alihan/textual
1
0
Fork 0
mirror of https://github.com/Textualize/textual.git synced 2025-10-17 02:38:12 +03:00
Code Issues Packages Projects Releases Wiki Activity

Use type hints and add docstring to snap_compare

Browse Source
This commit is contained in:
Darren Burns
2022-09-20 15:29:42 +01:00
parent 5e1c47b990
commit 29da6badfd
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
tests/snapshot_tests/conftest.py
View File

@@ -15,6 +15,7 @@ from _pytest.terminal import TerminalReporter
from jinja2 import Template
from rich.console import Console
from rich.panel import Panel
from syrupy import SnapshotAssertion
from textual._doc import take_svg_screenshot
@@ -24,8 +25,13 @@ snapshot_pass = pytest.StashKey[bool]()
@pytest.fixture
def snap_compare(snapshot, request: FixtureRequest) -> Callable[[str], bool]:
def compare(app_path: str, snapshot) -> bool:
def snap_compare(snapshot: SnapshotAssertion, request: FixtureRequest) -> Callable[[str], bool]:
"""
This fixture returns a function which can be used to compare the output of a Textual
app with the output of the same app in the past. This is snapshot testing, and it
used to catch regressions in output.
"""
def compare(app_path: str, snapshot: SnapshotAssertion) -> bool:
node = request.node
actual_screenshot = take_svg_screenshot(app_path)
result = snapshot == actual_screenshot