public void can_format_payload()
{
var nameFormatter = new DefaultGraphiteNameFormatter();
var payload = new GraphitePayload();
var fieldsOne = new Dictionary <string, object> {
{ "key", "value" }
};
var timestampOne = new DateTime(2017, 1, 1, 1, 1, 1, DateTimeKind.Utc);
var pointOne = new GraphitePoint(null, "measurement", fieldsOne, MetricTags.Empty, timestampOne);
var fieldsTwo = new Dictionary <string, object>
{
{ "field1key", "field1value" },
{ "field2key", 2 },
{ "field3key", false }
};
var timestampTwo = new DateTime(2017, 1, 2, 1, 1, 1, DateTimeKind.Utc);
var pointTwo = new GraphitePoint(null, "measurement", fieldsTwo, MetricTags.Empty, timestampTwo);
payload.Add(pointOne);
payload.Add(pointTwo);
payload.Format(nameFormatter).Should()
.Be(
"measurement.key value 1483232461\nmeasurement.field1key field1value 1483318861\nmeasurement.field2key 2 1483318861\nmeasurement.field3key f 1483318861\n");
}
/// <inheritdoc />
public void Write(TextWriter textWriter, GraphitePoint point, bool writeTimestamp = true)
{
if (textWriter == null)
{
throw new ArgumentNullException(nameof(textWriter));
}
var hasPrevious = false;
var measurementWriter = new StringWriter();
measurementWriter.Write(_prefix);
var tagsDictionary = point.Tags.ToDictionary(GraphiteSyntax.EscapeName);
if (tagsDictionary.TryGetValue("mtype", out var metricType) && !string.IsNullOrWhiteSpace(metricType))
{
measurementWriter.Write(metricType);
hasPrevious = true;
}
if (hasPrevious)
{
measurementWriter.Write(".");
}
measurementWriter.Write(GraphiteSyntax.EscapeName(point.Measurement, true));
var tags = tagsDictionary.Where(tag => !ExcludeTags.Contains(tag.Key));
foreach (var tag in tags)
{
measurementWriter.Write('.');
measurementWriter.Write(GraphiteSyntax.EscapeName(tag.Key));
measurementWriter.Write('.');
measurementWriter.Write(tag.Value);
}
measurementWriter.Write('.');
var prefix = measurementWriter.ToString();
var utcTimestamp = point.UtcTimestamp ?? DateTime.UtcNow;
foreach (var f in point.Fields)
{
textWriter.Write(prefix);
textWriter.Write(GraphiteSyntax.EscapeName(f.Key));
textWriter.Write(' ');
textWriter.Write(GraphiteSyntax.FormatValue(f.Value));
textWriter.Write(' ');
textWriter.Write(GraphiteSyntax.FormatTimestamp(utcTimestamp));
textWriter.Write('\n');
}
}
public void at_least_one_field_is_required()
{
var fields = new Dictionary <string, object>();
Action action = () =>
{
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty);
};
action.ShouldThrow <ArgumentException>();
}
public void field_key_cannot_be_empty()
{
var fields = new Dictionary <string, object> {
{ string.Empty, "value" }
};
Action action = () =>
{
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty);
};
action.ShouldThrow <ArgumentException>();
}
public void measurement_is_required()
{
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
Action action = () =>
{
var point = new GraphitePoint(null, string.Empty, fields, MetricTags.Empty);
};
action.ShouldThrow <ArgumentException>();
}
public void At_least_one_field_is_required()
{
// Arrange
var fields = new Dictionary <string, object>();
Action action = () =>
{
// Act
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, new DefaultGraphitePointTextWriter());
};
// Assert
action.Should().Throw <ArgumentException>();
}
public void Measurement_is_required()
{
// Arrange
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
Action action = () =>
{
// Act
var point = new GraphitePoint(null, string.Empty, fields, MetricTags.Empty, new DefaultGraphitePointTextWriter());
};
// Assert
action.Should().Throw <ArgumentException>();
}
public void Field_key_cannot_be_empty()
{
// Arrange
var fields = new Dictionary <string, object> {
{ string.Empty, "value" }
};
Action action = () =>
{
// Act
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, new DefaultGraphitePointTextWriter());
};
// Assert
action.Should().Throw <ArgumentException>();
}
public void can_format_payload_correctly()
{
var nameFormatter = new DefaultGraphiteNameFormatter();
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var timestamp = new DateTime(2017, 1, 1, 1, 1, 1, DateTimeKind.Utc);
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, timestamp);
var paload = new GraphitePayload {
point
};
paload.Format(nameFormatter).Should().Be("measurement.key value 1483232461\n");
}
public void Can_format_payload_correctly()
{
// Arrange
var textWriter = new StringWriter();
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var timestamp = new DateTime(2017, 1, 1, 1, 1, 1, DateTimeKind.Utc);
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, new DefaultGraphitePointTextWriter(), timestamp);
// Act
point.Write(textWriter);
// Assert
textWriter.ToString().Should().Be("measurement.key value 1483232461\n");
}
public void when_null_text_writer_ignore_and_dont_throw()
{
var payload = new GraphitePayload();
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var pointOne = new GraphitePoint(null, "measurement", fields, MetricTags.Empty);
Action action = () =>
{
payload.Add(pointOne);
payload.Format(null);
};
action.ShouldNotThrow();
}
public void Should_add_context_when_provided()
{
// Arrange
var textWriter = new StringWriter();
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var tags = new MetricTags("tagkey", "tagvalue");
var timestamp = new DateTime(2017, 1, 1, 1, 1, 1, DateTimeKind.Utc);
var point = new GraphitePoint("context", "measurement", fields, tags, new DefaultGraphitePointTextWriter(), timestamp);
// Act
point.Write(textWriter);
// Assert
textWriter.ToString().Should().Be("context.measurement.tagkey.tagvalue.key value 1483232461\n");
}
public void Can_format_payload_with_multiple_fields_correctly()
{
// Arrange
var textWriter = new StringWriter();
var fields = new Dictionary <string, object>
{
{ "field1key", "field1value" },
{ "field2key", 2 },
{ "field3key", false }
};
var timestamp = new DateTime(2017, 1, 1, 1, 1, 1, DateTimeKind.Utc);
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, new DefaultGraphitePointTextWriter(), timestamp);
// Act
point.WriteAsync(textWriter);
// Assert
textWriter.ToString().Should()
.Be("measurement.field1key field1value 1483232461\nmeasurement.field2key 2 1483232461\nmeasurement.field3key f 1483232461\n");
}
public void time_stamp_should_be_utc(DateTimeKind dateTimeKind, bool expected)
{
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var timestamp = new DateTime(2017, 1, 1, 1, 1, 1, dateTimeKind);
Action action = () =>
{
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, timestamp);
};
if (!expected)
{
action.ShouldThrow <ArgumentException>();
}
else
{
action.ShouldNotThrow();
}
}
public IEnumerable <string> Format(GraphitePoint point)
{
var tags = point.Tags;
var tagsDictionary = tags.Keys.Zip(tags.Values, (key, value) => new { key, value })
.ToDictionary(x => $"tag:{x.key}", x => GraphiteSyntax.EscapeName(x.value), StringComparer.OrdinalIgnoreCase);
tagsDictionary["context"] = point.Context;
tagsDictionary["name"] = point.Name;
foreach (var field in point.Fields)
{
tagsDictionary["field"] = field.Key;
var sb = new StringBuilder(Render(tagsDictionary));
sb.Append(' ');
sb.Append(GraphiteSyntax.FormatValue(field.Value));
sb.Append(' ');
sb.Append(GraphiteSyntax.FormatTimestamp(point.UtcTimestamp));
yield return(sb.ToString());
}
}
public void Time_stamp_should_be_utc(DateTimeKind dateTimeKind, bool expected)
{
// Arrange
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var timestamp = new DateTime(2017, 1, 1, 1, 1, 1, dateTimeKind);
Action action = () =>
{
// Act
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, new DefaultGraphitePointTextWriter(), timestamp);
};
// Assert
if (!expected)
{
action.Should().Throw <ArgumentException>();
}
else
{
action.Should().NotThrow();
}
}
