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ExecuteReplCommandTests.cs
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using System;
using System.Collections.Generic;
using System.Text;
using Moq;
using Ploeh.AutoFixture.Xunit;
using ScriptCs.Command;
using ScriptCs.Contracts;
using ScriptCs.Hosting;
using ScriptCs.Logging;
using Should;
using Xunit.Extensions;
namespace ScriptCs.Tests
{
public class ExecuteReplCommandTests
{
public class TheExecuteMethod
{
[Theory, ScriptCsAutoData]
public void ShouldPromptForInput(
[Frozen] Mock<IFileSystem> fileSystem,
[Frozen] Mock<IConsole> console,
[Frozen] Mock<IInitializationServices> initializationServices,
[Frozen] Mock<IScriptServicesBuilder> servicesBuilder,
ScriptServices services)
{
// arrange
var config = new Config { Repl = true };
var readLines = 0;
var builder = new StringBuilder();
console.Setup(x => x.ReadLine()).Callback(() => readLines++).Throws(new Exception());
console.Setup(x => x.Write(It.IsAny<string>())).Callback<string>(value => builder.Append(value));
initializationServices.Setup(i => i.GetFileSystem()).Returns(fileSystem.Object);
servicesBuilder.SetupGet(b => b.InitializationServices).Returns(initializationServices.Object);
servicesBuilder.SetupGet(b => b.ConsoleInstance).Returns(console.Object);
servicesBuilder.Setup(b => b.Build()).Returns(services);
var factory = new CommandFactory(servicesBuilder.Object);
var sut = factory.CreateCommand(config, new string[0]);
// act
sut.Execute();
// assert
builder.ToString().EndsWith("> ").ShouldBeTrue();
readLines.ShouldEqual(1);
}
[Theory, ScriptCsAutoData]
public void WhenPassedAScript_ShouldPressedReplWithScript(
[Frozen] Mock<IScriptEngine> scriptEngine,
[Frozen] Mock<IConsole> console,
[Frozen] Mock<IFileSystem> fileSystem,
[Frozen] Mock<IInitializationServices> initializationServices,
[Frozen] Mock<IScriptServicesBuilder> servicesBuilder,
ScriptServices services)
{
// arrange
var args = new Config { Repl = true, ScriptName = "test.csx", };
scriptEngine.Setup(x => x.Execute(
"#load test.csx",
It.IsAny<string[]>(),
It.IsAny<AssemblyReferences>(),
It.IsAny<IEnumerable<string>>(),
It.IsAny<ScriptPackSession>()));
console.Setup(x => x.ReadLine()).Throws(new Exception());
initializationServices.Setup(i => i.GetFileSystem()).Returns(fileSystem.Object);
servicesBuilder.SetupGet(b => b.InitializationServices).Returns(initializationServices.Object);
servicesBuilder.Setup(b => b.Build()).Returns(services);
var factory = new CommandFactory(servicesBuilder.Object);
var sut = factory.CreateCommand(args, new string[0]);
// act
sut.Execute();
// assert
scriptEngine.Verify();
}
[Theory, ScriptCsAutoData]
public void WhenNotPassedAScript_ShouldNotCallTheEngineAutomatically(
[Frozen] Mock<IScriptEngine> scriptEngine,
[Frozen] Mock<IConsole> console,
[Frozen] Mock<IFileSystem> fileSystem,
[Frozen] Mock<IInitializationServices> initializationServices,
[Frozen] Mock<IScriptServicesBuilder> servicesBuilder,
ScriptServices services)
{
// arrange
var config = new Config { Repl = true };
console.Setup(x => x.ReadLine()).Throws(new Exception());
initializationServices.Setup(i => i.GetFileSystem()).Returns(fileSystem.Object);
servicesBuilder.SetupGet(b => b.InitializationServices).Returns(initializationServices.Object);
servicesBuilder.Setup(b => b.Build()).Returns(services);
var factory = new CommandFactory(servicesBuilder.Object);
var sut = factory.CreateCommand(config, new string[0]);
// act
sut.Execute();
// assert
scriptEngine.Verify(
x => x.Execute(
It.IsAny<string>(),
It.IsAny<string[]>(),
It.IsAny<AssemblyReferences>(),
It.IsAny<IEnumerable<string>>(),
It.IsAny<ScriptPackSession>()),
Times.Never());
}
[Theory, ScriptCsAutoData]
public void MigratesTheFileSystem(
[Frozen] Mock<IFileSystem> fileSystem,
[Frozen] Mock<IConsole> console,
[Frozen] Mock<IFileSystemMigrator> fileSystemMigrator,
IScriptLibraryComposer composer)
{
// arrange
console.Setup(c => c.ReadLine()).Throws(new Exception());
var sut = new ExecuteReplCommand(
null,
null,
fileSystem.Object,
new Mock<IScriptPackResolver>().Object,
new Mock<IRepl>().Object,
new Mock<ILog>().Object,
console.Object,
new Mock<IAssemblyResolver>().Object,
fileSystemMigrator.Object,
composer
);
// act
sut.Execute();
// assert
fileSystemMigrator.Verify(m => m.Migrate(), Times.Once);
}
[Theory, ScriptCsAutoData]
public void ShouldComposeScripts([Frozen] Mock<IFileSystem> fileSystem, Mock<IScriptLibraryComposer> composer)
{
var cmd = new ExecuteScriptCommand(
null,
null,
fileSystem.Object,
new Mock<IScriptExecutor>().Object,
new Mock<IScriptPackResolver>().Object,
new Mock<ILog>().Object,
new Mock<IAssemblyResolver>().Object,
new Mock<IFileSystemMigrator>().Object,
composer.Object);
cmd.Execute();
composer.Verify(c => c.Compose(It.IsAny<string>(),null));
}
}
}
}