* test(flow): wait for async source-table mirrors before FLUSH_FLOW Streaming flows execute inline in the flownode insert handler since #8976, and source-table inserts are mirrored from the frontend as detached tasks. Tests that INSERT then ADMIN FLUSH_FLOW then SELECT intermittently miss rows on slow CI runners because the flush no longer implies the mirror reached the flownode (flow_no_aggr lost row 'l', flow_advance_ttl lost row '23' after the post-restart reinsert). Add SQLNESS SLEEP 3s between those mirror inserts and the flush, the established pattern in the flow suite, so the assertions are stable. Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> * test(flow): also guard first-section flushes in flow_advance_ttl Local reproduction without sleeps failed in a window the previous commit did not cover: the first INSERT (20,20,22) of each section is followed immediately by ADMIN FLUSH_FLOW, and the distributed run observed an empty sink on that SELECT (~1 in 8 iterations). Add the same SLEEP 3s guard before those two flushes. Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com> --------- Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
Sqlness Test
Sqlness manual
Case file
Sqlness has two types of file:
.sql: test input, SQL only.result: expected test output, SQL and its results
.result is the output (execution result) file. If you see .result files is changed,
it means this test gets a different result and indicates it fails. You should
check change logs to solve the problem.
You only need to write test SQL in .sql file, and run the test.
Case organization
The root dir of input cases is tests/cases. It contains several subdirectories stand for different test
modes. E.g., standalone/ contains all the tests to run under greptimedb standalone start mode.
Under the first level of subdirectory (e.g. the cases/standalone), you can organize your cases as you like.
Sqlness walks through every file recursively and runs them.
Kafka WAL
Sqlness supports Kafka WAL. You can either provide a Kafka cluster or let sqlness to start one for you.
To run test with kafka, you need to pass the option -w kafka. If no other options are provided, sqlness will use conf/kafka-cluster.yml to start a Kafka cluster. This requires docker and docker-compose commands in your environment.
Otherwise, you can additionally pass the your existing kafka environment to sqlness with -k option. E.g.:
cargo sqlness bare -w kafka -k localhost:9092
In this case, sqlness will not start its own kafka cluster and the one you provided instead.
Run the test
Unlike other tests, this harness is in a binary target form. You can run it with:
cargo sqlness bare
It automatically finishes the following procedures: compile GreptimeDB, start it, grab tests and feed it to
the server, then collect and compare the results. You only need to check if the .result files are changed.
If not, congratulations, the test is passed 🥳!