public void ErrorsAreIgnoredWithNoErrorWriter()
{
var reader = Substitute.For<IConsoleReader>();
var client = new ConsoleLoopClient(reader);
client.OnError("Hello");
}
public void Constructor()
{
var reader = Substitute.For<IConsoleReader>();
var client = new ConsoleLoopClient(reader);
client.Reader.Should().BeSameAs(reader);
}
public void ErrorWriterReceivesError()
{
const string errorText = "Hello, errors!";
var reader = Substitute.For<IConsoleReader>();
var sb = new StringBuilder();
using (var errorWriter = new StringWriter(sb))
{
var client = new ConsoleLoopClient(reader, errorWriter);
client.OnError(errorText);
}
sb.ToString().Should().Be(errorText + Environment.NewLine);
}
public void Prompts()
{
const string prompt = "[Prompt!] ";
var reader = Substitute.For<IConsoleReader>();
var lineInput = Substitute.For<IConsoleLineInput>();
lineInput.Prompt = prompt;
reader.LineInput.Returns(lineInput);
var client = new ConsoleLoopClient(reader);
client.Prompt.Should().Be(prompt);
const string newPrompt = "NewPrompt";
client.Prompt = newPrompt;
client.Prompt.Should().Be(newPrompt);
lineInput.Prompt.ToString().Should().Be(newPrompt);
client.DisplayPrompt();
lineInput.Received(1).DisplayPrompt();
}
/// <summary>
/// Utility for constructing loop clients.
/// </summary>
/// <param name="parameters">I/O parameters for loop.</param>
/// <returns>A constructed loop client.</returns>
public static ILoopClient CreateClient(LoopInputOutputParameters parameters)
{
var consoleInput = parameters.ConsoleInput ?? BasicConsole.Default;
var consoleOutput = parameters.ConsoleOutput ?? BasicConsole.Default;
var keyBindingSet = parameters.KeyBindingSet ?? ConsoleKeyBindingSet.Default;
var lineInput = parameters.LineInput ?? new ConsoleLineInput(
consoleOutput,
new ConsoleInputBuffer(),
new ConsoleHistory());
lineInput.Prompt = parameters.Prompt ?? Strings.DefaultPrompt;
var consoleReader = new ConsoleReader(lineInput, consoleInput, consoleOutput, keyBindingSet);
var consoleClient = new ConsoleLoopClient(consoleReader);
consoleClient.Reader.CommentCharacter = parameters.EndOfLineCommentCharacter;
return(consoleClient);
}
/// <summary>
/// Constructor that creates a loop with a default client.
/// </summary>
/// <param name="parameters">Optionally provides parameters controlling
/// the loop's input and output behaviors; if not provided, default
/// parameters are used.</param>
/// <param name="options">Options for loop.</param>
public Loop(LoopInputOutputParameters parameters, LoopOptions options = null) : this(options)
{
var consoleInput = parameters?.ConsoleInput ?? BasicConsoleInputAndOutput.Default;
var consoleOutput = parameters?.ConsoleOutput ?? BasicConsoleInputAndOutput.Default;
var keyBindingSet = parameters?.KeyBindingSet ?? ConsoleKeyBindingSet.Default;
var lineInput = parameters?.LineInput ?? new ConsoleLineInput(
consoleOutput,
new ConsoleInputBuffer(),
new ConsoleHistory(),
GenerateCompletions);
lineInput.Prompt = parameters?.Prompt ?? Strings.DefaultPrompt;
ConsoleReader = new ConsoleReader(lineInput, consoleInput, consoleOutput, keyBindingSet);
var consoleClient = new ConsoleLoopClient(
ConsoleReader,
parameters?.ErrorWriter ?? Console.Error);
consoleClient.Reader.CommentCharacter = options?.EndOfLineCommentCharacter;
Client = consoleClient;
}
public void ReadLine()
{
const string lineText = "The line that was read.";
var reader = Substitute.For<IConsoleReader>();
var lineInput = Substitute.For<IConsoleLineInput>();
reader.LineInput.Returns(lineInput);
reader.ReadLine().Returns(lineText);
var client = new ConsoleLoopClient(reader);
client.ReadLine().Should().Be(lineText);
reader.Received(1).ReadLine();
}