mirror of
https://github.com/Textualize/textual.git
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741 lines
16 KiB
Python
741 lines
16 KiB
Python
"""
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Test the easing functions by sampling the range [0, 1] uniformly in 21 points.
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Then, a TypeScript script was used to sample all the original functions,
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the data was collected, and is here tested against the Python implementation.
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"""
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import pytest
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from textual._easing import EASING
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POINTS = [
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0.0,
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0.05,
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0.1,
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0.15,
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|
0.2,
|
|
0.25,
|
|
0.3,
|
|
0.35,
|
|
0.4,
|
|
0.45,
|
|
0.5,
|
|
0.55,
|
|
0.6,
|
|
0.65,
|
|
0.7,
|
|
0.75,
|
|
0.8,
|
|
0.85,
|
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0.9,
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0.95,
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1.0,
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]
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DATA = {
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"none": [1] * len(POINTS),
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"round": [0] * POINTS.index(0.5) + [1] * (len(POINTS) - POINTS.index(0.5)),
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"linear": POINTS[::],
|
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"in_sine": [
|
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0,
|
|
0.003082666266872036,
|
|
0.01231165940486223,
|
|
0.027630079602323443,
|
|
0.04894348370484647,
|
|
0.07612046748871326,
|
|
0.1089934758116321,
|
|
0.1473598356459077,
|
|
0.19098300562505255,
|
|
0.23959403439996907,
|
|
0.2928932188134524,
|
|
0.35055195166981645,
|
|
0.41221474770752686,
|
|
0.4775014352840511,
|
|
0.5460095002604531,
|
|
0.6173165676349102,
|
|
0.6909830056250525,
|
|
0.7665546361440945,
|
|
0.843565534959769,
|
|
0.921540904272155,
|
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0.9999999999999999,
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],
|
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"out_sine": [
|
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0,
|
|
0.07845909572784494,
|
|
0.15643446504023087,
|
|
0.2334453638559054,
|
|
0.3090169943749474,
|
|
0.3826834323650898,
|
|
0.45399049973954675,
|
|
0.5224985647159488,
|
|
0.5877852522924731,
|
|
0.6494480483301837,
|
|
0.7071067811865475,
|
|
0.760405965600031,
|
|
0.8090169943749475,
|
|
0.8526401643540922,
|
|
0.8910065241883678,
|
|
0.9238795325112867,
|
|
0.9510565162951535,
|
|
0.9723699203976766,
|
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0.9876883405951378,
|
|
0.996917333733128,
|
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1,
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],
|
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"in_out_sine": [
|
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0,
|
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0.006155829702431115,
|
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0.024471741852423234,
|
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0.05449673790581605,
|
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0.09549150281252627,
|
|
0.1464466094067262,
|
|
0.20610737385376343,
|
|
0.27300475013022657,
|
|
0.3454915028125263,
|
|
0.4217827674798845,
|
|
0.49999999999999994,
|
|
0.5782172325201155,
|
|
0.6545084971874737,
|
|
0.7269952498697734,
|
|
0.7938926261462365,
|
|
0.8535533905932737,
|
|
0.9045084971874737,
|
|
0.9455032620941839,
|
|
0.9755282581475768,
|
|
0.9938441702975689,
|
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1,
|
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],
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"in_quad": [
|
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0,
|
|
0.0025000000000000005,
|
|
0.010000000000000002,
|
|
0.0225,
|
|
0.04000000000000001,
|
|
0.0625,
|
|
0.09,
|
|
0.12249999999999998,
|
|
0.16000000000000003,
|
|
0.2025,
|
|
0.25,
|
|
0.30250000000000005,
|
|
0.36,
|
|
0.42250000000000004,
|
|
0.48999999999999994,
|
|
0.5625,
|
|
0.6400000000000001,
|
|
0.7224999999999999,
|
|
0.81,
|
|
0.9025,
|
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1,
|
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],
|
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"out_quad": [
|
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0,
|
|
0.09750000000000003,
|
|
0.18999999999999995,
|
|
0.2775000000000001,
|
|
0.3599999999999999,
|
|
0.4375,
|
|
0.51,
|
|
0.5774999999999999,
|
|
0.64,
|
|
0.6975,
|
|
0.75,
|
|
0.7975000000000001,
|
|
0.84,
|
|
0.8775000000000001,
|
|
0.9099999999999999,
|
|
0.9375,
|
|
0.96,
|
|
0.9775,
|
|
0.99,
|
|
0.9974999999999999,
|
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1,
|
|
],
|
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"in_out_quad": [
|
|
0,
|
|
0.005000000000000001,
|
|
0.020000000000000004,
|
|
0.045,
|
|
0.08000000000000002,
|
|
0.125,
|
|
0.18,
|
|
0.24499999999999997,
|
|
0.32000000000000006,
|
|
0.405,
|
|
0.5,
|
|
0.5950000000000001,
|
|
0.6799999999999999,
|
|
0.755,
|
|
0.82,
|
|
0.875,
|
|
0.92,
|
|
0.955,
|
|
0.98,
|
|
0.995,
|
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1,
|
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],
|
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"in_cubic": [
|
|
0,
|
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0.00012500000000000003,
|
|
0.0010000000000000002,
|
|
0.003375,
|
|
0.008000000000000002,
|
|
0.015625,
|
|
0.027,
|
|
0.04287499999999999,
|
|
0.06400000000000002,
|
|
0.09112500000000001,
|
|
0.125,
|
|
0.16637500000000005,
|
|
0.216,
|
|
0.27462500000000006,
|
|
0.3429999999999999,
|
|
0.421875,
|
|
0.5120000000000001,
|
|
0.6141249999999999,
|
|
0.7290000000000001,
|
|
0.8573749999999999,
|
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1,
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],
|
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"out_cubic": [
|
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0,
|
|
0.1426250000000001,
|
|
0.2709999999999999,
|
|
0.3858750000000001,
|
|
0.4879999999999999,
|
|
0.578125,
|
|
0.657,
|
|
0.7253749999999999,
|
|
0.784,
|
|
0.833625,
|
|
0.875,
|
|
0.908875,
|
|
0.9359999999999999,
|
|
0.957125,
|
|
0.973,
|
|
0.984375,
|
|
0.992,
|
|
0.996625,
|
|
0.999,
|
|
0.999875,
|
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1,
|
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],
|
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"in_out_cubic": [
|
|
0,
|
|
0.0005000000000000001,
|
|
0.004000000000000001,
|
|
0.0135,
|
|
0.03200000000000001,
|
|
0.0625,
|
|
0.108,
|
|
0.17149999999999996,
|
|
0.25600000000000006,
|
|
0.36450000000000005,
|
|
0.5,
|
|
0.6355000000000002,
|
|
0.744,
|
|
0.8285,
|
|
0.8919999999999999,
|
|
0.9375,
|
|
0.968,
|
|
0.9865,
|
|
0.996,
|
|
0.9994999999999999,
|
|
1,
|
|
],
|
|
"in_quart": [
|
|
0,
|
|
0.000006250000000000002,
|
|
0.00010000000000000003,
|
|
0.00050625,
|
|
0.0016000000000000005,
|
|
0.00390625,
|
|
0.0081,
|
|
0.015006249999999995,
|
|
0.025600000000000008,
|
|
0.04100625000000001,
|
|
0.0625,
|
|
0.09150625000000004,
|
|
0.1296,
|
|
0.17850625000000006,
|
|
0.24009999999999992,
|
|
0.31640625,
|
|
0.40960000000000013,
|
|
0.5220062499999999,
|
|
0.6561000000000001,
|
|
0.8145062499999999,
|
|
1,
|
|
],
|
|
"out_quart": [
|
|
0,
|
|
0.18549375,
|
|
0.3438999999999999,
|
|
0.4779937500000001,
|
|
0.5903999999999998,
|
|
0.68359375,
|
|
0.7599,
|
|
0.8214937499999999,
|
|
0.8704000000000001,
|
|
0.90849375,
|
|
0.9375,
|
|
0.95899375,
|
|
0.9743999999999999,
|
|
0.98499375,
|
|
0.9919,
|
|
0.99609375,
|
|
0.9984,
|
|
0.99949375,
|
|
0.9999,
|
|
0.99999375,
|
|
1,
|
|
],
|
|
"in_out_quart": [
|
|
0,
|
|
0.000050000000000000016,
|
|
0.0008000000000000003,
|
|
0.00405,
|
|
0.012800000000000004,
|
|
0.03125,
|
|
0.0648,
|
|
0.12004999999999996,
|
|
0.20480000000000007,
|
|
0.32805000000000006,
|
|
0.5,
|
|
0.6719500000000002,
|
|
0.7951999999999999,
|
|
0.87995,
|
|
0.9351999999999999,
|
|
0.96875,
|
|
0.9872,
|
|
0.99595,
|
|
0.9992,
|
|
0.99995,
|
|
1,
|
|
],
|
|
"in_quint": [
|
|
0,
|
|
3.1250000000000013e-7,
|
|
0.000010000000000000004,
|
|
0.0000759375,
|
|
0.00032000000000000013,
|
|
0.0009765625,
|
|
0.00243,
|
|
0.005252187499999998,
|
|
0.010240000000000004,
|
|
0.018452812500000006,
|
|
0.03125,
|
|
0.050328437500000024,
|
|
0.07776,
|
|
0.11602906250000004,
|
|
0.16806999999999994,
|
|
0.2373046875,
|
|
0.32768000000000014,
|
|
0.4437053124999999,
|
|
0.5904900000000002,
|
|
0.7737809374999999,
|
|
1,
|
|
],
|
|
"out_quint": [
|
|
0,
|
|
0.2262190625,
|
|
0.4095099999999998,
|
|
0.5562946875000001,
|
|
0.6723199999999998,
|
|
0.7626953125,
|
|
0.8319300000000001,
|
|
0.8839709375,
|
|
0.92224,
|
|
0.9496715625,
|
|
0.96875,
|
|
0.9815471875,
|
|
0.98976,
|
|
0.9947478125,
|
|
0.99757,
|
|
0.9990234375,
|
|
0.99968,
|
|
0.9999240625,
|
|
0.99999,
|
|
0.9999996875,
|
|
1,
|
|
],
|
|
"in_out_quint": [
|
|
0,
|
|
0.000005000000000000002,
|
|
0.00016000000000000007,
|
|
0.001215,
|
|
0.005120000000000002,
|
|
0.015625,
|
|
0.03888,
|
|
0.08403499999999997,
|
|
0.16384000000000007,
|
|
0.2952450000000001,
|
|
0.5,
|
|
0.7047550000000002,
|
|
0.8361599999999999,
|
|
0.915965,
|
|
0.96112,
|
|
0.984375,
|
|
0.99488,
|
|
0.998785,
|
|
0.99984,
|
|
0.999995,
|
|
1,
|
|
],
|
|
"in_expo": [
|
|
0,
|
|
0.0013810679320049757,
|
|
0.001953125,
|
|
0.0027621358640099515,
|
|
0.00390625,
|
|
0.005524271728019903,
|
|
0.0078125,
|
|
0.011048543456039806,
|
|
0.015625,
|
|
0.02209708691207961,
|
|
0.03125,
|
|
0.04419417382415922,
|
|
0.0625,
|
|
0.08838834764831845,
|
|
0.125,
|
|
0.1767766952966369,
|
|
0.25,
|
|
0.3535533905932738,
|
|
0.5,
|
|
0.7071067811865476,
|
|
1,
|
|
],
|
|
"out_expo": [
|
|
0,
|
|
0.2928932188134524,
|
|
0.5,
|
|
0.6464466094067263,
|
|
0.75,
|
|
0.8232233047033631,
|
|
0.875,
|
|
0.9116116523516815,
|
|
0.9375,
|
|
0.9558058261758408,
|
|
0.96875,
|
|
0.9779029130879204,
|
|
0.984375,
|
|
0.9889514565439602,
|
|
0.9921875,
|
|
0.99447572827198,
|
|
0.99609375,
|
|
0.99723786413599,
|
|
0.998046875,
|
|
0.998618932067995,
|
|
1,
|
|
],
|
|
"in_out_expo": [
|
|
0,
|
|
0.0009765625,
|
|
0.001953125,
|
|
0.00390625,
|
|
0.0078125,
|
|
0.015625,
|
|
0.03125,
|
|
0.0625,
|
|
0.125,
|
|
0.25,
|
|
0.5,
|
|
0.75,
|
|
0.875,
|
|
0.9375,
|
|
0.96875,
|
|
0.984375,
|
|
0.9921875,
|
|
0.99609375,
|
|
0.998046875,
|
|
0.9990234375,
|
|
1,
|
|
],
|
|
"in_circ": [
|
|
0,
|
|
0.0012507822280910519,
|
|
0.005012562893380035,
|
|
0.011314003335740508,
|
|
0.020204102886728803,
|
|
0.031754163448145745,
|
|
0.04606079858305434,
|
|
0.06325030024024025,
|
|
0.08348486100883201,
|
|
0.10697144502541245,
|
|
0.1339745962155614,
|
|
0.16483534557549673,
|
|
0.19999999999999996,
|
|
0.24006579232146685,
|
|
0.285857157145715,
|
|
0.3385621722338523,
|
|
0.40000000000000013,
|
|
0.473217312357363,
|
|
0.5641101056459328,
|
|
0.6877501000800801,
|
|
1,
|
|
],
|
|
"out_circ": [
|
|
0,
|
|
0.31224989991991997,
|
|
0.4358898943540673,
|
|
0.526782687642637,
|
|
0.5999999999999999,
|
|
0.6614378277661477,
|
|
0.714142842854285,
|
|
0.7599342076785331,
|
|
0.8,
|
|
0.8351646544245033,
|
|
0.8660254037844386,
|
|
0.8930285549745877,
|
|
0.916515138991168,
|
|
0.9367496997597597,
|
|
0.9539392014169457,
|
|
0.9682458365518543,
|
|
0.9797958971132712,
|
|
0.9886859966642595,
|
|
0.99498743710662,
|
|
0.998749217771909,
|
|
1,
|
|
],
|
|
"in_out_circ": [
|
|
0,
|
|
0.0025062814466900174,
|
|
0.010102051443364402,
|
|
0.02303039929152717,
|
|
0.041742430504416006,
|
|
0.0669872981077807,
|
|
0.09999999999999998,
|
|
0.1429285785728575,
|
|
0.20000000000000007,
|
|
0.2820550528229664,
|
|
0.5,
|
|
0.7179449471770338,
|
|
0.7999999999999999,
|
|
0.8570714214271424,
|
|
0.8999999999999999,
|
|
0.9330127018922193,
|
|
0.958257569495584,
|
|
0.9769696007084728,
|
|
0.9898979485566356,
|
|
0.9974937185533099,
|
|
1,
|
|
],
|
|
"in_back": [
|
|
0,
|
|
-0.003916252500000001,
|
|
-0.014314220000000004,
|
|
-0.029167717499999996,
|
|
-0.046450560000000016,
|
|
-0.06413656250000001,
|
|
-0.08019953999999999,
|
|
-0.09261330750000002,
|
|
-0.09935168000000005,
|
|
-0.09838847249999999,
|
|
-0.08769750000000004,
|
|
-0.06525257750000002,
|
|
-0.029027519999999973,
|
|
0.023003857500000002,
|
|
0.09286773999999975,
|
|
0.18259031249999969,
|
|
0.29419775999999986,
|
|
0.4297162674999999,
|
|
0.5911720200000001,
|
|
0.7805912024999997,
|
|
0.9999999999999998,
|
|
],
|
|
"out_back": [
|
|
2.220446049250313e-16,
|
|
0.21940879750000053,
|
|
0.40882797999999987,
|
|
0.5702837325000001,
|
|
0.7058022400000001,
|
|
0.8174096875000002,
|
|
0.9071322600000001,
|
|
0.9769961425,
|
|
1.02902752,
|
|
1.0652525775,
|
|
1.0876975,
|
|
1.0983884725,
|
|
1.09935168,
|
|
1.0926133075,
|
|
1.08019954,
|
|
1.0641365625,
|
|
1.04645056,
|
|
1.0291677175,
|
|
1.01431422,
|
|
1.0039162525,
|
|
1,
|
|
],
|
|
"in_out_back": [
|
|
-0,
|
|
-0.011177092750000001,
|
|
-0.037518552000000004,
|
|
-0.06823964924999999,
|
|
-0.092555656,
|
|
-0.09968184375,
|
|
-0.07883348399999998,
|
|
-0.019225848250000063,
|
|
0.0899257920000001,
|
|
0.25940616525,
|
|
0.5,
|
|
0.7405938347500003,
|
|
0.9100742079999999,
|
|
1.01922584825,
|
|
1.078833484,
|
|
1.09968184375,
|
|
1.092555656,
|
|
1.06823964925,
|
|
1.0375185519999999,
|
|
1.0111770927500001,
|
|
1,
|
|
],
|
|
"in_elastic": [
|
|
0,
|
|
0.0006905339660024924,
|
|
0.001953125,
|
|
0.0013810679320049725,
|
|
-0.0019531250000000126,
|
|
-0.005524271728019903,
|
|
-0.0039062499999999918,
|
|
0.00552427172801992,
|
|
0.015625,
|
|
0.011048543456039785,
|
|
-0.015625000000000045,
|
|
-0.04419417382415922,
|
|
-0.031249999999999948,
|
|
0.04419417382415934,
|
|
0.125,
|
|
0.08838834764831832,
|
|
-0.1250000000000001,
|
|
-0.3535533905932738,
|
|
-0.24999999999999986,
|
|
0.353553390593274,
|
|
1,
|
|
],
|
|
"out_elastic": [
|
|
0,
|
|
0.6464466094067263,
|
|
1.25,
|
|
1.3535533905932737,
|
|
1.125,
|
|
0.9116116523516816,
|
|
0.875,
|
|
0.9558058261758408,
|
|
1.03125,
|
|
1.0441941738241591,
|
|
1.015625,
|
|
0.9889514565439602,
|
|
0.984375,
|
|
0.99447572827198,
|
|
1.00390625,
|
|
1.00552427172802,
|
|
1.001953125,
|
|
0.998618932067995,
|
|
0.998046875,
|
|
0.9993094660339975,
|
|
1,
|
|
],
|
|
"in_out_elastic": [
|
|
0,
|
|
0.0009765625,
|
|
0.000339156597005722,
|
|
-0.0036706742999449557,
|
|
-0.0039062499999999935,
|
|
0.011969444423734044,
|
|
0.023938888847468056,
|
|
-0.03125000000000003,
|
|
-0.11746157759823853,
|
|
0.04341204441673268,
|
|
0.5,
|
|
0.9565879555832674,
|
|
1.1174615775982386,
|
|
1.03125,
|
|
0.9760611111525319,
|
|
0.988030555576266,
|
|
1.00390625,
|
|
1.003670674299945,
|
|
0.9996608434029943,
|
|
0.9990234375,
|
|
1,
|
|
],
|
|
"in_bounce": [
|
|
0,
|
|
0.015468750000000031,
|
|
0.01187500000000008,
|
|
0.05484375000000008,
|
|
0.06000000000000005,
|
|
0.02734375,
|
|
0.06937499999999996,
|
|
0.1673437499999999,
|
|
0.22750000000000004,
|
|
0.24984375000000003,
|
|
0.234375,
|
|
0.18109375000000005,
|
|
0.09000000000000019,
|
|
0.07359375000000024,
|
|
0.31937499999999985,
|
|
0.52734375,
|
|
0.6975000000000001,
|
|
0.82984375,
|
|
0.9243750000000001,
|
|
0.98109375,
|
|
1,
|
|
],
|
|
"out_bounce": [
|
|
0,
|
|
0.018906250000000003,
|
|
0.07562500000000001,
|
|
0.17015624999999998,
|
|
0.30250000000000005,
|
|
0.47265625,
|
|
0.6806249999999999,
|
|
0.9264062499999998,
|
|
0.9099999999999998,
|
|
0.81890625,
|
|
0.765625,
|
|
0.75015625,
|
|
0.7725,
|
|
0.8326562500000001,
|
|
0.930625,
|
|
0.97265625,
|
|
0.94,
|
|
0.9451562499999999,
|
|
0.9881249999999999,
|
|
0.98453125,
|
|
1,
|
|
],
|
|
"in_out_bounce": [
|
|
0,
|
|
0.00593750000000004,
|
|
0.030000000000000027,
|
|
0.03468749999999998,
|
|
0.11375000000000002,
|
|
0.1171875,
|
|
0.045000000000000095,
|
|
0.15968749999999993,
|
|
0.34875000000000006,
|
|
0.46218750000000003,
|
|
0.5,
|
|
0.5378125,
|
|
0.6512499999999999,
|
|
0.8403125,
|
|
0.9550000000000001,
|
|
0.8828125,
|
|
0.88625,
|
|
0.9653125,
|
|
0.97,
|
|
0.9940624999999998,
|
|
1,
|
|
],
|
|
}
|
|
|
|
|
|
def test_coverage():
|
|
assert set(DATA.keys()) == set(EASING.keys())
|
|
|
|
|
|
def test_easings():
|
|
for name, values in DATA.items():
|
|
func = EASING[name]
|
|
for point, value in zip(POINTS, values):
|
|
assert value == pytest.approx(func(point))
|