/// <summary>
/// Formats and writes <paramref name="entries" /> to <paramref name="textWriter" />.
/// </summary>
/// <param name="entries"></param>
/// <param name="textWriter"></param>
/// <param name="entryFormatter"></param>
/// <typeparam name="TEntry"></typeparam>
public static void WriteEntriesTo <TEntry>(this IEnumerable <TEntry> entries, TextWriter textWriter, EntryFormatter <TEntry> entryFormatter = null)
where TEntry : ILogEntry
{
Contract.Requires <ArgumentNullException>(entries != null);
Contract.Requires <ArgumentNullException>(textWriter != null);
if (entryFormatter == null)
{ // Try creating the default log formatter
entryFormatter = DefaultFormatterAttribute.GetDefaultFormatterFor <TEntry>();
if (entryFormatter == null)
{
throw new ArgumentNullException(nameof(entryFormatter),
$"No [DefaultFormatter] could be found for entry type {typeof(TEntry).FullName}, so logFormatter argument must be set.");
}
}
var setupLog = new SetupLog();
var formatWriter = new TextWriterFormatWriter(setupLog, textWriter, disposeWriter: false);
var logWriter = new TextLogWriter(setupLog, formatWriter);
logWriter.AddFormat(entryFormatter);
IEntryWriter <TEntry> entryWriter;
logWriter.TryGetEntryWriter(out entryWriter);
using (logWriter)
{
logWriter.Start();
for (var enumerator = entries.GetEnumerator(); enumerator.MoveNext();)
{
TEntry logEntry = enumerator.Current;
entryWriter.Write(ref logEntry);
}
}
}
public ReflectionFormatterTests(ITestOutputHelper testOutput)
{
_testOutput = testOutput;
_setupLog = new SetupLog();
_formatterOutput = new StringWriter();
_formatWriter = new TextWriterFormatWriter(_setupLog, _formatterOutput);
_reflectionFormatter = new ReflectionFormatter
{
// Excluded for most tests, b/c type names make the output messy
IncludeTypeNames = false
};
}
public void WriteLinesStringBuilderWorks(string lines, int indentLevel, string expectedOutput)
{
// Prepare
var setupLog = new SetupLog();
var sbOut = new StringBuilder();
var textWriter = new StringWriter(sbOut);
using (var formatWriter = new TextWriterFormatWriter(setupLog, textWriter))
{
// Test
formatWriter.WriteLines(new StringBuilder(lines), relativeIndentLevel: indentLevel);
}
// Verify
Assert.Equal(expectedOutput, sbOut.ToString());
}
public void WriteTimeOffsetWorks(double milliseconds, string expectedOutput)
{
// Prepare
var setupLog = new SetupLog();
var sbOut = new StringBuilder();
var textWriter = new StringWriter(sbOut);
using (var formatWriter = new TextWriterFormatWriter(setupLog, textWriter))
{
// Test
var timeOffset = TimeSpan.FromMilliseconds(milliseconds);
formatWriter.WriteTimeOffset(timeOffset, ColorCategory.None);
}
// Verify
Assert.Equal(expectedOutput, sbOut.ToString());
}
