Don't allow duplicate run ids to be active concurrently

src/anyvar/restapi/main.py

@@ -326,8 +326,17 @@ async def _annotate_vcf_async(
     allow_async_write: bool,
     assembly: str,
     run_id: str | None,
-) -> RunStatusResponse:
+) -> RunStatusResponse | ErrorResponse:
     """Annotate with VRS IDs asynchronously.  See `annotate_vcf()` for parameter definitions."""
+    # if run_id is provided, validate it does not already exist
+    if run_id:
+        existing_result = AsyncResult(id=run_id)
+        if existing_result.status != "PENDING":
+            response.status_code = status.HTTP_400_BAD_REQUEST
+            return ErrorResponse(
+                error=f"An existing run with id {run_id} is {existing_result.status}.  Fetch the completed run result before submitting with the same run_id."
+            )
+
     # write file to shared storage area with a directory for each day and a random file name
     async_work_dir = os.environ.get("ANYVAR_VCF_ASYNC_WORK_DIR", None)
     utc_now = datetime.datetime.now(tz=datetime.UTC)

tests/test_vcf.py

@@ -181,6 +181,44 @@ def test_vcf_registration_async(client, sample_vcf_grch38, mocker):
         shutil.rmtree("tests/tmp_async_work_dir")
 
 
+def test_vcf_submit_no_async(client, sample_vcf_grch38, mocker):
+    """Tests that a 400 is returned when async processing is not enabled"""
+    mocker.patch.dict(
+        os.environ, {"ANYVAR_VCF_ASYNC_WORK_DIR": "", "CELERY_BROKER_URL": ""}
+    )
+    resp = client.put(
+        "/vcf",
+        params={"assembly": "GRCh38", "run_id": "12345", "run_async": True},
+        files={"vcf": ("test.vcf", sample_vcf_grch38)},
+    )
+    assert resp.status_code == HTTPStatus.BAD_REQUEST
+    assert "error" in resp.json()
+    assert (
+        resp.json()["error"]
+        == "Required modules and/or configurations for asynchronous VCF annotation are missing"
+    )
+
+
+def test_vcf_submit_duplicate_run_id(client, sample_vcf_grch38, mocker):
+    """Tests the submit VCF endpoint when there is already a run for the specified run id"""
+    mocker.patch.dict(
+        os.environ, {"ANYVAR_VCF_ASYNC_WORK_DIR": "./", "CELERY_BROKER_URL": "redis://"}
+    )
+    mock_result = mocker.patch("anyvar.restapi.main.AsyncResult")
+    mock_result.return_value.status = "SENT"
+    resp = client.put(
+        "/vcf",
+        params={"assembly": "GRCh38", "run_id": "12345", "run_async": True},
+        files={"vcf": ("test.vcf", sample_vcf_grch38)},
+    )
+    assert resp.status_code == HTTPStatus.BAD_REQUEST
+    assert "error" in resp.json()
+    assert (
+        resp.json()["error"]
+        == "An existing run with id 12345 is SENT.  Fetch the completed run result before submitting with the same run_id."
+    )
+
+
 def test_vcf_get_result_no_async(client, mocker):
     """Tests that a 400 is returned when async processing is not enabled"""
     mocker.patch.dict(