How can I return a pact with a string body regex?

[huehnerlady]

Hi,

I would like to create a pact that loads a theme

I have the following:

  function standardTestInteraction() {
    return new PactV4({
      consumer: 'CONSUMER',
      provider: 'PROVIDER',
    })
      .addInteraction()
      .uponReceiving('receiving theme')
      .withRequest('GET', '/theme/variables.css', builder => {
        builder.query({
          partnerId: '123',
        });
      })
      .willRespondWith(200, builder => {

// here I want to expect a content type `text/css` and the response should be a string with the regex ':root\s*{.*\s*[^}]*\s*}'

      });
  }

An example should be

:root {
    --xp-ref-variable: #ffffff !important;
}    

any idea how I can do that?

So far I always used builder.jsonBody and added MatchersV3.like(<jsonObject> in.

[mefellows]

I think you should just set the content type you want, I believe it will check the payload is of the correct type (not just the header). I don't think a regex would be a useful addition here.

Regardless, matchers are only supported for JSON payloads

[huehnerlady]

I think you should just set the content type you want, I believe it will check the payload is of the correct type (not just the header).

How do I do that using the V4ResponseBuilder?

I don't think a regex would be a useful addition here.

Why do you not think that useful?

matchers are only supported for JSON payloads

so you mean I cannot match a simple string response, but can only give a string that the provider also has to return to pass it?

[huehnerlady]

I have now this pact setup:

 function standardTestInteraction() {
    return new PactV4({
      consumer: 'CONSUMER',
      provider: 'PROVIDER',
    })
      .addInteraction()
      .uponReceiving('receiving theme')
      .withRequest('GET', '/theme/variables.css', builder => {
        builder.query({
          partnerId: '123',
        });
      })
      .willRespondWith(200, builder => {
        const body = Buffer.from(':root {}');
        builder.headers({ 'Content-Type': 'text/css' });
        builder.body('text/plain', body);  // 'text/plain' seems to be needed on provider side here ¯\_(ツ)_/¯
      });
  }

but when I check the pact, I do not get any matchers in regards to headers. What do I need to do to add a headers section in my pact?

Pact

{
  "consumer": {
    "name": "CONSUMER"
  },
  "interactions": [
    {
      "description": "receiving theme",
      "pending": false,
      "request": {
        "method": "GET",
        "path": "/themes/variables.css",
        "query": {
          "partnerId": [
            "123"
          ]
        }
      },
      "response": {
        "body": {
          "content": "OnJvb3Qge30=",
          "contentType": "*/*",
          "encoded": "base64"
        },
        "headers": {
          "Content-Type": [
            "text/css"
          ]
        },
        "matchingRules": {
          "body": {
            "$": {
              "combine": "AND",
              "matchers": [
                {
                  "match": "contentType",
                  "value": "text/plain"
                }
              ]
            }
          },
          "header": {},
          "status": {}
        },
        "status": 200
      },
      "type": "Synchronous/HTTP"
    }
  ],
  "metadata": {
    "pact-js": {
      "version": "13.1.2"
    },
    "pactRust": {
      "ffi": "0.4.21",
      "models": "1.2.2"
    },
    "pactSpecification": {
      "version": "4.0"
    }
  },
  "provider": {
    "name": "PROVIDER"
  }
}

[huehnerlady]

@mefellows do you maybe have an idea?