chore: use remote debugger for cookies

lib/commands/web.js

@@ -195,25 +195,28 @@ const commands = {
    * @this {XCUITestDriver}
    */
   async getCookies() {
-  if (!this.isWebContext()) {
-    throw new errors.NotImplementedError();
-  }
-
-    this.log.debug('Retrieving all cookies');
+    if (!this.isWebContext()) {
+      throw new errors.NotImplementedError();
+    }
 
-    let script = 'return document.cookie';
-    let jsCookies = await this.executeAtom('execute_script', [script, []]);
+    // get the cookies from the remote debugger, or an empty object
+    const cookies = await this.remote.getCookies() || {cookies: []};
 
-    let cookies = [];
-    try {
-      for (let [name, value] of _.toPairs(cookieUtils.createJWPCookie(undefined, jsCookies))) {
-        cookies.push({name, value});
+    // the value is URI encoded, so decode it safely
+    const decodedCookieValues = cookies.cookies.map((cookie) => {
+      try {
+        return decodeURI(cookie.value);
+      } catch (error) {
+        this.log.debug(`Cookie ${cookie.name} was not decoded successfully. Cookie value: ${cookie.value}`);
+        this.log.warn(error);
+        return undefined;
       }
-      return cookies;
-    } catch (err) {
-      this.log.error(err);
-      throw new errors.UnknownError(`Error parsing cookies from result: '${jsCookies}'`);
-    }
+    });
+
+    // zip cookies with decoded value, removing undefined cookie values
+    return _.zip(cookies.cookies, decodedCookieValues)
+      .filter(([, value]) => !_.isUndefined(value))
+      .map(([cookie, value]) => Object.assign({}, cookie, {value}));
   },
   /**
    * @this {XCUITestDriver}
@@ -250,14 +253,15 @@ const commands = {
       throw new errors.NotImplementedError();
     }
 
-    // check cookie existence
-    let cookies = await this.getCookies();
-    if (_.indexOf(_.map(cookies, 'name'), cookieName) === -1) {
+    const cookies = await this.getCookies();
+    const cookie = cookies.find((cookie) => cookie.name === cookieName);
+    if (!cookie) {
       this.log.debug(`Cookie '${cookieName}' not found. Ignoring.`);
       return true;
     }
 
-    return await this._deleteCookie(cookieName);
+    await this._deleteCookie(cookie);
+    return true;
   },
   /**
    * @this {XCUITestDriver}
@@ -267,11 +271,9 @@ const commands = {
       throw new errors.NotImplementedError();
     }
 
-    let cookies = await this.getCookies();
-    if (cookies.length) {
-      for (let cookie of cookies) {
-        await this._deleteCookie(cookie.name);
-      }
+    const cookies = await this.getCookies();
+    for (const cookie of cookies) {
+      await this._deleteCookie(cookie);
     }
     return true;
   },
@@ -282,10 +284,8 @@ const helpers = {
    * @this {XCUITestDriver}
    */
   async _deleteCookie(cookieName) {
-    this.log.debug(`Deleting cookie '${cookieName}'`);
-    let webCookie = cookieUtils.expireCookie(cookieName, {path: '/'});
-    let script = `document.cookie = ${JSON.stringify(webCookie)}`;
-    await this.executeAtom('execute_script', [script, []]);
+    const url = `http${cookie.secure ? 's' : ''}://${cookie.domain}${cookie.path}`;
+    return await this.remote.deleteCookie(cookie.name, url);
   },
   /**
    * @this {XCUITestDriver}