feat(test): adding unit tests

pkg/utils/main.go

@@ -2,11 +2,14 @@ package utils
 
 import (
 	"bytes"
+	"fmt"
 	"os/exec"
 
 	"github.com/hashicorp/hcl/v2"
 )
 
+var DryRun = false
+
 func CheckErr(e error) {
 	if e != nil {
 		panic(e)
@@ -21,12 +24,19 @@ func CheckDiags(diag hcl.Diagnostics) {
 
 // Execute a system command ...
 func RunSystemCommand(name string, arg ...string) ([]byte, []byte, error) {
-	var stdOut bytes.Buffer
-	var stdErr bytes.Buffer
+	if DryRun {
+		stdOut := []byte(fmt.Sprintf("CMD %s\n", name))
+		stdErr := []byte("STDERR\n")
 
-	cmd := exec.Command(name, arg...)
-	cmd.Stderr = &stdErr
-	cmd.Stdout = &stdOut
-	err := cmd.Run()
-	return stdOut.Bytes(), stdErr.Bytes(), err
+		return stdOut, stdErr, nil
+	} else {
+		var stdOut bytes.Buffer
+		var stdErr bytes.Buffer
+
+		cmd := exec.Command(name, arg...)
+		cmd.Stderr = &stdErr
+		cmd.Stdout = &stdOut
+		err := cmd.Run()
+		return stdOut.Bytes(), stdErr.Bytes(), err
+	}
 }