Then use the header keyword to do a custom over-ride if needed. A JavaScript function or Karate expression at runtime has access to a utility object in a variable named: karate. And this call is using shared scope. Assertions and HTML reports are built-in, and you can run tests in parallel for speed. You can also find a nice visual comparison and explanation here. In the called feature, the argument can also be accessed using the built-in variable: called Karate scripts dont need to use any special keywords to return data and can behave like normal Karate tests in stand-alone mode if needed, the data return mechanism is safe, there is no danger of the called script over-writing any variables in the calling (or parent) script (unless you use, the need to explicitly unpack variables by name from the returned envelope keeps things readable and maintainable in the caller script, call re-usable functions that take complex data as an argument and return complex data that can be stored in a variable, JavaScript / JSON-style mutation of existing. If you are looking for Cucumber hooks Karate does not support them, mainly because they depend on Java code, which goes against the Karate Way. To run only a single scenario, append the line number on which the scenario is defined, de-limited by :. You can refer to the Java interface definition of the driver object to better understand what the various operations are. The get keyword allows you to save the results of a JsonPath expression for later use - which is especially useful for dynamic data-driven testing. You can even perform a conversion from XML to JSON if you want. Note that this example only does a string equals check on parts of the JSON, but with Karate you are always encouraged to match the entire payload in one step. It can look something like this. { You need to use karate.toJava() to wrap JS functions passed to custom Java code. 1 [karate]: Karate UI Automation: Unable to launch the browser. Karate is the only open-source tool to combine API test-automation, mocks, performance-testing and even UI automation into a single, unified framework. It uses the Gherkin syntax, made popular by Cucumber, which is language-neutral, easy to use even for non-programmers and is centered on Behavior Driven Development (BDD). """, # karate's unified data handling means that even 'match' works, # which means that checking if a cookie does NOT exist is a piece of cake, # check if the response status is either of two values, # this may be sufficient to check a range of values. for advanced users - scripts can introspect the tags that apply to the current scope, refer to this example: for even more advanced users - Karate natively supports tags in a, when you want to get the absolute OS path to the argument which could even have a prefix such as, converts a JSON string or map-like object into a Java object, given the Java class name as the second argument, refer to this, converts a JSON array (of objects) or a list-like object into a CSV string, writing this to a file is your responsibility or you could use, rarely used, when you need to pass a JS function to custom Java code, typically for, for advanced conditional logic when object types are dynamic and not known in advance, see, returns only the values of a map-like object (or itself if a list-like object), will wait until the URL is ready to accept HTTP connections, will wait until the host:port is ready to accept socket connections, the current iteration index (starts from 0) if being called in a loop, will be, Java knowledge is not required and even non-programmers can write tests, Scripts are plain-text, require no compilation step or IDE, and teams can collaborate using Git / standard SCM, Based on the popular Cucumber / Gherkin standard - with, Eliminate the need for Java Beans or helper code to represent payloads and HTTP end-points, and, Ideal for testing the highly dynamic responses from, Tests are super-readable - as scenario data can be expressed in-line, in human-friendly, Express expected results as readable, well-formed JSON or XML, and, Embedded JavaScript engine that allows you to build a library of, Re-use of payload-data and user-defined functions across tests is, Standard Java / Maven project structure, and, Reports include HTTP request and response, Easily invoke JDK classes, Java libraries, or re-use custom Java code if needed, for. Sometimes when dealing with very large numbers, the JS engine may mangle the number into scientific notation: This can be easily solved by using java.math.BigDecimal: Karate has a built-in HTML templating engine that can be used to insert additional custom HTML into the test-reports. Karate has a very useful payload templating approach. And path blog In cases where the data-source needs multiple steps, for e.g. Look at how the path did not need to be specified for the second HTTP get call since /cats is part of the url. Karate is the only open-source tool to combine API test-automation, mocks, performance-testing and even UI automation into a single, unified framework. """, Then match each json.hotels contains { totalPrice, #? And with Karate expressions, you can dive into JavaScript without needing to define a function - and conditional logic is a good example. Save my name, email, and website in this browser for the next time I comment. How do i use javascript executor in Karate UI. Here are the configuration keys supported: If you need to set any of these globally you can easily do so using the karate object in karate-config.js - for e.g: In rare cases where you need to add nested non-JSON data to the configure value, you have to play by the rules that apply within karate-config.js. This form of waitUntil() is very useful for waiting for some HTML element to stop being disabled. Hot Network Questions To signal the end of the data, just return null. The match keyword is explained later, but it should be clear right away how convenient the table keyword is. Example: After click on response step we can see response of GET request. _ == _$.roomInformation[0].roomPrice' }, """ This approach is indeed slightly more complicated than traditional *.properties files - but you need this complexity. { A great example of how you can extend Karate, even bypass the HTTP client but still use Karates test-automation effectively, is this gRPC example by @thinkerou: karate-grpc. Uses the configured highlightDuration. Internally, Karate will auto-convert JSON (and even XML) to Java Map objects. There are 2 variants, one that takes an integer as the param, in which case the frame is selected based on the order of appearance in the page: Or you use a locator that points to the