Add raw behaviour for the jq expression for the simple fields(like st…

…ring, int, etc...)

.github/workflows/test-integration.yml

@@ -9,10 +9,11 @@ jobs:
       - name: Test Integration
         run: make test-integration
       - name: Coverage report
-        uses: ncruces/go-coverage-report@57ac6f0f19874f7afbab596105154f08004f482e
+        uses: mgerasimchuk/go-coverage-report@chart-diff-only
         with:
           badge-title: Coverage (integration)
           coverage-file: assets/coverage/integration/coverage.out
           report: true
           output-dir: assets/coverage/integration
           chart: true
+          chart-show-diff-only: true

.github/workflows/test-unit.yml

@@ -9,10 +9,11 @@ jobs:
       - name: Test Unit
         run: make test-unit
       - name: Coverage report
-        uses: ncruces/go-coverage-report@57ac6f0f19874f7afbab596105154f08004f482e
+        uses: mgerasimchuk/go-coverage-report@chart-diff-only
         with:
           badge-title: Coverage (unit)
           coverage-file: assets/coverage/unit/coverage.out
           report: true
           output-dir: assets/coverage/unit
           chart: true
+          chart-show-diff-only: true

README.md

@@ -27,13 +27,13 @@ These capabilities make Protty a useful tool for a variety of purposes, such as
 The following command will start a proxy on port 8080, and after starting, all traffic from port 8080 will be redirected to a remote host located at https://example.com
 
 ```shell
-docker run -p8080:80 -e REMOTE_URI=https://example.com:443 mgerasimchuk/protty:v0.4.3
+docker run -p8080:80 -e REMOTE_URI=https://example.com:443 mgerasimchuk/protty:v0.4.4
 ```
 
 ## Running options and runtime configuration
 
 ```
-» ~  docker run -p8080:80 -it mgerasimchuk/protty:v0.4.3 /bin/sh -c 'protty start --help'  
+» ~  docker run -p8080:80 -it mgerasimchuk/protty:v0.4.4 /bin/sh -c 'protty start --help'  
 Start the proxy
 
 Usage:

internal/infrastructure/app/protty_test.go

@@ -50,6 +50,11 @@ func TestStartCommand(t *testing.T) {
 			args{targetPath: "/", targetResponseBody: "ok", prottyFlags: append(prottyStart, "--transform-response-body-sed", "s|ok|changed|g")},
 			want{responseBody: "changed"},
 		},
+		{
+			"Flags configuration JQ expression",
+			args{targetPath: "/", targetResponseBody: `{"code": 100, "message": "message body"}`, prottyFlags: append(prottyStart, "--transform-response-body-jq", ".message")},
+			want{responseBody: "message body"},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

pkg/util/jq.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"github.com/itchyny/gojq"
+	"reflect"
 )
 
 // JQ transform the input by jq expression
@@ -36,9 +37,14 @@ func JQ(jqExpr string, input []byte) ([]byte, []byte, error) {
 		}
 		transformed = v
 	}
-	transformedJSON, err := json.Marshal(transformed)
-	if err != nil {
-		return input, input, fmt.Errorf("%s: %w", GetFuncName(json.Marshal), err)
+	var transformedJSON []byte
+	if reflect.TypeOf(transformed).Kind() == reflect.Map {
+		transformedJSON, err = json.Marshal(transformed)
+		if err != nil {
+			return input, input, fmt.Errorf("%s: %w", GetFuncName(json.Marshal), err)
+		}
+	} else {
+		transformedJSON = []byte(fmt.Sprintf("%v", transformed))
 	}
 
 	return transformedJSON, input, nil