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add check to python tests that afteer gc number of rows is unchanged in all branches

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Dmitry Rodionov
2021-11-18 14:47:12 +03:00
committed by Dmitry Rodionov
parent 6f7ebe6e01
commit 737a557f09
1 changed files with 10 additions and 0 deletions
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10
test_runner/batch_others/test_branch_behind.py
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@@ -119,3 +119,13 @@ def test_branch_behind(zenith_simple_env: ZenithEnv):
with pytest.raises(Exception, match="(we might've already garbage collected needed data)"):
# this gced_lsn is pretty random, so if gc is disabled this woudln't fail
env.zenith_cli(["branch", "test_branch_create_fail", f"test_branch_behind@{gced_lsn}"])
# check that after gc everything is still there
hundred_cur.execute('SELECT count(*) FROM foo')
assert hundred_cur.fetchone() == (100, )
more_cur.execute('SELECT count(*) FROM foo')
assert more_cur.fetchone() == (200100, )
main_cur.execute('SELECT count(*) FROM foo')
assert main_cur.fetchone() == (400100, )