Move telegram data to file. For some reason this verbatim string doesn't seem to work in all environments?

Author: RobThree

DSMRParser.Tests/DSMRParser.Tests.csproj

@@ -25,6 +25,9 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<None Update="testdata\formattest.txt">
+		  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+		</None>
 		<None Update="testdata\v2_2_mangled.txt">
 			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 		</None>

DSMRParser.Tests/TelegramTests.cs

@@ -1,5 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 
 namespace DSMRParser.Tests;
@@ -11,27 +12,20 @@ public class TelegramTests
     public void ToString_Should_FormatCorrectly()
     {
         var parser = new DSMRTelegramParser();
-        var target = parser.Parse(
-            """
-            /Test\V5-Telegram
-
-            1-3:0.2.8(50)
-            1-0:99.97.0(3)(0-0:96.7.19)(000104180320W)(0000237126*s)(000101000001W)(2147583646*s)(200102010203W)(2317482647*s)
-            1-0:32.7.0(1234.56*V)
-            0-1:24.2.1(201211100907S)(6789.12*m3)
-            !FA4C
-            
-            """);   //Note: The string is a verbatim string literal, so the newlines are preserved. We NEED the extra empty line for a newline
+        var target = parser.Parse(File.ReadAllText("testdata/formattest.txt"));
 
+        // No specific culture is set, so the default culture is used.
         Assert.AreEqual("1234.56V", target.VoltageL1!.ToString());
         Assert.AreEqual("2020-12-11T10:09:07.0000000+01:00: 6789.12m³", target.GasDelivered!.ToString());
         Assert.AreEqual("2000-01-04T18:03:20.0000000+01:00: 2.17:52:06", target.ElectricityFailureLog.ToArray()[0].ToString());
 
+        // Use Dutch culture
         var nl_culture = CultureInfo.GetCultureInfo(1043);
         Assert.AreEqual("1234,56V", target.VoltageL1!.ToString(nl_culture));
         Assert.AreEqual("2020-12-11T10:09:07.0000000+01:00: 6789,12m³", target.GasDelivered!.ToString(nl_culture));
         Assert.AreEqual("11-12-20 10:09:07: 6789,12m³", target.GasDelivered!.ToString(null, "dd-MM-yy HH:mm:ss", nl_culture));
 
+        // Use US culture
         var us_culture = CultureInfo.GetCultureInfo(1033);
         Assert.AreEqual("1234.56V", target.VoltageL1!.ToString(us_culture));
         Assert.AreEqual("2020-12-11T10:09:07.0000000+01:00: 6789.12m³", target.GasDelivered!.ToString(us_culture));

DSMRParser.Tests/testdata/formattest.txt

@@ -0,0 +1,7 @@
+/Test\V5-Telegram
+
+1-3:0.2.8(50)
+1-0:99.97.0(3)(0-0:96.7.19)(000104180320W)(0000237126*s)(000101000001W)(2147583646*s)(200102010203W)(2317482647*s)
+1-0:32.7.0(1234.56*V)
+0-1:24.2.1(201211100907S)(6789.12*m3)
+!FA4C