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How to use UpdateAccount method of Microsoft.Coyote.Samples.AccountManager.ETags.AccountManager class

Best Coyote code snippet using Microsoft.Coyote.Samples.AccountManager.ETags.AccountManager.UpdateAccount

Program.cs

Source:Program.cs

...19            string accountName = "MyAccount";20            // Create the account, it should complete successfully and return true.21            var result = await accountManager.CreateAccount(accountName, "first_version", 1);22            Assert.True(result);23            result = await accountManager.UpdateAccount(accountName, "second_version", 2);24            Assert.True(result);25            result = await accountManager.UpdateAccount(accountName, "second_version_alt", 2);26            Assert.False(result);27        }28        [Microsoft.Coyote.SystematicTesting.Test]29        public static async Task TestConcurrentAccountUpdate()30        {31            // Initialize the mock in-memory DB and account manager.32            var dbCollection = new InMemoryDbCollection();33            var accountManager = new AccountManager(dbCollection);34            string accountName = "MyAccount";35            // Create the account, it should complete successfully and return true.36            var result = await accountManager.CreateAccount(accountName, "first_version", 1);37            Assert.True(result);38            // Call UpdateAccount twice without awaiting, which makes both methods run39            // asynchronously with each other.40            var task1 = accountManager.UpdateAccount(accountName, "second_version", 2);41            var task2 = accountManager.UpdateAccount(accountName, "second_version_alt", 2);42            // Then wait both requests to complete.43            await Task.WhenAll(task1, task2);44            // Finally, assert that only one of the two requests succeeded and the other45            // failed. Note that we do not know which one of the two succeeded as the46            // requests ran concurrently (this is why we use an exclusive OR).47            Assert.True(task1.Result ^ task2.Result);48        }49        [Microsoft.Coyote.SystematicTesting.Test]50        public static async Task TestGetAccountAfterConcurrentUpdate()51        {52            // Initialize the mock in-memory DB and account manager.53            var dbCollection = new InMemoryDbCollection();54            var accountManager = new AccountManager(dbCollection);55            string accountName = "MyAccount";56            // Create the account, it should complete successfully and return true.57            var result = await accountManager.CreateAccount(accountName, "first_version", 1);58            Assert.True(result);59            // Call UpdateAccount twice without awaiting, which makes both methods run60            // asynchronously with each other.61            var task1 = accountManager.UpdateAccount(accountName, "second_version", 2);62            var task2 = accountManager.UpdateAccount(accountName, "third_version", 3);63            // Then wait both requests to complete.64            await Task.WhenAll(task1, task2);65            // Finally, get the account and assert that the version is always 3,66            // which is the latest updated version.67            var account = await accountManager.GetAccount(accountName);68            Assert.True(account.Version == 3);69        }70    }71}...

AccountManager.cs

Source:AccountManager.cs

...30                return false;31            }32        }33        // Returns true if the account is updated, else false.34        public async Task<bool> UpdateAccount(string accountName, string accountPayload, int accountVersion)35        {36            Account existingAccount;37            Guid existingAccountETag;38            // Naive retry if ETags mismatch. In reality, you would use a proper retry policy.39            while (true)40            {41                try42                {43                    (string value, Guid etag) = await this.AccountCollection.GetRow(accountName);44                    existingAccount = JsonSerializer.Deserialize<Account>(value);45                    existingAccountETag = etag;46                }47                catch (RowNotFoundException)48                {...

UpdateAccount

Using AI Code Generation

1using Microsoft.Coyote.Samples.AccountManager.ETags;2using Microsoft.Coyote.Samples.AccountManager.ETags.Models;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            var accountManager = new AccountManager();13            {14            };15            accountManager.CreateAccount(account);16            account.Balance = 200;17            accountManager.UpdateAccount(account);18        }19    }20}21using Microsoft.Coyote.Samples.AccountManager.ETags;22using Microsoft.Coyote.Samples.AccountManager.ETags.Models;23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28{29    {30        static void Main(string[] args)31        {32            var accountManager = new AccountManager();33            {34            };35            accountManager.CreateAccount(account);36            account.Balance = 200;37            accountManager.UpdateAccount(account);38            account.Balance = 150;39            accountManager.UpdateAccount(account);40        }41    }42}43using Microsoft.Coyote.Samples.AccountManager.ETags;44using Microsoft.Coyote.Samples.AccountManager.ETags.Models;45using System;46using System.Collections.Generic;47using System.Linq;48using System.Text;49using System.Threading.Tasks;50{51    {52        static void Main(string[] args)53        {54            var accountManager = new AccountManager();55            {56            };57            accountManager.CreateAccount(account);58            account.Balance = 200;59            accountManager.UpdateAccount(account);60            account.Balance = 150;61            accountManager.UpdateAccount(account);62            account.Balance = 250;

UpdateAccount

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.AccountManager.ETags;5{6    {7        static void Main(string[] args)8        {9            var accountManager = new AccountManager();10            var account = new Account();11            account.Id = 1;12            account.FirstName = "John";13            account.LastName = "Doe";

UpdateAccount

Using AI Code Generation

1using Microsoft.Coyote.Samples.AccountManager.ETags;2{3    public static void Main(string[] args)4    {5        AccountManager accountManager = new AccountManager();6        accountManager.UpdateAccount(1, "John", "Doe");7    }8}9public void UpdateAccount(int id, string firstName, string lastName)

UpdateAccount

Using AI Code Generation

1{2    {3        public void UpdateAccount(string accountId, string accountName)4        {5        }6    }7}8using Microsoft.Coyote.Samples.AccountManager.ETags;9{10    {11        private AccountManager accountManager;12        public void UpdateAccount(string accountId, string accountName)13        {14        }15    }16}17using Microsoft.Coyote.Samples.AccountManager.ETags;18{19    {20        private AccountManager accountManager;21        public void UpdateAccount(string accountId, string accountName)22        {23        }24    }25}26using Microsoft.Coyote.Samples.AccountManager.ETags;27{28    {29        private AccountManager accountManager;30        public void UpdateAccount(string accountId, string accountName)31        {32        }33    }34}35using Microsoft.Coyote.Samples.AccountManager.ETags;36{37    {38        private AccountManager accountManager;39        public void UpdateAccount(string accountId, string accountName)40        {41        }42    }43}

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