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 Github

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...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}...

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AccountManager.cs

Source: AccountManager.cs Github

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...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 {...

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UpdateAccount

Using AI Code Generation

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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;

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UpdateAccount

Using AI Code Generation

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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";

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UpdateAccount

Using AI Code Generation

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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)

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UpdateAccount

Using AI Code Generation

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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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