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Added an option to have multiple valid outputs #5

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Added an option to have multiple valid outputs #5

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6 changes: 4 additions & 2 deletions src/BasicChecks.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,13 +13,15 @@ public static void CheckString(
string checkName = null,
string fileExtension = "txt",
[System.Runtime.CompilerServices.CallerMemberName] string memberName = null,
[System.Runtime.CompilerServices.CallerFilePath] string sourceFilePath = null)
[System.Runtime.CompilerServices.CallerFilePath] string sourceFilePath = null,
bool allowAlternatives = false)
{
t.CheckOutputCore(
output,
checkName,
$"{Path.GetFileNameWithoutExtension(sourceFilePath)}.{memberName}",
fileExtension
fileExtension,
allowAlternatives
);
}

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35 changes: 25 additions & 10 deletions src/OutputChecker.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -257,27 +257,42 @@ public string SanitizeString(string outputString)
return outputString;
}

internal void CheckOutputCore(string outputString, string checkName, string method, string fileExtension = "txt")
internal void CheckOutputCore(string outputString, string checkName, string method, string fileExtension = "txt", bool allowAlternatives = false)
{
outputString = outputString.Replace("\r\n", "\n").TrimEnd('\n');
outputString = SanitizeString(outputString);

Directory.CreateDirectory(CheckDirectory);

var filename = Path.Combine(CheckDirectory, (checkName == null ? method : $"{method}-{checkName}") + "." + fileExtension);

if (GetOldContent(filename)?.TrimEnd('\n') == outputString)
var alternativeIndex = 0;
string filename;
while (true)
{
// fine! Just check that the file is not changed - if it is changed or deleted, we rewrite
if (IsModified(filename))
filename = !allowAlternatives
? Path.Combine(CheckDirectory, (checkName == null ? method : $"{method}-{checkName}") + "." + fileExtension)
: Path.Combine(CheckDirectory, (checkName == null ? method : $"{method}-{checkName}") + $"-alt{alternativeIndex:000}." + fileExtension);

if (GetOldContent(filename)?.TrimEnd('\n') == outputString)
{
using (var t = File.CreateText(filename))
// fine! Just check that the file is not changed - if it is changed or deleted, we rewrite
if (IsModified(filename))
{
t.Write(outputString);
t.Write("\n");
using (var t = File.CreateText(filename))
{
t.Write(outputString);
t.Write("\n");
}
}

return;
}
return;

if (allowAlternatives && File.Exists(filename))
{
alternativeIndex++;
continue;
}
break;
}

if (DoesGitWork.Value)
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