public void DisplayAllCompletions()
{
const string s = "So";
var console = new SimulatedConsoleOutput(width: 10);
const string prompt = "Prompt>";
var completions = new[] { "Some", "somebody", "Something", "soy" };
ConsoleCompletionHandler completionHandler = (tokens, tokenIndex) => completions;
var input = CreateInputWithText(console, s, completionHandler);
input.Prompt = prompt;
input.MoveCursorBackward(1).Should().BeTrue();
input.DisplayAllCompletions();
input.Contents.Should().Be(s);
GetContents(console).Replace('\0', ' ').TrimEnd().Should().Be(
"So " +
"Some " +
"somebody " +
"Something " +
"soy " +
prompt + s);
console.CursorTop.Should().Be(5);
console.CursorLeft.Should().Be(prompt.Length + s.Length - 1);
}
private void ReplaceWithAllCompletions(string text, int cursorIndex, IEnumerable <string> textAsTokens, int?expectedCompletionTokenIndex)
{
var calls = new List <Tuple <List <string>, int> >();
var console = new SimulatedConsoleOutput();
ConsoleCompletionHandler completionHandler = (tokens, tokenIndex) =>
{
calls.Add(Tuple.Create(tokens.ToList(), tokenIndex));
return(Enumerable.Empty <string>());
};
var input = CreateInputWithText(console, text, completionHandler);
input.MoveCursorToStart();
input.MoveCursorForward(cursorIndex).Should().BeTrue();
input.ReplaceCurrentTokenWithAllCompletions();
calls.Should().HaveCount(expectedCompletionTokenIndex.HasValue ? 1 : 0);
if (expectedCompletionTokenIndex.HasValue)
{
calls[0].Item1.Should().ContainInOrder(textAsTokens.ToArray());
calls[0].Item2.Should().Be(expectedCompletionTokenIndex.Value);
}
}
public void DisplayInColumnsWithEmptyList()
{
var console = new SimulatedConsoleOutput();
var input = CreateInput(console);
input.DisplayInColumns(new string[] { });
GetContents(console).Should().BeEmpty();
}
private static ConsoleReader CreateReader(IEnumerable <ConsoleKeyInfo> keyStream, ConsoleCompletionHandler completionHandler = null)
{
var consoleOutput = new SimulatedConsoleOutput();
var consoleInput = new SimulatedConsoleInput(keyStream);
var input = new ConsoleLineInput(consoleOutput, new ConsoleInputBuffer(), new ConsoleHistory(), completionHandler);
return(new ConsoleReader(input, consoleInput, consoleOutput, null));
}
private static ConsoleReader CreateReader(IEnumerable <ConsoleKeyInfo> keyStream = null, ConsoleCompletionHandler completionHandler = null)
{
var consoleOutput = new SimulatedConsoleOutput();
var consoleInput = new SimulatedConsoleInput(keyStream ?? Enumerable.Empty <ConsoleKeyInfo>());
var input = Substitute.For <IConsoleLineInput>();
return(new ConsoleReader(input, consoleInput, consoleOutput, null));
}
public void ReplaceCharAtEnd()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.Invoking(i => i.Replace('X')).Should().Throw <ArgumentOutOfRangeException>();
}
public void InsertStringLongerThanConsoleOutputBuffer()
{
const string s = "0123456789";
var console = new SimulatedConsoleOutput(width: 4, height: 2);
var input = CreateInput(console);
input.Invoking(i => i.Insert(s)).Should().Throw <NotImplementedException>();
}
public void TransformWithBogusFunction()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.MoveCursorToStart();
input.Invoking(i => i.TransformCurrentWord(null)).Should().Throw <ArgumentNullException>();
}
public void ReplaceCharAtEnd()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
Action replacement = () => input.Replace('X');
replacement.ShouldThrow <ArgumentOutOfRangeException>();
}
private static ConsoleReader CreateReader(IEnumerable <ConsoleKeyInfo> keyStream, ITokenCompleter tokenCompleter = null)
{
var consoleOutput = new SimulatedConsoleOutput();
var consoleInput = new SimulatedConsoleInput(keyStream);
var input = new ConsoleLineInput(consoleOutput, new ConsoleInputBuffer(), new ConsoleHistory())
{
TokenCompleter = tokenCompleter
};
return(new ConsoleReader(input, consoleInput, consoleOutput, null));
}
public void InsertStringAcrossLines()
{
const string s = "012345";
var console = new SimulatedConsoleOutput(width: 4);
var input = CreateInput(console);
input.Insert(s);
input.MoveCursorToEnd();
input.Contents.Should().Be(s);
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(1);
console.CursorLeft.Should().Be(s.Length - console.BufferWidth);
input.MoveCursorBackward(s.Length).Should().BeTrue();
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
input.MoveCursorForward(s.Length).Should().BeTrue();
console.CursorTop.Should().Be(1);
console.CursorLeft.Should().Be(s.Length - console.BufferWidth);
input.MoveCursorToStart();
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
for (var index = 0; index < s.Length; ++index)
{
input.MoveCursorForward(1).Should().BeTrue();
var stringIndex = index + 1;
console.CursorTop.Should().Be(stringIndex / console.BufferWidth);
console.CursorLeft.Should().Be(stringIndex % console.BufferWidth);
}
for (var index = 0; index < s.Length; ++index)
{
input.MoveCursorBackward(1).Should().BeTrue();
var stringIndex = s.Length - (index + 1);
console.CursorTop.Should().Be(stringIndex / console.BufferWidth);
console.CursorLeft.Should().Be(stringIndex % console.BufferWidth);
}
input.MoveCursorForward(3).Should().BeTrue();
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(3);
input.MoveCursorForward(3).Should().BeTrue();
input.AtEnd.Should().BeTrue();
console.CursorTop.Should().Be(1);
console.CursorLeft.Should().Be(2);
}
public void DisplayInColumns()
{
var console = new SimulatedConsoleOutput(width: 12);
var input = CreateInput(console);
input.DisplayInColumns(new[] { "abcd", "ef", "ghi", "j", "klmn" });
GetContents(console).Replace('\0', ' ').TrimEnd().Should().Be(
"abcd j " +
"ef klmn " +
"ghi");
}
public void DeleteFromEnd()
{
const string s = "something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.Delete();
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
}
public void DisplayInColumnsWithTextWiderThanConsole()
{
var console = new SimulatedConsoleOutput(width: 8);
var input = CreateInput(console);
input.DisplayInColumns(new[] { "Shorter", "LongEnough", "x" });
GetContents(console).Replace('\0', ' ').TrimEnd().Should().Be(
"Shorter " +
"LongEnou" +
"gh " +
"x");
}
public void MoveBackOneWordWithOnlyWhitespace()
{
const string s = " ";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.MoveCursorBackwardOneWord();
input.Contents.Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
}
public void ReplaceWithAllCompletionsButNoCompletions()
{
var console = new SimulatedConsoleOutput();
ConsoleCompletionHandler completionHandler = (tokens, tokenIndex) => Enumerable.Empty <string>();
var input = CreateInput(console, completionHandler);
input.ReplaceCurrentTokenWithAllCompletions();
input.Contents.Should().BeEmpty();
GetContents(console).Should().BeEmpty();
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
}
public void Backspace()
{
const string s = "something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.DeletePrecedingChar();
input.Contents.Should().Be("somethin");
GetContents(console).TrimEnd().Should().Be("somethin");
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length - 1);
}
public void ReplaceWithNextCompletionWithNoCompletionHandler()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.ReplaceCurrentTokenWithNextCompletion(false);
input.Contents.Should().Be(s);
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
}
public void PasteWhenBufferIsNull()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.Paste();
input.Contents.Should().Be(s);
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
}
public void ClearBufferOnlyFromEnd()
{
const string s = "Hello world";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.ClearLine(true);
input.Contents.Should().BeEmpty();
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
}
public void DeleteBackOneWordThroughWhitespace()
{
const string s = " ";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.DeleteBackwardThroughLastWord();
input.Contents.Should().BeEmpty();
GetContents(console).TrimEnd().Should().BeEmpty();
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
}
public void ReplaceWithPreviousCompletionEncountersEmptyString()
{
const string text = "S";
string[] completions = { "S", string.Empty, "szy" };
var console = new SimulatedConsoleOutput();
ConsoleCompletionHandler completionHandler = (tokens, index) => completions;
var input = CreateInputWithText(console, text, completionHandler);
ValidateCompletion(input, 1, true, false, "szy");
ValidateCompletion(input, null, true, true, StringUtilities.QuoteIfNeeded(string.Empty));
ValidateCompletion(input, null, true, true, "S");
}
public void ReplaceWithPreviousCompletionWithNoCompletions()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
ConsoleCompletionHandler completionHandler = (tokens, index) => Enumerable.Empty <string>();
var input = CreateInputWithText(console, s, completionHandler);
input.ReplaceCurrentTokenWithPreviousCompletion(false);
input.Contents.Should().Be(s);
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
}
public void ReplaceWithNextCompletionWithNoCompletions()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
var tokenCompleter = new TestTokenCompleter(Enumerable.Empty <string>());
var input = CreateInputWithText(console, s, tokenCompleter);
input.ReplaceCurrentTokenWithNextCompletion(false);
input.Contents.Should().Be(s);
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
}
public void ReplaceWithNextCompletionEncountersEmptyString()
{
const string text = "S";
string[] completions = { "S", string.Empty, "szy" };
var console = new SimulatedConsoleOutput();
var tokenCompleter = new TestTokenCompleter(completions);
var input = CreateInputWithText(console, text, tokenCompleter);
ValidateCompletion(input, 1, false, false, "S");
ValidateCompletion(input, null, false, true, StringUtilities.QuoteIfNeeded(string.Empty));
ValidateCompletion(input, null, false, true, "szy");
}
public void CutFromEndToEnd()
{
const string s = "Something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.CutToEnd();
input.PasteBuffer.Should().BeEmpty();
input.Contents.Should().Be(s);
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
}
public void MoveForwardOneChar()
{
const string s = "something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.MoveCursorBackward(1).Should().BeTrue();
input.MoveCursorForward(1).Should().BeTrue();
input.Contents.Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(s.Length);
input.MoveCursorForward(1).Should().BeFalse();
}
public void InsertStringIntoEmptyBuffer()
{
var console = new SimulatedConsoleOutput();
var input = CreateInput(console);
input.Contents.Should().BeEmpty();
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
input.Insert("cd");
input.Contents.Should().Be("cd");
GetContents(console).Should().Be("cd");
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
}
public void ClearLineAndBufferFromMiddle()
{
const string s = "Hello world";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.MoveCursorBackwardOneWord();
input.ClearLine(false);
input.Contents.Should().BeEmpty();
GetContents(console).TrimEnd().Should().BeEmpty();
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
}
public void BackspaceFromBeginning()
{
const string s = "something";
var console = new SimulatedConsoleOutput();
var input = CreateInputWithText(console, s);
input.MoveCursorToStart();
input.DeletePrecedingChar();
input.Contents.Should().Be(s);
GetContents(console).Should().Be(s);
console.CursorTop.Should().Be(0);
console.CursorLeft.Should().Be(0);
}
private static ConsoleReader CreateReader(IEnumerable<ConsoleKeyInfo> keyStream, ConsoleCompletionHandler completionHandler = null)
{
var consoleOutput = new SimulatedConsoleOutput();
var consoleInput = new SimulatedConsoleInput(keyStream);
var input = new ConsoleLineInput(consoleOutput, new ConsoleInputBuffer(), new ConsoleHistory(), completionHandler);
return new ConsoleReader(input, consoleInput, consoleOutput, null);
}