oficina / meet Public

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1	import XCTest
2
3	@_spi(Fixtures) @testable import CallsKit
4
5	/// The warm rim (0.4.3, "T5, warm soft breath"): the four layers'
6	/// opacity and blur for a level, exactly the mock-up's box-shadow recipe;
7	/// its colours; when it is on; and Reduce Motion.
8	final class WarmRimTests: XCTestCase {
9	private func level(db: Float) -> Float { pow(10, db / 20) }
10
11	func testTheFourLayersFollowTheLevel() {
12	for lvl in stride(from: 0.0, through: 1, by: 0.05) {
13	let rim = WarmRim(on: true, level: lvl)
14	XCTAssertEqual(rim.rimOpacity, 0.10 + lvl * 0.45, accuracy: 1e-12, "rim at \(lvl)")
15	XCTAssertEqual(rim.topOpacity, 0, "T5 has no top highlight")
16	XCTAssertEqual(rim.innerOpacity, 0.06 + lvl * 0.30, accuracy: 1e-12, "inner at \(lvl)")
17	XCTAssertEqual(rim.innerBlur, 3 + lvl * 6, accuracy: 1e-12)
18	XCTAssertEqual(rim.outerOpacity, lvl * 0.25, accuracy: 1e-12, "outer at \(lvl)")
19	XCTAssertEqual(rim.outerBlur, 1 + lvl * 7, accuracy: 1e-12)
20	}
21	// The ends, spelled out.
22	let quiet = WarmRim(on: true, level: 0)
23	XCTAssertEqual(quiet.rimOpacity, 0.10, accuracy: 1e-12)
24	XCTAssertEqual(quiet.innerOpacity, 0.06, accuracy: 1e-12)
25	XCTAssertEqual(quiet.innerBlur, 3)
26	XCTAssertEqual(quiet.outerOpacity, 0, "no breath until the voice rises")
27	XCTAssertEqual(quiet.outerBlur, 1)
28	let loud = WarmRim(on: true, level: 1)
29	XCTAssertEqual(loud.rimOpacity, 0.55, accuracy: 1e-12)
30	XCTAssertEqual(loud.innerOpacity, 0.36, accuracy: 1e-12)
31	XCTAssertEqual(loud.innerBlur, 9)
32	XCTAssertEqual(loud.outerOpacity, 0.25, accuracy: 1e-12)
33	XCTAssertEqual(loud.outerBlur, 8)
34	XCTAssertEqual(WarmRim.rimWidth, 1)
35	}
36
37	func testOffIsNothingAtAnyLevel() {
38	for lvl in [0, 0.3, 1.0] {
39	let rim = WarmRim(on: false, level: lvl)
40	XCTAssertEqual(rim.rimOpacity, 0)
41	XCTAssertEqual(rim.innerOpacity, 0)
42	XCTAssertEqual(rim.outerOpacity, 0)
43	}
44	XCTAssertEqual(WarmRim.off, WarmRim(on: false, level: 0))
45	}
46
47	func testALevelOutOfRangeIsHeldToIt() {
48	XCTAssertEqual(WarmRim(on: true, level: 2), WarmRim(on: true, level: 1))
49	XCTAssertEqual(WarmRim(on: true, level: -1), WarmRim(on: true, level: 0))
50	XCTAssertEqual(WarmRim(on: true, level: .nan), WarmRim(on: true, level: 0))
51	}
52
53	func testTheColoursAreWarmWhite() {
54	// hsl(38°, 80 %, 82 / 72 / 66 %), as Chromium computes them.
55	func check(_ l: Double, _ r: Int, _ g: Int, _ b: Int) {
56	let c = WarmRim.rgb(hue: WarmRim.hue, saturation: WarmRim.saturation, lightness: l)
57	XCTAssertEqual(Int((c.red * 255).rounded()), r, "red at \(l)")
58	XCTAssertEqual(Int((c.green * 255).rounded()), g, "green at \(l)")
59	XCTAssertEqual(Int((c.blue * 255).rounded()), b, "blue at \(l)")
60	}
61	check(WarmRim.rimLightness, 246, 219, 172)
62	check(WarmRim.innerLightness, 241, 199, 126)
63	check(WarmRim.outerLightness, 238, 187, 99)
64	XCTAssertEqual(WarmRim.hue, 38)
65	XCTAssertEqual(WarmRim.saturation, 0.80)
66	}
67
68	func testSpeechTurnsItOnAndItFadesOut() {
69	var glow = SpeakingGlow()
70	XCTAssertEqual(glow.rim(at: 0), .off, "silence: nothing")
71	let loud = level(db: -12)
72	glow.update(level: loud, speaking: true, now: 0)
73	XCTAssertFalse(glow.on(at: 0), "not before the onset")
74	glow.update(level: loud, speaking: true, now: 0.2)
75	XCTAssertTrue(glow.on(at: 0.2))
76	// Lit, the level rises over the attack from nothing.
77	XCTAssertEqual(glow.rim(at: 0.2), WarmRim(on: true, level: 0))
78	XCTAssertEqual(glow.rim(at: 0.2 + SpeakingGlow.attack).level, 1 - exp(-1), accuracy: 1e-6)
79	XCTAssertEqual(glow.rim(at: 5).level, 1, accuracy: 1e-6)
80	// Silence: still on while the level falls over the release, and off
81	// once it is under `outBelow` — not at once.
82	glow.update(level: 0, speaking: false, now: 5)
83	XCTAssertFalse(glow.lit)
84	XCTAssertTrue(glow.on(at: 5 + SpeakingGlow.release), "fading")
85	let out = 5 + SpeakingGlow.release * log(1 / SpeakingGlow.outBelow)
86	XCTAssertTrue(glow.on(at: out - 0.01))
87	XCTAssertFalse(glow.on(at: out + 0.01))
88	let gone = glow.rim(at: out + 0.01)
89	XCTAssertFalse(gone.on)
90	XCTAssertEqual([gone.rimOpacity, gone.innerOpacity, gone.outerOpacity], [0, 0, 0], "nothing drawn")
91	XCTAssertLessThan(out, glow.settles, "and the view is still redrawing when it goes off")
92	}
93
94	func testReduceMotionIsASteadyRimAtPointSix() {
95	var glow = SpeakingGlow()
96	XCTAssertEqual(glow.rim(at: 0, reduceMotion: true), .off)
97	glow.update(level: level(db: -10), speaking: true, now: 0)
98	glow.update(level: level(db: -10), speaking: true, now: 0.2)
99	for (db, t) in [(-10, 0.3), (-35, 0.4), (-20, 0.5)] as [(Float, Double)] {
100	glow.update(level: level(db: db), speaking: true, now: t)
101	for dt in [0, 0.01, 0.1, 1.0] {
102	XCTAssertEqual(glow.rim(at: t + dt, reduceMotion: true), WarmRim(on: true, level: 0.6))
103	}
104	}
105	XCTAssertEqual(SpeakingGlow.steady, 0.6)
106	// Out at once, with no fade.
107	glow.update(level: 0, speaking: false, now: 1)
108	XCTAssertEqual(glow.rim(at: 1, reduceMotion: true), .off)
109	}
110
111	func testTheFixturesLevels() {
112	XCTAssertEqual(SpeakingGlow.fixture(level: level(db: FixtureSpeaking.silent.decibels)).rim(at: 0), .off)
113	let expected: [(FixtureSpeaking, Double)] = [(.low, 13.0 / 30), (.mid, 21.0 / 30), (.high, 1)]
114	for (fixture, lvl) in expected {
115	let rim = SpeakingGlow.fixture(level: level(db: fixture.decibels)).rim(at: 0)
116	XCTAssertTrue(rim.on, "\(fixture)")
117	XCTAssertEqual(rim.level, lvl, accuracy: 1e-5, "\(fixture)")
118	}
119	}
120	}
121