feat: add in-memory job store

app/store.py

@@ -0,0 +1,18 @@
+from app.models import Job, JobStatus
+
+
+class JobStore:
+    def __init__(self) -> None:
+        self._jobs: dict[str, Job] = {}
+
+    def add(self, job: Job) -> None:
+        self._jobs[job.id] = job
+
+    def get(self, job_id: str) -> Job | None:
+        return self._jobs.get(job_id)
+
+    def list_all(self) -> list[Job]:
+        return list(self._jobs.values())
+
+    def list_by_status(self, status: JobStatus) -> list[Job]:
+        return [job for job in self._jobs.values() if job.status == status]

requirements.txt

@@ -1,3 +1,4 @@
 fastapi==0.123.0
 uvicorn[standard]==0.38.0
 pydantic==2.12.5
+pytest==8.3.0

tests/test_store.py

@@ -0,0 +1,56 @@
+import pytest
+
+from app.models import Job, JobStatus
+from app.store import JobStore
+
+
+def test_add_and_get_job():
+    store = JobStore()
+    job = Job(command="-i input.mp4 output.mp4")
+
+    store.add(job)
+    retrieved = store.get(job.id)
+
+    assert retrieved is not None
+    assert retrieved.id == job.id
+    assert retrieved.command == job.command
+
+
+def test_get_nonexistent_job():
+    store = JobStore()
+
+    result = store.get("nonexistent")
+
+    assert result is None
+
+
+def test_list_all_jobs():
+    store = JobStore()
+    job1 = Job(command="-i a.mp4 b.mp4")
+    job2 = Job(command="-i c.mp4 d.mp4")
+
+    store.add(job1)
+    store.add(job2)
+    jobs = store.list_all()
+
+    assert len(jobs) == 2
+    assert job1 in jobs
+    assert job2 in jobs
+
+
+def test_list_jobs_by_status():
+    store = JobStore()
+    job1 = Job(command="-i a.mp4 b.mp4")
+    job2 = Job(command="-i c.mp4 d.mp4")
+    job2.status = JobStatus.RUNNING
+
+    store.add(job1)
+    store.add(job2)
+
+    queued = store.list_by_status(JobStatus.QUEUED)
+    running = store.list_by_status(JobStatus.RUNNING)
+
+    assert len(queued) == 1
+    assert len(running) == 1
+    assert queued[0].id == job1.id
+    assert running[0].id == job2.id