The toHaveBeenCalledTimes() matcher is passed the number 1 as an argument, to which it returns true, and the spec passes. Have a question about this project?

This is the case, where … node.js - tomatchsnapshot - jest tohavebeencalledwith multiple calls . Learn more.

I might be just too late, but why not use, I assume it was not an option 4 years ago. privacy statement. the method will be equal to the first spy.. if are already spying on a method and you want the original method to be called instead you should call andCallThrough() which will override the first spy behavior. The toHaveBeenCalledWith matcher supports arguments from a single call only because there's no clear way to distinguish between calls in the matcher arguments. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. You signed in with another tab or window. It returns true if the spy was called. Expected spy get to have been called with [ 0, 0 ] but was called with [ [ 0 ], [ 0 ] ]

Hope this helps. Sign in Using Jest, how can I check that an argument to a mocked function is a function? they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. expect($.fn.get).toHaveBeenCalledWith([0],[0]); I believe the problem is that Jasmine is using a simple == or === comparison, rather than comparing the elements of arguments individually. In order to create a mock with multiple …

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By clicking “Sign up for GitHub”, you agree to our terms of service and Learn more, toHaveBeenCalledWith fails with multiple arguments. Have a question about this project? GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Whoops - the problem was a formatting issue. to your account, expect($.fn.get).toHaveBeenCalledWith(0,0); The toHaveBeenCalledWith matcher will return true if the argument list matches any of the recorded calls to the spy. but it does not work.

We consider the constructor function below, The toHaveBeenCalled() matcher verifies whether the spied method has been called or not. And why @ragaskar you said that it's unclear?

to your account. The toHaveBeenCalledWith() matcher returns true and the spec passes

how about using spy.args We use essential cookies to perform essential website functions, e.g. so how to test function that is being invoked for example ten times sequentially but with different arguments? The toHaveBeenCalledWith matcher supports arguments from a single call only because there's no clear way to distinguish between calls in the matcher arguments. Learn more. Already on GitHub? Expected spy to have been called with [ [ 'baz', 'qux' ] ] but was called with [ [ 'baz', 'qux' ] ]. they're used to log you in.

For more information, see our Privacy Statement. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. You signed in with another tab or window. Jasmine doesn't currently have a way to verify order of calls, and toHaveBeenCalledWith will probably never be modified to verify multiple spy invocations in the same matcher call. Am I missing something? The following spec returns true as the method circumference() is called, The toHaveBeenCalledWith() matcher verifies whether the spied method has been called with the right argument(s). setting isSpy to false is a very bad idea, since then you spy on a spy and when Jasmine clears the spies at the end of your spec you won't get the original method. @deresegetachew spy.calls.allArgs() is part of the public interface of a spy in Jasmine, whereas spy.args is part of the internal implementation of a spy, and not intended for external use. Already on GitHub? Thanks for using Jasmine! Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g.

In this tutorial, we illustrate the workings of the toHaveBeenCalled(), toHaveBeenCalledWith() and toHaveBeenCalledTimes() spy matchers. Calls to describe can be nested, with specs defined at any level. In the spec below, the circumference() method is called upon by passing the argument 2. How do I work this? i used something like this expect(this.spy.args).to.be.eql([[1],[2],[3],[1],[4]]); where the nested array values are the arguments passed to the function. This allows a suite to be composed as a tree of functions. I suppose that we should have smth like this toHaveBeenCalledWith([1], [2], ...[10]). Successfully merging a pull request may close this issue. Match calls with function in arguments. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. In the spec below, the circumference() method is called upon by passing the argument 2. Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

jest.toHaveBeenCalledWith(): asserting on parameter/arguments for call(s) Given the following application code which has a counter to which we can add arbitrary values, we’ll inject the counter into another function and assert on the counter.add calls. I seem to be having the same problem, Actually, I found out that you can use the obj.method.calls.allArgs() for this to work. It returns true if there has been any one call with the matching argument(s).

By clicking “Sign up for GitHub”, you agree to our terms of service and We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. This example also shows how you can nest multiple asymmetric matchers, ... .toHaveBeenCalledWith(arg1, arg2, ...) Also under the alias: ... (also known as "deep" equality). You can always update your selection by clicking Cookie Preferences at the bottom of the page.

Sign up for free to join this conversation on GitHub . Expected spy to have been called with [ [ 'baz', 'qux' ] ] but was called with [ 'baz', 'qux' ].

I was fustrated that this wasn't working and I found out that you can use the obj.method.calls.allArgs() for this to work. The toHaveBeenCalledWith() matcher verifies whether the spied method has been called with the right argument(s). It's pretty much clear when jasmine will start collecting args in the order how they were invoked. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. See Running the examples to get set up, then run: npm test src/to-have-been-called-with.test.js Actually, I found out that you can use the obj.method.calls.allArgs() for this to work This issue was closed . they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. It calls Object.is to compare primitive values, which is even better for testing than === strict equality operator. The toHaveBeenCalledTimes() matcher verifies whether the spied method has been called a specified number of times (which is passed as an argument). I know I can check the args directly with argsForCall but I think toHaveBeenCalledWith reads better and is more appropriate. Learn more, toHaveBeenCalledWith works not with multiple calls. We use essential cookies to perform essential website functions, e.g. We’ll occasionally send you account related emails. $(selector).get(0); is called twice in the function I'm testing. Therefore, will not be able to use toHaveBeenCalledWith, for this kind of tests. @jamesarosen What was the formatting issue? Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. If you want to check the arguments for multiple calls to your spy, you should use toHaveBeenCalledWith multiple times. It returns true if there has been any one call with the matching argument(s). In the following spec, the circumference() method is called upon once. they're used to log you in.

Expected spy get to have been called with [ [ 0 ], [ 0 ] ] but was called with [ [ 0 ], [ 0 ] ]

You can always update your selection by clicking Cookie Preferences at the bottom of the page. Successfully merging a pull request may close this issue. expect($.fn.get).toHaveBeenCalledWith([ [0],[0] ]);

Expected spy get to have been called with [ [ [ 0 ], [ 0 ] ] ] but was called with [ [ 0 ], [ 0 ] ]. Hope it helps :). I'd suggest writing a custom matcher with a prescribed argument convention of your choice, which under the hood calls argsForCall or calls.args. It's unlikely we will add support for matching across multiple calls. The toHaveBeenCalledWith() matcher returns true and the spec passes.

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