chore: import upstream snapshot with attribution

showcase/shared/python/tests/test_get_weather.py

@@ -0,0 +1,59 @@
+import pytest
+from tools import get_weather_impl
+
+
+def test_returns_all_required_fields():
+    result = get_weather_impl("Tokyo")
+    assert "city" in result
+    assert "temperature" in result
+    assert "humidity" in result
+    assert "wind_speed" in result
+    assert "feels_like" in result
+    assert "conditions" in result
+
+
+def test_city_name_passed_through():
+    result = get_weather_impl("San Francisco")
+    assert result["city"] == "San Francisco"
+
+
+def test_deterministic_for_same_city():
+    r1 = get_weather_impl("Tokyo")
+    r2 = get_weather_impl("Tokyo")
+    assert r1["temperature"] == r2["temperature"]
+    assert r1["conditions"] == r2["conditions"]
+
+
+def test_different_cities_produce_different_results():
+    r1 = get_weather_impl("Tokyo")
+    r2 = get_weather_impl("London")
+    # At least one field should differ (statistically guaranteed with seeded RNG)
+    assert r1 != r2
+
+
+def test_temperature_in_valid_range():
+    result = get_weather_impl("TestCity")
+    assert 20 <= result["temperature"] <= 95
+
+
+def test_humidity_in_valid_range():
+    result = get_weather_impl("TestCity")
+    assert 30 <= result["humidity"] <= 90
+
+
+def test_case_insensitivity():
+    r_lower = get_weather_impl("tokyo")
+    r_upper = get_weather_impl("TOKYO")
+    r_mixed = get_weather_impl("Tokyo")
+    assert r_lower["temperature"] == r_upper["temperature"] == r_mixed["temperature"]
+    assert r_lower["conditions"] == r_upper["conditions"] == r_mixed["conditions"]
+
+
+def test_feels_like_within_five_of_temperature():
+    result = get_weather_impl("TestCity")
+    assert abs(result["feels_like"] - result["temperature"]) <= 5
+
+
+def test_wind_speed_in_valid_range():
+    result = get_weather_impl("TestCity")
+    assert 2 <= result["wind_speed"] <= 30