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<#1108 Incorrect response with header Content-Type...
# pact-js-development
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#1108 Incorrect response with header Content-Type application/xml in PactV3 Issue created by donche129 Software versions • OS: Mac OSX 13.5 • Consumer Pact library: Pact JS v12.0.0 • Node Version: v18.16.0 Issue Checklist Please confirm the following: ☑︎ I have upgraded to the latest ☑︎ I have the read the FAQs in the Readme ☑︎ I have triple checked, that there are no unhandled promises in my code and have read the section on intermittent test failures ☑︎ I have set my log level to debug and attached a log file showing the complete request/response cycle ☑︎ For bonus points and virtual high fives, I have created a reproduceable git repository (see below) to illustrate the problem Expected behaviour Able to set the expected response 
Content-Type
header to 
application/xml
and be able to match the response to valid xml. Actual behaviour When setting the interactions expected response 
Content-Type
header to 
application/xml
, the returned response from the pact mock server is always 
<?xml version='1.0'?>
Steps to reproduce Example repo here: https://github.com/donche129/pact-xml-issue Example test code:
Copy code
import chai from "chai";
import chaiAsPromised from "chai-as-promised";
import {
  SpecificationVersion,
  PactV3,
  LogLevel,
  MatchersV3,
} from "@pact-foundation/pact";
import axios from "axios";

chai.use(chaiAsPromised);

const { expect } = chai;

describe("Pact Consumer Test", () => {
  const pact = new PactV3({
    consumer: "myconsumer",
    provider: "myprovider",
    spec: SpecificationVersion.SPECIFICATION_VERSION_V3,
    logLevel: (process.env.LOG_LEVEL as LogLevel) || "debug",
    dir: "./logs"
  });

  const xmlBody = `<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  <images>
    <sized>
      <service id="1234">
        <image lastModified="00:00:00 1 Jan 2023" placement="square:x-small"><https://google.com/image1.svg</image>>
        <image lastModified="00:00:00 1 Jan 2023" placement="square:small"><https://google.com/imag2.svg</image>>
      </service>
    </sized>
    <presentationmap>
      <service id="1234">
        <image lastModified="00:00:00 1 Jan 2023" placement="PlacementOne"><https://google.com/image3.svg</image>>
        <image lastModified="00:00:00 1 Jan 2023" placement="PlacementTwo"><https://google.com/image4.svg</image>>
      </service>
    </presentationmap>
  </images>`

  it("creates a pact to verify", async () => {
    await pact
      .addInteraction({
        uponReceiving: "a request for a foo",
        withRequest: {
          method: "GET",
          path: "/",
          headers: {
            Accept: ["application/xml", "text/xml"],
          },
        },
        willRespondWith: {
          status: 200,
          headers: {
            "Content-Type": "application/xml; charset=utf-8",
          },
          body: MatchersV3.like(xmlBody),
        },
      })
      .executeTest(async (mockserver) => {
        const res = await axios.request({
          baseURL: mockserver.url,
          method: "GET",
          url: "/",
          headers: {
            Accept: ["application/xml", "text/xml"],
          },
        });

        console.log({ res: res.data })

        expect(res.data).to.equal(xmlBody);
      });
  });
});
Relevant log files ```
pact-repro-project@1.0.0 test:consumer
jest consumer.spec.ts
[173741.279] INFO (40827): 0.4.0: pact native library successfully found, and the correct version 2023-08-11T213741.295330Z DEBUG ThreadId(01) pact_plugin_driver:catalogue manager Updated catalogue entries: core/transport/http core/transport/https 2023-08-11T213741.310545Z DEBUG ThreadId(01) pact_plugin_driver:catalogue manager Updated catalogue entries: core/content-generator/binary core/content-generator/json core/content-matcher/json core/content-matcher/multipart-form-data core/content-matcher/text core/content-matcher/xml 2023-08-11T213741.310633Z DEBUG ThreadId(01) pact_plugin_driver:catalogue manager Updated catalogue entries: core/matcher/v1-equality core/matcher/v2-max-type core/matcher/v2-min-type core/matcher/v2-minmax-type core/matcher/v2-regex core/matcher/v2-type core/matcher/v3-content-type core/matcher/v3-date core/matcher/v3-datetime core/matcher/v3-decimal-type core/matcher/v3-includes core/matcher/v3-integer-type core/matcher/v3-null core/matcher/v3-number-type core/matcher/v3-time core/matcher/v4-array-contains core/matcher/v4-equals-ignore-order core/matcher/v4-max-equals-ignore-order core/matcher/v4-min-equals-ignore-order core/matcher/v4-minmax-equals-ignore-order core/matcher/v4-not-empty core/matcher/v4-semver 2023-08-11T213741.310925Z DEBUG ThreadId(01) pact_mock_server:mock server Started mock server on 127.0.0.1:53518 2023-08-11T213741.322235Z DEBUG tokio-runtime-worker hyper:protoh1io parsed 6 headers 2023-08-11T213741.322286Z DEBUG tokio-runtime-worker hyper:protoh1conn incoming body is empty 2023-08-11T213741.322332Z DEBUG tokio-runtime-worker pact_mock_server:hyper server Creating pact request from hyper request 2023-08-11T213741.322360Z DEBUG tokio-runtime-worker pact_mock_server:hyper server Extracting query from uri / 2023-08-11T213741.322442Z INFO tokio-runtime-worker pact_mock_server:hyper server Received request HTTP Request ( method: GET, path: /, query: None, headers: Some({"accept": ["application/xml", "text/xml"], "accept-encoding": ["gzip", "compress", "deflate", "br"], "user-agent": ["axios/1.4.0"], "host": ["127.0.0.1:53518"], "connection": ["close"]}), body: Empty ) 2023-08-11T213741.322541Z INFO tokio-runtime-worker pact_matching: comparing to expected HTTP Request ( method: GET, path: /, query: None, headers: Some({"Accept": ["application/xml", "text/xml"]}), body: Missing ) 2023-08-11T213741.322563Z DEBUG tokio-runtime-worker pact_matching: body: '' 2023-08-11T213741.322580Z DEBUG tokio-runtime-worker pact_matching: matching_rules: MatchingRules { rules: {HEADER: MatchingRuleCategory { name: HEADER, rules: {} }, PATH: MatchingRuleCategory { name: PATH, rules: {} }} } 2023-08-11T213741.322604Z DEBUG tokio-runtime-worker pact_matching: generators: Generators { categories: {} } 2023-08-11T213741.322658Z DEBUG tokio-runtime-worker pact_matching:matchers String -> String: comparing '/' to '/' ==> true cascaded=false matcher=Equality 2023-08-11T213741.322690Z DEBUG tokio-runtime-worker pact_matching: expected content type = '*/*', actual content type = '*/*' 2023-08-11T213741.322739Z DEBUG tokio-runtime-worker pact_matching: content type header matcher = 'RuleList { rules: [], rule_logic: And, cascaded: false }' 2023-08-11T213741.322827Z DEBUG tokio-runtime-worker pact_matching: --> Mismatches: [] 2023-08-11T213741.322898Z DEBUG tokio-runtime-worker pact_mock_server:hyper server Test context = {"mockServer": Object {"href": String("http://127.0.0.1:53518"), "port": Number(53518)}} 2023-08-11T213741.322940Z INFO tokio-runtime-worker pact_mock_server:hyper server Request matched, sending response HTTP Response ( status: 200, headers: Some({"Content-Type": ["application/xml; charset=utf-8"]}), body: Present(21 bytes, application/xml) ) 2023-08-11T213741.322965Z DEBUG tokio-runtime-worker pact_mock_server:hyper server body: '<?xml version='1.0'?>' 2023-08-11T213741.323046Z DEBUG tokio-runtime-worker hyper:protoh1io flushed 387 bytes console.log { res: "<?xml version='1.0'?>" } at consumer.spec.ts6917 2023-08-11T213741.353606Z DEBUG ThreadId(01) pact_matching:metrics Could not get the tokio runtime, will not send metrics - there is no reactor running, must be called from the context of a Tokio 1.x runtime 2023-08-11T213741.353653Z DEBUG ThreadId(01) pact_mock_server::ser… pact-foundation/pact-js
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