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import os.path
import shutil
import stat
import random
import pytest
import git
import numpy as np
from modsimdata import initialize_git_repo, ProjectRepo
@pytest.fixture(scope="module")
def path_to_repo():
# a "fixture" serves up shared, ready variables to test functions that should use the fixture as a kwarg
return "test_repo"
# @pytest.fixture(scope="module", autouse=True)
# def my_fixture(path_to_repo):
# print('INITIALIZATION')
# if os.path.exists(path_to_repo):
# remove_dir(path_to_repo)
# yield "this is just here because something must yield"
# print("TEAR DOWN")
# remove_dir(path_to_repo)
def remove_dir(path_to_dir):
def remove_readonly(func, path, exc_info):
"Clear the readonly bit and reattempt the removal"
# ERROR_ACCESS_DENIED = 5
if func not in (os.unlink, os.rmdir) or exc_info[1].winerror != 5:
raise exc_info[1]
os.chmod(path, stat.S_IWRITE)
func(path)
shutil.rmtree(path_to_dir, onerror=remove_readonly)
def modify_code(path_to_repo):
# Add changes to the project code
random_number = random.randint(0, 265)
filepath = os.path.join(path_to_repo, f"print_random_number.py")
with open(filepath, "w") as file:
file.write(f"print({random_number})\n")
def count_commit_number(repo):
commit_log = repo.git.log("--oneline").split("\n")
current_commit_number = len(commit_log)
return current_commit_number
def example_generate_results_array(path_to_repo, output_folder):
results_array = np.random.random((500, 3))
np.savetxt(os.path.join(path_to_repo, output_folder, "result.csv"),
results_array,
delimiter=",")
return results_array
def try_initialize_git_repo(path_to_repo):
def try_init_gitpython_repo(repo_path):
os.path.exists(repo_path)
git.Repo(repo_path)
return True
if os.path.exists(path_to_repo):
remove_dir(path_to_repo)
initialize_git_repo(path_to_repo=path_to_repo)
assert try_init_gitpython_repo(path_to_repo)
assert try_init_gitpython_repo(os.path.join(path_to_repo, "output"))
def try_commit_code(path_to_repo):
repo = ProjectRepo(path_to_repo)
current_commit_number = count_commit_number(repo)
modify_code(path_to_repo)
repo.commit("add code to print random number", update_packages=False)
updated_commit_number = count_commit_number(repo)
assert current_commit_number + 1 == updated_commit_number
def try_commit_code_without_code_changes(path_to_repo):
repo = ProjectRepo(path_to_repo)
current_commit_number = count_commit_number(repo)
repo.commit("This commit will not be made")
updated_commit_number = count_commit_number(repo)
assert current_commit_number == updated_commit_number
def try_commit_results_data(path_to_repo):
repo = ProjectRepo(path_to_repo)
current_commit_number = count_commit_number(repo.output_repo)
with repo.track_results(results_commit_message="Add array"):
example_generate_results_array(path_to_repo, output_folder=repo._output_folder)
updated_commit_number = count_commit_number(repo.output_repo)
assert current_commit_number + 1 == updated_commit_number
return str(repo.output_repo.active_branch)
def try_commit_results_with_uncommitted_code_changes(path_to_repo):
repo = ProjectRepo(path_to_repo)
modify_code(path_to_repo)
with pytest.raises(Exception):
with repo.track_results(results_commit_message="Add array"):
example_generate_results_array(path_to_repo, output_folder=repo._output_folder)
repo.commit("add code to print random number", update_packages=False)
def try_load_previous_result(path_to_repo, branch_name):
repo = ProjectRepo(path_to_repo)
with repo.track_results(results_commit_message="Load array and extend"):
cached_array_path = repo.cache_previous_results(branch_name=branch_name,
file_path="result.csv")
previous_array = np.loadtxt(cached_array_path, delimiter=",")
extended_array = np.concatenate([previous_array, previous_array])
extended_array_file_path = os.path.join(path_to_repo, repo._output_folder, "extended_result.csv")
np.savetxt(extended_array_file_path,
extended_array,
delimiter=",")
assert os.path.exists(cached_array_path)
assert os.path.exists(extended_array_file_path)
def test_cadet_rdm(path_to_repo):
# because these depend on one-another and there is no native support afaik for sequential tests
# these tests are called sequentially here as try_ functions.
try_initialize_git_repo(path_to_repo)
try_commit_code(path_to_repo)
try_commit_code_without_code_changes(path_to_repo)
results_branch_name = try_commit_results_data(path_to_repo)
try_commit_results_with_uncommitted_code_changes(path_to_repo)
try_load_previous_result(path_to_repo, results_branch_name)