public void Parse_SetBackgroundForegroundAndMessageThenReset_Success(ConsoleColor background, ConsoleColor foreground)
{
// Arrange
var message = AnsiParser.GetBackgroundColorEscapeCode(background)
+ AnsiParser.GetForegroundColorEscapeCode(foreground)
+ "Request received"
+ AnsiParser.DefaultForegroundColor //resets foreground color
+ AnsiParser.DefaultBackgroundColor; //resets background color
var segments = new List <ConsoleContext>();
Action <string, int, int, ConsoleColor?, ConsoleColor?> onParseWrite = (message, startIndex, length, bg, fg) => {
segments.Add(new ConsoleContext()
{
BackgroundColor = bg,
ForegroundColor = fg,
Message = message.AsSpan().Slice(startIndex, length).ToString()
});
};
var parser = new AnsiParser(onParseWrite);
// Act
parser.Parse(message);
// Assert
Assert.Equal(1, segments.Count);
Assert.Equal("Request received", segments[0].Message);
VerifyForeground(foreground, segments[0]);
VerifyBackground(background, segments[0]);
}
public void Parse_RepeatedColorChange_PicksLastSet()
{
// Arrange
var message = AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.DarkRed)
+ AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.DarkGreen)
+ AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.DarkBlue)
+ AnsiParser.GetForegroundColorEscapeCode(ConsoleColor.Gray)
+ AnsiParser.GetForegroundColorEscapeCode(ConsoleColor.Cyan)
+ AnsiParser.GetForegroundColorEscapeCode(ConsoleColor.Yellow)
+ "Request received"
+ AnsiParser.DefaultForegroundColor //resets foreground color
+ AnsiParser.DefaultBackgroundColor; //resets background color
var segments = new List <ConsoleContext>();
Action <string, int, int, ConsoleColor?, ConsoleColor?> onParseWrite = (message, startIndex, length, bg, fg) => {
segments.Add(new ConsoleContext()
{
BackgroundColor = bg,
ForegroundColor = fg,
Message = message.AsSpan().Slice(startIndex, length).ToString()
});
};
var parser = new AnsiParser(onParseWrite);
// Act
parser.Parse(message);
// Assert
Assert.Equal(1, segments.Count);
Assert.Equal("Request received", segments[0].Message);
VerifyBackground(ConsoleColor.DarkBlue, segments[0]);
VerifyForeground(ConsoleColor.Yellow, segments[0]);
}
public void WriteColoredMessage_WithBackgroundEscapeCode_AndNoForegroundColorSpecified()
{
// Arrange
var message = "Request received";
var expectedMessage = AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.Red)
+ message
+ "\x1B[49m"; //resets background color
var textWriter = new StringWriter();
// Act
textWriter.WriteColoredMessage(message, background: ConsoleColor.Red, foreground: null);
// Assert
Assert.Equal(expectedMessage, textWriter.ToString());
}
public void Parse_MessageWithMultipleColors_ParsedIntoMultipleSegments()
{
// Arrange
var message = AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.DarkRed)
+ AnsiParser.GetForegroundColorEscapeCode(ConsoleColor.Gray)
+ "Message1"
+ AnsiParser.DefaultForegroundColor
+ AnsiParser.DefaultBackgroundColor
+ "NoColor"
+ AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.DarkGreen)
+ AnsiParser.GetForegroundColorEscapeCode(ConsoleColor.Cyan)
+ "Message2"
+ AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.DarkBlue)
+ AnsiParser.GetForegroundColorEscapeCode(ConsoleColor.Yellow)
+ "Message3"
+ AnsiParser.DefaultForegroundColor
+ AnsiParser.DefaultBackgroundColor;
var segments = new List <ConsoleContext>();
Action <string, int, int, ConsoleColor?, ConsoleColor?> onParseWrite = (message, startIndex, length, bg, fg) => {
segments.Add(new ConsoleContext()
{
BackgroundColor = bg,
ForegroundColor = fg,
Message = message.AsSpan().Slice(startIndex, length).ToString()
});
};
var parser = new AnsiParser(onParseWrite);
// Act
parser.Parse(message);
// Assert
Assert.Equal(4, segments.Count);
Assert.Equal("NoColor", segments[1].Message);
Assert.Null(segments[1].ForegroundColor);
Assert.Null(segments[1].BackgroundColor);
Assert.Equal("Message1", segments[0].Message);
Assert.Equal("Message2", segments[2].Message);
Assert.Equal("Message3", segments[3].Message);
VerifyBackground(ConsoleColor.DarkRed, segments[0]);
VerifyBackground(ConsoleColor.DarkGreen, segments[2]);
VerifyBackground(ConsoleColor.DarkBlue, segments[3]);
VerifyForeground(ConsoleColor.Gray, segments[0]);
VerifyForeground(ConsoleColor.Cyan, segments[2]);
VerifyForeground(ConsoleColor.Yellow, segments[3]);
}
public void WriteColoredMessage_InOrder_WhenBothForegroundOrBackgroundColorsSpecified()
{
// Arrange
var message = "Request received";
var expectedMessage = AnsiParser.GetBackgroundColorEscapeCode(ConsoleColor.Red)
+ AnsiParser.GetForegroundColorEscapeCode(ConsoleColor.DarkGreen)
+ "Request received"
+ "\x1B[39m\x1B[22m" //resets foreground color
+ "\x1B[49m"; //resets background color
var textWriter = new StringWriter();
// Act
textWriter.WriteColoredMessage(message, ConsoleColor.Red, ConsoleColor.DarkGreen);
// Assert
Assert.Equal(expectedMessage, textWriter.ToString());
}
private static bool IsBackgroundColorNotSupported(ConsoleColor color)
{
return(AnsiParser.GetBackgroundColorEscapeCode(color).Equals(
AnsiParser.DefaultBackgroundColor, StringComparison.OrdinalIgnoreCase));
}