use --dry-run while testing

src/Util.ts

@@ -2,6 +2,8 @@ import { execSync, exec } from "node:child_process";
 import { getuid, versions, platform } from "node:process";
 import { promisify } from "node:util";
 
+export const shouldDryRunDuringTesting = process.env.npm_lifecycle_event === "test" ? "--dry-run" : "";
+
 export async function runCommand(command: string) {
   const promisifiedExec = promisify(exec);
   const { stderr, stdout } = await promisifiedExec(command);

src/methods/Allow.ts

@@ -1,4 +1,4 @@
-import { checkAppropriatePort, checkAppropriateIP, runCommand } from "../Util";
+import { checkAppropriatePort, checkAppropriateIP, runCommand, shouldDryRunDuringTesting } from "../Util";
 import type { PortProtocol } from  "../Typings";
 
 /**
@@ -10,7 +10,7 @@ async function port(port: number, protocol?: PortProtocol) {
     let checkPort = checkAppropriatePort(port);
     if (!checkPort) return false;
 
-    let command = await runCommand(`echo "y" | sudo ufw allow ${port}${protocol ? `/${protocol}` : ""}`);
+    let command = await runCommand(`echo "y" | sudo ufw ${shouldDryRunDuringTesting} allow ${port}${protocol ? `/${protocol}` : ""}`);
     return command ? command.toLowerCase().match(/(added)/gi) !== null : false;
   } catch (err) {
     throw err;

src/methods/Delete.ts

@@ -1,4 +1,4 @@
-import { runCommand } from "../Util";
+import { runCommand, shouldDryRunDuringTesting } from "../Util";
 
 /**
   * Delete ufw rule(s). (root/sudo access is mandatory)
@@ -9,7 +9,7 @@ export default async function(num: number) {
       num = 1;
     };
 
-    let command = await runCommand(`echo "y" | sudo ufw delete ${num}`);
+    let command = await runCommand(`echo "y" | sudo ufw ${shouldDryRunDuringTesting} delete ${num}`);
     return command !== null;
   } catch (err) {
     throw err;

src/methods/Deny.ts

@@ -1,4 +1,4 @@
-import { checkAppropriatePort, checkAppropriateIP, runCommand } from "../Util";
+import { checkAppropriatePort, checkAppropriateIP, runCommand, shouldDryRunDuringTesting } from "../Util";
 import type { PortProtocol } from  "../Typings";
 
 /**
@@ -10,7 +10,7 @@ async function port(port: number, protocol?: PortProtocol) {
     let checkPort = checkAppropriatePort(port);
     if (!checkPort) return false;
 
-    let command = await runCommand(`echo "y" | sudo ufw deny ${port}${protocol ? `/${protocol}` : ""}`);
+    let command = await runCommand(`echo "y" | sudo ufw ${shouldDryRunDuringTesting} deny ${port}${protocol ? `/${protocol}` : ""}`);
     return command ? command.toLowerCase().match(/(added)/gi) !== null : false;
   } catch (err) {
     throw err;
@@ -32,7 +32,7 @@ async function address(address: string, port?: number, protocol?: PortProtocol)
       if (!checkPort) return false;
     };
 
-    let command = await runCommand(`echo "y" | sudo ufw deny from ${address} ${port ? `to any port ${port}` : ""} ${protocol ? `proto ${protocol}` : ""}`);
+    let command = await runCommand(`echo "y" | sudo ufw ${shouldDryRunDuringTesting} deny from ${address} ${port ? `to any port ${port}` : ""} ${protocol ? `proto ${protocol}` : ""}`);
     return command ? command.toLowerCase().match(/(added)/gi) !== null : false;
   } catch (err) {
     throw err;

src/methods/Disable.ts

@@ -1,11 +1,11 @@
-import { runCommand } from "../Util";
+import { runCommand,shouldDryRunDuringTesting } from "../Util";
 
 /**
   * Disable ufw. (root/sudo access is mandatory)
 */
 export default async function() {
   try {
-    let command = await runCommand(`echo "y" | sudo ufw disable`);
+    let command = await runCommand(`echo "y" | sudo ufw ${shouldDryRunDuringTesting} disable`);
     return command !== null;
   } catch (err) {
     throw err;

src/methods/Enable.ts

@@ -1,9 +1,9 @@
-import { runCommand } from "../Util";
+import { runCommand, shouldDryRunDuringTesting } from "../Util";
 
 export default async function() {
   try {
     // https://serverfault.com/a/790150
-    let command = await runCommand(`echo "y" | sudo ufw enable`);
+    let command = await runCommand(`echo "y" | sudo ufw ${shouldDryRunDuringTesting} enable`);
     return command !== null;
   } catch (err) {
     throw err;

src/methods/Logging.ts

@@ -1,4 +1,4 @@
-import { runCommand } from "../Util";
+import { runCommand, shouldDryRunDuringTesting } from "../Util";
 import type { LoggingType } from "../Typings";
 
 /**
@@ -6,7 +6,7 @@ import type { LoggingType } from "../Typings";
 */
 export default async function(type: LoggingType) {
   try {
-    let command = await runCommand(`sudo ufw logging ${type}`);
+    let command = await runCommand(`sudo ufw ${shouldDryRunDuringTesting} logging ${type}`);
     return command !== null;
   } catch (err) {
     throw err;

src/methods/Reload.ts

@@ -1,11 +1,11 @@
-import { runCommand } from "../Util";
+import { runCommand,shouldDryRunDuringTesting } from "../Util";
 
 /**
   * Reloads firewall. (root/sudo access is mandatory)
 */
 export default async function() {
   try {
-    let command = await runCommand("sudo ufw reload");
+    let command = await runCommand(`sudo ufw ${shouldDryRunDuringTesting} reload`);
     return command !== null;
   } catch (err) {
     throw err;

src/methods/Reset.ts

@@ -1,11 +1,11 @@
-import { runCommand } from "../Util";
+import { runCommand, shouldDryRunDuringTesting } from "../Util";
 
 /**
   * Disables and resets firewall to installation defaults. No prompt. Use this wisely. (root/sudo access is mandatory)=
 */
 export default async function() {
   try {
-    let command = await runCommand("sudo ufw --force reset");
+    let command = await runCommand(`sudo ufw ${shouldDryRunDuringTesting} --force reset`);
     return command !== null;
   } catch (err) {
     throw err;

src/methods/Status.ts

@@ -1,12 +1,12 @@
 import type { ParsedStatus } from "../Typings";
-import { runCommand } from "../Util";
+import { runCommand, shouldDryRunDuringTesting } from "../Util";
 
 /**
   * List of currently activated ufw. (root/sudo access is mandatory)
 */
 export default async function(raw?: boolean): Promise<string | ParsedStatus[] | null> {
   try {
-    let command = await runCommand("sudo ufw status");
+    let command = await runCommand(`sudo ufw ${shouldDryRunDuringTesting} status`);
 
     if (command) {
       if (raw) return command;