Refresh: Split refresh and test_random

task_autotest/refresh.py

 from copy import deepcopy
 from git import Repo
+import json
 from random import shuffle
 import os
 
@@ -7,17 +8,30 @@ import task_autotest.config as config
 from task_autotest.util import path_to_str
 from task_autotest.test import test_task_commit
 
-def refresh() -> None:
 repo = Repo(config.REPO_DIR)
-    repo.remotes.origin.pull()
 
-    tasks = deepcopy(config.TASKS)
-    shuffle(tasks)
+def refresh() -> dict[str, str]:
+    repo.remotes.origin.pull()
 
-    for branch, task in tasks:
+    task_commits = {}
+    for branch, task in config.TASKS:
         repo.git.checkout(branch)
-        commit_hash = repo.head.commit.hexsha
+        task_commits[task] = repo.head.commit.hexsha
+
+    return task_commits
+
+def test_random(task_commits: dict[str, str]):
+    task_commits = list(task_commits.items())
+    shuffle(task_commits)
+
+    for task, commit_hash in task_commits:
         if not os.path.exists(os.path.join(config.DATA_DIR, path_to_str(task), commit_hash)):
             return test_task_commit(task, commit_hash)
 
     return None
+
+def run():
+    with open(os.path.join(DATA_DIR, "task_commits")) as f:
+        json.dump(f, task_commits := refresh())
+
+    test_random(task_commits)