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"""Integration tests for gemma API endpoints"""
import unittest
from dataclasses import dataclass
from typing import Callable
from unittest import mock
from gn3.app import create_app
@dataclass
class MockRedis:
"""Mock File object returned by request.files"""
redis: Callable
class GemmaAPITest(unittest.TestCase):
"""Test cases for the Gemma API"""
def setUp(self):
self.app = create_app().test_client()
@mock.patch("gn3.api.gemma.run_cmd")
def test_get_version(self, mock_run_cmd):
"""Test that the correct response is returned"""
mock_run_cmd.return_value = {"status": 0, "output": "v1.9"}
response = self.app.get("/gemma/version", follow_redirects=True)
self.assertEqual(response.get_json(),
{"status": 0, "output": "v1.9"})
self.assertEqual(response.status_code, 200)
@mock.patch("gn3.api.gemma.redis.Redis")
@mock.patch("gn3.api.gemma.queue_cmd")
@mock.patch("gn3.api.gemma.generate_gemma_computation_cmd")
def test_run_gemma(self, mock_gemma_computation_cmd,
mock_queue_cmd, mock_redis):
"""Test that gemma composes the command correctly"""
_redis_conn = MockRedis(redis=mock.MagicMock())
mock_redis.return_value = _redis_conn
mock_gemma_computation_cmd.side_effect = [
("gemma-wrapper --json -- "
"-g genofile.txt -p "
"test.txt -a genofile_snps.txt "
"-gk > /tmp/gn2/"
"bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt"),
("gemma-wrapper --json -- "
"-g genofile.txt -p "
"test.txt -a genofile_snps.txt "
"-gk > /tmp/gn2/"
"bxd_GWA_gUFhGu4rLG7k+CXLPk1OUg.txt")
]
mock_queue_cmd.return_value = "my-unique-id"
response = self.app.post("/gemma/k-gwa-computation", json={
"trait_filename": "BXD.txt",
"geno_filename": "BXD_geno",
"values": ["X", "N/A", "X"],
"dataset_groupname": "BXD",
"trait_name": "Height",
"email": "me@me.com",
"dataset_name": "BXD"
})
mock_queue_cmd.assert_has_calls(
[mock.call(conn=_redis_conn,
email="me@me.com",
cmd=("gemma-wrapper --json -- -g "
"genofile.txt -p test.txt "
"-a genofile_snps.txt -gk > "
"/tmp/gn2/bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt "
"&& gemma-wrapper --json -- -g "
"genofile.txt -p test.txt "
"-a genofile_snps.txt "
"-gk > "
"/tmp/gn2/"
"bxd_GWA_gUFhGu4rLG7k+CXLPk1OUg.txt"))]
)
# mock_pheno_txt_file.return_value = "/tmp/gn2/BXD_6OBEPW."
self.assertEqual(
response.get_json(),
{"unique_id": 'my-unique-id',
"status": "queued",
"output_file": "BXD_GWA_9lo8zwOOXbfB73EcyXxAYQ.txt"})
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