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()
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