87 lines
4.4 KiB
Python
87 lines
4.4 KiB
Python
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from __future__ import annotations
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import json
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import subprocess
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import unittest
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from hub_support import AMBIENCE, STREAMS
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SLOTS = [(0, 420, "Morgen"), (0, 539, "Morgen"), (0, 540, None), (1, 419, None), (5, 480, None), (5, 1380, "Nacht"), (6, 90, "Nacht"), (6, 120, None), (4, 1380, None), (6, 1380, None)]
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PROBE = """
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const A = require(process.argv[1]);
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const at = (text) => Date.parse(text);
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const pick = (body, keys) => Object.fromEntries(keys.map((key) => [key, body[key]]));
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const surfaces = [];
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for (const mode of ["light", "dark"]) {
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for (const surface of ["bg", "panel"]) {
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for (const sky of A.SKY.flatMap(([, top, bottom]) => [top, bottom])) {
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const behind = A.mix(A.hex(sky), A.hex(A.THEMES[mode][surface]), A.GLASS);
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surfaces.push({mode, surface, sky, text: A.contrast(A.hex(A.THEMES[mode].text), behind), muted: A.contrast(A.hex(A.THEMES[mode].muted), behind)});
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}
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}
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}
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const slots = JSON.parse(process.argv[3]).map(([day, minute]) => ({day, minute}));
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console.log(JSON.stringify({
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sun: pick(A.sun(at("1992-10-13T00:00:00Z"), 0, 0), ["ra", "dec", "eot"]),
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solstice: A.sun(at("2024-06-20T20:51:00Z"), 0, 0).dec,
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london: A.sun(at("2024-06-21T03:43:00Z"), 51.5074, -0.1278).alt,
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moon: pick(A.moon(at("1992-04-12T00:00:00Z"), 0, 0), ["ra", "dec", "lambda", "beta", "distance", "lit", "limb", "waxing"]),
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full: A.moon(at("2024-04-23T23:49:00Z"), 52.5, 13.4).lit,
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fresh: A.moon(at("2024-04-08T18:21:00Z"), 52.5, 13.4).lit,
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quarter: pick(A.moon(at("2024-04-15T19:13:00Z"), 52.5, 13.4), ["lit", "waxing"]),
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sidereal: [A.sidereal(at("1987-04-10T00:00:00Z")), A.sidereal(at("1987-04-10T19:21:00Z"))],
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stages: [-30, -15, -9, -3, 3, 20].map(A.stage),
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modes: [-10, 3.9, 4, 40].map(A.modeAt),
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black: A.contrast([0, 0, 0], [255, 255, 255]),
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surfaces,
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slot: A.slotOf(new Date(2024, 5, 21, 7, 30)),
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playing: slots.map((slot) => (A.activeStream(JSON.parse(process.argv[2]), slot) || {name: null}).name),
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}));
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"""
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class TestAmbience(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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command = ["node", "-e", PROBE, str(AMBIENCE), json.dumps(STREAMS), json.dumps([slot[:2] for slot in SLOTS])]
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done = subprocess.run(command, capture_output=True, text=True, timeout=60, check=True)
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cls.data = json.loads(done.stdout)
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def test_the_sun_matches_meeus_and_noaa_references(self):
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sun = self.data["sun"]
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self.assertAlmostEqual(sun["ra"], 198.38083, delta=0.01)
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self.assertAlmostEqual(sun["dec"], -7.78507, delta=0.01)
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self.assertAlmostEqual(sun["eot"], 13.71, delta=0.1)
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self.assertAlmostEqual(self.data["solstice"], 23.438, delta=0.01)
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self.assertAlmostEqual(self.data["london"], -0.833, delta=0.3)
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self.assertAlmostEqual(self.data["sidereal"][0], 197.693195, delta=0.001)
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self.assertAlmostEqual(self.data["sidereal"][1], 128.7378734, delta=0.001)
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def test_the_moon_matches_meeus_within_the_low_precision_series(self):
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moon = self.data["moon"]
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for key, expected, delta in (("lambda", 133.162655, 0.5), ("beta", -3.229126, 0.3), ("ra", 134.68847, 0.5), ("dec", 13.768368, 0.3), ("distance", 368409.7, 3000), ("lit", 0.6786, 0.01), ("limb", 285.0, 2.0)):
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with self.subTest(key=key):
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self.assertAlmostEqual(moon[key], expected, delta=delta)
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self.assertTrue(moon["waxing"])
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self.assertGreater(self.data["full"], 0.99)
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self.assertLess(self.data["fresh"], 0.01)
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self.assertAlmostEqual(self.data["quarter"]["lit"], 0.5, delta=0.03)
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self.assertTrue(self.data["quarter"]["waxing"])
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def test_sky_stages_modes_and_text_contrast_hold_in_every_sky(self):
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self.assertEqual(self.data["stages"], ["night", "astronomical", "nautical", "civil", "golden", "day"])
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self.assertEqual(self.data["modes"], ["dark", "dark", "light", "light"])
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self.assertAlmostEqual(self.data["black"], 21.0, places=6)
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self.assertEqual(len(self.data["surfaces"]), 88)
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for row in self.data["surfaces"]:
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with self.subTest(mode=row["mode"], surface=row["surface"], sky=row["sky"]):
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self.assertGreaterEqual(row["text"], 7.0)
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self.assertGreaterEqual(row["muted"], 4.5)
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def test_streams_play_on_their_weekdays_and_hours(self):
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self.assertEqual(self.data["slot"], {"day": 4, "minute": 450})
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self.assertEqual(self.data["playing"], [slot[2] for slot in SLOTS])
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if __name__ == "__main__":
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unittest.main()
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