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"""Contains tests for creating and initializing custom Julia projects"""

import unittest
from pysr import julia_helpers
from tempfile import TemporaryDirectory


class TestJuliaProject(unittest.TestCase):
    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()
            Main.eval(
                f'pushfirst!(DEPOT_PATH, "{julia_helpers._escape_filename(tmpdir.name)}")'
            )
            test_env_name = "@pysr_test_env"
            julia_helpers.install(julia_project=test_env_name)
            Main = julia_helpers.init_julia(julia_project=test_env_name)
            Main.eval("using SymbolicRegression")
            Main.eval("using Pkg")
            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)
            Main.eval("pop!(DEPOT_PATH)")