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Add configuration options to README #8

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Add configuration options to README #8

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a4868f0
Skip specific snapshot paths when running tests against non-local ver…
RobertLucian Feb 24, 2025
6dea3d3
Update README.md
RobertLucian Feb 25, 2025
9501f38
Remove TEST_FORCE_SNAPSHOT_SKIP_VERIFY
RobertLucian Feb 25, 2025
6ce1cea
Format
RobertLucian Feb 25, 2025
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12 changes: 11 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,20 @@ This project is in a very early stage and will be both restructured and renamed.

## Quickstart

to install the python and other developer requirements into a venv run:
To install the python and other developer requirements into a venv run:

make install

#### Usable env vars

There's a few env vars that can be used with this project:

* `TEST_TARGET`: Set to `AWS_CLOUD` to use an externally-deployed instance when running tests.
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note: In the future this shouldn't be part of the library. For now it's ok to include it in the README as it's still included 👍

* `TEST_FORCE_SNAPSHOT_SKIP_VERIFY`: Set to `1` to force applying the snapshot filters regardless of what `TEST_TARGET` is set to.
* `SNAPSHOT_LEGACY_REPORT`: By default set to `0`. Can be set to `1`.
* `SNAPSHOT_UDPATE`: By default set to `0`. Can be set to `1`.
* `SNAPSHOT_RAW`: By default set to `0`. Can be set to `1`.
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suggestion: extend with what effect enabling these variables will have


## Format code

We use black and isort as code style tools.
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12 changes: 11 additions & 1 deletion localstack_snapshot/pytest/snapshot.py
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Expand Up @@ -20,6 +20,14 @@ def is_aws():
return os.environ.get("TEST_TARGET", "") == "AWS_CLOUD"


def force_skipping_snapshot_verify():
"""
Forces skipping verification according to the snapshot configuration.
Useful when is_aws() evaluates to True, but the target is actually an LS instance.
"""
return os.environ.get("TEST_FORCE_SNAPSHOT_SKIP_VERIFY", "") == "1"


@pytest.hookimpl
def pytest_configure(config: Config):
config.addinivalue_line("markers", "skip_snapshot_verify")
Expand Down Expand Up @@ -68,7 +76,9 @@ def pytest_runtest_call(item: Item) -> None:
verify = True
paths = []

if not is_aws(): # only skip for local tests
if (
not is_aws() or force_skipping_snapshot_verify()
): # only skip for local tests unless overridden
for m in item.iter_markers(name="skip_snapshot_verify"):
skip_paths = m.kwargs.get("paths", [])

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