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Viewing changes to lib/canonical/database/ftests/script_isolation.py

  • Committer: William Grant
  • Date: 2011-09-24 03:56:19 UTC
  • mto: This revision was merged to the branch mainline in revision 14030.
  • Revision ID: william.grant@canonical.com-20110924035619-ht8qu83op75xhdgr
LaunchpadScript no longer uses initZopeless.

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lib/canonical/database/ftests/script_isolation.py
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import transaction
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from canonical.database.sqlbase import (
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    cursor,
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    ISOLATION_LEVEL_SERIALIZABLE,
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    ZopelessTransactionManager,
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    )
 
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from canonical.config import dbconfig
 
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from canonical.database.sqlbase import cursor
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from canonical.launchpad.scripts import execute_zcml_for_scripts
 
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from canonical.testing.layers import disconnect_stores
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execute_zcml_for_scripts()
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def check():
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    cur = cursor()
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    cur.execute("UPDATE Person SET homepage_content='foo' WHERE name='mark'")
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    cur.execute("SHOW transaction_isolation")
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    print cur.fetchone()[0]
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# First confirm the default isolation level
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ZopelessTransactionManager.initZopeless(dbuser='launchpad_main')
 
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dbconfig.override(dbuser='launchpad_main', isolation_level='read_committed')
 
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disconnect_stores()
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check()
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ZopelessTransactionManager.uninstall()
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ZopelessTransactionManager.initZopeless(
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    dbuser='launchpad_main',
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    isolation=ISOLATION_LEVEL_SERIALIZABLE)
 
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dbconfig.override(isolation_level='serializable')
 
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disconnect_stores()
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check()
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ZopelessTransactionManager.uninstall()