using System;
using NUnit.Framework;
using NUnit.Framework.SyntaxHelpers;

namespace SimpleLog.Tests {
	[TestFixture]
	public class DefaultMessageHandlerTest {

		private DefaultMessageHandler messageHandler;

		[SetUp]
		public void Init() {
			this.messageHandler = new DefaultMessageHandler();
		}

		[Test]
		public void TestConvertMessageToStringWithException() {
			Exception e = new Exception("yay!");
			Assert.That(this.messageHandler.ConvertMessageToString(e), Text.StartsWith("yay!\n"));
		}
		
		[Test]
		public void TestConvertMessageToString() {
			string message = "yay!";
			Assert.That(this.messageHandler.ConvertMessageToString(message), Text.Matches("yay!"));
			object obj = "yay!";
			Assert.That(this.messageHandler.ConvertMessageToString(obj), Text.Matches("yay!"));
		}

		[Test]
		public void TestConstructLogMessage() {
			this.messageHandler.DateFormat = "yyyy-MM-dd HH:mm:ss";
			this.messageHandler.Delimiter = " ";
			this.messageHandler.Context = "some kind of context";
			string expected = "\\d{4}-\\d\\d-\\d\\d \\d\\d:\\d\\d:\\d\\d ";
			expected += "WARNING ";
			expected += "\\[some kind of context\\] ";
			expected += "log message\n";

			Assert.That(this.messageHandler.FormatLogMessage("log message", Framework.LogLevel.Warning), Text.Matches(expected));
		}

	}
}