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"""Contains tests for creating and initializing custom Julia projects."""
import unittest
import os
from tempfile import TemporaryDirectory
from .. import julia_helpers
class TestJuliaProject(unittest.TestCase):
"""Various tests for working with Julia projects."""
def test_custom_shared_env(self):
"""Test that we can use PySR in a custom shared env."""
with TemporaryDirectory() as tmpdir:
# Create a temp depot to store julia packages (and our custom env)
Main = julia_helpers.init_julia()
# Set up env:
if "JULIA_DEPOT_PATH" not in os.environ:
old_env = None
os.environ["JULIA_DEPOT_PATH"] = tmpdir
else:
old_env = os.environ["JULIA_DEPOT_PATH"]
os.environ[
"JULIA_DEPOT_PATH"
] = f"{tmpdir}:{os.environ['JULIA_DEPOT_PATH']}"
Main.eval(
f'pushfirst!(DEPOT_PATH, "{julia_helpers._escape_filename(tmpdir)}")'
)
test_env_name = "@pysr_test_env"
julia_helpers.install(julia_project=test_env_name)
Main = julia_helpers.init_julia(julia_project=test_env_name)
# Try to use env:
Main.eval("using SymbolicRegression")
Main.eval("using Pkg")
# Assert we actually loaded it:
cur_project_dir = Main.eval("splitdir(dirname(Base.active_project()))[1]")
potential_shared_project_dirs = Main.eval("Pkg.envdir(DEPOT_PATH[1])")
self.assertEqual(cur_project_dir, potential_shared_project_dirs)
# Clean up:
Main.eval("pop!(DEPOT_PATH)")
if old_env is None:
del os.environ["JULIA_DEPOT_PATH"]
else:
os.environ["JULIA_DEPOT_PATH"] = old_env
def runtests():
"""Run all tests in test_env.py."""
loader = unittest.TestLoader()
suite = unittest.TestSuite()
suite.addTests(loader.loadTestsFromTestCase(TestJuliaProject))
runner = unittest.TextTestRunner()
return runner.run(suite)
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