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How to use InMemoryDbCollection method of Microsoft.Coyote.Samples.AccountManager.InMemoryDbCollection class

Best Coyote code snippet using Microsoft.Coyote.Samples.AccountManager.InMemoryDbCollection.InMemoryDbCollection

Program.cs

Source:Program.cs

...52        [Microsoft.Coyote.SystematicTesting.Test]53        public static async Task TestAccountCreation()54        {55            // Initialize the mock in-memory DB and account manager.56            var dbCollection = new InMemoryDbCollection();57            var accountManager = new AccountManager(dbCollection);58            // Create some dummy data.59            string accountName = "MyAccount";60            string accountPayload = "...";61            // Create the account, it should complete successfully and return true.62            var result = await accountManager.CreateAccount(accountName, accountPayload);63            Assert.True(result);64            // Create the same account again. The method should return false this time.65            result = await accountManager.CreateAccount(accountName, accountPayload);66            Assert.False(result);67        }68        [Microsoft.Coyote.SystematicTesting.Test]69        public static async Task TestConcurrentAccountCreation()70        {71            // Initialize the mock in-memory DB and account manager.72            var dbCollection = new InMemoryDbCollection();73            var accountManager = new AccountManager(dbCollection);74            // Create some dummy data.75            string accountName = "MyAccount";76            string accountPayload = "...";77            // Call CreateAccount twice without awaiting, which makes both methods run78            // asynchronously with each other.79            var task1 = accountManager.CreateAccount(accountName, accountPayload);80            // await Task.Delay(1); // Enable artificial delay to make bug harder to manifest.81            var task2 = accountManager.CreateAccount(accountName, accountPayload);82            // Then wait both requests to complete.83            await Task.WhenAll(task1, task2);84            // Finally, assert that only one of the two requests succeeded and the other85            // failed. Note that we do not know which one of the two succeeded as the86            // requests ran concurrently (this is why we use an exclusive OR).87            Assert.True(task1.Result ^ task2.Result);88        }89        [Microsoft.Coyote.SystematicTesting.Test]90        public static async Task TestConcurrentAccountDeletion()91        {92            // Initialize the mock in-memory DB and account manager.93            var dbCollection = new InMemoryDbCollection();94            var accountManager = new AccountManager(dbCollection);95            // Create some dummy data.96            string accountName = "MyAccount";97            string accountPayload = "...";98            // Create the account and wait for it to complete.99            await accountManager.CreateAccount(accountName, accountPayload);100            // Call DeleteAccount twice without awaiting, which makes both methods run101            // asynchronously with each other.102            var task1 = accountManager.DeleteAccount(accountName);103            var task2 = accountManager.DeleteAccount(accountName);104            // Then wait both requests to complete.105            await Task.WhenAll(task1, task2);106            // Finally, assert that only one of the two requests succeeded and the other107            // failed. Note that we do not know which one of the two succeeded as the108            // requests ran concurrently (this is why we use an exclusive OR).109            Assert.True(task1.Result ^ task2.Result);110        }111        [Microsoft.Coyote.SystematicTesting.Test]112        public static async Task TestConcurrentAccountCreationAndDeletion()113        {114            // Initialize the mock in-memory DB and account manager.115            var dbCollection = new InMemoryDbCollection();116            var accountManager = new AccountManager(dbCollection);117            // Create some dummy data.118            string accountName = "MyAccount";119            string accountPayload = "...";120            // Call CreateAccount and DeleteAccount without awaiting, which makes both121            // methods run asynchronously with each other.122            var createTask = accountManager.CreateAccount(accountName, accountPayload);123            var deleteTask = accountManager.DeleteAccount(accountName);124            // Then wait both requests to complete.125            await Task.WhenAll(createTask, deleteTask);126            // The CreateAccount request will always succeed, no matter what. The DeleteAccount127            // may or may not succeed depending on if it finds the account already created or128            // not created while executing concurrently with the CreateAccount request.129            Assert.True(createTask.Result);...

InMemoryDbCollection.cs

Source:InMemoryDbCollection.cs

...3using System.Collections.Concurrent;4using System.Threading.Tasks;5namespace Microsoft.Coyote.Samples.AccountManager6{7    public class InMemoryDbCollection : IDbCollection8    {9        private readonly ConcurrentDictionary<string, string> Collection;10        public InMemoryDbCollection()11        {12            this.Collection = new ConcurrentDictionary<string, string>();13        }14        public Task<bool> CreateRow(string key, string value)15        {16            return Task.Run(() =>17            {18                bool success = this.Collection.TryAdd(key, value);19                if (!success)20                {21                    throw new RowAlreadyExistsException();22                }23                return true;24            });...

InMemoryDbCollection

Using AI Code Generation

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

InMemoryDbCollection

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Samples.AccountManager;7{8    {9        static void Main(string[] args)10        {11            var collection = new InMemoryDbCollection();12            collection.Add(new Account() { Name = "Alice", Balance = 100 });13            collection.Add(new Account() { Name = "Bob", Balance = 150 });14            collection.Add(new Account() { Name = "Carol", Balance = 200 });15            foreach (var account in collection)16            {17                Console.WriteLine(account.Name + " - " + account.Balance);18            }19        }20    }21}

InMemoryDbCollection

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using Microsoft.Coyote;5using Microsoft.Coyote.Actors;6using Microsoft.Coyote.Samples.AccountManager;7using Microsoft.Coyote.Tasks;8{9    {10        static async Task Main(string[] args)11        {12            using (var runtime = RuntimeFactory.Create())13            {14                await runtime.StartAsync();15                var manager = ActorId.CreateActor(typeof(AccountManager));16                runtime.SendEvent(manager, new CreateAccount("John Doe"));17                runtime.SendEvent(manager, new CreateAccount("Jane Doe"));18                var bank = ActorId.CreateActor(typeof(Bank));19                runtime.SendEvent(bank, new Deposit(100));20                runtime.SendEvent(bank, new Withdraw(50));21                await runtime.WaitAsync();22                runtime.Stop();23            }24        }25    }26}27using System;28using System.Collections.Generic;29using System.Text;30using Microsoft.Coyote;31using Microsoft.Coyote.Actors;32using Microsoft.Coyote.Samples.AccountManager;33using Microsoft.Coyote.Tasks;34{35    {36        static async Task Main(string[] args)37        {38            using (var runtime = RuntimeFactory.Create())39            {40                await runtime.StartAsync();41                var manager = ActorId.CreateActor(typeof(AccountManager));

InMemoryDbCollection

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Samples.AccountManager;7using Microsoft.Coyote.Samples.AccountManager.Accounts;8{9    {10        static void Main(string[] args)11        {12            var db = new InMemoryDbCollection();13            var acc = new Account { Name = "John", Balance = 100 };14            db.Add(acc);15            var acc2 = db.Get(acc.Id);16            Console.WriteLine(acc2.Name + " " + acc2.Balance);17            Console.ReadLine();18        }19    }20}21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26using Microsoft.Coyote.Samples.AccountManager;27using Microsoft.Coyote.Samples.AccountManager.Accounts;28{29    {30        static void Main(string[] args)31        {32            var db = new InMemoryDbCollection();33            var acc = new Account { Name = "John", Balance = 100 };34            db.Add(acc);35            var acc2 = db.Get(acc.Id);36            Console.WriteLine(acc2.Name + " " + acc2.Balance);37            Console.ReadLine();38        }39    }40}41using System;42using System.Collections.Generic;43using System.Linq;44using System.Text;45using System.Threading.Tasks;46using Microsoft.Coyote.Samples.AccountManager;47using Microsoft.Coyote.Samples.AccountManager.Accounts;48{49    {50        static void Main(string[] args)51        {52            var db = new InMemoryDbCollection();53            var acc = new Account { Name = "John", Balance = 100 };54            db.Add(acc);55            var acc2 = db.Get(acc.Id);56            Console.WriteLine(acc2.Name + " " + acc2.Balance);57            Console.ReadLine();58        }59    }60}61using System;62using System.Collections.Generic;63using System.Linq;

InMemoryDbCollection

Using AI Code Generation

1using Microsoft.Coyote.Samples.AccountManager;2using System;3using System.Collections.Generic;4using System.Text;5{6    {7        private InMemoryDbCollection<Account> accounts;8        public AccountManager()9        {10            this.accounts = new InMemoryDbCollection<Account>();11        }12        public void AddAccount(Account account)13        {14            this.accounts.Add(account);15        }16        public void RemoveAccount(Account account)17        {18            this.accounts.Remove(account);19        }20        public void UpdateAccount(Account account)21        {22            this.accounts.Update(account);23        }24        public Account GetAccount(int id)25        {26            return this.accounts.Get(id);27        }28    }29}30using Microsoft.Coyote.Samples.AccountManager;31using System;32using System.Collections.Generic;33using System.Text;34{35    {36        public int Id { get; set; }37        public string Name { get; set; }38        public string Email { get; set; }39        public string Password { get; set; }40    }41}42using Microsoft.Coyote.Samples.AccountManager;43using System;44using System.Collections.Generic;45using System.Text;46{47    {48        public void Test()49        {50            AccountManager manager = new AccountManager();51            Account account = new Account()52            {

InMemoryDbCollection

Using AI Code Generation

1{2    {3        private readonly InMemoryDbCollection _dbCollection;4        public AccountManager()5        {6            _dbCollection = new InMemoryDbCollection();7        }8    }9}10{11    {12        private readonly InMemoryDbCollection _dbCollection;13        public AccountManager()14        {15            _dbCollection = new InMemoryDbCollection();16        }17    }18}19{20    {21        private readonly InMemoryDbCollection _dbCollection;22        public AccountManager()23        {24            _dbCollection = new InMemoryDbCollection();25        }26    }27}28{29    {30        private readonly InMemoryDbCollection _dbCollection;31        public AccountManager()32        {33            _dbCollection = new InMemoryDbCollection();34        }35    }36}37{38    {39        private readonly InMemoryDbCollection _dbCollection;40        public AccountManager()41        {42            _dbCollection = new InMemoryDbCollection();43        }44    }45}

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