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In this video we're going to try to write out a test or two around these sign out functionality.

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Now once again just like the last video we're not really going to see anything that new in the world

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of testing.

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So if you really just want to get on to some the more interesting stuff.

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Skip to the next video once again.

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Otherwise stick around and let's write out a single test around these sign out root handler so once

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again inside my test directory I'll make a new file of sign out that test out.

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Yes at the top we will import request from two protest and app from up to directories at.

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So as you guess all we really want to do here is attempt to sign up for an account.

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Once we sign up we should be it logged in.

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And then after that we'll make a another request to sign out and we should be able to make a assertion

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on the response we get back.

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Something to say that the cookie has been cleared or something like that.

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We'll probably have to inspect the actual response that gets sent back to figure out exactly how to

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write out this expectation.

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Let's just get started writing out the test first put together in its statements out of here.

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We'll say it.

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Here's the cookie.

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After signing out

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inside of here again we need to first sign up for an account so that we are authenticated.

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We'll do in a wait.

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Request over to app.

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I'll make a post to API users sign up and we'll send off an email that is valid and a password that

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is valid as well.

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And then once again we will make sure that we get back a status code of not one but two a one.

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So again this is just gonna make sure that we are successfully signed up.

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Then after that we will make our request.

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It's going to be a post request to API users sign out.

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And again on the response we should be able to inspect that set cookie header and figure out exactly

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what gets sent back when when we sign out we'll have to console log that thing to figure out exactly

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how we should write that assertion we'll do a concert response is a weight request to app.

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We'll do a post in this case to API users sign out in this case

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we're gonna send along an anti object because it is a post request and then we will expect to get back

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again a 200 the 200 is not strictly necessary here or this expectation.

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It's really just to say hey we completed the request successfully.

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Now we need to do a console log on that response and take a look at exactly what happens to that set

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cookie header when we tried to clear that session.

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So I will do for right now just a console log of response dot get set.

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Cookie.

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All right we'll save this.

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Go back over to our terminal.

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We've got that new test file inside there and there is our console log so it looks like whenever we

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try to sign out we get back an empty session right there.

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Essentially we're saying this to no data and the cookie is also set to expire way long ago in the past.

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So we could tried to just copy this thing right here entirely and say that the set cookie header should

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be equal to this.

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That be one strategy I could really just copy that.

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Maybe just that string right there

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and then put in an expectation that looks like expect response that get that cookie.

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That gives us back an array as you just saw.

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So it is an array so we can take a look at the first entry inside there and we could say that must be

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equal to and then put in that exact string that we saw inside of our terminal.

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So again this will be one approach right here.

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Alternatively we could just say set cookie is defined as we had previously.

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That would also be on a percent valid.

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It's really up to you.

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I don't really expect the response right here or the structure to ever change.

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I think that it will always look like this forever.

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So I feel kind of okay using that string.

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But again if you want to have a little bit more generic expectation you could once again just say oh

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yeah that set cookie a header is defined either way totally fine.

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All right I am going to save this and run the test just one time to make sure it works.

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I'll pull it back over.

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Very good.

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All right.

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Well that is it for sign out.

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So now got to move on with pause and then take a look at current user which is going to have some new

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stuff that we're going to have to consider.

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We'll see you in just a moment.