karate run specific feature file

If needed, this can be changed by using configure - any time during a test, or set globally via karate-config.js. Since it is so easy to dive into Java-interop, Karate does not include any random-number functions, uuid generator or date / time utilities out of the box. The above example can be made more simpler with the use of call (or callonce) without a def-assignment to a variable, and is the recommended pattern for implementing re-usable authentication setup flows. each feature opens a new scope without which karate would break in all kinds of ways. }, A very useful capability is to be able to check that an array contains an object that contains the provided sub-set of keys instead of having to specify the complete JSON - which can get really cumbersome for large objects. This is great for testing boundary conditions against a single end-point, with the added bonus that your test becomes even more readable. The short cut $variableName form is also supported. to avoid constant failures due to loading animations), """ In rare cases, e.g. Also refer to the eval keyword for a simpler way to execute arbitrary JavaScript that can be useful in some situations. path to file containing the trust chain for your server certificate. { karate.set('temp', squares); Link to my code repo on Git hubhttps://github.com/KalimohTraining/KarateTrainingLink to Karate Project on GitHub:https://github.com/intuit/karateDescription . ] // so now the txid_header would be a unique uuid for each request, // hard coded here, but also can be as dynamic as you want, // use the 'karate' helper to do a 'safe' get of a 'dynamic' variable, // the 'appId' variable here is expected to have been set via karate-config.js (bootstrap init) and will never change, # second HTTP call, to get a list of 'projects', # if foo is not defined, it will default to 42. The following short-cut is also supported which will disable all logs: When you use a re-usable feature that has commonly used utilities, you may want to hide this completely from the HTML reports. Key Features (click images to expand) Monitors hundreds of thousands of threads running concurrently on each GPU. How do you find the longest decreasing subsequence of a sequence? Note that if you did not need to inject Examples: into placeholders enclosed within < and >, reading from a file with the extension *.txt may have been sufficient. Karate has enhanced the Cucumber Scenario Outline as follows: These are best explained with examples. The most important feature of Karate isno coding. So when you use the combination of callonce in a Background, you can indeed get the same effect as using a @BeforeClass annotation, and you can find examples in the karate-demo, such as this one: callonce.feature. If your XPath is dynamic and has to be formed on the fly perhaps by using some variable derived from previous steps, you can use the karate.xmlPath() helper: You can refer to this file (which is part of the Karate test-suite) for more XML examples: xml-and-xpath.feature. For example you can get a nice feature coverage report, provided you have a rich set of tags. Go to Folder src/test/java in your project.Creating The First Basic Karate Test Script. 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 dont have to compile code. For example: You can reset default settings by using the following short-cut: Since you can use configure any time within a test, you have control over which requests or steps you want to show / hide. And match (name) contains is how you can do so: Note that match contains will not recurse any nested JSON chunks so use match contains deep instead. And if being called in a loop, a built-in variable called __loop will also be available that will hold the value of the current loop index. You can find more details here. Also see first.feature and second.feature in the demos. Just like yaml, you may occasionally need to convert a string which happens to be in CSV form into JSON, and this can be done via the csv keyword. To test a specific feature in karate I run: mvn test -Dkarate.options="classpath:myfeature.feature". Here is an example JavaScript function that uses some variables in the context (which have been possibly set as the result of a sign-in) to build the Authorization header. 1. All the fuzzy matching markers will work in XML as well. OR: To run every feature that has either of the @F1 and @F2 tags (runs both) {@F1,@F2}, Combining OR and AND: To run feature that has either of @F1,@F2,@F3 tags but not @F4 tag. Here is an . Select all the raw data and validate it using any json validator. All feature files should be in src/test/resources and create the Cucumber Runner class as CucumberRunnerTest. They can be very useful in some situations. } The karate-chrome Docker is an image created from scratch, using a Java / Maven image as a base and with the following features: Chrome in "full" mode (non-headless) Chrome DevTools protocol exposed on port 9222. Use either the param keyword, e.g. It also details how a third-party library can be easily used to generate some very nice-looking reports, from the JSON output of the parallel runner. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. This is a good time to deep-dive into JsonPath, which is perfect for slicing and dicing JSON into manageable chunks. To create a feature file, right click on the Project explorer, choose New >> File. If you find yourself struggling to write dynamic JsonPath filters, look at karate.filter() as an alternative, described just below. Both the official Visual Studio Code and IntelliJ plugins support step-through debugging of Karate tests. See also match header which is what you would normally need. The name of the class doesnt matter, and it will automatically run any *.feature file in the same package. But you can prefix the name with classpath: in which case the root folder would be src/test/java (assuming you are using the recommended folder structure). Raw Blame. If a handler function (returning a boolean) is provided - it will be used to complete the listen wait if true is returned. For a detailed discussion on BDD and how Karate relates to Cucumber, please refer to this blog-post: Yes, Karate is not true BDD. "a": 1, Karate report & karate log to have scenario name with test data. 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. One way to define test-suites in Karate is to have a JUnit class at a level above (in terms of folder hierarchy) all the *.feature files in your project. So you could have also done something like: Also refer to the configure keyword on how to switch on pretty-printing of all HTTP requests and responses. """, # yaml from a file (the extension matters), and the data-type of 'bar' would be JSON, """ returns the operating system details as JSON, for e.g. This approach can certainly enable product-owners or domain-experts who are not programmer-folk, to review, and even collaborate on test-scenarios and scripts. More examples are available that showcase various ways of parameter-izing and dynamically manipulating SOAP requests in a data-driven fashion. No tests run in maven project with karate module. Here is an example which also demonstrates how you could assert for expected values in the response XML. var nums = [0, 1, 2, 3, 4]; In real-life scripts, you would typically also use this capability of Karate to configure headers where the specified JavaScript function uses the variables that result from a sign in to manipulate headers for all subsequent HTTP requests. 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. More examples of Java interop and how to invoke custom code can be found in the section on Calling Java. The most common use-case would be to partition your tests into smoke, regression and the like - which enables being able to selectively execute a sub-set of tests. Run Karate Test. Find centralized, trusted content and collaborate around the technologies you use most. When you have a large and complex project, you will end up with a few data files (e.g. If you place it above the Feature keyword, it will apply to all Scenario-s. And if you just want one or two Scenario-s to NOT run in parallel, you can place this tag above only those Scenario-s. See example. b Runners. It typically ends up being a one-liner that appears in the Background section at the start of your test-scripts. The JavaScript interpreter will try to convert types across Java and JavaScript as smartly as possible. name: Smith { This is easily achieved with the karate.repeat() API: And theres also karate.range() which can be useful to generate test-data. countryName: '#string', mvn clean test-compile gatling:test -Dgatling.simulationClass=Performance.GatlingTest Gatling script with Karate feature file. Setting values on JSON documents is simple using the set keyword. So you can compare 2 JSON (or XML) payloads if you wanted to: If you are wondering about the finer details of the match syntax, the Left-Hand-Side has to be either a. and & will be automatically inserted. Karate supports the following functional-style operations via the JS API - karate.map(), karate.filter() and karate.forEach(). The name of the class doesn't matter, and it will automatically run any *. But this does not limit you in any way, because similar to how you can call *.feature files, you can pass a whole JSON object as the argument. So you have the following type markers you can use instead of def (or the rarely used text). The Maven tradition is to have non-Java source files in a separate src/test/resources folder structure - but we recommend that you keep them side-by-side with your *.java files. Observe how the get shortcut is used to distill the result array of variable envelopes into an array consisting only of response payloads. 2 "hotels": [ Because of how easy it is to set HTTP headers, Karate does not provide any special keywords for things like the Accept header. lastUpdated: { on: "#ignore" }, #karate #junit5This video explain how you can call one scenario from another scenario from the same features files as well as from another feature file JSON arrays), see. A few more useful transforms are to select a sub-set of key-value pairs using karate.filterKeys(), merging 2 or more JSON-s using karate.merge() and combining 2 or more arrays (or objects) into a single array using karate.append(). But in that case you should de-dupe them using a name: And since it is common to run a @setup Scenario only once per-feature you can call karate.setupOnce(). """, """ Windows: Ctrl+R+1. This is optional, and Karate will work without the logging config in place, but the default console logging may be too verbose for your needs. we need to have our first feature file which will be called from the second feature file.Here I'm trying to explain using the Git Repo APIs. Note that this is not the best example of a skeleton Java / Maven project, as it is designed to be . Note that the path resets after any HTTP request is made but not the url. So you get the picture, any kind of complicated sign-in flow can be scripted and re-used. But since some-reusable.feature is above AnimalsTest.java in the folder hierarchy, it will not be picked-up. } } In this chapter, we will discuss memory coalescing. So we use the same Gherkin syntax - but the similarity ends there. For suppressing sensitive information such as secrets and passwords from the log and reports, see Log Masking and Report Verbosity. ] useful to scrape text out of non-JSON or non-XML text sources such as HTML, like the above, but returns a list of text-matches. If you want to use JUnit 4, use the karate-junit4 Maven dependency instead of karate-junit5. Everything to the right of the assert keyword will be evaluated as a single expression. downloadLatestFn('custom_latest.png') It is also possible to invoke a feature file via a Java API which can be useful in some test-automation situations. The match keyword can be made to iterate over all elements in a JSON array using the each modifier. How to use Karate-config parameters in a feature file? We just need to follow the Karate DSL syntax. odd: '#(oddSchema)', // trigger download of latest image with custom file name function fn(x){ return x + 1 }. The match syntax involves a double-equals sign == to represent a comparison (and not an assignment =). You are free to organize your files using regular Java package conventions. function(s) { Herea table of the alternative in-line forms compared with the standard form. }] The following parameters are supported: For end-to-end examples in the Karate demos, look at the files in this folder. a named JsonPath or XPath expression - e.g. input: a password) into a test. A good example of the use of form field for a typical sign-in flow is this OAuth 2 demo: oauth2.feature. In this video, I have explained how to run feature files using karate junit5 runner and from maven command line.Schedule a meeting in case of any queries/gui. And it is worth mentioning that the Karate configuration bootstrap routine is itself a JavaScript function. When your project gets complex, you can have separate karate-config-.js files that will be processed for that specific value of karate.env. It is like defining variables in any programming language. You can set this up for all subsequent requests or dynamically generate headers for each HTTP request if you configure headers. This is one reason why you may want to prefer a flat directory structure as explained above. Since Karate uses Gherkin, you can also employ data-driven techniques such as expressing data-tables in test scripts. Since asserting against header values in the response is a common task - match header has a special meaning. And if you need multiple functions, you can easily organize them into a single Java class with multiple static methods. The above would result in a URL like: http://myhost/mypath?someKey=hello&anotherKey=foo. Enable HTTPS calls without needing to configure a trusted certificate or key-store. But note that you can use the negative form of a tag selector: ~@region=GB. ; OpenAPI Generator that generates: . That feeling when: REMINDER: The latest NVIDIA drivers disable the LHR unlock system. Mac: Cmd+V. This enables more concise tests, and the file can be re-usable in multiple, data-driven tests. If the second HTTP call above expects headers to be set by my-headers.js - which in turn depends on the authToken variable being updated, you will need to duplicate the line * configure headers = read('classpath:my-headers.js') from the caller feature here as well. And such re-use makes it easier to re-factor tests when needed, which is great for maintainability. The @setup tag is built-in for this purpose and any Scenario tagged with this will behave like @ignore. Also note that match contains any is possible for JSON objects as well as JSON arrays. As a convenience, you can call a tag directly, which is a short-cut to call another Scenario within the same feature file. """, """ This is so that you can mix expressions into text replacements as shown below. One way to appreciate Karates approach is to think over what it takes to add a new environment-dependent variable (e.g. Embedded expressions also make more sense in validation and schema-like short-cut situations. So you can do things like this: * def name = name + __loop - or you can use the loop index value for looking up other values that may be in scope - in a data-driven style. And for dealing with binary content - see bytes. Note that #present and #notpresent only make sense when you are matching within a JSON or XML context or using a JsonPath or XPath on the left-hand-side. { """, //DEPS com.intuit.karate:karate-core:RELEASE:all, "https://jsonplaceholder.typicode.com/users", * def expected = __num == 0 ? Karate provides its own DSL (Domain Specific Language), which uses a Gherkin-like language enabling one to write tests without programming knowledge, and write tests in .feature files. * header Authorization = call read('basic-auth.js') { username, # just perform an action, we don't care about saving the result, # do something only if a condition is true, # you can use multiple lines of JavaScript if needed, """ It is worth repeating that in most cases you wont need to set the Content-Type header as Karate will automatically do the right thing depending on the data-type of the request. return 'this text will be displayed above the image comparison config\n' + customConfigJson Something like this: For HTTPS / SSL, you can also specify a custom certificate or trust store by setting Java system properties. . The business of web-services testing requires access to low-level aspects such as HTTP headers, URL-paths, query-parameters, complex JSON or XML payloads and response-codes. """, # note the 'text' keyword instead of 'def', """ For example: And similarly for XML and XPath, / represents the response. 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. While $ always refers to the JSON root, note the use of _$ above to represent the current node of a match each iteration. How to change the query variable in WordPress? Refer to the demos for another example: soap.feature. But, unlike Cucumber, the steps do not require a . So if you really wanted to assert that the HTTP response body is well-formed JSON or XML you can do this: Very rarely used - but you can get the Java system-time (for the current response) at the point when the HTTP request was initiated (the value of System.currentTimeMillis()) which can be used for detailed logging or custom framework / stats calculations. How to call custom Java code in karate API tests? A few special built-in variables such as $ (which is a reference to the JSON root) - can be mixed into JSON embedded expressions. Making statements based on opinion; back them up with references or personal experience. If you use the Maven tweak described earlier (recommended), the root of the classpath will be in the src/test/java folder, or else would be src/test/resources. Re-use can sometimes result in negative benefits - especially when applied to test-automation. Mac: Cmd+R+1. Now we are all set for the Parallel execution with 2. features file. This is just to reduce confusion for users new to Karate who tend to do * def request = {} and expect the request body or similarly, the url to be set. Some users need callable features that are re-usable even when variables have not been defined by the calling feature. Now I can dynamically able to select the list of features at run time :) Regarding the karate.abort() Now the result for the particular step is marked as 'SKIPPED', but the results for the steps below it still shown as 'PASSED'. karate.appendTo(vals, y); You can also pass parameters into the *.feature file being called, and extract variables out of the invocation result. You should see the Karate: Run | Karate: Debug code lense on top of the feature and every scenario. You can read more about the Given-When-Then convention at the Cucumber reference documentation. If you read from a file, the advantage is that multiple scripts can re-use the same data. Note that the set (multiple) keyword can build complex, nested JSON (or XML) from scratch in a data-driven manner, and you may not even need to read from files for many situations. On the other hand, if you are expecting a variable in the Background to be modified by one Scenario so that later ones can see the updated value - that is not how you should think of them, and you should combine your flow into one scenario. For example - if a response data element or downloaded file is YAML and you need to use the data in subsequent steps. Of course it is an option to have Karate tests in a separate stand-alone maven project and folder, while still being in the same Git repository. Karate can read *.csv files and will auto-convert them to JSON. #24: You can execute the scenario defined in @GetValue alone in the current file (=get.feature),. Billie Assuming you use JUnit, there are some good reasons for the recommended (best practice) naming convention and choice of file-placement shown above: For details on what actually goes into a script or *.feature file, refer to the syntax guide. You can use karate.abort() like so: Using karate.abort() will not fail the test. The Runner.Builder API has a dryRun() method to switch this on. While this sounds dangerous and should be used with care (and limits readability), the reason this feature exists is to quickly set (or over-write) a bunch of config variables when needed. For performance reasons, you can implement enableForUri() so that this activates only for some URL patterns. Billie,LOL "b": 2, A common requirement is to pass dynamic parameter values via the command line, and you can use the karate.properties['some.name'] syntax for getting a system property passed via JVM options in the form -Dsome.name=foo. And if you have a Scenario Outline, this happens for every row in the Examples. You can optionally pass in variable values or over-ride config via a HashMap or leave the second-last argument as null. To do that, add the following: And then the above command in Gradle would look like: The recommended way to define and run test-suites and reporting in Karate is to use the parallel runner, described in the next section. right: 1496 Multi-value headers (though rarely used in the wild) are also supported: Also look at the headers keyword which uses JSON and makes some kinds of dynamic data-driven testing easier. This is technically not in the key-value form: multipart field name = 'foo', but logically belongs here in the documentation. When expressing expected results (in JSON or XML) you can mark some fields to be ignored when the match (comparison) is performed. Note that the ? Open a feature file after you have installed the plug-in. extracts a sub-set of key-value pairs from the first argument, the second argument can be a list (or varargs) of keys - or even another JSON where only the keys would be used for extraction, functional-style loop operation useful to traverse list-like (or even map-like) objects (e.g. For convenience, some stats are logged to the console when execution completes, which should look something like this: The parallel runner will always run Feature-s in parallel. The classpath is a Java concept and is where some configuration files such as the one for logging are expected to be by default. There are a few situations where this comes in handy: As a convenience, you can omit the eval keyword and so you can shorten the above to: This is very convenient especially if you are calling a method on a variable that has been defined such as the karate object, and for general-purpose scripting needs such as UI automation. It gets the value of any Java system-property by name. Until now, I have shown you run your test cases directly on feature files. You can imagine how you could evolve a nice set of utilities that validate all your domain objects. function() { A karate-timeline.html file will also be saved to the report output directory mentioned above (target/karate-reports by default) - which is useful for visually verifying or troubleshooting the effectiveness of the test-run (see video). If you are looking for ways to do something only once per feature or across all your tests, see Hooks. Another good thing that Karate inherits is the nice IDE support for Cucumber that IntelliJ and Eclipse have. You can even initialize the JSON in a separate step and pass it by name, especially if it is complex. You can always directly access the variable called responseHeaders if you wanted to do more checks, but you typically wont need to. So in dev mode you can easily set this behavior like this. 1234

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