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Reject Empty path values #258

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Reject Empty path values #258

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64f8e1b
Use Path.GetFullPath() to resolve the full path of the input path.
AraHaan Jun 29, 2022
fc99f80
Apply suggestions from code review
AraHaan Jun 29, 2022
83f4970
Use ArgumentException instead of ArgumentNullException with IsNullOrE…
AraHaan Jun 30, 2022
19e0df1
Apply suggestions from code review
AraHaan Oct 25, 2023
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16 changes: 9 additions & 7 deletions src/Serilog.Sinks.File/FileLoggerConfigurationExtensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -267,8 +267,10 @@ public static LoggerConfiguration File(
TimeSpan? retainedFileTimeLimit = null)
{
if (sinkConfiguration == null) throw new ArgumentNullException(nameof(sinkConfiguration));
if (path == null) throw new ArgumentNullException(nameof(path));
if (outputTemplate == null) throw new ArgumentNullException(nameof(outputTemplate));

// check if null or empty on these.
if (string.IsNullOrEmpty(path)) throw new ArgumentException(nameof(path));
if (string.IsNullOrEmpty(outputTemplate)) throw new ArgumentException(nameof(outputTemplate));

var formatter = new MessageTemplateTextFormatter(outputTemplate, formatProvider);
return File(sinkConfiguration, formatter, path, restrictedToMinimumLevel, fileSizeLimitBytes,
Expand Down Expand Up @@ -337,7 +339,7 @@ public static LoggerConfiguration File(
{
if (sinkConfiguration == null) throw new ArgumentNullException(nameof(sinkConfiguration));
if (formatter == null) throw new ArgumentNullException(nameof(formatter));
if (path == null) throw new ArgumentNullException(nameof(path));
if (string.IsNullOrEmpty(path)) throw new ArgumentException(nameof(path));
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@bartelink bartelink Oct 25, 2023 •
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this (and equivalents) invalidates the comment (and equivalents):

<exception cref="ArgumentNullException">When <paramref name="path"/> is <code>null</code>

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Alright, will fix the comments as soon as possible.

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I personally think it would be useful for the existing check and comment to remain as-is for clarity
That way, there's no ambiguity as to what can cause the ArgumentException
(I also wonder if there should be a message indicating that the constraint is that Empty is not permitted and/or the xmldoc should mention it? Right now you're handed an exception and the only reasonable way to figure out the constraint is to read the source?)


return ConfigureFile(sinkConfiguration.Sink, formatter, path, restrictedToMinimumLevel, fileSizeLimitBytes, levelSwitch,
buffered, false, shared, flushToDiskInterval, encoding, rollingInterval, rollOnFileSizeLimit,
Expand Down Expand Up @@ -449,8 +451,8 @@ public static LoggerConfiguration File(
FileLifecycleHooks? hooks = null)
{
if (sinkConfiguration == null) throw new ArgumentNullException(nameof(sinkConfiguration));
if (path == null) throw new ArgumentNullException(nameof(path));
if (outputTemplate == null) throw new ArgumentNullException(nameof(outputTemplate));
if (string.IsNullOrEmpty(path)) throw new ArgumentException(nameof(path));
if (string.IsNullOrEmpty(outputTemplate)) throw new ArgumentException(nameof(outputTemplate));

var formatter = new MessageTemplateTextFormatter(outputTemplate, formatProvider);
return File(sinkConfiguration, formatter, path, restrictedToMinimumLevel, levelSwitch, encoding, hooks);
Expand Down Expand Up @@ -493,7 +495,7 @@ public static LoggerConfiguration File(
{
if (sinkConfiguration == null) throw new ArgumentNullException(nameof(sinkConfiguration));
if (formatter == null) throw new ArgumentNullException(nameof(formatter));
if (path == null) throw new ArgumentNullException(nameof(path));
if (string.IsNullOrEmpty(path)) throw new ArgumentException(nameof(path));

return ConfigureFile(sinkConfiguration.Sink, formatter, path, restrictedToMinimumLevel, null, levelSwitch, false, true,
false, null, encoding, RollingInterval.Infinite, false, null, hooks, null);
Expand All @@ -519,7 +521,7 @@ static LoggerConfiguration ConfigureFile(
{
if (addSink == null) throw new ArgumentNullException(nameof(addSink));
if (formatter == null) throw new ArgumentNullException(nameof(formatter));
if (path == null) throw new ArgumentNullException(nameof(path));
if (string.IsNullOrEmpty(path)) throw new ArgumentException(nameof(path));
if (fileSizeLimitBytes.HasValue && fileSizeLimitBytes < 1) throw new ArgumentException("Invalid value provided; file size limit must be at least 1 byte, or null.", nameof(fileSizeLimitBytes));
if (retainedFileCountLimit.HasValue && retainedFileCountLimit < 1) throw new ArgumentException("At least one file must be retained.", nameof(retainedFileCountLimit));
if (retainedFileTimeLimit.HasValue && retainedFileTimeLimit < TimeSpan.Zero) throw new ArgumentException("Negative value provided; retained file time limit must be non-negative.", nameof(retainedFileTimeLimit));
Expand Down