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Detailed Description

RegisteredTrx maintains transaction fault injection state to test transaction failure code path.

You may enable specific transaction failure calling enable_trx_failure on that transaction name. After that, the transaction's Commit method will throw an exception.

If you don't need a fault injection anymore (e.g. you want to test a successful retry), you may call disable_trx_failure afterwards.

Example usage:

async def test_trx_fail(service_client, pgsql, userver_pg_trx):
    response = await service_client.delete('/v1/key-value?key=foo')
    assert response.status == 200
 
    userver_pg_trx.enable_failure('sample_transaction_insert_key_value')
 
    response = await service_client.post('/v1/key-value?key=foo&value=bar')
    assert response.status == 500
 
    response = await service_client.get('/v1/key-value?key=foo')
    assert response.status == 404

Definition at line 1 of file sql.py.

Public Member Functions
	__init__ (self)

None	enable_failure (self, str name)

None	disable_failure (self, str name)

bool	is_failure_enabled (self, str name)

Protected Attributes
	_registered_trx

Constructor & Destructor Documentation

◆ init()

pytest_userver.sql.RegisteredTrx.__init__ ( self )

Definition at line 19 of file sql.py.

Member Function Documentation

◆ disable_failure()

None pytest_userver.sql.RegisteredTrx.disable_failure	(		self,
		str	name )

Definition at line 25 of file sql.py.

◆ enable_failure()

None pytest_userver.sql.RegisteredTrx.enable_failure	(		self,
		str	name )

Definition at line 22 of file sql.py.

◆ is_failure_enabled()

bool pytest_userver.sql.RegisteredTrx.is_failure_enabled	(		self,
		str	name )

Definition at line 29 of file sql.py.

Member Data Documentation

◆ _registered_trx

pytest_userver.sql.RegisteredTrx._registered_trx

protected

Definition at line 20 of file sql.py.

The documentation for this class was generated from the following file:

/data/code/userver/testsuite/pytest_plugins/pytest_userver/sql.py

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