capture feature starting to work

main.go

@@ -12,6 +12,7 @@ import (
 	"net/url"
 	"os"
 	"strconv"
+	"strings"
 
 	"github.com/iancoleman/orderedmap"
 )
@@ -143,8 +144,7 @@ func RunTest(testCase *TestCase) error {
 	var requestUrl string
 	var requestType string
 	var req *http.Request
-	//var requestHeaders map[string]string
-	//var requestBody map[string]string
+	var bodyMap map[string]interface{}
 
 	tr := &http.Transport{
 		TLSClientConfig: &tls.Config{InsecureSkipVerify: testDefinitions.Insecure},
@@ -193,21 +193,23 @@ func RunTest(testCase *TestCase) error {
 	if len(testDefinitions.Headers) > 0 {
 		fmt.Printf("Adding global headers to request\n")
 		for k, v := range testDefinitions.Headers {
-			fmt.Printf("Add global header %s = %s\n", k, v)
+			// Check for capture tokens that need to be replaced before adding the value
+			key := HeaderReplaceCaptures(k)
+			val := HeaderReplaceCaptures(v)
 
-			// TODO : Check for capture tokens that need to be replaced before adding the value
-
-			req.Header.Add(k, v)
+			fmt.Printf("Add global header %s = %s\n", key, val)
+			req.Header.Add(key, val)
 		}
 	}
 
 	// Then any test case specific headers
 	for k, v := range testCase.Header {
-		fmt.Printf("Add Header %s = %s\n", k, v)
+		// Check for capture tokens that need to be replaced before adding the value
+		key := HeaderReplaceCaptures(k)
+		val := HeaderReplaceCaptures(v)
 
-		// TODO : Check for capture tokens that need to be replaced before adding the value
-
-		req.Header.Add(k, v)
+		fmt.Printf("Add header %s = %s\n", key, val)
+		req.Header.Add(key, val)
 	}
 
 	// Perform request
@@ -230,11 +232,34 @@ func RunTest(testCase *TestCase) error {
 
 	fmt.Printf("Body response:\n%s\n", string(body))
 
+	// We have no idea what the response will look like so use an interface and unmarshal manually as needed
+	if len(body) > 0 {
+		var b interface{}
+		json.Unmarshal(body, &b)
+		if b != nil {
+			bodyMap = b.(map[string]interface{})
+		}
+
+	}
+
 	// Iterate through testDefinitions.CaptureCases and see if there are any that match this test
 	// If we found one, add the appropriate replacement to captureValues
 	for i := range testDefinitions.CaptureCases {
 		if testDefinitions.CaptureCases[i].TestCaseName == testCase.Name {
 			fmt.Printf("Need to capture value from this test case\n")
+
+			captureData := testDefinitions.CaptureCases[i].CaptureData
+
+			for k, v := range captureData.Body.Data {
+				fmt.Printf("Body capture %s = %s\n", k, v)
+
+				if val, ok := bodyMap[k]; ok {
+					// TODO handle values other than string using a switch
+					fmt.Printf("Found matching capture in body with value : '%v', storing replacement with key '%s'\n", val, v)
+					captureValues.Data[v] = val.(string)
+				}
+			}
+
 			// Capture anything needed
 			break
 		}
@@ -244,6 +269,19 @@ func RunTest(testCase *TestCase) error {
 	return nil
 }
 
+// HeaderReplaceCaptures iterates through captureValues to apply any text replacements necessary for input string
+func HeaderReplaceCaptures(input string) string {
+
+	for k, v := range captureValues.Data {
+		if strings.Contains(input, k) {
+			fmt.Printf("Found key '%s' in input string '%s', replacing with '%s'\n", k, input, v)
+			input = strings.Replace(input, k, v, -1)
+		}
+	}
+
+	return input
+}
+
 func main() {
 	var s []byte
 	var err error
@@ -252,6 +290,7 @@ func main() {
 	// Prepare struct to store settings common to all tests
 	testDefinitions = new(TestDefinitions)
 	captureValues = new(CaptureValues)
+	captureValues.Data = make(map[string]string)
 
 	// Command line arguments
 	var inputJson string