dive-into-wiremock

Code for the YouTube videos:

• Part 1: https://youtu.be/0fyGWhGN6y8
• Part 2: https://www.youtube.com/watch?v=hUv2rpqd3KU

Getting started with WireMock

The easiest way is to run the JAR from command-line. To do that look at the WireMock docs under standalone (http://wiremock.org/docs/running-standalone/) and download the JAR file. Now from terminal (command-line) run the JAR file using the java -jar argument, for example java -jar wiremock-jre8-standalone-2.31.0.jar.

You should see an ascii logo of WireMock and an indication of the port it's running at.

Now you can interact with it using curl of a rest-client. The rest-client I'm using in the video is Insomnia REST client but you can use any other client.

Docker

docker pull wiremock/wiremock docker run -it --rm -p 8080:8080 wiremock/wiremock Note: depending on your setup, you might want to call wiremock with sudo (like also in the video).

Add new mappings

You can post to <url>/__admin/mappings/new for example

{
    "request": {
        "method": "GET",
        "url": "/api/mytest"
    },
    "response": {
        "status": 200,
        "body": "More content\n"
    }
}

You can also put the above snippet in the mappings dir.

Files as JSON body

• Create a mapping and assign bodyFileName the value of the location of a JSON file.

{
    "request": {
        "method": "GET",
        "url": "/body-file"
    },
    "response": {
        "status": 200,
        "bodyFileName": "example.json"
    }
}

Running Wiremock and recoding

In part 2 video I show an example of the recorder where I show behavior that is not expected https://youtu.be/hUv2rpqd3KU?t=461 ... Later I saw that using the command as shown below indeed works as expected.

java -jar wiremock-jre8-standalone-2.31.0.jar --port 8080 \
  --proxy-all="http://example.mocklab.io" \
  --record-mappings \ 
  --verbose 

So use above command if you want to have rec and play.

Demo app

• The demo app is based on the tutorial
• https://github.com/miguelgrinberg/microblog/

References

• WireMock http://wiremock.org
• Insomnia Rest client https://insomnia.rest
• WireMock on Docker Hub https://hub.docker.com/r/wiremock/wiremock
• WireMock rec & play at the same time https://stackoverflow.com/questions/40743569/can-wiremock-play-and-record-be-used-at-the-same-time