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_tag_when_no_measurement_written()
{
var writer = new LineProtocolWriter();
var ex = Assert.Throws <InvalidOperationException>(() => writer.Tag("foo", "bar"));
Assert.Equal("Cannot write tag \"foo\" as no measurement name written.", ex.Message);
Assert.Equal("NothingWritten", ex.Data["Position"]);
}
public void Cannot_write_new_measurment_when_field_not_written()
{
var writer = new LineProtocolWriter();
writer.Measurement("my_measurement");
var ex = Assert.Throws <InvalidOperationException>(() => writer.Measurement("my_measurement"));
Assert.Equal("Cannot write new measurement \"my_measurement\" as no field written for current line.", ex.Message);
Assert.Equal("MeasurementWritten", ex.Data["Position"]);
writer.Tag("foo", "bar");
ex = Assert.Throws <InvalidOperationException>(() => writer.Measurement("my_measurement"));
Assert.Equal("TagWritten", 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));
}
