TransactionTestCase.assertNumQueries(num, func, *args, **kwargs) [source]
Asserts that when func is called with *args and **kwargs that num database queries are executed.
If a "using" key is present in kwargs it is used as the database alias for which to check the number of queries. If you wish to call a function with a using parameter you can do it by wrapping the call with a lambda to add an extra parameter:
1 | self.assertNumQueries(7, lambda: my_function(using=7)) |
You can also use this as a context manager:
1 2 3 | with self.assertNumQueries(2): Person.objects.create(name="Aaron") Person.objects.create(name="Daniel") |
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