testing.assertEmpty() function tests if an input stream is empty.
If not empty, the function returns an error.
Function type: Test
import "testing" testing.assertEmpty()
testing.assertEmpty() function can be used to perform in-line tests in a query.
Check if there is a difference between streams
This example uses the
which outputs the diff for the two streams.
.testing.assertEmpty() function checks to see if the diff is empty.
import "testing" got = from(bucket: "example-bucket") |> range(start: -15m) want = from(bucket: "backup_example-bucket") |> range(start: -15m) got |> testing.diff(want: want) |> testing.assertEmpty()
Bug Reports and Feedback
Thank you for being willing to help test InfluxDB v2.0 alpha! Feedback and bug reports are welcome and encouraged both for InfluxDB and this documentation. Submit feedback using one of the following methods:
- Post in the InfluxData Community
- In the InfluxDB UI, click Feedback in the left navigation bar.