/// <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);
}
}
}
/// <summary>
/// Formats and writes <paramref name="entries" /> to <paramref name="testOutputHelper" />.
/// </summary>
/// <param name="testOutputHelper"></param>
/// <param name="entries"></param>
/// <param name="entryFormatter"></param>
/// <typeparam name="TEntry">The log entry type; must implement <see cref="ILogEntry" /></typeparam>
public static void WriteEntries <TEntry>(this ITestOutputHelper testOutputHelper, IEnumerable <TEntry> entries, EntryFormatter <TEntry> entryFormatter = null)
where TEntry : ILogEntry
{
Contract.Requires <ArgumentNullException>(entries != null);
Contract.Requires <ArgumentNullException>(testOutputHelper != null);
var setupLog = new SetupLog();
var formatWriter = new TestOutputFormatWriter(testOutputHelper, setupLog);
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);
}
}
}