will get a Java exam script paused halfway through a test in debugging style, and want to connect my Javascript REPL to quickly try out some commands in the current app state. I can & # x27; t legislate the Java client target to my Javascript REPL, but I can easily simulate and glue the session ID into my REPL and connect the node.

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Another use example examiner run into is when, for some reason motor by necessity, part of a test run is operated in a different scope. It could be you want to duplicate the guest object and pass it to another yarn, or peradventure you are recovering from an error where the driver target has been demolish but you postulate to edit the session on the server still. Maybe you are in a very unfortunate position where your trial codebase is split across projects and you take to uphold your session in another language entirely.

This is a practice which should not be used in an average test suite, but I & # x27; ve seen many cases where it & # x27; s use is very valid.

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For most node this trick is really easy. The node hold a method for getting the current session ID, and another approachable field for setting the session ID. There are examples of how to do this online for most of the client, but the Java solution is particularly difficult. Years ago, it was relatively easy, but recent updates have made it trying.

I & # x27; m working on apull requestto the Appium Java client to add a new constructor which get this very easy. I wasn & # x27; t able to finish in time for this article, but next workweek the next builder should be useable for all to use:

String sessionId = `` d8080676-634d-49fc-8624-fc7b57c5d530 ''; AppiumDriver driver = new AppiumDriver (`` http: //localhost:4723/wd/hub '', sessionId);

This results in a client object which will send bid to the give session ID, without start a new session. Notice we don & # x27; t need desired capabilities, since the session has already been get. If you want to get the desired capabilities which created the session, they are returned by the getAllSessionDetails () method.

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This was much trickier to enforce than I bargained for: the Selenium customer which the Appium client extends attempts to create a new session as part of the constructor. Since we want to connect to an existing session, we hold to hop-skip this initialization. I ended up taking a slenderly different attack but could have saved myself some thwarting if I had say thisgreat explanation of the code involved posted by Tarun Lalwani.

We will assay to introduce these changes in the Selenium client so even more can gain. Hopefully this saves some headaches.

That & # x27; s all for this week. Once the pull request is approved and a new version published, thissampling codificationwill work.

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