How to use NullPreconditions class of DotNet.Testcontainers.Tests.Unit package

Best Testcontainers-dotnet code snippet using DotNet.Testcontainers.Tests.Unit.NullPreconditions

GuardTest.cs

Source:GuardTest.cs Github

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...4 using DotNet.Testcontainers.Configurations;5 using Xunit;6 public static class GuardTest7 {8 public static class NullPreconditions9 {10 public sealed class DoNotThrowException11 {12 [Fact]13 public void IfNull()14 {15 var exception = Record.Exception(() => Guard.Argument((object)null, nameof(this.IfNull)).Null());16 Assert.Null(exception);17 }18 [Fact]19 public void IfNotNull()20 {21 var exception = Record.Exception(() => Guard.Argument(new object(), nameof(this.IfNotNull)).NotNull());22 Assert.Null(exception);...

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NullPreconditions

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1using System;2using System.Threading.Tasks;3using DotNet.Testcontainers.Containers.Builders;4using DotNet.Testcontainers.Containers.Configurations.Databases;5using DotNet.Testcontainers.Containers.Modules;6using DotNet.Testcontainers.Containers.WaitStrategies;7using DotNet.Testcontainers.Tests.Unit.Containers.Configurations;8using Microsoft.Extensions.Logging;9using Xunit;10{11 {12 public async Task MySql()13 {14 var mySqlTestcontainer = new TestcontainersBuilder<TestcontainersContainer>()15 .WithDatabase(new MySqlTestcontainerConfiguration())16 .WithWaitStrategy(Wait.ForUnixContainer().UntilPortIsAvailable(3306))17 .Build();18 await mySqlTestcontainer.StartAsync();19 Console.WriteLine($"Docker Host IP Address: {mySqlTestcontainer.Hostname}");20 Console.WriteLine($"MySQL Port: {mySqlTestcontainer.GetMappedPublicPort(3306)}");21 Console.WriteLine($"MySQL Database: {mySqlTestcontainer.Database}");22 Console.WriteLine($"MySQL Username: {mySqlTestcontainer.Username}");23 Console.WriteLine($"MySQL Password: {mySqlTestcontainer.Password}");24 await mySqlTestcontainer.StopAsync();25 }26 }27}28using System;29using System.Threading.Tasks;30using DotNet.Testcontainers.Containers.Builders;31using DotNet.Testcontainers.Containers.Configurations.Databases;32using DotNet.Testcontainers.Containers.Modules;33using DotNet.Testcontainers.Containers.WaitStrategies;34using DotNet.Testcontainers.Tests.Unit.Containers.Configurations;35using Microsoft.Extensions.Logging;36using Xunit;37{38 {39 public async Task Oracle()40 {41 var oracleTestcontainer = new TestcontainersBuilder<TestcontainersContainer>()42 .WithDatabase(new OracleTestcontainerConfiguration())43 .WithWaitStrategy(Wait.ForUnixContainer().UntilPortIsAvailable(1521))44 .Build();45 await oracleTestcontainer.StartAsync();46 Console.WriteLine($"Docker Host IP Address: {oracleTestcontainer.Hostname}");47 Console.WriteLine($"Oracle Port: {oracleTestcontainer.GetMappedPublicPort(1521)}");48 Console.WriteLine($"Oracle Database: {oracleTestcontainer.Database}");49 Console.WriteLine($"Oracle Username: {oracle

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NullPreconditions

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1using DotNet.Testcontainers.Tests.Unit;2using DotNet.Testcontainers.Tests.Unit.Fixtures;3using Xunit;4{5 {6 public void TestCheckNotNull()7 {8 NullPreconditions.CheckNotNull("test", "test");9 }10 }11}

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NullPreconditions

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1using DotNet.Testcontainers.Tests.Unit;2using DotNet.Testcontainers.Tests.Unit.Fixtures;3using Xunit;4{5 {6 public void TestCheckNotNull()7 {8 NullPreconditions.CheckNotNull(new object(), "test");9 }10 public void TestCheckNotNullWithNull()11 {12 Assert.Throws<ArgumentNullException>(() => NullPreconditions.CheckNotNull(null, "test"));13 }14 public void TestCheckNotNullOrEmpty()15 {16 NullPreconditions.CheckNotNullOrEmpty("test", "test");17 }18 public void TestCheckNotNullOrEmptyWithNull()19 {20 Assert.Throws<ArgumentNullException>(() => NullPreconditions.CheckNotNullOrEmpty(null, "test"));21 }22 public void TestCheckNotNullOrEmptyWithEmpty()23 {24 Assert.Throws<ArgumentException>(() => NullPreconditions.CheckNotNullOrEmpty(string.Empty, "test"));25 }26 }27}28using DotNet.Testcontainers.Tests.Unit;29using DotNet.Testcontainers.Tests.Unit.Fixtures;30using Xunit;31{32 {33 public void TestCheckNotNull()34 {35 NullPreconditions.CheckNotNull(new object(), "test");36 }37 public void TestCheckNotNullWithNull()38 {39 Assert.Throws<ArgumentNullException>(() => NullPreconditions.CheckNotNull(null, "test"));40 }41 public void TestCheckNotNullOrEmpty()42 {43 NullPreconditions.CheckNotNullOrEmpty("test", "test");44 }45 public void TestCheckNotNullOrEmptyWithNull()46 {47 Assert.Throws<ArgumentNullException>(() => NullPreconditions.CheckNotNullOrEmpty(null, "test"));48 }49 public void TestCheckNotNullOrEmptyWithEmpty()50 {51 Assert.Throws<ArgumentException>(() => NullPreconditions.CheckNotNullOrEmpty(string.Empty, "test"));52 }53 }54}55using DotNet.Testcontainers.Tests.Unit;56using DotNet.Testcontainers.Tests.Unit.Fixtures;57using Xunit;

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NullPreconditions

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1using DotNet.Testcontainers.Tests.Unit;2using FluentAssertions;3using Xunit;4{5 {6 public void ShouldThrowArgumentNullException()7 {8 var nullPreconditions = new NullPreconditions();9 nullPreconditions.Should().NotBeNull();10 }11 }12}

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NullPreconditions

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1using DotNet.Testcontainers.Tests.Unit;2using DotNet.Testcontainers.Tests.Unit.Containers;3using DotNet.Testcontainers.Tests.Unit.Containers.Configurations;4using Xunit;5{6 {7 public void CheckNotNull()8 {9 NullPreconditions.CheckNotNull(new TestcontainersContainer(new TestcontainersConfiguration()));10 }11 }12}

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NullPreconditions

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1var nullPreconditions = new NullPreconditions();2nullPreconditions.CheckNotNull("hello", "hello");3nullPreconditions.CheckNotNullOrEmpty("hello", "hello");4nullPreconditions.CheckNotNullOrWhiteSpace("hello", "hello");5nullPreconditions.CheckArgument(true, "hello");6var nullPreconditions = new NullPreconditions();7nullPreconditions.CheckNotNull("hello", "hello");8nullPreconditions.CheckNotNullOrEmpty("hello", "hello");9nullPreconditions.CheckNotNullOrWhiteSpace("hello", "hello");10nullPreconditions.CheckArgument(true, "hello");11var nullPreconditions = new NullPreconditions();12nullPreconditions.CheckNotNull("hello", "hello");13nullPreconditions.CheckNotNullOrEmpty("hello", "hello");14nullPreconditions.CheckNotNullOrWhiteSpace("hello", "hello");15nullPreconditions.CheckArgument(true, "hello");16var nullPreconditions = new NullPreconditions();17nullPreconditions.CheckNotNull("hello", "hello");18nullPreconditions.CheckNotNullOrEmpty("hello", "hello");19nullPreconditions.CheckNotNullOrWhiteSpace("hello", "hello");20nullPreconditions.CheckArgument(true, "hello");21var nullPreconditions = new NullPreconditions();22nullPreconditions.CheckNotNull("hello", "hello");23nullPreconditions.CheckNotNullOrEmpty("hello", "hello");24nullPreconditions.CheckNotNullOrWhiteSpace("hello", "hello");25nullPreconditions.CheckArgument(true, "hello");26var nullPreconditions = new NullPreconditions();27nullPreconditions.CheckNotNull("hello", "hello");28nullPreconditions.CheckNotNullOrEmpty("hello", "hello");29nullPreconditions.CheckNotNullOrWhiteSpace("hello", "hello");30nullPreconditions.CheckArgument(true, "hello");31var nullPreconditions = new NullPreconditions();

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NullPreconditions

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1using DotNet.Testcontainers.Tests.Unit;2using System;3using System.Collections.Generic;4using System.Text;5{6 {7 public static void CheckNotNull(string argument, string argumentName)8 {9 if (argument == null)10 {11 throw new ArgumentNullException(argumentName);12 }13 }14 public static void CheckNotNull<T>(T argument, string argumentName)15 {16 if (argument == null)17 {18 throw new ArgumentNullException(argumentName);19 }20 }21 }22}23using DotNet.Testcontainers.Tests.Unit;24using System;25using System.Collections.Generic;26using System.Text;27{28 {29 public static void CheckNotNull(string argument, string argumentName)30 {31 NullPreconditions.CheckNotNull(argument, argumentName);32 }33 public static void CheckNotNull<T>(T argument, string argumentName)34 {35 NullPreconditions.CheckNotNull(argument, argumentName);36 }37 }38}39using DotNet.Testcontainers.Tests.Unit;40using System;41using System.Collections.Generic;42using System.Text;43{44 {45 public static void CheckNotNull(string argument, string argumentName)46 {47 NullPreconditions.CheckNotNull(argument, argumentName);48 }49 public static void CheckNotNull<T>(T argument, string argumentName)50 {51 NullPreconditions.CheckNotNull(argument, argumentName);52 }53 }54}55using DotNet.Testcontainers.Tests.Unit;56using System;57using System.Collections.Generic;58using System.Text;59{60 {61 public static void CheckNotNull(string argument, string argumentName)62 {63 NullPreconditions.CheckNotNull(argument, argumentName);64 }65 public static void CheckNotNull<T>(T argument, string argumentName)66 {67 NullPreconditions.CheckNotNull(argument, argumentName);68 }69 }70}

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NullPreconditions

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1using DotNet.Testcontainers.Tests.Unit;2{3 static void Main(string[] args)4 {5 NullPreconditions.ThrowIfNull("test", null);6 }7}8using DotNet.Testcontainers.Tests.Unit;9{10 static void Main(string[] args)11 {12 NullPreconditions.ThrowIfNull("test", null);13 }14}15Unhandled exception. System.ArgumentNullException: Value cannot be null. (Parameter 'test')16 at DotNet.Testcontainers.Tests.Unit.NullPreconditions.ThrowIfNull[T](String name, T value)17 at ConsoleApp1.Program.Main(String[] args) in C:\Users\user\source\repos\ConsoleApp1\ConsoleApp1\Program.cs:line 918Unhandled exception. System.ArgumentNullException: Value cannot be null. (Parameter 'test')19 at DotNet.Testcontainers.Tests.Unit.NullPreconditions.ThrowIfNull[T](String name, T value)20 at ConsoleApp1.Program.Main(String[] args) in C:\Users\user\source\repos\ConsoleApp1\ConsoleApp1\Program.cs:line 921Unhandled exception. System.ArgumentNullException: Value cannot be null. (Parameter 'test')22 at DotNet.Testcontainers.Tests.Unit.NullPreconditions.ThrowIfNull[T](String name, T value)23 at ConsoleApp1.Program.Main(String[] args) in C:\Users\user\source\repos\ConsoleApp1\ConsoleApp1\Program.cs:line 924Unhandled exception. System.ArgumentNullException: Value cannot be null. (Parameter 'test')25 at DotNet.Testcontainers.Tests.Unit.NullPreconditions.ThrowIfNull[T](String name

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1using DotNet.Testcontainers.Tests.Unit;2using System;3{4 {5 static void Main(string[] args)6 {7 var nullPreconditions = new NullPreconditions();8 nullPreconditions.CheckNotNull("test", "test");9 }10 }11}

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1{2 public TestClass()3 {4 var container = new DockerContainer(image: "alpine:3.8", name: "test");5 container.Start();6 }7}

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