config updated to improve setting values, writing changes and test coverage

internal/config/print.go

@@ -3,6 +3,8 @@ package config
 import (
 	"fmt"
 	"log/slog"
+	"maps"
+	"slices"
 )
 
 // PrintTerminal prints the configuration to stdout as String formats it.
@@ -20,8 +22,8 @@ func (conf JobSearchConfig) PrintYaml() {
 	fmt.Print(conf.YAML() + "\n")
 }
 
-// PrintLog logs each configuration key and value at atLevel: debug, warn,
-// error, or info for any other level.
+// PrintLog logs each configuration key and value, sorted by key, at atLevel:
+// debug, warn, error, or info for any other level.
 func (conf JobSearchConfig) PrintLog(atLevel slog.Level) {
 	var logFn func(args ...interface{})
 
@@ -44,7 +46,8 @@ func (conf JobSearchConfig) PrintLog(atLevel slog.Level) {
 		}
 	}
 
-	for k, v := range conf.Flatten() {
-		logFn("\t", k, " = ", v)
+	flat := conf.Flatten()
+	for _, k := range slices.Sorted(maps.Keys(flat)) {
+		logFn("\t", k, " = ", flat[k])
 	}
 }