public void Timestamps_must_be_UTC()
{
var writer = new LineProtocolWriter().Measurement("my_measurement").Field("value", 23);
var ex = Assert.Throws <ArgumentException>(() => writer.Timestamp(DateTime.Now));
Assert.Equal("Timestamps must be specified as UTC\r\nParameter name: value", ex.Message);
}
public void Will_throw_if_wrong_precision_used(Precision precision)
{
var writer = new LineProtocolWriter(precision);
var timestamp = TimeSpan.FromTicks(1);
writer.Measurement("foo").Field("bar", 1f);
Assert.Throws <ArgumentOutOfRangeException>(() => writer.Timestamp(timestamp));
}
public void Cannot_write_tag_after_field_written()
{
var writer = new LineProtocolWriter();
writer.Measurement("my_measurement").Field("value", 1);
var ex = Assert.Throws <InvalidOperationException>(() => writer.Tag("foo", "bar"));
Assert.Equal("Cannot write tag \"foo\" as field(s) already written for current line.", ex.Message);
Assert.Equal("FieldWritten", ex.Data["Position"]);
writer.Timestamp(123456);
ex = Assert.Throws <InvalidOperationException>(() => writer.Tag("foo", "bar"));
Assert.Equal("TimestampWritten", ex.Data["Position"]);
}
public void Cannot_write_timestamp_when_no_field_written()
{
var writer = new LineProtocolWriter();
var ex = Assert.Throws <InvalidOperationException>(() => writer.Timestamp(123456));
Assert.Equal("Cannot write timestamp as no measurement name written.", ex.Message);
Assert.Equal("NothingWritten", ex.Data["Position"]);
writer.Measurement("my_measurement");
ex = Assert.Throws <InvalidOperationException>(() => writer.Timestamp(123456));
Assert.Equal("Cannot write timestamp as no field written for current measurement.", ex.Message);
Assert.Equal("MeasurementWritten", ex.Data["Position"]);
writer.Tag("foo", "bar");
ex = Assert.Throws <InvalidOperationException>(() => writer.Timestamp(123456));
Assert.Equal("TagWritten", ex.Data["Position"]);
Assert.Throws <InvalidOperationException>(() => writer.Timestamp(TimeSpan.FromDays(3045)));
Assert.Throws <InvalidOperationException>(() => writer.Timestamp(DateTime.UtcNow));
Assert.Throws <InvalidOperationException>(() => writer.Timestamp(DateTimeOffset.Now));
}