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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const TYPE_WIFI = "wifi";
+const TYPE_BLUETOOTH = "bt";
+const TYPE_USB = "usb";
+
+/**
+ * General tethering setting.
+ */
+const TETHERING_SETTING_IP = "192.168.1.1";
+const TETHERING_SETTNG_PREFIX = "24";
+const TETHERING_SETTING_START_IP = "192.168.1.10";
+const TETHERING_SETTING_END_IP = "192.168.1.30";
+const TETHERING_SETTING_DNS1 = "8.8.8.8";
+const TETHERING_SETTING_DNS2 = "8.8.4.4";
+
+const TETHERING_NETWORK_ADDR = "192.168.1.0/24";
+
+/**
+ * Wifi tethering setting.
+ */
+const TETHERING_SETTING_SSID = "FirefoxHotSpot";
+const TETHERING_SETTING_SECURITY = "open";
+const TETHERING_SETTING_KEY = "1234567890";
+
+const SETTINGS_RIL_DATA_ENABLED = 'ril.data.enabled';
+const SETTINGS_KEY_DATA_APN_SETTINGS = "ril.data.apnSettings";
+
+// Emulate Promise.jsm semantics.
+Promise.defer = function() { return new Deferred(); }
+function Deferred() {
+ this.promise = new Promise(function(resolve, reject) {
+ this.resolve = resolve;
+ this.reject = reject;
+ }.bind(this));
+ Object.freeze(this);
+}
+
+var gTestSuite = (function() {
+ let suite = {};
+
+ let tetheringManager;
+ let pendingEmulatorShellCount = 0;
+
+ /**
+ * A wrapper function of "is".
+ *
+ * Calls the marionette function "is" as well as throws an exception
+ * if the givens values are not equal.
+ *
+ * @param value1
+ * Any type of value to compare.
+ *
+ * @param value2
+ * Any type of value to compare.
+ *
+ * @param message
+ * Debug message for this check.
+ *
+ */
+ function isOrThrow(value1, value2, message) {
+ is(value1, value2, message);
+ if (value1 !== value2) {
+ throw message;
+ }
+ }
+
+ /**
+ * Send emulator shell command with safe guard.
+ *
+ * We should only call |finish()| after all emulator command transactions
+ * end, so here comes with the pending counter. Resolve when the emulator
+ * gives positive response, and reject otherwise.
+ *
+ * Fulfill params:
+ * result -- an array of emulator response lines.
+ * Reject params:
+ * result -- an array of emulator response lines.
+ *
+ * @param aCommand
+ * A string command to be passed to emulator through its telnet console.
+ *
+ * @return A deferred promise.
+ */
+ function runEmulatorShellSafe(aCommand) {
+ let deferred = Promise.defer();
+
+ ++pendingEmulatorShellCount;
+ runEmulatorShell(aCommand, function(aResult) {
+ --pendingEmulatorShellCount;
+
+ ok(true, "Emulator shell response: " + JSON.stringify(aResult));
+ if (Array.isArray(aResult)) {
+ deferred.resolve(aResult);
+ } else {
+ deferred.reject(aResult);
+ }
+ });
+
+ return deferred.promise;
+ }
+
+ /**
+ * Wait for timeout.
+ *
+ * Resolve when the given duration elapsed. Never reject.
+ *
+ * Fulfill params: (none)
+ *
+ * @param aTimeoutMs
+ * The duration after which the timeout event should occurs.
+ *
+ * @return A deferred promise.
+ */
+ function waitForTimeout(aTimeoutMs) {
+ let deferred = Promise.defer();
+
+ setTimeout(function() {
+ deferred.resolve();
+ }, aTimeoutMs);
+
+ return deferred.promise;
+ }
+
+ /**
+ * Get mozSettings value specified by @aKey.
+ *
+ * Resolve if that mozSettings value is retrieved successfully, reject
+ * otherwise.
+ *
+ * Fulfill params:
+ * The corresponding mozSettings value of the key.
+ * Reject params: (none)
+ *
+ * @param aKey
+ * A string.
+ *
+ * @return A deferred promise.
+ */
+ function getSettings(aKey) {
+ let request = navigator.mozSettings.createLock().get(aKey);
+
+ return wrapDomRequestAsPromise(request)
+ .then(function resolve(aEvent) {
+ ok(true, "getSettings(" + aKey + ") - success");
+ return aEvent.target.result[aKey];
+ }, function reject(aEvent) {
+ ok(false, "getSettings(" + aKey + ") - error");
+ throw aEvent.target.error;
+ });
+ }
+
+ /**
+ * Set mozSettings values.
+ *
+ * Resolve if that mozSettings value is set successfully, reject otherwise.
+ *
+ * Fulfill params: (none)
+ * Reject params: (none)
+ *
+ * @param aSettings
+ * An object of format |{key1: value1, key2: value2, ...}|.
+ * @return A deferred promise.
+ */
+ function setSettings(aSettings) {
+ let lock = window.navigator.mozSettings.createLock();
+ let request = lock.set(aSettings);
+ let deferred = Promise.defer();
+ lock.onsettingstransactionsuccess = function () {
+ ok(true, "setSettings(" + JSON.stringify(aSettings) + ")");
+ deferred.resolve();
+ };
+ lock.onsettingstransactionfailure = function (aEvent) {
+ ok(false, "setSettings(" + JSON.stringify(aSettings) + ")");
+ deferred.reject();
+ throw aEvent.target.error;
+ };
+ return deferred.promise;
+ }
+
+ /**
+ * Set mozSettings value with only one key.
+ *
+ * Resolve if that mozSettings value is set successfully, reject otherwise.
+ *
+ * Fulfill params: (none)
+ * Reject params: (none)
+ *
+ * @param aKey
+ * A string key.
+ * @param aValue
+ * An object value.
+ * @param aAllowError [optional]
+ * A boolean value. If set to true, an error response won't be treated
+ * as test failure. Default: false.
+ *
+ * @return A deferred promise.
+ */
+ function setSettings1(aKey, aValue, aAllowError) {
+ let settings = {};
+ settings[aKey] = aValue;
+ return setSettings(settings, aAllowError);
+ }
+
+ /**
+ * Convenient MozSettings getter for SETTINGS_KEY_DATA_APN_SETTINGS.
+ */
+ function getDataApnSettings(aAllowError) {
+ return getSettings(SETTINGS_KEY_DATA_APN_SETTINGS, aAllowError);
+ }
+
+ /**
+ * Convenient MozSettings setter for SETTINGS_KEY_DATA_APN_SETTINGS.
+ */
+ function setDataApnSettings(aApnSettings, aAllowError) {
+ return setSettings1(SETTINGS_KEY_DATA_APN_SETTINGS, aApnSettings, aAllowError);
+ }
+
+ /**
+ * Set 'ro.tethering.dun_required' system property to 1. Note that this is a
+ * 'ro' property, it can only be set once.
+ */
+ function setTetheringDunRequired() {
+ return runEmulatorShellSafe(['setprop', 'ro.tethering.dun_required', '1']);
+ }
+
+ /**
+ * Wrap DOMRequest onsuccess/onerror events to Promise resolve/reject.
+ *
+ * Fulfill params: A DOMEvent.
+ * Reject params: A DOMEvent.
+ *
+ * @param aRequest
+ * A DOMRequest instance.
+ *
+ * @return A deferred promise.
+ */
+ function wrapDomRequestAsPromise(aRequest) {
+ let deffered = Promise.defer();
+
+ ok(aRequest instanceof DOMRequest,
+ "aRequest is instanceof" + aRequest.constructor);
+
+ aRequest.onsuccess = function(aEvent) {
+ deffered.resolve(aEvent);
+ };
+ aRequest.onerror = function(aEvent) {
+ deffered.reject(aEvent);
+ };
+
+ return deffered.promise;
+ }
+
+ /**
+ * Wait for one named MozMobileConnection event.
+ *
+ * Resolve if that named event occurs. Never reject.
+ *
+ * Fulfill params: the DOMEvent passed.
+ *
+ * @param aEventName
+ * A string event name.
+ *
+ * @return A deferred promise.
+ */
+ function waitForMobileConnectionEventOnce(aEventName, aServiceId) {
+ aServiceId = aServiceId || 0;
+
+ let deferred = Promise.defer();
+ let mobileconnection = navigator.mozMobileConnections[aServiceId];
+
+ mobileconnection.addEventListener(aEventName, function onevent(aEvent) {
+ mobileconnection.removeEventListener(aEventName, onevent);
+
+ ok(true, "Mobile connection event '" + aEventName + "' got.");
+ deferred.resolve(aEvent);
+ });
+
+ return deferred.promise;
+ }
+
+ /**
+ * Wait for RIL data being connected.
+ *
+ * This function will check |MozMobileConnection.data.connected| on
+ * every 'datachange' event. Resolve when |MozMobileConnection.data.connected|
+ * becomes the expected state. Never reject.
+ *
+ * Fulfill params: (none)
+ * Reject params: (none)
+ *
+ * @param aConnected
+ * Boolean that indicates the desired data state.
+ *
+ * @param aServiceId [optional]
+ * A numeric DSDS service id. Default: 0.
+ *
+ * @return A deferred promise.
+ */
+ function waitForRilDataConnected(aConnected, aServiceId) {
+ aServiceId = aServiceId || 0;
+
+ return waitForMobileConnectionEventOnce('datachange', aServiceId)
+ .then(function () {
+ let mobileconnection = navigator.mozMobileConnections[aServiceId];
+ if (mobileconnection.data.connected !== aConnected) {
+ return waitForRilDataConnected(aConnected, aServiceId);
+ }
+ });
+ }
+
+ /**
+ * Verify everything about routing when the wifi tethering is either on or off.
+ *
+ * We use two unix commands to verify the routing: 'netcfg' and 'ip route'.
+ * For now the following two things will be checked:
+ * 1) The default route interface should be 'rmnet0'.
+ * 2) wlan0 is up and its ip is set to a private subnet.
+ *
+ * We also verify iptables output as netd's NatController will execute
+ * $ iptables -t nat -A POSTROUTING -o rmnet0 -j MASQUERADE
+ *
+ * For tethering through dun, we use 'ip rule' to find the secondary routing
+ * table and look for default route on that table.
+ *
+ * Resolve when the verification is successful and reject otherwise.
+ *
+ * Fulfill params: (none)
+ * Reject params: String that indicates the reason of rejection.
+ *
+ * @return A deferred promise.
+ */
+ function verifyTetheringRouting(aEnabled, aIsDun) {
+ let netcfgResult = {};
+ let ipRouteResult = {};
+ let ipSecondaryRouteResult = {};
+
+ // Execute 'netcfg' and parse to |netcfgResult|, each key of which is the
+ // interface name and value is { ip(string) }.
+ function exeAndParseNetcfg() {
+ return runEmulatorShellSafe(['netcfg'])
+ .then(function (aLines) {
+ // Sample output:
+ //
+ // lo UP 127.0.0.1/8 0x00000049 00:00:00:00:00:00
+ // eth0 UP 10.0.2.15/24 0x00001043 52:54:00:12:34:56
+ // rmnet1 DOWN 0.0.0.0/0 0x00001002 52:54:00:12:34:58
+ // rmnet2 DOWN 0.0.0.0/0 0x00001002 52:54:00:12:34:59
+ // rmnet3 DOWN 0.0.0.0/0 0x00001002 52:54:00:12:34:5a
+ // wlan0 UP 192.168.1.1/24 0x00001043 52:54:00:12:34:5b
+ // sit0 DOWN 0.0.0.0/0 0x00000080 00:00:00:00:00:00
+ // rmnet0 UP 10.0.2.100/24 0x00001043 52:54:00:12:34:57
+ //
+ aLines.forEach(function (aLine) {
+ let tokens = aLine.split(/\s+/);
+ if (tokens.length < 5) {
+ return;
+ }
+ let ifname = tokens[0];
+ let ip = (tokens[2].split('/'))[0];
+ netcfgResult[ifname] = { ip: ip };
+ });
+ });
+ }
+
+ // Execute 'ip route' and parse to |ipRouteResult|, each key of which is the
+ // interface name and value is { src(string), default(boolean) }.
+ function exeAndParseIpRoute() {
+ return runEmulatorShellSafe(['ip', 'route'])
+ .then(function (aLines) {
+ // Sample output:
+ //
+ // 10.0.2.4 via 10.0.2.2 dev rmnet0
+ // 10.0.2.3 via 10.0.2.2 dev rmnet0
+ // 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.1
+ // 10.0.2.0/24 dev eth0 proto kernel scope link src 10.0.2.15
+ // 10.0.2.0/24 dev rmnet0 proto kernel scope link src 10.0.2.100
+ // default via 10.0.2.2 dev rmnet0
+ // default via 10.0.2.2 dev eth0 metric 2
+ //
+
+ // Parse source ip for each interface.
+ aLines.forEach(function (aLine) {
+ let tokens = aLine.trim().split(/\s+/);
+ let srcIndex = tokens.indexOf('src');
+ if (srcIndex < 0 || srcIndex + 1 >= tokens.length) {
+ return;
+ }
+ let ifname = tokens[2];
+ let src = tokens[srcIndex + 1];
+ ipRouteResult[ifname] = { src: src, default: false };
+ });
+
+ // Parse default interfaces.
+ aLines.forEach(function (aLine) {
+ let tokens = aLine.split(/\s+/);
+ if (tokens.length < 2) {
+ return;
+ }
+ if ('default' === tokens[0]) {
+ let ifnameIndex = tokens.indexOf('dev');
+ if (ifnameIndex < 0 || ifnameIndex + 1 >= tokens.length) {
+ return;
+ }
+ let ifname = tokens[ifnameIndex + 1];
+ if (ipRouteResult[ifname]) {
+ ipRouteResult[ifname].default = true;
+ }
+ return;
+ }
+ });
+
+ });
+
+ }
+
+ // Find MASQUERADE in POSTROUTING section. 'MASQUERADE' should be found
+ // when tethering is enabled. 'MASQUERADE' shouldn't be found when tethering
+ // is disabled.
+ function verifyIptables() {
+ return runEmulatorShellSafe(['iptables', '-t', 'nat', '-L', 'POSTROUTING'])
+ .then(function(aLines) {
+ // $ iptables -t nat -L POSTROUTING
+ //
+ // Sample output (tethering on):
+ //
+ // Chain POSTROUTING (policy ACCEPT)
+ // target prot opt source destination
+ // MASQUERADE all -- anywhere anywhere
+ //
+ let found = (function find_MASQUERADE() {
+ // Skip first two lines.
+ for (let i = 2; i < aLines.length; i++) {
+ if (-1 !== aLines[i].indexOf('MASQUERADE')) {
+ return true;
+ }
+ }
+ return false;
+ })();
+
+ if ((aEnabled && !found) || (!aEnabled && found)) {
+ throw 'MASQUERADE' + (found ? '' : ' not') + ' found while tethering is ' +
+ (aEnabled ? 'enabled' : 'disabled');
+ }
+ });
+ }
+
+ // Execute 'ip rule show', there must be one rule for tethering network
+ // address to lookup for a secondary routing table, return that table id.
+ function verifyIpRule() {
+ if (!aIsDun) {
+ return;
+ }
+
+ return runEmulatorShellSafe(['ip', 'rule', 'show'])
+ .then(function (aLines) {
+ // Sample output:
+ //
+ // 0: from all lookup local
+ // 32765: from 192.168.1.0/24 lookup 60
+ // 32766: from all lookup main
+ // 32767: from all lookup default
+ //
+ let tableId = (function findTableId() {
+ for (let i = 0; i < aLines.length; i++) {
+ let tokens = aLines[i].split(/\s+/);
+ if (-1 != tokens.indexOf(TETHERING_NETWORK_ADDR)) {
+ let lookupIndex = tokens.indexOf('lookup');
+ if (lookupIndex < 0 || lookupIndex + 1 >= tokens.length) {
+ return;
+ }
+ return tokens[lookupIndex + 1];
+ }
+ }
+ return;
+ })();
+
+ if ((aEnabled && !tableId) || (!aEnabled && tableId)) {
+ throw 'Secondary table' + (tableId ? '' : ' not') + ' found while tethering is ' +
+ (aEnabled ? 'enabled' : 'disabled');
+ }
+
+ return tableId;
+ });
+ }
+
+ // Given the table id, use 'ip rule show table <table id>' to find the
+ // default route on that secondary routing table.
+ function execAndParseSecondaryTable(aTableId) {
+ if (!aIsDun || !aEnabled) {
+ return;
+ }
+
+ return runEmulatorShellSafe(['ip', 'route', 'show', 'table', aTableId])
+ .then(function (aLines) {
+ // We only look for default route in secondary table.
+ aLines.forEach(function (aLine) {
+ let tokens = aLine.split(/\s+/);
+ if (tokens.length < 2) {
+ return;
+ }
+ if ('default' === tokens[0]) {
+ let ifnameIndex = tokens.indexOf('dev');
+ if (ifnameIndex < 0 || ifnameIndex + 1 >= tokens.length) {
+ return;
+ }
+ let ifname = tokens[ifnameIndex + 1];
+ ipSecondaryRouteResult[ifname] = { default: true };
+ return;
+ }
+ });
+ });
+ }
+
+ function verifyDefaultRouteAndIp(aExpectedWifiTetheringIp) {
+ log(JSON.stringify(ipRouteResult));
+ log(JSON.stringify(ipSecondaryRouteResult));
+ log(JSON.stringify(netcfgResult));
+
+ if (aEnabled) {
+ isOrThrow(ipRouteResult['rmnet0'].src, netcfgResult['rmnet0'].ip, 'rmnet0.ip');
+ isOrThrow(ipRouteResult['rmnet0'].default, true, 'rmnet0.default');
+
+ isOrThrow(ipRouteResult['wlan0'].src, netcfgResult['wlan0'].ip, 'wlan0.ip');
+ isOrThrow(ipRouteResult['wlan0'].src, aExpectedWifiTetheringIp, 'expected ip');
+ isOrThrow(ipRouteResult['wlan0'].default, false, 'wlan0.default');
+
+ if (aIsDun) {
+ isOrThrow(ipRouteResult['rmnet1'].src, netcfgResult['rmnet1'].ip, 'rmnet1.ip');
+ isOrThrow(ipRouteResult['rmnet1'].default, false, 'rmnet1.default');
+ // Dun's network default route is set on secondary routing table.
+ isOrThrow(ipSecondaryRouteResult['rmnet1'].default, true, 'secondary rmnet1.default');
+ }
+ }
+ }
+
+ return verifyIptables()
+ .then(verifyIpRule)
+ .then(tableId => execAndParseSecondaryTable(tableId))
+ .then(exeAndParseNetcfg)
+ .then(exeAndParseIpRoute)
+ .then(() => verifyDefaultRouteAndIp(TETHERING_SETTING_IP));
+ }
+
+ /**
+ * Request to enable/disable wifi tethering.
+ *
+ * Enable/disable wifi tethering by using setTetheringEnabled API
+ * Resolve when the routing is verified to set up successfully in 20 seconds. The polling
+ * period is 1 second.
+ *
+ * Fulfill params: (none)
+ * Reject params: The error message.
+ *
+ * @param aEnabled
+ * Boolean that indicates to enable or disable wifi tethering.
+ * @param aIsDun
+ * Boolean that indicates whether dun is required.
+ *
+ * @return A deferred promise.
+ */
+ function setWifiTetheringEnabled(aEnabled, aIsDun) {
+ let RETRY_INTERVAL_MS = 1000;
+ let retryCnt = 20;
+
+ let config = {
+ "ip" : TETHERING_SETTING_IP,
+ "prefix" : TETHERING_SETTNG_PREFIX,
+ "startIp" : TETHERING_SETTING_START_IP,
+ "endIp" : TETHERING_SETTING_END_IP,
+ "dns1" : TETHERING_SETTING_DNS1,
+ "dns2" : TETHERING_SETTING_DNS2,
+ "wifiConfig": {
+ "ssid" : TETHERING_SETTING_SSID,
+ "security" : TETHERING_SETTING_SECURITY
+ }
+ };
+
+ return tetheringManager.setTetheringEnabled(aEnabled, TYPE_WIFI, config)
+ .then(function waitForRoutingVerified() {
+ return verifyTetheringRouting(aEnabled, aIsDun)
+ .then(null, function onreject(aReason) {
+
+ log('verifyTetheringRouting rejected due to ' + aReason +
+ ' (' + retryCnt + ')');
+
+ if (!retryCnt--) {
+ throw aReason;
+ }
+
+ return waitForTimeout(RETRY_INTERVAL_MS).then(waitForRoutingVerified);
+ });
+ });
+ }
+
+ /**
+ * Ensure wifi is enabled/disabled.
+ *
+ * Issue a wifi enable/disable request if wifi is not in the desired state;
+ * return a resolved promise otherwise.
+ *
+ * Fulfill params: (none)
+ * Reject params: (none)
+ *
+ * @return a resolved promise or deferred promise.
+ */
+ function ensureWifiEnabled(aEnabled) {
+ let wifiManager = window.navigator.mozWifiManager;
+ if (wifiManager.enabled === aEnabled) {
+ return Promise.resolve();
+ }
+ let request = wifiManager.setWifiEnabled(aEnabled);
+ return wrapDomRequestAsPromise(request)
+ }
+
+ /**
+ * Ensure tethering manager exists.
+ *
+ * Check navigator property |mozTetheringManager| to ensure we could access
+ * tethering related function.
+ *
+ * Fulfill params: (none)
+ * Reject params: (none)
+ *
+ * @return A deferred promise.
+ */
+ function ensureTetheringManager() {
+ let deferred = Promise.defer();
+
+ tetheringManager = window.navigator.mozTetheringManager;
+
+ if (tetheringManager instanceof MozTetheringManager) {
+ deferred.resolve();
+ } else {
+ log("navigator.mozTetheringManager is unavailable");
+ deferred.reject();
+ }
+
+ return deferred.promise;
+ }
+
+ /**
+ * Add required permissions for tethering. Never reject.
+ *
+ * The permissions required for wifi testing are 'wifi-manage' and 'settings-write'.
+ * Never reject.
+ *
+ * Fulfill params: (none)
+ *
+ * @return A deferred promise.
+ */
+ function acquirePermission() {
+ let deferred = Promise.defer();
+
+ let permissions = [{ 'type': 'wifi-manage', 'allow': 1, 'context': window.document },
+ { 'type': 'settings-write', 'allow': 1, 'context': window.document },
+ { 'type': 'settings-read', 'allow': 1, 'context': window.document },
+ { 'type': 'settings-api-write', 'allow': 1, 'context': window.document },
+ { 'type': 'settings-api-read', 'allow': 1, 'context': window.document },
+ { 'type': 'mobileconnection', 'allow': 1, 'context': window.document }];
+
+ SpecialPowers.pushPermissions(permissions, function() {
+ deferred.resolve();
+ });
+
+ return deferred.promise;
+ }
+
+ /**
+ * Common test routine.
+ *
+ * Start a test with the given test case chain. The test environment will be
+ * settled down before the test. After the test, all the affected things will
+ * be restored.
+ *
+ * Fulfill params: (none)
+ * Reject params: (none)
+ *
+ * @param aTestCaseChain
+ * The test case entry point, which can be a function or a promise.
+ *
+ * @return A deferred promise.
+ */
+ suite.startTest = function(aTestCaseChain) {
+ function setUp() {
+ return ensureTetheringManager()
+ .then(acquirePermission);
+ }
+
+ function tearDown() {
+ waitFor(finish, function() {
+ return pendingEmulatorShellCount === 0;
+ });
+ }
+
+ return setUp()
+ .then(aTestCaseChain)
+ .then(function onresolve() {
+ tearDown();
+ }, function onreject(aReason) {
+ ok(false, 'Promise rejects during test' + (aReason ? '(' + aReason + ')' : ''));
+ tearDown();
+ });
+ };
+
+ //---------------------------------------------------
+ // Public test suite functions
+ //---------------------------------------------------
+ suite.ensureWifiEnabled = ensureWifiEnabled;
+ suite.setWifiTetheringEnabled = setWifiTetheringEnabled;
+ suite.getDataApnSettings = getDataApnSettings;
+ suite.setDataApnSettings = setDataApnSettings;
+ suite.setTetheringDunRequired = setTetheringDunRequired;
+
+
+ /**
+ * The common test routine for wifi tethering.
+ *
+ * Set 'ril.data.enabled' to true
+ * before testing and restore it afterward. It will also verify 'ril.data.enabled'
+ * and 'tethering.wifi.enabled' to be false in the beginning. Note that this routine
+ * will NOT change the state of 'tethering.wifi.enabled' so the user should enable
+ * than disable on his/her own. This routine will only check if tethering is turned
+ * off after testing.
+ *
+ * Fulfill params: (none)
+ * Reject params: (none)
+ *
+ * @param aTestCaseChain
+ * The test case entry point, which can be a function or a promise.
+ *
+ * @return A deferred promise.
+ */
+ suite.startTetheringTest = function(aTestCaseChain) {
+ let oriDataEnabled;
+ function verifyInitialState() {
+ return getSettings(SETTINGS_RIL_DATA_ENABLED)
+ .then(enabled => initTetheringTestEnvironment(enabled));
+ }
+
+ function initTetheringTestEnvironment(aEnabled) {
+ oriDataEnabled = aEnabled;
+ if (aEnabled) {
+ return Promise.resolve();
+ } else {
+ return Promise.all([waitForRilDataConnected(true),
+ setSettings1(SETTINGS_RIL_DATA_ENABLED, true)]);
+ }
+ }
+
+ function restoreToInitialState() {
+ return setSettings1(SETTINGS_RIL_DATA_ENABLED, oriDataEnabled);
+ }
+
+ return suite.startTest(function() {
+ return verifyInitialState()
+ .then(aTestCaseChain)
+ .then(restoreToInitialState, function onreject(aReason) {
+ return restoreToInitialState()
+ .then(() => { throw aReason; }); // Re-throw the orignal reject reason.
+ });
+ });
+ };
+
+ return suite;
+})();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 20:59:22 +0000