This started to fail recently with:
```
mypy.....................................................................Failed
- hook id: mypy
- exit code: 1
src/_pytest/assertion/rewrite.py:284: error: Returning Any from function declared to return "TraversableResources" [no-any-return]
Found 1 error in 1 file (checked 219 source files)
```
Not sure why that started failing, but seems like ignoring that error specifically is OK.
Given we are already creating a `PurePath`, just pass the parts directly to it.
This avoids using `os.path.sep`, that although is an official API, seems not to be available in all systems.
Fix#9791
`usage.rst` has been moved from `doc/en` to `doc/en/how-to`, so the `man_pages` configuration
value needs to be updated to the new location, so that we dont get this warning:
writing... WARNING: "man_pages" config value references unknown document usage
`usage.rst` has been moved from `doc/en` to `doc/en/how-to`, so the `man_pages` configuration
value needs to be updated to the new location, so that we dont get this warning:
writing... WARNING: "man_pages" config value references unknown document usage
- Remove the index page https://docs.pytest.org/en/7.1.x/genindex.html
Such an index is reasonable in books but not so much in HTML pages.
IMHO the integrated search is much more user-friendly and sufficient.
- Remove the PDF link from the entry page. The PDF is already linked
in the sidebar. I anticipate that getting the PDF documentation is
not a major concern for users.
- Remove the sections "Changelog" and "License" from the entry page.
These section only contain links to the respective pages.
These topics are purely technical. They should be easily accessible
(which they still are through sidebar section "About the project"),
but they don't need additional advertisement through a dedicated
section on the entry page.
This is especially useful for large repositories (e.g. monorepos) that
use a hierarchical file system organization for nested test paths.
src/*/tests
The implementation uses the standard `glob` module to perform wildcard
expansion in Config.parse().
The related logic that determines whether or not to include 'testpaths'
in the terminal header was previously relying on a weak heuristic: if
Config.args matched 'testpaths', then its value was printed. That
generally worked, but it could also print when the user explicitly used
the same arguments on the command-line as listed in 'testpaths'. Not a
big deal, but it shows that the check was logically incorrect.
Now that 'testpaths' can contain wildcards, it's no longer possible to
perform this simple comparison, so this change also introduces a public
Config.ArgSource enum and Config.args_source attribute that explicitly
names the "source" of the arguments: the command line, the invocation
directory, or the 'testdata' configuration value.
This changes the order to:
- API Reference
- Fixtures reference
- Configuration
- Exit codes
- Plugin List
which is approximately sorted from general to specific and often used to less used.
Plugin List ist at the end because it points to further external resources.
This extensive explanation is not need anymore because they are now
unsupported for a long time.
Instead add as short section on Python version compatibility in the
backward compatibility docs.
It's better to have the documentation in one place, instead
of having some in the docstring and some additional
information added to the reference documentation in
`reference.rst`.
Up to now, some had the prefix, some didn't. I think it's good to have
this prefix to give more context, otherwise the links sometimes blend
into the description.
In one case, the link goes to an example, so I used `**Example**:` there.
Up to now, some had the prefix, some didn't. I think it's good to have
this prefix to give more context, otherwise the links sometimes blend
into the description.
In one case, the link goes to an example, so I used `**Example**:` there.
These pytester utility methods were annotated to only receive `str`
names, but they naturally support os.PathLike values, as well.
This makes writing some pytester calls a little nicer, such as when
creating a directory based on a `.joinpath()` call. We previously needed
to cast that intermediate value to a `str`.
As discussed in https://github.com/pytest-dev/pytest/pull/9800, this uses
monkeypatch to change directories for two tests in `test_collection.py`, to preserve
their original purpose (even if just removing it doesn't seem to affect the outcome).
Getting the current working directory has no side-effects, so these context managers were no-ops.
Discovered because Path.__enter__ is deprecated in Python 3.11, for removal in 3.13.
This will trigger a deploy directly when a tag is pushed, avoiding
having to wait for another lenghty build.
This is safe since we only push release tags after the release PR has passed all its tests.
See comments in #9793.
The left/right operands produced when `verbose > 1` should not contain newlines, because they are used to
build the `summary` string. The `assertrepr_compare` function returns a list of lines, and the summary is one of those lines and should not contain newlines itself.
Fix#9742
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Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
The change from `path not in confuctdir.parents` to the `relative_to`
check in 0c98f19231 broke picking up
conftest files when running against an installed package/site-packages.
See the issue for more details.
Fix#9767.
Including the file name is enough to let the user know what the problem is.
The same is not needed for `.ini` files because the error message includes the path to the file by default.
Fix#9730
It is tempting to use `monkeypatch` to replace the other mechanisms in pytester which change global
state: `CwdSnapshot`, `SysModulesSnapshot`, `SysPathsSnapshot`, however those are more delicate
than they look at first glance so leaving those alone for now.
Close#9708
The dummy modules we introduce in `insert_missing_modules` (due to #7856 and #7859)
would cause problems if the dummy modules actually end up replacing modules
which could be imported normally because they are available in `PYTHONPATH`.
Now we attempt to first import the module via normal mechanisms, and only
introduce the dummy modules if the intermediary modules don't actually exist.
Close#9645
In the following
@pytest.mark.parametrize(..., ids=[val])
the ID values are only allowed to be `str`, `float`, `int` or `bool`.
In the following
@pytest.mark.parametrize(..., [val])
@pytest.mark.parametrize(..., [pytest.param(..., id=val])
a different code path is used, which also allows `bytes`, `complex`,
`re.Pattern`, `Enum` and anything with a `__name__`.
In the interest of consistency, use the latter code path for all cases.
originally reproduced with this pollution set:
```
testing/test_assertrewrite.py::TestEarlyRewriteBailout::test_pattern_contains_subdirectories
testing/test_assertrewrite.py::TestRewriteOnImport::test_remember_rewritten_modules
```
This fixes#9610.
pytest 7.0.0 (unintentionally) changed `UnitTestFunction.obj`'s' behavior
to match `Function.obj`. That is probably a good thing to have, however
it evidently causes some regressions as described in the issue, so
restore the previous behavior for now. In the future we might want to
make this change again, but with proper consideration.
re: review from @asottile that this should only get imported in the function
modify the else/if logic since inside the function we already know the python version is >= 3.10, and just have to know if it is 3.11 or greater
I still think it makes sense to always serve docs from the release branch (rather than the latest tagged release), but that means we need to update it on new releases.
The docs already assume an 'upstream' remote, so we can only fetch from there instead of fetching all remotes. We also don't need to hardcode the remote URL.
alinsa_vix in Discord noticed that we are not testing Python 3.9 and 3.10 on macOS, which seems strange. Maybe this is due how to macOS CI resources were quite scarce for a while, but I believe this has improved since.
* releasing: Add template for major releases
With pytest 6.0.0, we still used a manual releasing workflow (at least if I
remember correctly), and apparently we never wrote a release announcement
template for major releases. Instead, the minor release template claimed that
the release would contain "breaking changes", which doesn't seem reasonable.
Thus, this adds a new major template based on the former minor template, and
adjusts the latter to only mention fixes and new features instead.
* Update scripts/release.minor.rst
Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
* Add additional docs for uncooperative ctor deprecation
Fixes#9488
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* Break up long line
* Recommend kwonly args
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This commit only refactors, it does not change or add functionality yet. Public
API is retained. Reason or refactoring:
User provided parameter IDs (e.g. Metafunc.parametrize(ids=...)) had so far
only been used to calculate a unique test ID for each test invocation. That
test ID was a joined string where each parameter contributed some partial ID.
We're soon going to reuse functionality to generate parameter keys for
reorder_items and FixtureDef cache. We will be interested in the partial
IDs, and only if they originate from explicit user information. Refactoring
makes logic and data accessible for reuse, and increases cohesion in general.
The docstring (and function name itself) described things as if IDs are
being assigned to the argnames, but actually they're assigned to the
parameter sets.
If we do the `update`s in the right order, we can avoid the `mark.name
not in self.keywords` check, since `self.keywords` starts out clean and
`update` will override previously set keywords.
By my analysis, this deleted code block has no effect:
1. `self.keywords` is `update`d with `callspec.marks`.
2. `self.own_markers` is `update`d with `callspec.marks`.
3. `self.keywords` is `update`d with `self.own_markers`.
So together steps 2+3 completely undo step 1.
This does have a slight semantic change: in a node hierarchy parent ->
child, if parent has a marker applied, then child is constructed, then
`parent.themarker = "overridden"`, previously
`child.keywords['themarker']` would return `True`, now it returns
`"overridden"`. But that's actually what I would have expected so I see
it as more of a bugfix.
(except `Instance`)
Currently, `Function` does this manually, but other node types don't get
their markers added to their `keywords`, but they should, if only for
consistency.
Marks are added to keywords in three places:
- `Node.add_marker`: name -> `Mark`
- `Function.__init__(callspec)`: name -> `Mark`
- `Function.__init__ iter_markers`: name -> True
I think it should be consistent, which will also help with some upcoming
code cleaning. The `Mark` seems more useful than just a `True`, so
switch to that.
* Add docs on pytest.warns(None) deprecation
* Add new section for common warnings use cases
* Fix references for warnings use cases
* Fix reference link
I think this named function makes the code a bit easier to understand.
Also change the check to explicitly check for "is a sub-path of" instead
of the previous check which only worked assuming that path is within
confcutdir or a direct parent of it.
This made the cache not work as intended, causing a major slowdown.
See #9478 for discussion and context.
Authored-by: Anthony Sottile <asottile@umich.edu>
Before 7.0.0rc1, the function accepted `Union[str, py.path.local]`, and
`py.path.local` compares equal to the string path, so a user was able to
pass the path as a string and it would work. In 7.0.0rc1 we changed the
`py.path.local` to `Path` which doesn't compare equal to the string
path, which breaks compatibility (e.g. the `sybil` package).
This restores compatibility for this function by accepting any
`os.PathLike[str]` and only comparing the string representations.
Since commit 89f0b5b5a2 cases as in the
added test started to fail, like they do for the standard pytest names
(`setup_module` etc). But the name `setup` in particular is way too
common for us to start taking it over more aggressively, so restore the
previous behavior which required the object to be callable.
Fix#9391.
To backport a PR, e.g. 1000, to another branch, e.g. `7.0.x`, add a
label `backport 7.0.x` to the PR. This will trigger a workflow which
will create a branch `backport-1000-to-7.0.x` based on the `7.0.x`
branch with a cherry-pick of the PR's merge commit, and create a new PR
for it against the `7.0.x` branch.
It is very simplistic, for instance it doesn't handle cherry-pick
failure gracefully, doesn't validate the state of the PR, doesn't check
if the branch already exists, etc. But we can improve on it later as
needed.
Finally, PRs created by github actions do not themselves trigger further
actions, i.e. the PR isn't checked. You need to close & reopen the PR
for the checks to trigger. There are workarounds for this but they are
either less secure or require more setup.
The `pytest_pycollector_makeitem` argument `collector` is currently
annotated with type `PyCollector`. As part of #7469, that would have
required us to expose it in the public API. But really it's an
implementation detail, not something we want to expose. So replace the
annotation with the concrete python collector types that are passed.
Strictly speaking, `pytest_pycollector_makeitem` is called from
`PyCollector.collect()`, so the new type annotation is incorrect if
another type subclasses `PyCollector`. But the set of python collectors
is closed (mapping to language constructs), and the type is private, so
there shouldn't be any other deriving classes, and we can consider it
effectively sealed (unfortunately Python does not provide a way to
express this - yet?).
* scripts: Use release branch for changelog URL
With a prerelease, /stable won't show the correct changelog.
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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This reverts commit 15989ddc8f.
Reverts #8945, thus reintroducing #8926 temporarily, but we should be close to
the 7.0.0 release now, where this is the correct URL to use.
Closes#8831 as follow-up to #8858.
* Improve reference and path/fspath docs
Closes#9283
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* fixups
* Add explanation
* Update wording after #9363
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* Rename pytest_ignore_collect fspath parameter to collection_path
* Rename pytest_collect_file fspath parameter to file_path
* Rename pytest_pycollect_makemodule fspath parameter to module_path
* Rename pytest_report_header startpath parameter to start_path
* Rename pytest_report_collectionfinish startpath parameter to start_path
* Update docs with the renamed parameters
* Use pytest-flakes fork temporarily to prove it works
* Use pytest-flakes 4.0.5
Follow-up to #9309.
The issue in the changelog broke the docs build with:
doc/en/_changelog_towncrier_draft.rst:47: WARNING: Inline literal start-string
without end-string.
The second change isn't as critical, but caused the text to be rendered as
monospace including the tilde (i.e. `~pytest.PytestDeprecationwarning`).
Closes#7480.
This allows us to more easily follow our deprecation policy of turning
warnings into errors for the X.0 releases before complete removal in
X.1.
It also makes the deprecation timeline clear to both the users and
pytest developers -- it can be hard to keep track.
Note that the designation is not meant to be a binding contract - if the
time comes for removal of a specific deprecation but we decide it's too
soon, can just bump it to the next major.
Inspired by Django:
https://docs.djangoproject.com/en/dev/internals/contributing/writing-code/submitting-patches/#deprecating-a-feature
* Remove changelog entry for #8251
Reverted in #8903
* Move #9202 changelog to to trivial
This won't concern users of pytest
* Streamline deprecation changelogs/docs
* Remove #8994 changelog
This is an impovement for a warning introduced in this release, so including it in a changelog against the last release seems confusing.
* Remove #9241 changelog
This is an impovement for a doc update introduced in this release, so including it in a changelog against the last release seems confusing. The issue number also seems about something different.
* Remove #8897 changelog
Empty file...
* Various minor changelog fixes
* nodes: keep plugins which subclass Item, File working for a bit more
Fix#8435.
* Update src/_pytest/nodes.py
Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
Co-authored-by: Florian Bruhin <me@the-compiler.org>
Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
* porting pytest.skip() to use reason=, adding tests
* avoid adding **kwargs, it breaks other functionality, use optional msg= instead
* deprecation of `pytest.fail(msg=...)`
* fix bug with not capturing the returned reason value
* pass reason= in acceptance async tests instead of msg=
* finalising deprecations of `msg` in `pytest.skip()` and `pytest.fail()`
* Update doc/en/deprecations.rst
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* Update doc/en/deprecations.rst
Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
* fix failing test after upstream merge
* adding deprecation to `pytest.exit(msg=...)`
* add docs for pytest.exit deprecations
* finalising deprecation of msg for pytest.skip, pytest.exit and pytest.fail
* hold a reference to the Scope instance to please mypy
Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>
Fixes#9272.
Fixing the issue directly in the plugin is somewhat hard, so do it in
core. Since the plugin is going to be deprecated, I figure it's OK to
cheat a bit.
The current PDF docs attempt to format the list of all plugins as a
table, without any word-wrapping of the plugin description. That results
in almost all the information getting cut off. This PR formats the same
information into more of a paragraph format for the PDF, with nothing
cut off.
Fixes#451
This is unfortunately a dependency on `py.path` which cannot be moved to
an external plugins or eased in any way, so has to be deprecated in
order for pytest to be able to eventually remove the dependency on `py`.
Export `HookRecorder`, `RecordedHookCall` (originally `ParsedCall`),
`RunResult`, `LineMatcher`.
These types are reachable through `Pytester` and so should be public
themselves for typing and other purposes.
The name `ParsedCall` I think is too generic under the `pytest`
namespace, so rename it to `RecordedHookCall`.
The `HookRecorder`'s constructor is made private -- it should only be
constructed by `Pytester`.
`LineMatcher` and `RunResult` are exported as is - no private and no
rename, since they're being used.
All of the classes are made final as they are not designed for
subclassing.
This causes `Session` documentation to be rendered again in full under
`pytester` and `testdir` in the API Reference. I tried but couldn't get
sphinx to hide it.
Since it's a pretty odd thing to have (should just use
`pytest.Session`), and I couldn't find any plugin which uses this, let's
just remove it.
`reportinfo()` is the last remaining py.path-only code path in pytest,
i.e. the last piece holding back py.path deprecation. The problem with
it is that plugins/users use it from both sides -- implementing it
(returning the value) and using it (using the return value). Dealing
with implementers is easy enough -- allow to return `os.PathLike[str]`.
But for callers who expect strictly `py.path` this will break and
there's not really a good way to provide backward compat for this.
From analyzing a corpus of 680 pytest plugins, the vast majority of
`reportinfo` appearances are implementations, and the few callers don't
actually access the path part of the return tuple.
As for test suites that might access `reportinfo` (e.g. using
`request.node.reportinfo()` or other ways), that is much harder to
survey, but from the ones I searched, I only found case
(`pytest_teamcity`, but even then it uses `str(fspath)` so is unlikely
to be affected in practice). They are better served with using
`node.location` or `node.path` directly.
Therefore, just break it and change the return type to
`str|os.PathLike[str]`.
Refs #7259.
This type is semi-private; not documented but many plugins access it
through `item.callspec`. However, plugins access the public fields and
almost none try to construct or monkeypatch it. So we should be allowed
to clean it up some.
- Convert to attrs, add slots and frozen
- Instead of doing `new = old.copy(); new.setmulti2()`, do `new =
old.setmulti()`. This is cleaner and faster.
- Remove the `metafunc` attribute. This causes a reference cycle
(multifunc._calls -> callspec -> multifunc) for no good reason --
neither pytest itself or plugins access this attribute, so let's not
keep the Metafunc objects alive past their due.
- Some comments.
I would have also like to make the dicts and lists themselves immutable,
however some plugins mess with those so that should be done separately,
if at all.
this issues is less likely to hit due to the recent regendoc release
which includes a wheel
* migrate to setuptools_scm 6.3.2
* use SETUPTOOLS_SCM_PRETEND_VERSION_FOR_PYTEST
Now that it's no longer using `@lru_cache`, use another check to avoid
re-computation. Although `@lru_cache` is faster than the full function
call + checks, this approach also has the advantage that the caching
works for more than 128 entries.
* Fix non-sensical error message
Introduced in 12de92cd2b / #7698
* Add a test
* Put the unit back into unittest
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A new plugin has this summary:
Continiously runs pytest on changes in *.py files
The `*` is interpreted as a special character and fails the CI.
Add some rudimentary escaping to hopefully prevent this.
The projects page unfortunately contains a lot of old projects, and some information there appears to be stale.
It was created at a time pytest was starting to be used, but seems pointless now as pytest is the most popular testing framework, so listing a few dozen projects which use it seems pointless.
Rather than updating it, I think we should remove it because this has the chance to become stale again soon, and not sure how valuable it is anyway.
The PDF documentation on readthedocs was missing the figures in the
fixtures reference chapter. This PR uses a Sphinx plugin that
automatically converts the checked-in SVG files to the PDF input files
that LaTeX requires.
The SVG-to-PDF conversion is done by inkscape, which gave the best
conversion among the tools I tried. However, it [does not yet
understand][href-bug] that you can write a plain `href` instead of
`xlink:href` in svg files, so I’ve had to edit the SVG files
accordingly.
[href-bug]: https://github.com/TeX-Live/luatex.git
Some of the top search-engine hits for pytest.approx use the function without actually comparing it to anything.
This PR will cause these tests to fail by implementing approx.__bool__() to raise an AssertionError that briefly explains how to correctly use approx.
* expose `warnings=` to pytester `assert_outcomes()`
* fix test fallout from adding warnings= to assert_outcomes()
* #closes 8593 - Improve test and add a `changelog` entry for the change
It is not clear yet how we should proceed with this deprecation
because `pytest.Item.reportinfo` is public API and returns a `py.path` object,
and is not clear how plugins and our examples should handle that.
Reverting just the deprecation aspect of #8251 so we can get a 7.0.0 release out.
We will reintroduce the deprecation later once we have a clear path moving forward with replacing `reportinfo`.
Closes#8445Closes#8821
the best practice is to only `<` when you know something is broken, and even then prefer `!=` assuming it will be fixed upstream for maximum compatibility
* fix-contributors-list
* remove-bots
* delete-extraneous-file
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* issue a warning when Items and Collector form a diamond
addresses #8435
* Apply suggestions from code review
Co-authored-by: Ran Benita <ran@unusedvar.com>
* Return support for the broken File/Item hybrids
* adds deprecation
* ads necessary support code in node construction
* fix incorrect mypy based assertions
* add docs for deprecation of Item/File inheritance
* warn when a non-cooperative ctor is encountered
* use getattr instead of cast to get the class __init__ for legacy ctors
* update documentation references for node inheritance
* clean up file+item inheritance test
enhance docs
move import upwards
Co-authored-by: Ran Benita <ran@unusedvar.com>
* cache: Move repetitive code to fixture
* cache: Explicitly test for chmod result
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* Fix lint
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Look through the `GitHub issues for bugs <https://github.com/pytest-dev/pytest/labels/type:%20bug>`_.
See also the `"status: easy" issues <https://github.com/pytest-dev/pytest/labels/status%3A%20easy>`_
that are friendly to new contributors.
:ref:`Talk <contact>` to developers to find out how you can fix specific bugs. To indicate that you are going
to work on a particular issue, add a comment to that effect on the specific issue.
@@ -324,7 +326,7 @@ Here is a simple overview, with pytest-specific bits:
Writing Tests
~~~~~~~~~~~~~
Writing tests for plugins or for pytest itself is often done using the `pytester fixture <https://docs.pytest.org/en/stable/reference.html#pytester>`_, as a "black-box" test.
Writing tests for plugins or for pytest itself is often done using the `pytester fixture <https://docs.pytest.org/en/stable/reference/reference.html#pytester>`_, as a "black-box" test.
For example, to ensure a simple test passes you can write:
@@ -391,6 +393,13 @@ actual latest release). The procedure for this is:
request, as described above. An exception to this is if the bug fix is not
applicable to ``main`` anymore.
Automatic method:
Add a ``backport 1.2.x`` label to the PR you want to backport. This will create
a backport PR against the ``1.2.x`` branch.
Manual method:
#.``git checkout origin/1.2.x -b backport-XXXX`` # use the main PR number here
#. Locate the merge commit on the PR, in the *merged* message, for example:
#. For major and minor releases, change the default version in the `Read the Docs Settings <https://readthedocs.org/dashboard/pytest/advanced/>`_ to the new branch.
#. Send an email announcement with the contents from::
When running with ``--pdb``, ``TestCase.tearDown`` is no longer called for tests when the *class* has been skipped via ``unittest.skip`` or ``pytest.mark.skip``.
A warning is now emitted if a test function returns something other than `None`. This prevents a common mistake among beginners that expect that returning a `bool` (for example `return foo(a, b) == result`) would cause a test to pass or fail, instead of using `assert`.
The types of objects used in pytest's API are now exported so they may be used in type annotations.
The newly-exported types are:
-``pytest.Config`` for :class:`Config <pytest.Config>`.
-``pytest.Mark`` for :class:`marks <pytest.Mark>`.
-``pytest.MarkDecorator`` for :class:`mark decorators <pytest.MarkDecorator>`.
-``pytest.MarkGenerator`` for the :class:`pytest.mark <pytest.MarkGenerator>` singleton.
-``pytest.Metafunc`` for the :class:`metafunc <pytest.MarkGenerator>` argument to the :func:`pytest_generate_tests <pytest.hookspec.pytest_generate_tests>` hook.
-``pytest.CallInfo`` for the :class:`CallInfo <pytest.CallInfo>` type passed to various hooks.
-``pytest.PytestPluginManager`` for :class:`PytestPluginManager <pytest.PytestPluginManager>`.
-``pytest.ExceptionInfo`` for the :class:`ExceptionInfo <pytest.ExceptionInfo>` type returned from :func:`pytest.raises` and passed to various hooks.
-``pytest.Parser`` for the :class:`Parser <pytest.Parser>` type passed to the :func:`pytest_addoption <pytest.hookspec.pytest_addoption>` hook.
-``pytest.OptionGroup`` for the :class:`OptionGroup <pytest.OptionGroup>` type returned from the :func:`parser.addgroup <pytest.Parser.getgroup>` method.
Constructing them directly is not supported; they are only meant for use in type annotations.
Doing so will emit a deprecation warning, and may become a hard-error in pytest 7.0.
Subclassing them is also not supported. This is not currently enforced at runtime, but is detected by type-checkers such as mypy.
The ``@pytest.mark.skip`` decorator now correctly handles its arguments. When the ``reason`` argument is accidentally given both positional and as a keyword (e.g. because it was confused with ``skipif``), a ``TypeError`` now occurs. Before, such tests were silently skipped, and the positional argument ignored. Additionally, ``reason`` is now documented correctly as positional or keyword (rather than keyword-only).
Use private names for internal fixtures that handle classic setup/teardown so that they don't show up with the default ``--fixtures`` invocation (but they still show up with ``--fixtures -v``).
The :confval:`required_plugins` config option now works correctly when pre-releases of plugins are installed, rather than falsely claiming that those plugins aren't installed at all.
Fixed issue where `TestCase.setUpClass` is not called when a test has `/` in its name since pytest 6.2.0.
This refers to the path part in pytest node IDs, e.g. `TestClass::test_it` in the node ID `tests/test_file.py::TestClass::test_it`.
Now, instead of assuming that the test name does not contain ``/``, it is assumed that test path does not contain ``::``. We plan to hopefully make both of these work in the future.
New :ref:`version-tuple` attribute, which makes it simpler for users to do something depending on the pytest version (such as declaring hooks which are introduced in later versions).
@@ -10,10 +10,9 @@ Are you an enthusiastic pytest user, the local testing guru in your workplace? O
We will pair experienced pytest users with open source projects, for a month's effort of getting new development teams started with pytest.
In 2015 we are trying this for the first time. In February and March 2015 we will gather volunteers on both sides, in April we will do the work, and in May we will evaluate how it went. This effort is being coordinated by Brianna Laugher. If you have any questions or comments, you can raise them on the `@pytestdotorg twitter account <https://twitter.com/pytestdotorg>`_ the `issue tracker`_ or the `pytest-dev mailing list`_.
In 2015 we are trying this for the first time. In February and March 2015 we will gather volunteers on both sides, in April we will do the work, and in May we will evaluate how it went. This effort is being coordinated by Brianna Laugher. If you have any questions or comments, you can raise them on the `@pytestdotorg twitter account <https://twitter.com/pytestdotorg>`_\, the :issue:`issue tracker <676>` or the `pytest-dev mailing list`_.
@@ -22,7 +22,9 @@ b) transitional: the old and new API don't conflict
We will only start the removal of deprecated functionality in major releases (e.g. if we deprecate something in 3.0 we will start to remove it in 4.0), and keep it around for at least two minor releases (e.g. if we deprecate something in 3.9 and 4.0 is the next release, we start to remove it in 5.0, not in 4.0).
When the deprecation expires (e.g. 4.0 is released), we won't remove the deprecated functionality immediately, but will use the standard warning filters to turn them into **errors** by default. This approach makes it explicit that removal is imminent, and still gives you time to turn the deprecated feature into a warning instead of an error so it can be dealt with in your own time. In the next minor release (e.g. 4.1), the feature will be effectively removed.
A deprecated feature scheduled to be removed in major version X will use the warning class `PytestRemovedInXWarning` (a subclass of :class:`~pytest.PytestDeprecationwarning`).
When the deprecation expires (e.g. 4.0 is released), we won't remove the deprecated functionality immediately, but will use the standard warning filters to turn `PytestRemovedInXWarning` (e.g. `PytestRemovedIn4Warning`) into **errors** by default. This approach makes it explicit that removal is imminent, and still gives you time to turn the deprecated feature into a warning instead of an error so it can be dealt with in your own time. In the next minor release (e.g. 4.1), the feature will be effectively removed.
c) true breakage: should only be considered when normal transition is unreasonably unsustainable and would offset important development/features by years.
@@ -30,15 +32,15 @@ c) true breakage: should only be considered when normal transition is unreasonab
Examples for such upcoming changes:
* removal of ``pytest_runtest_protocol/nextitem`` - `#895`_
* removal of ``pytest_runtest_protocol/nextitem`` - :issue:`895`
* rearranging of the node tree to include ``FunctionDefinition``
* rearranging of ``SetupState```#895`_
* rearranging of ``SetupState``:issue:`895`
True breakages must be announced first in an issue containing:
* Detailed description of the change
* Rationale
* Expected impact on users and plugin authors (example in `#895`_)
* Expected impact on users and plugin authors (example in :issue:`895`)
After there's no hard *-1* on the issue it should be followed up by an initial proof-of-concept Pull Request.
@@ -77,4 +79,16 @@ Features currently deprecated and removed in previous releases can be found in :
We track future deprecation and removal of features using milestones and the `deprecation <https://github.com/pytest-dev/pytest/issues?q=label%3A%22type%3A+deprecation%22>`_ and `removal <https://github.com/pytest-dev/pytest/labels/type%3A%20removal>`_ labels on GitHub.
In order to support the transition from ``py.path.local`` to :mod:`pathlib`, the following hooks now receive additional arguments:
*:hook:`pytest_ignore_collect(collection_path: pathlib.Path) <pytest_ignore_collect>` as equivalent to ``path``
*:hook:`pytest_collect_file(file_path: pathlib.Path) <pytest_collect_file>` as equivalent to ``path``
*:hook:`pytest_pycollect_makemodule(module_path: pathlib.Path) <pytest_pycollect_makemodule>` as equivalent to ``path``
*:hook:`pytest_report_header(start_path: pathlib.Path) <pytest_report_header>` as equivalent to ``startdir``
*:hook:`pytest_report_collectionfinish(start_path: pathlib.Path) <pytest_report_collectionfinish>` as equivalent to ``startdir``
The accompanying ``py.path.local`` based paths have been deprecated: plugins which manually invoke those hooks should only pass the new ``pathlib.Path`` arguments, and users should change their hook implementations to use the new ``pathlib.Path`` arguments.
..note::
The name of the :class:`~_pytest.nodes.Node` arguments and attributes,
:ref:`outlined above <node-ctor-fspath-deprecation>` (the new attribute
being ``path``) is **the opposite** of the situation for hooks (the old
argument being ``path``).
``Node.fspath`` in favor of ``pathlib`` and ``Node.path``
Defining a custom pytest node type which is both an :class:`pytest.Item <Item>` and a :class:`pytest.Collector <Collector>` (e.g. :class:`pytest.File <File>`) now issues a warning.
It was never sanely supported and triggers hard to debug errors.
Some plugins providing linting/code analysis have been using this as a hack.
Instead, a separate collector node should be used, which collects the item. See
:ref:`non-python tests` for an example, as well as an `example pr fixing inheritance`_.
:func:`unittest.skip` in unittest test cases is fully supported.
See :ref:`warns use cases` for examples.
Returning non-None value in test functions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
..deprecated:: 7.2
A :class:`pytest.PytestReturnNotNoneWarning` is now emitted if a test function returns something other than `None`.
This prevents a common mistake among beginners that expect that returning a `bool` would cause a test to pass or fail, for example:
..code-block::python
@pytest.mark.parametrize(
["a","b","result"],
[
[1,2,5],
[2,3,8],
[5,3,18],
],
)
deftest_foo(a,b,result):
returnfoo(a,b)==result
Given that pytest ignores the return value, this might be surprising that it will never fail.
The proper fix is to change the `return` to an `assert`:
..code-block::python
@pytest.mark.parametrize(
["a","b","result"],
[
[1,2,5],
[2,3,8],
[5,3,18],
],
)
deftest_foo(a,b,result):
assertfoo(a,b)==result
The ``--strict`` command-line option
@@ -92,29 +316,42 @@ The ``yield_fixture`` function/decorator
It has been so for a very long time, so can be search/replaced safely.
The ``pytest_warning_captured`` hook
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Removed Features
----------------
..deprecated:: 6.0
As stated in our :ref:`backwards-compatibility` policy, deprecated features are removed only in major releases after
an appropriate period of deprecation has passed.
This hook has an `item` parameter which cannot be serialized by ``pytest-xdist``.
Use the ``pytest_warning_recored`` hook instead, which replaces the ``item`` parameter
by a ``nodeid`` parameter.
The ``pytest.collect`` module
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
..deprecated:: 6.0
..versionremoved:: 7.0
The ``pytest.collect`` module is no longer part of the public API, all its names
should now be imported from ``pytest`` directly instead.
The ``pytest_warning_captured`` hook
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
..deprecated:: 6.0
..versionremoved:: 7.0
This hook has an `item` parameter which cannot be serialized by ``pytest-xdist``.
Use the ``pytest_warning_recorded`` hook instead, which replaces the ``item`` parameter
by a ``nodeid`` parameter.
The ``pytest._fillfuncargs`` function
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
..deprecated:: 6.0
..versionremoved:: 7.0
This function was kept for backward compatibility with an older plugin.
@@ -123,12 +360,6 @@ it, use `function._request._fillfixtures()` instead, though note this is not
a public API and may break in the future.
Removed Features
----------------
As stated in our :ref:`backwards-compatibility` policy, deprecated features are removed only in major releases after
an appropriate period of deprecation has passed.
``--no-print-logs`` command-line option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -143,6 +374,7 @@ A ``--show-capture`` command-line option was added in ``pytest 3.5.0`` which all
display captured output when tests fail: ``no``, ``stdout``, ``stderr``, ``log`` or ``all`` (the default).
.._resultlog deprecated:
Result log (``--result-log``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -165,8 +397,8 @@ at some point, depending on the plans for the plugins and number of users using
..versionremoved:: 6.0
The ``pytest_collect_directory`` has not worked properly for years (it was called
but the results were ignored). Users may consider using :func:`pytest_collection_modifyitems <_pytest.hookspec.pytest_collection_modifyitems>` instead.
The ``pytest_collect_directory`` hook has not worked properly for years (it was called
but the results were ignored). Users may consider using :hook:`pytest_collection_modifyitems` instead.
TerminalReporter.writer
~~~~~~~~~~~~~~~~~~~~~~~
@@ -180,6 +412,8 @@ with ``py.io.TerminalWriter``.
Plugins that used ``TerminalReporter.writer`` directly should instead use ``TerminalReporter``
methods that provide the same functionality.
.._junit-family changed default value:
``junit_family`` default value change to "xunit2"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -267,6 +501,8 @@ in places where we or plugin authors must distinguish between fixture names and
names supplied by non-fixture things such as ``pytest.mark.parametrize``.
.._pytest.config global deprecated:
``pytest.config`` global
~~~~~~~~~~~~~~~~~~~~~~~~
@@ -311,7 +547,7 @@ Becomes:
If you still have concerns about this deprecation and future removal, please comment on
@@ -364,6 +600,8 @@ This issue should affect only advanced plugins who create new collection types,
message please contact the authors so they can change the code.
.._marks in pytest.parametrize deprecated:
marks in ``pytest.mark.parametrize``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -412,6 +650,8 @@ To update the code, use ``pytest.param``:
...
.._pytest_funcarg__ prefix deprecated:
``pytest_funcarg__`` prefix
~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -443,6 +683,8 @@ Switch over to the ``@pytest.fixture`` decorator:
to avoid conflicts with other distutils commands.
.._metafunc.addcall deprecated:
Metafunc.addcall
~~~~~~~~~~~~~~~~
@@ -467,6 +709,8 @@ Becomes:
metafunc.parametrize("i",[1,2],ids=["1","2"])
.._cached_setup deprecated:
``cached_setup``
~~~~~~~~~~~~~~~~
@@ -495,10 +739,12 @@ This should be updated to make use of standard fixture mechanisms:
session.close()
You can consult `funcarg comparison section in the docs <https://docs.pytest.org/en/stable/funcarg_compare.html>`_ for
You can consult :std:doc:`funcarg comparison section in the docs <funcarg_compare>` for
more information.
.._pytest_plugins in non-top-level conftest files deprecated:
pytest_plugins in non-top-level conftest files
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -509,6 +755,8 @@ files because they will activate referenced plugins *globally*, which is surpris
features ``conftest.py`` files are only *active* for tests at or below it.
.._config.warn and node.warn deprecated:
``Config.warn`` and ``Node.warn``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -536,6 +784,8 @@ Becomes:
*``node.warn("CI", "some message")``: this code/message form has been **removed** and should be converted to the warning instance form above.
.._record_xml_property deprecated:
record_xml_property
~~~~~~~~~~~~~~~~~~~
@@ -559,6 +809,8 @@ Change to:
...
.._passing command-line string to pytest.main deprecated:
Passing command-line string to ``pytest.main()``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -581,6 +833,8 @@ By passing a string, users expect that pytest will interpret that command-line u
on (for example ``bash`` or ``Powershell``), but this is very hard/impossible to do in a portable way.
.._calling fixtures directly deprecated:
Calling fixtures directly
~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -634,6 +888,8 @@ with the ``name`` parameter:
returncell()
.._yield tests deprecated:
``yield`` tests
~~~~~~~~~~~~~~~
@@ -662,6 +918,8 @@ This form of test function doesn't support fixtures properly, and users should s
deftest_squared(x,y):
assertx**x==y
.._internal classes accessed through node deprecated:
Internal classes accessed through ``Node``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -696,6 +954,8 @@ As part of a large :ref:`marker-revamp` we already deprecated using ``MarkInfo``
the only correct way to get markers of an element is via ``node.iter_markers(name)``.
.._pytest.namespace deprecated:
``pytest_namespace``
~~~~~~~~~~~~~~~~~~~~
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