Incorrect header matching rules key in v2 pact files

[Saup21]

Software versions

• OS: Mac OS Sonoma 14.5
• Consumer Pact library: Pact go v2.0.5
• Provider Pact library: pact-ruby v1.64.0
• Golang Version: 1.18
• Golang environment:

GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/sauparna.gupta/Library/Caches/go-build"
GOENV="/Users/sauparna.gupta/Library/Application Support/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/sauparna.gupta/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/sauparna.gupta/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GOVCS=""
GOVERSION="go1.20"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/sauparna.gupta/services/terraform-provider-pact/go.mod"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/hj/4rhb2sfx3wjf51nnmn6r4vp80000gr/T/go-build690945761=/tmp/go-build -gno-record-gcc-switches -fno-common"

Expected behaviour

{
  "match": true,
  "comment": "Headers match with regex",
  "expected" : {
    "headers": {
      "Accept": "alligators",
      "Content-Type": "hippos"
    },
    "matchingRules": {
      "$.headers.Accept": {"match": "regex", "regex": "\\w+"}
    }
  },
  "actual": {
    "headers": {
      "Content-Type": "hippos",
      "Accept": "godzilla"
    }
  }
}

Actual behaviour

{
  "match": true,
  "comment": "Headers match with regex",
  "expected" : {
    "headers": {
      "Accept": "alligators",
      "Content-Type": "hippos"
    },
    "matchingRules": {
      "$.header.Accept": {"match": "regex", "regex": "\\w+"}
    }
  },
  "actual": {
    "headers": {
      "Content-Type": "hippos",
      "Accept": "godzilla"
    }
  }
}

The field should be $.headers.<key> not $.header.<key>

Steps to reproduce

It can be easily reproduced by just generating a pact file where a consumer test contains matching rules for header keys

Relevent log files

WARN: Ignoring unsupported matching rules {"match"=>"type"} for path $['header']['Authorization']

[YOU54F]

Thanks for raising @Saup21

Resolved in v2.0.8 of pact-go, with libpact_ffi 0.4.23