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fix(postgres): get_connection_url(driver=None) should return postgres://... by oliverlambson · Pull Request #588 · testcontainers/testcontainers-python · GitHub

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fix(postgres): get_connection_url(driver=None) should return postgres://... #588

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Merged
alexanderankin merged 3 commits into from
Jun 28, 2024
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fix(postgres): get_connection_url(driver=None) should return postgres://... #588

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3819ed3
add failing test
oliverlambson May 27, 2024
beaab59
pass test
oliverlambson May 27, 2024
44d0414
Merge branch 'main' into fix/postgres-get-url
oliverlambson Jun 28, 2024
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2 changes: 1 addition & 1 deletion modules/postgres/testcontainers/postgres/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,7 @@ def get_connection_url(self, host: Optional[str] = None, driver: Optional[str] =
driver. The optional driver argument to :code:`get_connection_url` overwrites the constructor
set value. Pass :code:`driver=None` to get URLs without a driver.
"""
driver_str = self.driver if driver is _UNSET else f"+{driver}"
driver_str = "" if driver is None else self.driver if driver is _UNSET else f"+{driver}"

oliverlambson May 27, 2024

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

I would rather self.driver did not contain the leading +, then this could be simpler. But I imagine that could be a breaking change if people are relying on the internals of this class

santi Jun 28, 2024

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

Agreed. I think we can introduce a Breaking change at a later stage, as part of some larger changes to inheritance for DB containers. This only looks good for now, and I think people would expect that if you pass None, the driver should be empty.
return super()._create_connection_url(
dialect=f"postgresql{driver_str}",
username=self.username,
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24 changes: 24 additions & 0 deletions modules/postgres/tests/test_postgres.py
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Original file line number Diff line number Diff line change
Expand Up @@ -97,3 +97,27 @@ def test_show_how_to_initialize_db_via_initdb_dir():
result = result.fetchall()
assert len(result) == 1
assert result[0] == (1, "sally", "sells seashells")


def test_none_driver_urls():
user = "root"
password = "pass"
kwargs = {
"username": user,
"password": password,
}
with PostgresContainer("postgres:16-alpine", driver=None, **kwargs) as container:
port = container.get_exposed_port(5432)
host = container.get_container_host_ip()
expected_url = f"postgresql://{user}:{password}@{host}:{port}/test"

url = container.get_connection_url()
assert url == expected_url

with PostgresContainer("postgres:16-alpine", **kwargs) as container:
port = container.get_exposed_port(5432)
host = container.get_container_host_ip()
expected_url = f"postgresql://{user}:{password}@{host}:{port}/test"

url = container.get_connection_url(driver=None)
assert url == expected_url
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