fix 🐛: simplified manpage for smaller binary size

Signed-off-by: moualhi zine el abidine <zmoualhi@outlook.com>

cmd/man_test.go

@@ -0,0 +1,60 @@
+package cmd
+
+import (
+	"bytes"
+	"io"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/spf13/cobra"
+)
+
+// captureOutput captures and returns the output of a function that prints to stdout.
+func captureOutput(f func()) string {
+	// Save the current stdout
+	oldStdout := os.Stdout
+
+	// Create a pipe to capture stdout
+	r, w, _ := os.Pipe()
+	os.Stdout = w
+
+	// Execute the function
+	f()
+
+	// Close the writer and restore stdout
+	_ = w.Close()
+	os.Stdout = oldStdout
+
+	// Read the captured output
+	var buf bytes.Buffer
+	_, _ = io.Copy(&buf, r)
+	_ = r.Close()
+
+	return buf.String()
+}
+
+// TestManCmd tests the `manCmd` to ensure it outputs the manual correctly.
+func TestManCmd(t *testing.T) {
+	// Capturing the output of the manCmd.
+	output := captureOutput(func() {
+		manCmd.Run(&cobra.Command{}, []string{})
+	})
+
+	// Check that the output contains key sections.
+	sections := []string{
+		"NAME",
+		"SYNOPSIS",
+		"DESCRIPTION",
+		"OPTIONS",
+		"EXAMPLES",
+		"AUTHOR",
+		"COPYRIGHT",
+	}
+
+	for _, section := range sections {
+		if !strings.Contains(output, section) {
+			t.Errorf("Expected section %s in man page output, but it was not found.", section)
+		}
+	}
+}