pyodide/test/test_package_loading.py

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import pytest
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def test_load_from_url(selenium_standalone, web_server):
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url, port = web_server
selenium_standalone.load_package(f"http://{url}:{port}/pyparsing.js")
assert "Invalid package name or URI" not in selenium_standalone.logs
selenium_standalone.run("from pyparsing import Word, alphas")
selenium_standalone.run("Word(alphas).parseString('hello')")
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selenium_standalone.load_package(f"http://{url}:{port}/numpy.js")
selenium_standalone.run("import numpy as np")
def test_uri_mismatch(selenium_standalone):
selenium_standalone.load_package('pyparsing')
selenium_standalone.load_package('http://some_url/pyparsing.js')
assert ("URI mismatch, attempting to load package pyparsing" in
selenium_standalone.logs)
assert "Invalid package name or URI" not in selenium_standalone.logs
def test_invalid_package_name(selenium):
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selenium.load_package('wrong name+$')
assert "Invalid package name or URI" in selenium.logs
selenium.clean_logs()
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selenium.load_package('tcp://some_url')
assert "Invalid package name or URI" in selenium.logs
@pytest.mark.parametrize('packages', [['pyparsing', 'pytz'],
['pyparsing', 'matplotlib']],
ids='-'.join)
def test_load_packages_multiple(selenium_standalone, packages):
selenium = selenium_standalone
selenium.load_package(packages)
selenium.run(f'import {packages[0]}')
selenium.run(f'import {packages[1]}')
# The log must show that each package is loaded exactly once,
# including when one package is a dependency of the other
# ('pyparsing' and 'matplotlib')
assert selenium.logs.count(f'Loading {packages[0]}') == 1
assert selenium.logs.count(f'Loading {packages[1]}') == 1
@pytest.mark.parametrize('packages', [['pyparsing', 'pytz'],
['pyparsing', 'matplotlib']],
ids='-'.join)
def test_load_packages_sequential(selenium_standalone, packages):
selenium = selenium_standalone
promises = ','.join(
'pyodide.loadPackage("{}")'.format(x) for x in packages
)
selenium.run_js(
'window.done = false\n' +
'Promise.all([{}])'.format(promises) +
'.finally(function() { window.done = true; })')
selenium.wait_until_packages_loaded()
selenium.run(f'import {packages[0]}')
selenium.run(f'import {packages[1]}')
# The log must show that each package is loaded exactly once,
# including when one package is a dependency of the other
# ('pyparsing' and 'matplotlib')
assert selenium.logs.count(f'Loading {packages[0]}') == 1
assert selenium.logs.count(f'Loading {packages[1]}') == 1