extendify / tests / Integration / InsightsTest.php

InsightsTest.php in Extendify 3.1.1, at tests/Integration/InsightsTest.php

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1	<?php
2
3	namespace Extendify\Tests\Integration;
4
5	use Extendify\Insights;
6	use WP_UnitTestCase;
7
8	class InsightsTest extends WP_UnitTestCase
9	{
10	public function test_setup_rolls_a_variant_for_an_active_test()
11	{
12	delete_option(Insights::ACTIVE_TESTS_OPTION);
13
14	Insights::setup(['AutoLaunch.ShowTitle']);
15
16	$tests = get_option(Insights::ACTIVE_TESTS_OPTION);
17	$this->assertArrayHasKey('AutoLaunch.ShowTitle', $tests);
18	$this->assertContains($tests['AutoLaunch.ShowTitle']['variant'], ['A', 'B']);
19	}
20
21	public function test_setup_rolls_each_active_test_independently_honoring_its_own_percentage()
22	{
23	// Alternate 0%/100% across the keys; each key's own percentage must
24	// drive its own roll, regardless of the others.
25	$active = [];
26	$expected = [];
27	foreach (Insights::AVAILABLE_TESTS as $i => $key) {
28	$percentage = $i % 2 === 0 ? 0 : 100;
29	$active[] = "{$key}:{$percentage}";
30	$expected[$key] = ['variant' => $percentage === 0 ? 'A' : 'B', 'percentage' => (float) $percentage];
31	}
32
33	delete_option(Insights::ACTIVE_TESTS_OPTION);
34	Insights::setup($active);
35
36	$tests = get_option(Insights::ACTIVE_TESTS_OPTION);
37	foreach ($expected as $key => $expect) {
38	$this->assertSame($expect['variant'], $tests[$key]['variant']);
39	$this->assertSame($expect['percentage'], $tests[$key]['percentage']);
40	}
41	}
42
43	public function test_setup_drops_inactive_tests()
44	{
45	update_option(Insights::ACTIVE_TESTS_OPTION, [
46	'AutoLaunch.ShowTitle' => ['variant' => 'B'],
47	]);
48
49	Insights::setup([]);
50
51	$tests = get_option(Insights::ACTIVE_TESTS_OPTION);
52	$this->assertArrayNotHasKey('AutoLaunch.ShowTitle', $tests);
53	}
54
55	public function test_setup_keeps_the_variant_stable_across_calls()
56	{
57	update_option(Insights::ACTIVE_TESTS_OPTION, [
58	'AutoLaunch.ShowTitle' => ['variant' => 'B'],
59	]);
60
61	Insights::setup(['AutoLaunch.ShowTitle']);
62	Insights::setup(['AutoLaunch.ShowTitle']);
63
64	$assignment = get_option(Insights::ACTIVE_TESTS_OPTION)['AutoLaunch.ShowTitle'];
65	$this->assertSame('B', $assignment['variant']);
66	}
67
68	public function test_setup_with_zero_percentage_always_rolls_a()
69	{
70	for ($i = 0; $i < 25; $i++) {
71	delete_option(Insights::ACTIVE_TESTS_OPTION);
72	Insights::setup(['AutoLaunch.ShowTitle:0']);
73	$variant = get_option(Insights::ACTIVE_TESTS_OPTION)['AutoLaunch.ShowTitle']['variant'];
74	$this->assertSame('A', $variant);
75	}
76	}
77
78	public function test_setup_with_full_percentage_always_rolls_b()
79	{
80	for ($i = 0; $i < 25; $i++) {
81	delete_option(Insights::ACTIVE_TESTS_OPTION);
82	Insights::setup(['AutoLaunch.ShowTitle:100']);
83	$variant = get_option(Insights::ACTIVE_TESTS_OPTION)['AutoLaunch.ShowTitle']['variant'];
84	$this->assertSame('B', $variant);
85	}
86	}
87
88	public function test_setup_stamps_assigned_at_and_keeps_it_stable()
89	{
90	delete_option(Insights::ACTIVE_TESTS_OPTION);
91
92	Insights::setup(['AutoLaunch.ShowTitle']);
93	$assignedAt = get_option(Insights::ACTIVE_TESTS_OPTION)['AutoLaunch.ShowTitle']['assignedAt'];
94	$this->assertMatchesRegularExpression('/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\+00:00$/', $assignedAt);
95
96	Insights::setup(['AutoLaunch.ShowTitle']);
97	$this->assertSame(
98	$assignedAt,
99	get_option(Insights::ACTIVE_TESTS_OPTION)['AutoLaunch.ShowTitle']['assignedAt']
100	);
101	}
102
103	public function test_setup_stores_the_active_percentage_on_the_assignment()
104	{
105	delete_option(Insights::ACTIVE_TESTS_OPTION);
106
107	Insights::setup(['AutoLaunch.ShowTitle:20']);
108
109	$assignment = get_option(Insights::ACTIVE_TESTS_OPTION)['AutoLaunch.ShowTitle'];
110	$this->assertSame(20.0, $assignment['percentage']);
111	}
112
113	public function test_setup_stores_a_fractional_percentage()
114	{
115	delete_option(Insights::ACTIVE_TESTS_OPTION);
116
117	Insights::setup(['AutoLaunch.ShowTitle:22.5']);
118
119	$assignment = get_option(Insights::ACTIVE_TESTS_OPTION)['AutoLaunch.ShowTitle'];
120	$this->assertSame(22.5, $assignment['percentage']);
121	}
122
123	public function test_setup_leaves_unknown_keys_untouched()
124	{
125	update_option(Insights::ACTIVE_TESTS_OPTION, ['SomeOther.Test' => 'A']);
126
127	Insights::setup(['AutoLaunch.ShowTitle']);
128
129	$tests = get_option(Insights::ACTIVE_TESTS_OPTION);
130	$this->assertSame('A', $tests['SomeOther.Test']);
131	}
132	}
133