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from io import StringIO
import pytest
from briefcase.platforms.web.static import StaticWebBuildCommand
from ....utils import create_wheel
@pytest.fixture
def build_command(dummy_console, tmp_path):
return StaticWebBuildCommand(
console=dummy_console,
base_path=tmp_path / "base_path",
data_path=tmp_path / "briefcase",
)
def test_process_wheel(build_command, tmp_path):
"""A wheel can be processed to have CSS content extracted."""
# Create a wheel with some content.
wheel_filename = create_wheel(
tmp_path,
extra_content=[
# Two CSS files
(
"dummy/static/first.css",
"span {\n font-color: red;\n font-size: larger\n}\n",
),
("dummy/static/second.css", "div {\n padding: 10px\n}\n"),
("dummy/static/deep/third.css", "p {\n color: red\n}\n"),
# Content in the static file that isn't CSS
("dummy/static/explosions.js", "alert('boom!');"),
# CSS in a location that isn't the static folder.
("dummy/other.css", "div.other {\n margin: 10px\n}\n"),
("lost.css", "div.lost {\n margin: 10px\n}\n"),
],
)
# Create a dummy css file
css_file = StringIO()
build_command._process_wheel(wheel_filename, css_file=css_file)
assert (
css_file.getvalue()
== "\n".join(
[
"",
"/*******************************************************",
" * dummy 1.2.3::first.css",
" *******************************************************/",
"",
"span {",
" font-color: red;",
" font-size: larger",
"}",
"",
"/*******************************************************",
" * dummy 1.2.3::second.css",
" *******************************************************/",
"",
"div {",
" padding: 10px",
"}",
"",
"/*******************************************************",
" * dummy 1.2.3::deep/third.css",
" *******************************************************/",
"",
"p {",
" color: red",
"}",
]
)
+ "\n"
)
def test_process_wheel_no_content(build_command, tmp_path):
"""A wheel with no resources can be processed."""
# Create a wheel with some content, but nothing static to be collected
wheel_filename = create_wheel(
tmp_path,
extra_content=[
# Content in the static file that isn't CSS
("dummy/static/explosions.js", "alert('boom!');"),
# CSS in a location that isn't the static folder.
("dummy/other.css", "div.other {\n margin: 10px\n}\n"),
("lost.css", "div.lost {\n margin: 10px\n}\n"),
],
)
# Create a dummy css file
css_file = StringIO()
build_command._process_wheel(wheel_filename, css_file=css_file)
assert css_file.getvalue() == ""
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