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karate framework for ui automation

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. """, # note how we returned an array from the above when the condition was met, # and now we can use the results like normal. Any valid XPath expression is allowed on the left-hand-side of a match statement. By now, it should be clear that JsonPath can be very useful for extracting JSON trees out of a given object. You also have the option of setting multiple cookies in one-step using the cookies keyword. There are multiple Karate API testing examples we are going to show you in this series. Sending a file as the entire binary request body is easy (note that multipart is different): The HTTP verb - get, post, put, delete, patch, options, head, connect, trace. For details of scope and visibility of variables, see Script Structure. The documentation on how to run tests via the command line has an example of how to use tags to decide which tests to not run (or ignore). Uses the configured highlightDuration. This is really convenient in dev-local mode. If the argument passed to the call of a *.feature file is a JSON array, something interesting happens. """, # given this invalid input (string instead of number), # but this 'combined form' will fail, which is what we want, # * match date == { month: '#number? The keywords Given When Then are only for decoration and should not be thought of as similar to an if - then - else statement. Also note how you can wrap the LHS of the match in parentheses in the rare cases where the parser expects JsonPath by default. When you have a runner class in place, it would be possible to run it from the command-line as well. Karate Ui automation. Might be desirable instead of, useful to brute-force all keys and values in a JSON or XML payload to lower-case, useful in some cases, see, functional-style map operation useful to transform list-like objects (e.g. It is always start with Question mark (?). You can replace the values of com.mycompany and myproject as per your needs. So how can you get this value injected into the Karate configuration ? Karate Framework for web automation. # and even ignore fields at the same time ! Use either the param keyword, e.g. By default, all actions such as click() will not be re-tried - and this is what you would stick to most of the time, for tests that run smoothly and quickly. This is a normal JUnit 4 test class ! Simple, clean syntax that is well suited for people new to programming or test-automation. It returns the Element representation of whichever element was found first, so that you can perform conditional logic to handle accordingly. The default setting for the max retry-attempts is 3 with a poll interval of 3000 milliseconds (3 seconds). For JSON, you can also use the JS delete operator via eval, useful when the path you are trying to mutate is dynamic. JsonPath and Karate expressions are not supported. See also responseStatus if you want to do some complex assertions against the HTTP status code. Note: In GET API request, we do not need to provide the body (payload). Both the official Visual Studio Code and IntelliJ plugins support step-through debugging of Karate tests. When eyeballing a test-script, think of the * as a bullet-point. The classpath is a Java concept and is where some configuration files such as the one for logging are expected to be by default. For some SPAs (Single Page Applications) the detection of a page load may be difficult because page-navigation (and the browser history) is taken over by JavaScript. Technology Partner But to be able to run JUnit 5 tests from the command-line, you need to ensure that the latest version of the maven-surefire-plugin is present in your project pom.xml (within the / section): To run a single test method, for example the testTags() in the example above, you can do this: Also look at how to run tests via the command-line and the parallel runner. IMPORTANT: There are some restrictions when using callonce or karate.callSingle() especially within karate-config.js. This will always hold the contents of the response as a byte-array. Since a scroll() + click() (or input()) is a common combination, you can chain these: This returns an instance of Mouse on which you can chain actions. The steps which are defined under background will run before each and every scenario for a feature file. It is also possible to invoke a feature file via a Java API which can be useful in some test-automation situations. var sdf = new SimpleDateFormat('yyyy/MM/dd'); The set of built-in functions that start with wait handle all the cases you would need to typically worry about. Refer to the documentation for cookie for details and how you can disable this if need be. Navigates to a new page / address. all the key-value pairs are added to the HTTP headers. The scenario expression result is expected to be an array of JSON objects. { "roomInformation": [{ "roomPrice": 618.4 }], "totalPrice": 618.4 }, Gherkin has a great way to sprinkle meta-data into test-scripts - which gives you some interesting options when running tests in bulk. A common need is to move (or hover) the mouse, and for this you call the move() method. In some rare cases you need to exit a Scenario based on some condition. And this example may make it clear why using Karate itself to drive even your UI-tests may be a good idea. But if you need to use values in the response headers - they will be in a variable named responseHeaders. The contents of my-signin.feature are shown below. Also see waitForEnabled() which is the preferred short-cut for the last example above, also look at the examples for chaining and then the section on waits. * url myUrl. It typically ends up being a one-liner that appears in the Background section at the start of your test-scripts. # but using karate.range() you can even do this ! This should make it clear why Karate does not provide out of the box support for any particular HTTP authentication scheme. : * param myparam = 'value' or url: * url 'http://example.com/v1?myparam'. Karate supports JUnit 5 and the advantage is that you can have multiple methods in a test-class. """, # 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. Refer to polling.feature for an example, and also see the alternative way to achieve polling. { Important: do not use the @RunWith(Karate.class) annotation. # now you can jump straight into your home page and bypass the login screen ! If you want to pretty print a JSON or XML value with indenting, refer to the documentation of the print keyword. You use the listen keyword (with a timeout) to wait until that event occurs. Ideally it should return pure JSON and note that you always get a deep clone of the cached result object. But since the optional() API is designed to handle the case when a given locator does not exist, you can write some very concise tests, without needing to examine the returned object from waitForAny(). So most of the time this would be sufficient: Since it will result in the following request to the WebDriver /session: But in some cases, especially when you need to talk to remote driver instances, you need to pass specific shapes of JSON expected by the particular implementation - or you may need to pass custom data or extension properties. And Karate gives you control over these aspects with the small set of keywords focused on HTTP such as url, path, param, etc. The not equals operator != works as you would expect: You typically will never need to use the != (not-equals) operator ! Note that Map translates to JSON, and JavaBean getters and setters translate to JS properties - e.g. In addition to fields, field may either be on the right or below the label depending on whether the container element had enough width to fit both on the same horizontal line. Valid options are, The number of bits used to encode each pixel, The maximum size on the smallest dimension before downsampling. The wildcard locators are great when the human-facing visible text is within the HTML element that you want to interact with. 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. The feature is invoked for each item in the array. You would typically use these to simulate a user sign-in and then grab a security token from the response. Other UI automation frameworks spend a lot of time encouraging you to follow a so-called Page Object Model for your tests. While converting a number to a string is easy (just concatenate an empty string e.g. This is just a convenience short-cut for waitUntil(locator, "_.textContent.includes('" + expected + "')") since it is so frequently needed. Note the inline use of the read function as a short-cut above. e.g. """, Then match each response contains deep { a, # should be an array of strings with size 2, # each array element should have a 'length' property with value 3, # should be an array of strings each of length 3, """ function fn(x){ return x + 1 }. You can use the Visual Studio Karate entension for stepping through and debugging a test. scriptAll() can take a third argument which has to be a JavaScript predicate function, that returns a boolean true or false. 'name is Bob and age is 5', # the single cell can be any valid karate expression, * def generator = function(i){ if (i == 20) return null; return { name, Keywords that set multiple key-value pairs in one step, Managing Headers, SSL, Timeouts and HTTP Proxy, Matching Sub-Sets of JSON Keys and Arrays, mix Karate into Java projects or legacy UI-automation suites, Karate entered the ThoughtWorks Tech Radar, 7 New Features in Karate Test Automation Version 1.0, nested chunks of JSON that name-space your config variables, alternate way of calling JavaScript functions, exact same example implemented in REST-assured and TestNG, do not use this unless you know what you are doing, see above, Comparison engine(s) to use. This is very common in the world of Maven users and keep in mind that these are tests and not production code. """, # optional (can be null) and if present should be an array of size greater than zero, # should be an array of size equal to $.count, # use a predicate function to validate each array element, # if you prefer using 'pure' JsonPath, you can do this, # using the karate object if the expression is dynamic, """ The solution is to ensure that when Karate tests run, the JVM file.encoding is set to UTF-8. This is more compact, and is especially useful for expressions that do not start with the current DOM element. Empty cells or expressions that evaluate to null will result in the key being omitted from the JSON. """, """ 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. } We can return JSON and even an image using a mock like this: Refer to the Karate test-doubles documentation for details. The recipe for doing this when running Maven from the command line is: You can refer to the documentation of the Maven Surefire Plugin for alternate ways of achieving this, but the argLine approach is the simplest and should be more than sufficient for your Continuous Integration or test-automation needs. Refer to the section on XPath Functions for examples of advanced XPath usage. So an additional rule in the above flow of rules (before the first step) is as follows: Karate scripts are technically in Gherkin format - but all you need to grok as someone who needs to test web-services are the three sections: Feature, Background and Scenario. You can see a demo video here. The function is expected to return a JSON object and all keys and values in that JSON object will be made available as script variables. If you are trying to build dynamic URLs including query-string parameters in the form: http://myhost/some/path?foo=bar&search=true - please refer to the param keyword. If you use the provided ScenarioRuntime.logger instance in your Target code, any logging you perform will nicely appear in-line with test-steps in the HTML report, which is great for troubleshooting or debugging tests. Some XPath expressions return a list of nodes (instead of a single node). math Karate has 6100 GitHub stars and is used by 37 of the Fortune 500 companies. Also see this thread. This does the same thing as the timeout key in the driver config - but is designed so that you can change this on the fly, during the flow of a test. This is typically combined with multipart file as shown below. Sending GET, POST, PUT, PATCH and DELETE requests via Karate framework 3. And this assertion will cause the test to fail if the HTTP response code is something else. Now you can use the path of the batch file in the driver executable config. This is especially useful when you want to maintain passwords, secrets or even URL-s specific for your local dev environment. You could always do this in two steps: As a convenience, embedded expressions are supported on the Right Hand Side of a match statement even for quoted string literals: And do note that in Karate 1.0 onwards, ES6 string-interpolation within backticks is supported: An alternative to embedded expressions (for JSON only) is to enclose the entire payload within parentheses - which tells Karate to evaluate it as pure JavaScript. So trying to use driver.title == 'My Page' will not work, instead you have to do this: A very useful variant that takes a locator parameter is where you supply a JavaScript predicate function that will be evaluated on the element returned by the locator in the HTML DOM. subType: { name: 'Smith', deleted: false } While $ always refers to the JSON root, note the use of _$ above to represent the current node of a match each iteration. One nice thing about the design of the Gherkin syntax is that script-steps are treated the same no matter whether they start with the keyword Given, And, When or Then. This is great for testing boundary conditions against a single end-point, with the added bonus that your test becomes even more readable. for (var n in nums) { In below image we can see I have created feature file. For tests that need to wait for slow pages or deal with un-predictable element load-times or state / visibility changes, Karate allows you to temporarily tweak the internal retry settings. In rare cases you may want to suppress the default of Scenario-s executing in parallel and the special tag @parallel=false can be used. Do look at the documentation and example for configure headers also as it goes hand-in-hand with call. """, # in this case the solitary 'call' argument is of type string. This means that you cannot use any Karate JS objects or API-s such as karate.get() or driver.title. if you acquired a string from some external source, or if you generated JSON (or XML) by concatenating text or using replace, you may want to convert a string to JSON and vice-versa. Karate Labs is an industry leading open-source test automation solution unifying API & UI test automation. Note how even tags to exclude (or include) can be specified: Note that any Feature or Scenario with the special @ignore tag will be skipped by default. Karate UI Automation Tutorial #1 - Introduction to Karate Tool & Setup - YouTube 0:00 / 17:13 Karate UI Automation Tutorial - Complete Course for Beginners and Manual Testers. name: 'Billie', A common use case is to mix API-calls into a larger test-suite, for example a Selenium or WebDriver UI test. First, you can maintain a JSON map of your application locators. Allowed keystore types are as described in the, if all server certificates should be considered trusted. downloadLatestFn('custom_latest.png') You can see what the result looks like here. If you are behind a corporate proxy, or especially if your local Maven installation has been configured to point to a repository within your local network, the command below may not work. and & will be automatically inserted. The advantage of this approach is that it works with any of the actions. Here is a good example in the demos: dynamic-params.feature, The single JSON argument needs to be in the form { field1: { read: 'file1.ext' }, field2: { read: 'file2.ext' } } where each nested JSON is in the form expected by multipart file. There should always be karate-config.js in the root folder, even if you dont have any common config. 12341234 You can always directly access the variable called responseHeaders if you wanted to do more checks, but you typically wont need to. Useful for match contains assertions. And as a testing framework, Karate discourages tests that give different results on every run. To avoid problems, stick to the pattern of using double-quotes to wrap the JavaScript snippet, and you can use single-quotes within. Remove elements from a list in karate? 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. Example: In an application testing if we are login the application in each scenario then we can put the login scenario under background. This is useful when you want to express a one-off lengthy snippet of text in-line, without having to split it out into a separate file. For convenience, you can have multiple expressions separated by commas, so this is the recommended pattern: Similar to assert, the expressions on the right-hand-side of a print have to be valid JavaScript. 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