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We've now finished up our first post service.
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It's time to now test this thing out.
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Now later on INSIDE the course we're going to eventually start to write some automated tests to make
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sure that all of our services work as expected.
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This is a really important aspect of micros services and we're going to go into great detail on it over
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time.
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But for this very first service we're gonna test it out manually to test out our service manually.
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We're going to use a very simple API client.
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So I'm going to go to post man dot com and find the postman API client Tester.
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Now this is a very small desktop application that you can use to make arbitrary API requests to any
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given endpoint.
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We're going to use postmen to test out this personal service or to do that we put together just to save
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ourselves a little bit of time.
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If you do not want to download and install post van that's totally OK.
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This step is really optional I just want to make sure that our services are working as expected to go
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ahead and download the application.
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If you have not already.
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Once you download the app you can open it up and you'll see a window like this right here.
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Inside of this window we're going to open up a new tab on the top left hand side and we'll customize
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a request that we're going to issue to our post API.
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I'm going to first get started by attempting to create a new post so I'll change the method.
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Other requests we're going to make to post and I'll make a request to a local host offline 4000 slash
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posts I'll then go to the headers Tab I'm going to specify a header here with a key of content dash
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type I'll give that a value of application.
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Jason and then of course we need to add in a body to the request and specify the title of the post we're
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trying to make log over to the body Tab I'm going to select raw and I'll make sure that over here on
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the right hand side at this dropdown is set to Jason.
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We're then going to write out a little bit of Jason data to send to our API we'll put down a set of
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curly braces.
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I'm going to put in a key inside of double quotes because this is Jason we're writing right here not
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javascript code.
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I'll give it a title of first post like so once I've got that all put together.
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I'll then send the request off and then down here at the bottom.
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I should see a status and a response of to a one created and I should see the I.D. and title of the
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post that we just made.
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OK.
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So it looks pretty good.
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Now let's do another quick test.
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We're going to make sure that we can retrieve all the posted have been created.
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So I'm going to make a new tab inside of postman.
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I'll make sure that I'm going to make a get request while entering a request you are out of look close
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to 4000 such posts.
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I'll go to headers I'll put in content type of application Jason and then in this case because we're
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making a get request no body required.
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Let's go ahead and send it right away.
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And there we go.
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So we can now see our posts coming back to us in the form of one big giant object.
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Let's say this thing it looks like it's working correctly now as a quick reminder if we make any change
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to our code inside of our project that's going to restart our server and because we are storing all
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of our posts in memory all of our post will be automatically dumped.
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If I go back over to my editor right now and I just add and say some comment right here and save the
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file I've now restarted my server automatically because we're making is some node man.
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So if I go back over to postman and make another get request I will no longer have any posts.
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So just something to be aware of at some point time if you make any change you're going to start to
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dump a lot of data OK.
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So I'd say that our postal service is working correctly now we're not going to do a lot of testing like
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this throughout the course.
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Manual testing is what I mean we are can do a lot of testing automated testing.
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So we're going to now take a break.
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We're going to come back next video.
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We're gonna start to put together our comment service.
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Now I'm probably going to leave it to you to do a test with post man really quickly to make sure their
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comment service works as expected as well.
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