// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.Gen.Logging.Emission;
using Microsoft.Gen.Logging.Model;
using Xunit;
 
namespace Microsoft.Gen.Logging.Test;
 
public class EmitterUtilsTests
{
    [Theory]
    [InlineData("\n", "\\n")]
    [InlineData("\r", "\\r")]
    [InlineData("\"", "\\\"")]
    [InlineData("\\", "\\\\")]
    [InlineData("\n\r\"", "\\n\\r\\\"")]
    [InlineData("no special chars...", "no special chars...")]
    [InlineData("special \n chars \r within \n\n a \"string\"", "special \\n chars \\r within \\n\\n a \\\"string\\\"")]
    public void ShouldEscapeMessageStringCorrectly(string input, string expected)
    {
        Assert.Equal("\"" + expected + "\"", Emitter.EscapeMessageString(input));
    }
 
    [Theory]
    [InlineData("\n", "\\n")]
    [InlineData("\r", "\\r")]
    [InlineData("<", "&lt;")]
    [InlineData(">", "&gt;")]
    [InlineData("no special chars...", "no special chars...")]
    [InlineData("special \n chars \r within \n\n a \"string\"", "special \\n chars \\r within \\n\\n a \"string\"")]
    public void ShouldEscapeMessageStringForXmlDocumentationCorrectly(string input, string expected)
    {
        Assert.Equal(expected, Emitter.EscapeMessageStringForXmlDocumentation(input));
    }
 
    [Fact]
    public void ShouldNotFindLogLevelIfNoneAvailable()
    {
        var lm = new LoggingMethod
        {
            Level = null
        };
 
        Assert.Empty(Emitter.GetLoggerMethodLogLevel(lm));
    }
 
    [Fact]
    public void ShouldFindLogLevelFromParameter()
    {
        const string ParamName = "Test name";
 
        var lm = new LoggingMethod
        {
            Level = null
        };
 
        lm.Parameters.Add(new LoggingMethodParameter
        {
            IsLogLevel = true,
            ParameterName = ParamName
        });
 
        Assert.Equal(ParamName, Emitter.GetLoggerMethodLogLevel(lm));
    }
}