public void TryWriteProperty_should_not_write_if_event_has_no_properties()
{
var writer = new StringWriter();
FragmentHelpers.TryWriteProperty(null, null, writer);
writer.ToString().Should().BeEmpty();
}
public void TryWriteProperty_should_write_property_without_format()
{
const string propName = "name";
const int value = 123;
var writer = new StringWriter();
var le = LogEvent().WithProperty(propName, value);
var prop = FragmentHelpers.GetPropertyOrNull(le, propName);
FragmentHelpers.TryWriteProperty(prop, null, writer);
writer.ToString().Should().Be(value.ToString());
}
public void TryWriteProperty_should_write_property_with_format()
{
const string propName = "name";
const string format = "yyyy-MM-dd";
var value = DateTime.Now;
var writer = new StringWriter();
var le = LogEvent().WithProperty(propName, value);
var prop = FragmentHelpers.GetPropertyOrNull(le, propName);
FragmentHelpers.TryWriteProperty(prop, format, writer);
writer.ToString().Should().Be(value.ToString(format));
}
private static void WriteProperties(IReadOnlyDictionary <string, object> properties, TextWriter writer)
{
if (properties == null || properties.Count == 0)
{
return;
}
writer.Write("[properties: ");
var i = 0;
foreach (var pair in properties)
{
writer.Write(pair.Key);
writer.Write(" = ");
FragmentHelpers.TryWriteProperty(pair.Value, null, writer);
if (++i < properties.Count)
{
writer.Write(", ");
}
}
writer.Write("]");
}
public void Render(LogEvent @event, TextWriter writer) => FragmentHelpers.TryWriteProperty(FragmentHelpers.GetPropertyOrNull(@event, property), format, writer);