merge with 3.21.3 The change in unittest_serverctl.py is needed because of daef7ce08fea (from 3.20.11) and 3914388b2d0f (from the 3.22 branch). Due to both changes, CubicWebTC.config.repository no longer creates a new repository (and thus, a new connection). Since both DBDumpCommand and CubicWebTC.tearDown try to shutdown the repo, tearDown breaks apart. The solution is to temporarily disable ServerConfiguration's config cache. By forcing DBDumpCommand to get a new configuration object, it then gets its own Repo object, allowing tearDown and DBDumpCommand to work independently.

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from yams.buildobjs import ComputedRelation, EntityType, RelationDefinition

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from cubicweb.schema import RRQLExpression

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class Subject(EntityType):

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    pass

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class Object(EntityType):

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    pass

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class relation(RelationDefinition):

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    subject = 'Subject'

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    object = 'Object'

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class computed(ComputedRelation):

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    rule = 'S relation O'

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    __permissions__ = {'read': (RRQLExpression('S is ET'),)}