Comments (3)
This is a bit of a tricky area. At the point where the fixture executes, hasn't sys.stdout
already been replaced with something else by Ward? If you print it out you might see that it has.
An idea that might work is this:
Inside your fixture, you could re-assign sys.stdout
to some proxy file-like object which captures the output and then forwards it on to whatever was in sys.stdout
before. Something like sys.stdout = CapturingProxy(sys.stdout)
.
CapturingProxy
would be a file-like object implementing read
/write
etc, and storing everything that it proxies through to the original stdout. Then, you'd return the content that the CapturingProxy
holds.
The scope of the fixture would probably need to be Test
as well for this to work, so that each test only records what was written during its own execution.
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Hm... Tried https://pypi.org/project/capturer/ but got an error with UnsupportedOperation: fileno
as Ward mutates some low level things I think.
Same issue as reported here: #339
from ward.
FWIW here's a hacky setup I'm using. Instead of calling the functions directly in the tests, I wrap them with a utility function that temporarily sets stdout to a StringIO
, and returns the output as str
.
from ward.
Related Issues (20)
- Option to simplify stack trace logs HOT 3
- Inpossible to capture output when using https://testfixtures.readthedocs.io/en/latest/ package
- Testing warnings
- Defining variables and tests within a loop, with the var used inside, assigns inconsistent values HOT 3
- Running tests with Python 3.11.0 yields ValueError during rewrite_assertion HOT 4
- Borders on output hide debug info
- [Feature request] Support Curio, trio or other async libraries HOT 1
- Request: relax upper bounds on dependency: rich HOT 3
- capture_output is not working
- AssertionError being raised instead of showing "Difference (LHS vs RHS)" HOT 2
- Argument(s) {'results', 'exit_code'} are declared in the hookimpl but can not be found in the hookspec
- Can't see what the difference is in Ward diff
- No module named 'pytest' HOT 2
- AttributeError: 'FileFinder' object has no attribute 'find_module' when running on python 3.12 HOT 1
- Python 3.12 Compatibility
- Call test from other module
- Integration with VSCode?
- Pyright detected issues
- Update dependencies
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