testing.assertEmpty() tests if an input stream is empty. If not empty, the function returns an error.
assertEmpty can be used to perform in-line tests in a query.
Function type signature
(<-tables: stream[A]) => stream[A]
Input data. Default is piped-forward data (
Check if there is a difference between streams
This example uses
testing.diff() to output the difference between two streams of tables.
testing.assertEmpty() checks to see if the difference is empty.
import "sampledata" import "testing" want = sampledata.int() got = sampledata.float() |> toInt() got |> testing.diff(want: want) |> testing.assertEmpty()
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