working commit

app/router/pathc_test.go

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ */
+package router
+
+import (
+	"fmt"
+	"regexp"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func tDebugf(msg string, args ...any) {
+	fmt.Printf("debug: ")
+	fmt.Printf(msg, args...)
+	fmt.Printf("\n")
+}
+
+func TestPatchCompilerA(t *testing.T) {
+	var err error
+	srcPath := `/v1/file/{collection:[a-zA-Z]+}/{name}`
+	reSource, err := pathCompiler(srcPath)
+	require.NoError(t, err)
+
+	tDebugf("re: %s\n", reSource)
+
+	re, err := regexp.Compile(reSource)
+	require.NoError(t, err)
+	reqPath := `/v1/file/foo/bare`
+	match := re.MatchString(reqPath)
+	require.True(t, match)
+
+	submatch := re.FindStringSubmatch(reqPath)
+	subnames := re.SubexpNames()
+
+	submap := make(map[string]string)
+	for i, val := range subnames {
+		tDebugf("subname: %d = %s", i, val)
+	}
+	for i, val := range submatch {
+		key := subnames[i]
+		if key != "" {
+			submap[key] = val
+		}
+		tDebugf("sub: %d = %s", i, val)
+	}
+	tDebugf("submap: %v", submap)
+}