Add some unit tests and refactor to support tests

cmd/config/flag.go

@@ -0,0 +1,72 @@
+package config
+
+// Copyright (C) 2021-2025 Intel Corporation
+// SPDX-License-Identifier: BSD-3-Clause
+
+import (
+	"perfspect/internal/target"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+)
+
+// flagDefinition is a struct that defines a command line flag.
+type flagDefinition struct {
+	pflag                 *pflag.Flag
+	intSetFunc            func(int, target.Target, string) error
+	floatSetFunc          func(float64, target.Target, string) error
+	stringSetFunc         func(string, target.Target, string) error
+	validationFunc        func(cmd *cobra.Command) bool
+	validationDescription string
+}
+
+// GetName returns the name of the flag.
+func (f *flagDefinition) GetName() string {
+	return f.pflag.Name
+}
+
+// GetType returns the type of the flag.
+func (f *flagDefinition) GetType() string {
+	return f.pflag.Value.Type()
+}
+
+// GetValueAsString returns the value of the flag as a string.
+func (f *flagDefinition) GetValueAsString() string {
+	return f.pflag.Value.String()
+}
+
+// newIntFlag creates a new integer flag and adds it to the command.
+func newIntFlag(cmd *cobra.Command, name string, defaultValue int, setFunc func(int, target.Target, string) error, help string, validationDescription string, validationFunc func(cmd *cobra.Command) bool) flagDefinition {
+	cmd.Flags().Int(name, defaultValue, help)
+	pFlag := cmd.Flags().Lookup(name)
+	return flagDefinition{
+		pflag:                 pFlag,
+		intSetFunc:            setFunc,
+		validationFunc:        validationFunc,
+		validationDescription: validationDescription,
+	}
+}
+
+// newInt64Flag creates a new int64 flag and adds it to the command.
+func newFloat64Flag(cmd *cobra.Command, name string, defaultValue float64, setFunc func(float64, target.Target, string) error, help string, validationDescription string, validationFunc func(cmd *cobra.Command) bool) flagDefinition {
+	cmd.Flags().Float64(name, defaultValue, help)
+	pFlag := cmd.Flags().Lookup(name)
+	return flagDefinition{
+		pflag:                 pFlag,
+		floatSetFunc:          setFunc,
+		validationFunc:        validationFunc,
+		validationDescription: validationDescription,
+	}
+}
+
+// newStringFlag creates a new string flag and adds it to the command.
+func newStringFlag(cmd *cobra.Command, name string, defaultValue string, setFunc func(string, target.Target, string) error, help string, validationDescription string, validationFunc func(cmd *cobra.Command) bool) flagDefinition {
+	cmd.Flags().String(name, defaultValue, help)
+	pFlag := cmd.Flags().Lookup(name)
+	return flagDefinition{
+		pflag:                 pFlag,
+		stringSetFunc:         setFunc,
+		validationFunc:        validationFunc,
+		validationDescription: validationDescription,
+	}
+}