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284 lines (237 loc) · 11.5 KB
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import io
import json
import pathlib
import unittest
from contextlib import redirect_stdout
from unittest import mock
import fine_dust
FIXTURES = pathlib.Path(__file__).with_name("fixtures")
def load_fixture(name):
return json.loads((FIXTURES / name).read_text(encoding="utf-8"))
class FineDustTests(unittest.TestCase):
def test_wgs84_coordinates_are_converted_to_air_korea_tm(self):
tm_x, tm_y = fine_dust.wgs84_to_air_korea_tm(37.5665, 126.9780)
self.assertAlmostEqual(tm_x, 198245.053, places=3)
self.assertAlmostEqual(tm_y, 451586.838, places=3)
def test_pick_station_prefers_nearest_station_for_coordinates(self):
stations = load_fixture("fine-dust-stations.json")
station = fine_dust.pick_station(
fine_dust.extract_items(stations),
lat=37.5665,
lon=126.9780,
)
self.assertEqual(station["stationName"], "중구")
def test_pick_station_prefers_specific_region_token_over_generic_city_token(self):
stations = load_fixture("fine-dust-stations.json")
station = fine_dust.pick_station(
fine_dust.extract_items(stations),
region_hint="서울 강남구",
)
self.assertEqual(station["stationName"], "강남구")
def test_pick_station_falls_back_to_region_hint_without_coordinates(self):
stations = load_fixture("fine-dust-stations.json")
station = fine_dust.pick_station(
fine_dust.extract_items(stations),
region_hint="강남",
)
self.assertEqual(station["stationName"], "강남구")
def test_build_report_combines_station_and_measurement_summary(self):
stations = load_fixture("fine-dust-stations.json")
measurements = load_fixture("fine-dust-measurements.json")
report = fine_dust.build_report(
station_items=fine_dust.extract_items(stations),
measurement_items=fine_dust.extract_items(measurements),
lat=37.5665,
lon=126.9780,
)
self.assertEqual(report["station_name"], "중구")
self.assertEqual(report["pm10"], {"value": "42", "grade": "보통"})
self.assertEqual(report["pm25"], {"value": "19", "grade": "보통"})
self.assertEqual(report["measured_at"], "2026-03-27 21:00")
def test_build_report_marks_khai_grade_unknown_when_api_omits_it(self):
report = fine_dust.build_report(
station_items=[{"stationName": "중구", "addr": "서울 중구 서소문로 124"}],
measurement_
8000
items=[
{
"stationName": "중구",
"dataTime": "2026-03-27 21:00",
"pm10Value": "42",
"pm10Grade": "2",
"pm25Value": "19",
"pm25Grade": "2",
"khaiGrade": None,
}
],
station_name="중구",
)
self.assertEqual(report["khai_grade"], "정보없음")
def test_cli_report_supports_fixture_inputs(self):
station_path = FIXTURES / "fine-dust-stations.json"
measurement_path = FIXTURES / "fine-dust-measurements.json"
stdout = io.StringIO()
with redirect_stdout(stdout):
fine_dust.main([
"report",
"--station-file",
str(station_path),
"--measurement-file",
str(measurement_path),
"--lat",
"37.5665",
"--lon",
"126.9780",
])
rendered = stdout.getvalue()
self.assertIn("측정소: 중구", rendered)
self.assertIn("PM10: 42 (보통)", rendered)
self.assertIn("PM2.5: 19 (보통)", rendered)
def test_live_station_lookup_converts_lat_lon_before_nearby_request(self):
args = fine_dust.parse_args(["report", "--lat", "37.5665", "--lon", "126.9780"])
recorded_calls = []
def fake_fetch_json(url, params):
recorded_calls.append((url, params))
return {"response": {"body": {"items": [{"stationName": "중구", "addr": "서울 중구 서소문로 124"}]}}}
with (
mock.patch.object(fine_dust, "get_required_secret", return_value="test-secret"),
mock.patch.object(fine_dust, "fetch_json", side_effect=fake_fetch_json),
):
payload = fine_dust.fetch_station_payload(args)
items = fine_dust.extract_items(payload)
self.assertEqual(items[0]["stationName"], "중구")
self.assertEqual(len(recorded_calls), 1)
request_url, request_params = recorded_calls[0]
self.assertTrue(request_url.endswith("/getNearbyMsrstnList"))
self.assertAlmostEqual(request_params["tmX"], 198245.053, places=3)
self.assertAlmostEqual(request_params["tmY"], 451586.838, places=3)
self.assertNotIn("dmX", request_params)
self.assertNotIn("dmY", request_params)
def test_live_station_lookup_falls_back_to_region_search_after_empty_nearby_result(self):
args = fine_dust.parse_args(["report", "--lat", "37.5665", "--lon", "126.9780", "--region-hint", "서울 강남구"])
recorded_calls = []
def fake_fetch_json(url, params):
recorded_calls.append((url, params))
if url.endswith("/getNearbyMsrstnList"):
return {"response": {"body": {"items": []}}}
if url.endswith("/getMsrstnList"):
return {"response": {"body": {"items": [{"stationName": "강남구", "addr": "서울 강남구 학동로 426"}]}}}
raise AssertionError(f"unexpected URL: {url}")
with (
mock.patch.object(fine_dust, "get_required_secret", return_value="test-secret"),
mock.patch.object(fine_dust, "fetch_json", side_effect=fake_fetch_json),
):
payload = fine_dust.fetch_station_payload(args)
items = fine_dust.extract_items(payload)
self.assertEqual(items[0]["stationName"], "강남구")
self.assertEqual([url.rsplit("/", 1)[-1] for url, _ in recorded_calls], ["getNearbyMsrstnList", "getMsrstnList"])
fallback_params = recorded_calls[1][1]
self.assertEqual(fallback_params["addr"], "서울 강남구")
def test_cli_json_report_marks_region_fallback_when_nearby_lookup_is_empty(self):
stdout = io.StringIO()
def fake_fetch_json(url, params):
if url.endswith("/getNearbyMsrstnList"):
return {"response": {"body": {"items": []}}}
if url.endswith("/getMsrstnList"):
return {"response": {"body": {"items": [{"stationName": "강남구", "addr": "서울 강남구 학동로 426"}]}}}
if url.endswith("/getMsrstnAcctoRltmMesureDnsty"):
return {
"response": {
"body": {
"items": [
{
"stationName": "강남구",
"dataTime": "2026-03-27 21:00",
"pm10Value": "42",
"pm10Grade": "2",
"pm25Value": "19",
"pm25Grade": "2",
"khaiGrade": "2",
}
]
}
}
}
raise AssertionError(f"unexpected URL: {url}")
with (
redirect_stdout(stdout),
mock.patch.dict(fine_dust.os.environ, {"KSKILL_PROXY_BASE_URL": "off"}, clear=False),
mock.patch.object(fine_dust, "get_required_secret",
8000
return_value="test-secret"),
mock.patch.object(fine_dust, "fetch_json", side_effect=fake_fetch_json),
):
fine_dust.main(
[
"report",
"--lat",
"37.5665",
"--lon",
"126.9780",
"--region-hint",
"서울 강남구",
"--json",
]
)
rendered = json.loads(stdout.getvalue())
self.assertEqual(rendered["station_name"], "강남구")
self.assertEqual(rendered["lookup_mode"], "fallback")
def test_cli_json_report_uses_station_name_directly_when_station_lookup_is_empty(self):
stdout = io.StringIO()
recorded_calls = []
def fake_fetch_json(url, params):
recorded_calls.append((url, params))
if url.endswith("/getMsrstnList"):
return {"response": {"body": {"items": []}}}
if url.endswith("/getMsrstnAcctoRltmMesureDnsty"):
return {
"response": {
"body": {
"items": [
{
"stationName": "중구",
"dataTime": "2026-03-27 21:00",
"pm10Value": "42",
"pm10Grade": "2",
"pm25Value": "19",
"pm25Grade": "2",
"khaiGrade": "2",
}
]
}
}
}
raise AssertionError(f"unexpected URL: {url}")
with (
redirect_stdout(stdout),
mock.patch.dict(fine_dust.os.environ, {"KSKILL_PROXY_BASE_URL": "off"}, clear=False),
mock.patch.object(fine_dust, "get_required_secret", return_value="test-secret"),
mock.patch.object(fine_dust, "fetch_json", side_effect=fake_fetch_json),
):
fine_dust.main(["report", "--station-name", "중구", "--json"])
rendered = json.loads(stdout.getvalue())
self.assertEqual(rendered["station_name"], "중구")
self.assertIsNone(rendered["station_address"])
self.assertEqual(rendered["lookup_mode"], "fallback")
self.assertEqual([url.rsplit("/", 1)[-1] for url, _ in recorded_calls], ["getMsrstnList", "getMsrstnAcctoRltmMesureDnsty"])
self.assertEqual(recorded_calls[1][1]["stationName"], "중구")
def test_cli_json_report_prefers_proxy_when_proxy_base_url_is_configured(self):
stdout = io.StringIO()
proxy_report = {
"station_name": "강남구",
"station_address": "서울 강남구 학동로 426",
"lookup_mode": "fallback",
"measured_at": "2026-03-27 21:00",
"pm10": {"value": "42", "grade": "보통"},
"pm25": {"value": "19", "grade": "보통"},
"khai_grade": "보통",
"proxy": {"name": "k-skill-proxy"},
}
with (
redirect_stdout(stdout),
mock.patch.dict(fine_dust.os.environ, {"KSKILL_PROXY_BASE_URL": "https://k-skill-proxy.nomadamas.org"}),
mock.patch.object(fine_dust, "fetch_proxy_report", return_value=proxy_report),
mock.patch.object(fine_dust, "fetch_station_lookup", side_effect=AssertionError("direct lookup should not run")),
):
fine_dust.main(["report", "--region-hint", "서울 강남구", "--json"])
rendered = json.loads(stdout.getvalue())
self.assertEqual(rendered["station_name"], "강남구")
self.assertEqual(rendered["proxy"]["name"], "k-skill-proxy")
if __name__ == "__main__":
unittest.main()