Files
lix/tests/functional2/lang/err_context/test_err_context.py
T
Rebecca Turnerandrootile cb34b56fea tests/functional2: Fix Python LSP by adjusting imports
See: cl/4840

When importing Python modules, we include `functional2` in the module
path, like this:

    from functional2.testlib.fixtures.env import ManagedEnv

This means that python expects to see a file like
`functional2/testlib/fixtures/env.py`. We run `pytest` from `tests/` in
the `justfile` and have `tests/functional2/__init__.py` so `pytest` in
`meson` is able to find these imports.

However, language servers generally consider the `pyproject.toml` to be
the project root, so (e.g.) `pyright` is unable to follow any of the
`functional2` imports, leading to lots of spurious errors.

In cl/4840 I moved `tests/functional2/pyproject.toml` to
`tests/pyproject.toml`, which worked but was considered aesthetically
unappealing.

This diff is much larger but it's a more elegant solution.

Change-Id: I2983c7b87f88f59a4e3521451a9f5acd6a6a6964
2026-01-23 15:06:51 +01:00

11 lines
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Python

from testlib.fixtures.nix import Nix
def test_err_context(nix: Nix):
# the lang test framework doesn't check this folder, as there is a custom test in here
# it won't scream about missing an `in.nix` or .exp files
result = nix.nix_instantiate(
["--show-trace", "--eval", "-E", 'builtins.addErrorContext "Hello" (throw "Foo")']
).run()
assert "Hello" in result.expect(1).stderr_s