Fix device left hanging

src/cli/wifi.js

@@ -91,10 +91,14 @@ module.exports = ({ commandProcessor, root }) => {
 	});
 
 	commandProcessor.createCommand(wifi, 'remove', 'Removes a wifi network from the device', {
-		params: '<ssid>',
+		options: Object.assign({
+			'ssid': {
+				description: 'The name of the network to remove'
+			}
+		}, portOption),
 		handler: (args) => {
 			const WiFiCommands = require('../cmd/wifi');
-			return new WiFiCommands().removeNetwork(args.params.ssid);
+			return new WiFiCommands().removeNetwork(args);
 		},
 		examples: {
 			'$0 $command ssid': 'Removes a network specified by SSID from the device',

src/cmd/serial.js

@@ -260,7 +260,7 @@ module.exports = class SerialCommand extends CLICommandBase {
 
 		// Obtain system firmware version
 		fwVer = device.firmwareVersion;
-
+		
 
 		// If the device is a cellular device, obtain imei and iccid
 
@@ -531,6 +531,8 @@ module.exports = class SerialCommand extends CLICommandBase {
 		}
 
 		const fwVer = device.firmwareVersion;
+		await device.close();
+
 		// XXX: Firmware version TBD
 		if (semver.gte(fwVer, '6.2.0')) {
 			this.ui.stdout.write(`${chalk.yellow('[Recommendation]')}${os.EOL}`);

src/cmd/wifi.js

@@ -82,7 +82,11 @@ module.exports = class WiFiCommands extends CLICommandBase {
 		});
 	}
 
-	async removeNetwork(ssid) {
+	async removeNetwork(args) {
+        const { ssid } = args;
+        if (!ssid) {
+            throw new Error('Please provide a network name to remove using the --ssid flag.');
+        }
 		await this._withDevice(async () => {
 			await this.removeWifi(ssid);
 		});
@@ -136,7 +140,7 @@ module.exports = class WiFiCommands extends CLICommandBase {
 			error.isUsageError = true;
 			throw error;
 		}
-		return { ssid: network, security: this._convertToKnownSecType(security), password };
+        return { ssid: network, security: this._convertToKnownSecType(security), password };
 	}
 
 	async _getNetworkToConnect({ prompt = true } = { }) {

test/e2e/wifi.e2e.js

@@ -16,16 +16,17 @@ describe('Wi-Fi Commands [@device,@wifi]', () => {
 		'Help:  particle help wifi <command>',
 		'',
 		'Commands:',
-		'  add     Adds a WiFi network to your device',
-		'  join    Joins a wifi network',
-		'  clear   Clears the list of wifi networks on your device',
-		'  list    Lists the wifi networks on your device',
-		'  remove  Removes a wifi network from the device',
+		'  add      Adds a WiFi network to your device',
+		'  join     Joins a wifi network',
+		'  clear    Clears the list of wifi networks on your device',
+		'  list     Lists the wifi networks on your device',
+		'  remove   Removes a wifi network from the device',
 		'  current  Gets the current wifi network',
 		'',
 		'Global Options:',
 		'  -v, --verbose  Increases how much logging to display  [count]',
-		'  -q, --quiet    Decreases how much logging to display  [count]'
+		'  -q, --quiet    Decreases how much logging to display  [count]',
+		''
 	];
 
 	after(async () => {
@@ -79,7 +80,16 @@ describe('Wi-Fi Commands [@device,@wifi]', () => {
 			const { stdout, stderr, exitCode } = await cli.run(['wifi', 'join', '--ssid', WIFI_SSID]);
 
 			expect(listStdout).to.include(WIFI_SSID);
-			expect(stdout).to.include(`Wi-Fi network '${WIFI_SSID}' configured and joined successfully.`);
+			expect(stdout).to.include(`Wi-Fi network '${WIFI_SSID}' joined successfully.`);
+			expect(stderr).to.equal('');
+			expect(exitCode).to.equal(0);
+		});
+
+		it('Fetches the current network the device is connected to', async () => {
+			// Let the device join a network and then clear it
+			const { stdout, stderr, exitCode } = await cli.run(['wifi', 'current']);
+
+			expect(stdout).to.include(WIFI_SSID);
 			expect(stderr).to.equal('');
 			expect(exitCode).to.equal(0);
 		});
@@ -105,8 +115,8 @@ describe('Wi-Fi Commands [@device,@wifi]', () => {
 		});
 
 		it('Clears networks from the device', async () => {
-			// Let the device join a network and then clear it
-			await cli.run(['wifi', 'join', '--ssid', WIFI_SSID]);
+			// Let the device add a network and then clear it
+			await cli.run(['wifi', 'add', '--ssid', WIFI_SSID]);
 			const { stdout: listStdoutBeforeClearing } = await cli.run(['wifi', 'list']);
 			const { stdout, stderr, exitCode } = await cli.run(['wifi', 'clear']);
 			const { stdout : listStdoutAfterClearing }  = await cli.run(['wifi', 'list']);