_ > 0'. You can still perform string comparisons such as a match contains and look for error messages etc. Step 1 - Create a Gradle project. Create a feature file under src/test/resources. But one pattern that you should be aware of is that JSON is actually a great data-structure for looking up data. Observe how the get shortcut is used to distill the result array of variable envelopes into an array consisting only of response payloads. Load testing. rev2023.3.3.43278. all the key-value pairs are added to the HTTP headers. Refer to the documentation for cookie for details and how you can disable this if need be. They can be very useful in some situations. I tryed the, @LorenzoNardi no other than just use a tag. 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. 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. What are the most important features of karate? To test a specific feature in karate I run: mvn test -Dkarate.options="classpath:myfeature.feature". If you want to keep the level as DEBUG (for HTML reports) but suppress logging to the console, you can comment out the STDOUT root appender-ref: Or another option is to use a ThresholdFilter, so you still see critical logs on the console: If you want to exclude the logs from your CI/CD pipeline but keep them in the execution of your users in their locals you can configure your logback using Janino. Herea table of the alternative in-line forms compared with the standard form. For a proxy that requires authentication, set the, The charset that will be sent in the request, HTTP requests and responses (including headers) will appear in the HTML report, default. foo: 'hello', this is what most teams do. KarateIDE is: A Test Runner/Debugger and REST Client that uses KarateDSL to explore your API, import/export from cURL and generate tests/mocks from OpenAPI. # using a static method - observe how java interop is truly seamless ! "arr": [ It is the opinion of the author of Karate that true BDD is un-necessary over-kill for API testing, and this is explained more in this answer on Stack Overflow. So you get the best of both worlds: the elegance of JSON to express complex nested data - while at the same time being able to dynamically plug values (that could even be other JSON or XML trees) into a template. If you want to use JUnit 4, use the karate-junit4 Maven dependency instead of karate-junit5. It consists of the diamond-shaped Singapore Island and some 60 small islets; the main island occupies all but about 18 square miles of this combined area. While $ always refers to the JSON root, note the use of _$ above to represent the current node of a match each iteration. object.name. if there is no matching tag - that the Examples without a tag will be executed. intuit. Short story taking place on a toroidal planet or moon involving flying, Doesn't analytically integrate sensibly let alone correctly, Full text of the 'Sri Mahalakshmi Dhyanam & Stotram', Equation alignment in aligned environment not working properly. Asking for help, clarification, or responding to other answers. Typical symptoms are your tests working fine via the IDE but not when running via Maven or Gradle. Each array element is expected to be a JSON object, and for each object - the behavior will be as described above. Here are some example assertions performed while scraping a list of child elements out of the JSON below. A Gherkin file is saved with the ".feature" extension. HTML form fields would be URL-encoded when the HTTP request is submitted (by the method step). Git) to ignore karate-config-*.js if needed. The special tag @report=false can be used, and it can even be used only for a single Scenario: In cases where you want to mask values which are sensitive from a security point of view from the output files, logs and HTML reports, you can implement the HttpLogModifier and tell Karate to use it via the configure keyword. path to file containing the trust chain for your server certificate. If you use commas (instead of concatenating strings using +), Karate will pretty-print variables, which is what you typically want when dealing with JSON or XML. This capability is triggered when the table consists of a single cell, i.e. Why is there a voltage on my HDMI and coaxial cables? Karate Tests you can immediately run, with validation, inline payload examples and . You can organize multiple common utilities into a single re-usable feature file as follows e.g. For performance reasons, you can implement enableForUri() so that this activates only for some URL patterns. {2}', id: '#uuid' }, # convenient (and recommended) way to check for array length, # here we enclose in round-brackets to preserve the optional embedded expression, # so that it can be used later in a "match", """ Some characters such as the hyphen - are not permitted in lenient JSON keys (because they are interpreted by the JS engine as a minus sign). Everything to the right of the assert keyword will be evaluated as a single expression. You can select a single Scenario (or Scenario-s or Scenario Outline-s or even specific Examples rows) by appending a tag selector at the end of the feature-file you are calling. Refer to the demo karate-config.js for an example and how the demo.server.port system-property is set-up in the test runner: TestBase.java. It is actually a transpose of the table approach, and can be very convenient when there are a large number of keys per row or if the nesting is complex. This can be really convenient, for example to never run some tests in a certain production like or sensitive environment. Note how JS functions defined at run-time can be mixed with custom Java code to get things done. karate.appendTo(vals, y); To run only a single scenario, append the line number on which the scenario is defined, de-limited by :. If you don't want to run Gatling tests as part of the normal Maven test lifecycle, you can avoid the <executions> section as described previously.. Gradle . So if you return complex objects such as a custom Java instance or a JS function that depends on complex objects, this may cause issues when you run in parallel. """, # in this case the solitary 'call' argument is of type string. _ > 0' }, # when validation logic is an 'equality' check, an embedded expression works better, Then match temperature contains { fahrenheit, # when the response is binary (byte-array), # incidentally, match and assert behave exactly the same way for strings, # if b can be present (optional) but should always be null, """ Note that this is not supported for arrays like above, and you can have only one value column. karate.set('temp', squares); The name of the class doesn't matter, and it will automatically run any *.feature file in the same package. } status: '#number? But there are cases where you need to take custom actions like saving a response to a file, file reading or writing, etc. Alternatively, if using Gradle then add the following sourceSets definition. env which is a global variable. Given this custom, user-defined Java class: This is how it can be called from a test-script via JavaScript, and yes, even static methods can be invoked: Note that JSON gets auto-converted to Map (or List) when making the cross-over to Java. Bob,Wild One extra convenience for JSON is that if the variable itself (which was cat in the above example) does not exist, it will be created automatically. We can execute the scenarios in the feature file using maven (which is useful to run the tests in a CI environment) import com. What is even more interesting is that expressions can refer to variables: And functions work as well ! deleted: false The following parameters are supported: For end-to-end examples in the Karate demos, look at the files in this folder. You can always use a JavaScript switch case within an eval or function block. Speciality. We suggest that you have a folder hierarchy only one or two levels deep - where the folder names clearly identify which resource, entity or API is the web-service under test. 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. Or - if a call is made without an assignment, and if the function returns a map-like object, it will add each key-value pair returned as a new variable into the execution context. 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. * 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, """ And Karate gives you control over these aspects with the small set of keywords focused on HTTP such as url, path, param, etc. To check whether particular field in response is present and not null using match !null To assert response by ignoring value of particular field So, first lets understand what is response in Karate. Note that more builder methods are available from the Runner.Builder class such as reportDir() etc. You can easily select (double-click), copy and paste this file: URL into your browser address bar. It typically ends up being a one-liner that appears in the Background section at the start of your test-scripts. } function (customConfigJson, config) { If you are just trying to pre-define schema snippets to use in a fuzzy-match, you can use enclosed Javascript to suppress the default behavior of replacing placeholders. In rare cases, e.g. }, Just ensure that this is configured before you use karate.callSingle(): By default Karate will use target (or build) as the cache folder, which you can over-ride by adding a dir key: This caching behavior will work only if the result of karate.callSingle() is a JSON-like object, and any JS functions or Java objects mixed in will be lost. Then we can send the JSON variable to the other feature file using the call method and be sending the JSON variable, in this case, emailAddress.