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

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

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.Tasks;8using Microsoft.Coyote.Actors;9using Microsoft.Coyote;10using Microsoft.Coyote.TestingServices;11using Microsoft.Coyote.TestingServices.SchedulingStrategies;12using Microsoft.Coyote.TestingServices.Runtime;13using Microsoft.Coyote.TestingServices.Coverage;14using Microsoft.Coyote.TestingServices.Rewriting;15using Microsoft.Coyote.IO;16using System.Threading;17using System.Diagnostics;18{19    {20        static void Main(string[] args)21        {22            var configuration = Configuration.Create().WithTestingIterations(1).WithStrategy(new RandomStrategy());23            var result = TestingEngine.Test(configuration, TestAccountManager);24            if (result is null)25            {26                Console.WriteLine("Test failed");27            }28            {29                Console.WriteLine("Test passed");30            }31        }32        static async Task TestAccountManager()33        {34            var collection = new InMemoryDbCollection();35            var accountManager = Actor.CreateFromTask<IAccountManager>(collection, (collection) =>36                AccountManager.Create(collection));37            var account = await accountManager.CreateAccountAsync("John Doe");38            var balance = await accountManager.GetBalanceAsync(account);39            await accountManager.DepositAsync(account, 10);40            balance = await accountManager.GetBalanceAsync(account);41            await accountManager.WithdrawAsync(account, 5);42            balance = await accountManager.GetBalanceAsync(account);43        }44    }45}46using System;47using System.Collections.Generic;48using System.Linq;49using System.Text;50using System.Threading.Tasks;51using Microsoft.Coyote.Samples.AccountManager;52using Microsoft.Coyote.Tasks;53using Microsoft.Coyote.Actors;54using Microsoft.Coyote;55using Microsoft.Coyote.TestingServices;56using Microsoft.Coyote.TestingServices.SchedulingStrategies;57using Microsoft.Coyote.TestingServices.Runtime;58using Microsoft.Coyote.TestingServices.Coverage;59using Microsoft.Coyote.TestingServices.Rewriting;60using Microsoft.Coyote.IO;61using System.Threading;62using System.Diagnostics;63{64    {

InMemoryDbCollection

Using AI Code Generation

1using Microsoft.Coyote.Samples.AccountManager;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8{9static void Main(string[] args)10{11var collection = new InMemoryDbCollection();12collection.Add("1", "John");13collection.Add("2", "Mary");14collection.Add("3", "Alice");15collection.Add("4", "Bob");16collection.Add("5", "Peter");17collection.Add("6", "Jane");18collection.Add("7", "Steve");19collection.Add("8", "Paul");20collection.Add("9", "George");21collection.Add("10", "Ringo");22var result = collection.Find("3");23Console.WriteLine(result);24}25}26}

InMemoryDbCollection

Using AI Code Generation

1using Microsoft.Coyote.Samples.AccountManager;2using System;3{4    {5        static void Main(string[] args)6        {7            InMemoryDbCollection collection = new InMemoryDbCollection();8            collection.Add("A", "B");9            Console.WriteLine(collection.Get("A"));10            collection.Remove("A");11            Console.WriteLine(collection.Get("A"));12        }13    }14}15using Microsoft.Coyote.Samples.AccountManager;16using System;17{18    {19        static void Main(string[] args)20        {21            InMemoryDbCollection collection = new InMemoryDbCollection();22            collection.Add("A", "B");23            collection.Add("C", "D");24            collection.Add("E", "F");25            foreach (var pair in collection)26            {27                Console.WriteLine("{0} {1}", pair.Key, pair.Value);28            }29        }30    }31}32using Microsoft.Coyote.Samples.AccountManager;33using System;34{35    {36        static void Main(string[] args)37        {38            InMemoryDbCollection collection = new InMemoryDbCollection();

InMemoryDbCollection

Using AI Code Generation

1using Microsoft.Coyote.Samples.AccountManager;2using Microsoft.CoyoteActors.TestingServices.Runtime;3using Microsoft.CoyoteActors.TestingServices.SchedulingStrategies;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10    {11        public static void Main(string[] args)12        {

InMemoryDbCollection

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.AccountManager;5using Microsoft.Coyote.Tasks;6{7    {8        static void Main(string[] args)9        {10            RunProgram().Wait();11        }12        static async Task RunProgram()13        {14            var config = Configuration.Create();15            config.MaxSchedulingSteps = 100;16            config.MaxFairSchedulingSteps = 100;17            config.MaxInterleavings = 100;18            config.MaxUnfairSchedulingSteps = 100;19            config.MaxStepsFromAnyThread = 100;20            config.MaxStepsInCallback = 100;21            config.MaxStepsInControlledTask = 100;22            config.MaxStepsInParallelState = 100;23            config.MaxStepsInState = 100;24            config.MaxStepsInTask = 100;25            config.MaxStepsInWaitState = 100;26            config.MaxStepsInWaitAsyncState = 100;27            config.MaxStepsInWaitAnyState = 100;28            config.MaxStepsInWaitAllState = 100;29            config.MaxStepsInWaitAnyAsyncState = 100;30            config.MaxStepsInWaitAllAsyncState = 100;31            config.MaxStepsInYieldState = 100;32            config.MaxStepsInYieldAsyncState = 100;33            config.MaxStepsInOnEventState = 100;34            config.MaxStepsInOnEventAsyncState = 100;35            config.MaxStepsInOnEventDoActionState = 100;36            config.MaxStepsInOnEventDoActionAsyncState = 100;37            config.MaxStepsInOnEventGotoState = 100;38            config.MaxStepsInOnEventGotoAsyncState = 100;39            config.MaxStepsInOnEventGotoStateWithActionState = 100;40            config.MaxStepsInOnEventGotoStateWithActionAsyncState = 100;41            config.MaxStepsInOnEventGotoStateWithActionAndFuncState = 100;42            config.MaxStepsInOnEventGotoStateWithActionAndFuncAsyncState = 100;43            config.MaxStepsInOnEventGotoStateWithFuncState = 100;44            config.MaxStepsInOnEventGotoStateWithFuncAsyncState = 100;45            config.MaxStepsInOnEventGotoStateWithFuncAndActionState = 100;

InMemoryDbCollection

Using AI Code Generation

1using Microsoft.Coyote.Samples.AccountManager;2using System;3{4    {5        static void Main(string[] args)6        {7            var accounts = new InMemoryDbCollection<Account>();8            accounts.Add(new Account(1, "John", 1000));9            accounts.Add(new Account(2, "Jane", 2000));10            accounts.Add(new Account(3, "Joe", 3000));11            accounts.Add(new Account(4, "Jill", 4000));12            accounts.Add(new Account(5, "Jack", 5000));13            accounts.Add(new Account(6, "Jane", 6000));14                        select a;15            foreach (var account in query)16            {17                Console.WriteLine(account);18            }19        }20    }21}22Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "3", "3.csproj", "{E2D2F6E8-2DAD-4B2B-8C5C-0D3CCE9B5B5E}"23	GlobalSection(SolutionConfigurationPlatforms) = preSolution24	GlobalSection(ProjectConfigurationPlatforms) = postSolution25		{E2D2F6E8-2DAD-4B2B-8C5C-0D3CCE9B5B5E}.Debug|Any CPU.ActiveCfg =

InMemoryDbCollection

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using Microsoft.Coyote;6using Microsoft.Coyote.Samples.AccountManager;7using Microsoft.Coyote.Samples.AccountManager.Models;8using Microsoft.Coyote.Tasks;9{10    {11        static async Task Main(string[] args)12        {13            var accounts = new InMemoryDbCollection<UserAccount>();14            await accounts.AddAsync(new UserAccount { Id = 1, Username = "alice", Email = "

InMemoryDbCollection

Using AI Code Generation

1ActorId accountManager = ActorId.CreateRandom();2var accountManagerProxy = ActorProxy.Create<IAccountManager>(accountManager);3await accountManagerProxy.CreateAccountAsync("John Doe");4var account = await accountManagerProxy.GetAccountAsync("John Doe");5await accountProxy.DepositAsync(100);6await accountProxy.WithdrawAsync(50);7var balance = await accountProxy.GetBalanceAsync();8ActorId accountManager = ActorId.CreateRandom();9var accountManagerProxy = ActorProxy.Create<IAccountManager>(accountManager);10await accountManagerProxy.CreateAccountAsync("John Doe");11var account = await accountManagerProxy.GetAccountAsync("John Doe");12await accountProxy.DepositAsync(100);13await accountProxy.WithdrawAsync(50);14var balance = await accountProxy.GetBalanceAsync();15ActorId accountManager = ActorId.CreateRandom();16var accountManagerProxy = ActorProxy.Create<IAccountManager>(accountManager);17await accountManagerProxy.CreateAccountAsync("John Doe");18var account = await accountManagerProxy.GetAccountAsync("John Doe");19await accountProxy.DepositAsync(100);20await accountProxy.WithdrawAsync(50);21var balance = await accountProxy.GetBalanceAsync();22ActorId accountManager = ActorId.CreateRandom();23var accountManagerProxy = ActorProxy.Create<IAccountManager>(accountManager);24await accountManagerProxy.CreateAccountAsync("John Doe");25var account = await accountManagerProxy.GetAccountAsync("John Doe");26await accountProxy.DepositAsync(100);27await accountProxy.WithdrawAsync(50);28var balance = await accountProxy.GetBalanceAsync();29ActorId accountManager = ActorId.CreateRandom();30var accountManagerProxy = ActorProxy.Create<IAccountManager>(accountManager);31await accountManagerProxy.CreateAccountAsync("John Doe");32var account = await accountManagerProxy.GetAccountAsync("John Doe");33await accountProxy.DepositAsync(100);34await accountProxy.WithdrawAsync(50);

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