Innmind /
Immutable
| Total Complexity | 59 |
| Total Lines | 826 |
| Duplicated Lines | 0 % |
| Changes | 14 | ||
| Bugs | 0 | Features | 4 |
Complex classes like SequenceTest often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use SequenceTest, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 15 | class SequenceTest extends TestCase |
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| 16 | { |
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| 17 | public function testInterface() |
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| 18 | { |
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| 19 | $sequence = Sequence::of(); |
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| 20 | |||
| 21 | $this->assertInstanceOf(\Countable::class, $sequence); |
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| 22 | $this->assertSame([], $sequence->toList()); |
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| 23 | } |
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| 24 | |||
| 25 | public function testOf() |
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| 26 | { |
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| 27 | $this->assertTrue( |
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| 28 | Sequence::of(1, 2, 3)->equals( |
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|
Bug
introduced
by
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| 29 | Sequence::of() |
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| 30 | ->add(1) |
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| 31 | ->add(2) |
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| 32 | ->add(3), |
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| 33 | ), |
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| 34 | ); |
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| 35 | } |
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| 36 | |||
| 37 | public function testDefer() |
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| 38 | { |
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| 39 | $loaded = false; |
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| 40 | $sequence = Sequence::defer((static function() use (&$loaded) { |
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| 41 | yield 1; |
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| 42 | yield 2; |
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| 43 | yield 3; |
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| 44 | $loaded = true; |
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| 45 | })()); |
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| 46 | |||
| 47 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 48 | $this->assertFalse($loaded); |
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| 49 | $this->assertSame([1, 2, 3], $sequence->toList()); |
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| 50 | $this->assertTrue($loaded); |
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| 51 | } |
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| 52 | |||
| 53 | public function testLazy() |
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| 54 | { |
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| 55 | $loaded = false; |
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| 56 | $sequence = Sequence::lazy(static function() use (&$loaded) { |
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| 57 | yield 1; |
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| 58 | yield 2; |
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| 59 | yield 3; |
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| 60 | $loaded = true; |
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| 61 | }); |
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| 62 | |||
| 63 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 64 | $this->assertFalse($loaded); |
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| 65 | $this->assertSame([1, 2, 3], $sequence->toList()); |
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| 66 | $this->assertTrue($loaded); |
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| 67 | } |
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| 68 | |||
| 69 | public function testMixed() |
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| 70 | { |
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| 71 | $sequence = Sequence::mixed(1, '2', 3); |
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| 72 | |||
| 73 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 74 | $this->assertSame([1, '2', 3], $sequence->toList()); |
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| 75 | } |
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| 76 | |||
| 77 | public function testInts() |
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| 78 | { |
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| 79 | $sequence = Sequence::ints(1, 2, 3); |
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| 80 | |||
| 81 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 82 | $this->assertSame([1, 2, 3], $sequence->toList()); |
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| 83 | } |
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| 84 | |||
| 85 | public function testFloats() |
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| 86 | { |
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| 87 | $sequence = Sequence::floats(1, 2, 3.2); |
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| 88 | |||
| 89 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 90 | $this->assertSame([1.0, 2.0, 3.2], $sequence->toList()); |
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| 91 | } |
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| 92 | |||
| 93 | public function testStrings() |
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| 94 | { |
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| 95 | $sequence = Sequence::strings('1', '2', '3'); |
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| 96 | |||
| 97 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 98 | $this->assertSame(['1', '2', '3'], $sequence->toList()); |
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| 99 | } |
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| 100 | |||
| 101 | public function testObjects() |
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| 102 | { |
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| 103 | $a = new \stdClass; |
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| 104 | $b = new \stdClass; |
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| 105 | $c = new \stdClass; |
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| 106 | $sequence = Sequence::objects($a, $b, $c); |
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| 107 | |||
| 108 | $this->assertInstanceOf(Sequence::class, $sequence); |
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| 109 | $this->assertSame([$a, $b, $c], $sequence->toList()); |
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| 110 | } |
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| 111 | |||
| 112 | public function testSize() |
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| 113 | { |
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| 114 | $this->assertSame( |
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| 115 | 2, |
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| 116 | Sequence::of() |
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| 117 | ->add(1) |
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| 118 | ->add(2) |
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| 119 | ->size(), |
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| 120 | ); |
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| 121 | } |
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| 122 | |||
| 123 | public function testCount() |
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| 124 | { |
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| 125 | $this->assertCount( |
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| 126 | 2, |
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| 127 | Sequence::of() |
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| 128 | ->add(1) |
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| 129 | ->add(2), |
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| 130 | ); |
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| 131 | } |
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| 132 | |||
| 133 | public function testGet() |
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| 134 | { |
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| 135 | $this->assertSame( |
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| 136 | 1, |
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| 137 | $this->get(Sequence::of()->add(1), 0), |
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| 138 | ); |
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| 139 | } |
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| 140 | |||
| 141 | public function testReturnNothingWhenGettingUnknownIndex() |
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| 142 | { |
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| 143 | $this->assertNull($this->get(Sequence::of(), 0)); |
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| 144 | } |
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| 145 | |||
| 146 | public function testDiff() |
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| 147 | { |
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| 148 | $a = Sequence::of() |
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| 149 | ->add(1) |
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| 150 | ->add(2) |
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| 151 | ->add(3); |
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| 152 | $b = Sequence::of() |
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| 153 | ->add(3) |
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| 154 | ->add(4) |
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| 155 | ->add(5); |
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| 156 | $c = $a->diff($b); |
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| 157 | |||
| 158 | $this->assertInstanceOf(Sequence::class, $c); |
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| 159 | $this->assertNotSame($c, $a); |
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| 160 | $this->assertNotSame($c, $b); |
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| 161 | $this->assertSame([1, 2, 3], $a->toList()); |
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| 162 | $this->assertSame([3, 4, 5], $b->toList()); |
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| 163 | $this->assertSame([1, 2], $c->toList()); |
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| 164 | } |
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| 165 | |||
| 166 | public function testDistinct() |
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| 167 | { |
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| 168 | $a = Sequence::of() |
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| 169 | ->add(1) |
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| 170 | ->add(1) |
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| 171 | ->add(1); |
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| 172 | $b = $a->distinct(); |
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| 173 | |||
| 174 | $this->assertInstanceOf(Sequence::class, $b); |
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| 175 | $this->assertNotSame($a, $b); |
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| 176 | $this->assertSame([1, 1, 1], $a->toList()); |
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| 177 | $this->assertSame([1], $b->toList()); |
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| 178 | } |
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| 179 | |||
| 180 | public function testDrop() |
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| 181 | { |
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| 182 | $a = Sequence::of() |
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| 183 | ->add(1) |
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| 184 | ->add(3) |
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| 185 | ->add(5); |
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| 186 | $b = $a->drop(2); |
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| 187 | |||
| 188 | $this->assertInstanceOf(Sequence::class, $b); |
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| 189 | $this->assertNotSame($a, $b); |
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| 190 | $this->assertSame([1, 3, 5], $a->toList()); |
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| 191 | $this->assertSame([5], $b->toList()); |
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| 192 | } |
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| 193 | |||
| 194 | public function testDropEnd() |
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| 195 | { |
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| 196 | $a = Sequence::of() |
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| 197 | ->add(1) |
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| 198 | ->add(3) |
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| 199 | ->add(5); |
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| 200 | $b = $a->dropEnd(2); |
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| 201 | |||
| 202 | $this->assertInstanceOf(Sequence::class, $b); |
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| 203 | $this->assertNotSame($a, $b); |
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| 204 | $this->assertSame([1, 3, 5], $a->toList()); |
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| 205 | $this->assertSame([1], $b->toList()); |
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| 206 | } |
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| 207 | |||
| 208 | public function testEquals() |
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| 209 | { |
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| 210 | $a = Sequence::of() |
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| 211 | ->add(1) |
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| 212 | ->add(3) |
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| 213 | ->add(5); |
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| 214 | $b = Sequence::of() |
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| 215 | ->add(1) |
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| 216 | ->add(5); |
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| 217 | $c = Sequence::of() |
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| 218 | ->add(1) |
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| 219 | ->add(3) |
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| 220 | ->add(5); |
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| 221 | |||
| 222 | $this->assertTrue($a->equals($c)); |
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| 223 | $this->assertTrue($a->equals($a)); |
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| 224 | $this->assertFalse($a->equals($b)); |
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| 225 | } |
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| 226 | |||
| 227 | public function testFilter() |
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| 228 | { |
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| 229 | $a = Sequence::of() |
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| 230 | ->add(1) |
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| 231 | ->add(2) |
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| 232 | ->add(3) |
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| 233 | ->add(4); |
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| 234 | $b = $a->filter(static function(int $value): bool { |
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| 235 | return $value % 2 === 0; |
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| 236 | }); |
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| 237 | |||
| 238 | $this->assertInstanceOf(Sequence::class, $b); |
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| 239 | $this->assertNotSame($a, $b); |
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| 240 | $this->assertSame([1, 2, 3, 4], $a->toList()); |
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| 241 | $this->assertSame([2, 4], $b->toList()); |
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| 242 | } |
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| 243 | |||
| 244 | public function testForeach() |
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| 245 | { |
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| 246 | $sum = 0; |
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| 247 | $sequence = Sequence::of() |
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| 248 | ->add(1) |
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| 249 | ->add(2) |
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| 250 | ->add(3) |
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| 251 | ->add(4) |
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| 252 | ->foreach(static function(int $value) use (&$sum) { |
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| 253 | $sum += $value; |
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| 254 | }); |
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| 255 | |||
| 256 | $this->assertSame(10, $sum); |
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| 257 | } |
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| 258 | |||
| 259 | public function testGroupBy() |
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| 260 | { |
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| 261 | $sequence = Sequence::of() |
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| 262 | ->add(1) |
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| 263 | ->add(2) |
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| 264 | ->add(3) |
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| 265 | ->add(4); |
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| 266 | $map = $sequence->groupBy(static function(int $value): int { |
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| 267 | return $value % 3; |
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| 268 | }); |
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| 269 | |||
| 270 | $this->assertInstanceOf(Map::class, $map); |
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| 271 | $this->assertCount(3, $map); |
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| 272 | $this->assertSame([3], $this->get($map, 0)->toList()); |
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| 273 | $this->assertSame([1, 4], $this->get($map, 1)->toList()); |
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| 274 | $this->assertSame([2], $this->get($map, 2)->toList()); |
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| 275 | } |
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| 276 | |||
| 277 | public function testGroupEmptySequence() |
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| 278 | { |
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| 279 | $this->assertTrue( |
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| 280 | Sequence::of() |
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| 281 | ->groupBy(static function() {}) |
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| 282 | ->equals(Map::of()), |
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| 283 | ); |
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| 284 | } |
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| 285 | |||
| 286 | public function testFirst() |
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| 287 | { |
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| 288 | $sequence = Sequence::of() |
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| 289 | ->add(1) |
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| 290 | ->add(2) |
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| 291 | ->add(3) |
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| 292 | ->add(4); |
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| 293 | |||
| 294 | $this->assertSame( |
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| 295 | 1, |
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| 296 | $sequence->first()->match( |
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| 297 | static fn($value) => $value, |
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| 298 | static fn() => null, |
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| 299 | ), |
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| 300 | ); |
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| 301 | } |
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| 302 | |||
| 303 | public function testLast() |
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| 304 | { |
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| 305 | $sequence = Sequence::of() |
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| 306 | ->add(1) |
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| 307 | ->add(2) |
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| 308 | ->add(3) |
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| 309 | ->add(4); |
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| 310 | |||
| 311 | $this->assertSame( |
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| 312 | 4, |
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| 313 | $sequence->last()->match( |
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| 314 | static fn($value) => $value, |
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| 315 | static fn() => null, |
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| 316 | ), |
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| 317 | ); |
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| 318 | } |
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| 319 | |||
| 320 | public function testContains() |
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| 321 | { |
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| 322 | $sequence = Sequence::of() |
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| 323 | ->add(1) |
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| 324 | ->add(2) |
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| 325 | ->add(3) |
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| 326 | ->add(4); |
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| 327 | |||
| 328 | $this->assertTrue($sequence->contains(2)); |
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| 329 | $this->assertFalse($sequence->contains(5)); |
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| 330 | } |
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| 331 | |||
| 332 | public function testIndexOf() |
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| 333 | { |
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| 334 | $sequence = Sequence::of() |
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| 335 | ->add(1) |
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| 336 | ->add(2) |
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| 337 | ->add(3) |
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| 338 | ->add(4); |
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| 339 | |||
| 340 | $this->assertSame( |
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| 341 | 0, |
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| 342 | $sequence->indexOf(1)->match( |
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| 343 | static fn($value) => $value, |
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| 344 | static fn() => null, |
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| 345 | ), |
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| 346 | ); |
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| 347 | $this->assertSame( |
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| 348 | 3, |
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| 349 | $sequence->indexOf(4)->match( |
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| 350 | static fn($value) => $value, |
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| 351 | static fn() => null, |
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| 352 | ), |
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| 353 | ); |
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| 354 | } |
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| 355 | |||
| 356 | public function testIndices() |
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| 357 | { |
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| 358 | $sequence = Sequence::of() |
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| 359 | ->add(1) |
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| 360 | ->add(2) |
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| 361 | ->add(3) |
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| 362 | ->add(4); |
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| 363 | $indices = $sequence->indices(); |
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| 364 | |||
| 365 | $this->assertInstanceOf(Sequence::class, $indices); |
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| 366 | $this->assertSame([0, 1, 2, 3], $indices->toList()); |
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| 367 | } |
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| 368 | |||
| 369 | public function testEmptyIndices() |
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| 370 | { |
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| 371 | $sequence = Sequence::of(); |
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| 372 | $indices = $sequence->indices(); |
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| 373 | |||
| 374 | $this->assertInstanceOf(Sequence::class, $indices); |
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| 375 | $this->assertSame([], $indices->toList()); |
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| 376 | } |
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| 377 | |||
| 378 | public function testMap() |
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| 379 | { |
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| 380 | $a = Sequence::of() |
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| 381 | ->add(1) |
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| 382 | ->add(2) |
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| 383 | ->add(3) |
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| 384 | ->add(4); |
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| 385 | $b = $a->map(static function(int $value): int { |
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| 386 | return $value**2; |
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| 387 | }); |
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| 388 | |||
| 389 | $this->assertInstanceOf(Sequence::class, $b); |
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| 390 | $this->assertNotSame($a, $b); |
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| 391 | $this->assertSame([1, 2, 3, 4], $a->toList()); |
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| 392 | $this->assertSame([1, 4, 9, 16], $b->toList()); |
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| 393 | } |
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| 394 | |||
| 395 | public function testFlatMap() |
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| 396 | { |
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| 397 | $sequence = Sequence::of(1, 2, 3, 4); |
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| 398 | $sequence2 = $sequence->flatMap(static fn($i) => Sequence::of($i, $i)); |
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| 399 | |||
| 400 | $this->assertNotSame($sequence, $sequence2); |
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| 401 | $this->assertSame([1, 2, 3, 4], $sequence->toList()); |
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| 402 | $this->assertSame([1, 1, 2, 2, 3, 3, 4, 4], $sequence2->toList()); |
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| 403 | } |
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| 404 | |||
| 405 | public function testLazyFlatMap() |
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| 406 | { |
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| 407 | $loaded = false; |
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| 408 | $a = Sequence::lazy(static function() use (&$loaded) { |
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| 409 | yield 1; |
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| 410 | yield 2; |
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| 411 | yield 3; |
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| 412 | yield 4; |
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| 413 | $loaded = true; |
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| 414 | }); |
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| 415 | $b = $a->flatMap(static fn($i) => Sequence::of($i, $i*2)); |
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| 416 | |||
| 417 | $this->assertFalse($loaded); |
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| 418 | $this->assertSame([1, 2, 2, 4, 3, 6, 4, 8], $b->toList()); |
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| 419 | $this->assertTrue($loaded); |
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| 420 | $this->assertSame([1, 2, 3, 4], $a->toList()); |
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| 421 | } |
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| 422 | |||
| 423 | public function testDeferFlatMap() |
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| 424 | { |
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| 425 | $loaded = false; |
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| 426 | $a = Sequence::defer((static function() use (&$loaded) { |
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| 427 | yield 1; |
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| 428 | yield 2; |
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| 429 | yield 3; |
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| 430 | yield 4; |
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| 431 | $loaded = true; |
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| 432 | })()); |
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| 433 | $b = $a->flatMap(static fn($i) => Sequence::of($i, $i*2)); |
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| 434 | |||
| 435 | $this->assertFalse($loaded); |
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| 436 | $this->assertSame([1, 2, 2, 4, 3, 6, 4, 8], $b->toList()); |
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| 437 | $this->assertTrue($loaded); |
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| 438 | $this->assertSame([1, 2, 3, 4], $a->toList()); |
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| 439 | } |
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| 440 | |||
| 441 | public function testPad() |
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| 442 | { |
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| 443 | $a = Sequence::of() |
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| 444 | ->add(1) |
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| 445 | ->add(2); |
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| 446 | $b = $a->pad(4, 0); |
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| 447 | |||
| 448 | $this->assertInstanceOf(Sequence::class, $b); |
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| 449 | $this->assertNotSame($a, $b); |
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| 450 | $this->assertSame([1, 2], $a->toList()); |
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| 451 | $this->assertSame([1, 2, 0, 0], $b->toList()); |
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| 452 | } |
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| 453 | |||
| 454 | public function testPartition() |
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| 455 | { |
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| 456 | $map = Sequence::of() |
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| 457 | ->add(1) |
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| 458 | ->add(2) |
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| 459 | ->add(3) |
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| 460 | ->add(4) |
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| 461 | ->partition(static function(int $value): bool { |
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| 462 | return $value % 2 === 0; |
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| 463 | }); |
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| 464 | |||
| 465 | $this->assertInstanceOf(Map::class, $map); |
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| 466 | $this->assertSame([2, 4], $this->get($map, true)->toList()); |
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| 467 | $this->assertSame([1, 3], $this->get($map, false)->toList()); |
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| 468 | } |
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| 469 | |||
| 470 | public function testSlice() |
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| 471 | { |
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| 472 | $a = Sequence::of() |
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| 473 | ->add(1) |
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| 474 | ->add(2) |
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| 475 | ->add(3) |
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| 476 | ->add(4); |
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| 477 | $b = $a->slice(1, 3); |
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| 478 | |||
| 479 | $this->assertInstanceOf(Sequence::class, $b); |
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| 480 | $this->assertNotSame($a, $b); |
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| 481 | $this->assertSame([1, 2, 3, 4], $a->toList()); |
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| 482 | $this->assertSame([2, 3], $b->toList()); |
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| 483 | } |
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| 484 | |||
| 485 | public function testTake() |
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| 486 | { |
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| 487 | $a = Sequence::of() |
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| 488 | ->add(1) |
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| 489 | ->add(2) |
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| 490 | ->add(3) |
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| 491 | ->add(4); |
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| 492 | $b = $a->take(2); |
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| 493 | |||
| 494 | $this->assertInstanceOf(Sequence::class, $b); |
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| 495 | $this->assertNotSame($a, $b); |
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| 496 | $this->assertSame([1, 2, 3, 4], $a->toList()); |
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| 497 | $this->assertSame([1, 2], $b->toList()); |
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| 498 | } |
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| 499 | |||
| 500 | public function testTakeEnd() |
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| 501 | { |
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| 502 | $a = Sequence::of() |
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| 503 | ->add(1) |
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| 504 | ->add(2) |
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| 505 | ->add(3) |
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| 506 | ->add(4); |
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| 507 | $b = $a->takeEnd(2); |
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| 508 | |||
| 509 | $this->assertInstanceOf(Sequence::class, $b); |
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| 510 | $this->assertNotSame($a, $b); |
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| 511 | $this->assertSame([1, 2, 3, 4], $a->toList()); |
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| 512 | $this->assertSame([3, 4], $b->toList()); |
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| 513 | } |
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| 514 | |||
| 515 | public function testAppend() |
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| 516 | { |
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| 517 | $a = Sequence::of() |
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| 518 | ->add(1) |
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| 519 | ->add(2); |
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| 520 | $b = Sequence::of() |
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| 521 | ->add(3) |
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| 522 | ->add(4); |
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| 523 | $c = $b->append($a); |
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| 524 | |||
| 525 | $this->assertInstanceOf(Sequence::class, $c); |
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| 526 | $this->assertNotSame($c, $a); |
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| 527 | $this->assertNotSame($c, $b); |
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| 528 | $this->assertSame([1, 2], $a->toList()); |
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| 529 | $this->assertSame([3, 4], $b->toList()); |
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| 530 | $this->assertSame([3, 4, 1, 2], $c->toList()); |
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| 531 | } |
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| 532 | |||
| 533 | public function testIntersect() |
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| 534 | { |
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| 535 | $a = Sequence::of() |
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| 536 | ->add(1) |
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| 537 | ->add(2); |
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| 538 | $b = Sequence::of() |
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| 539 | ->add(2) |
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| 540 | ->add(3); |
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| 541 | $c = $b->intersect($a); |
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| 542 | |||
| 543 | $this->assertInstanceOf(Sequence::class, $c); |
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| 544 | $this->assertNotSame($c, $a); |
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| 545 | $this->assertNotSame($c, $b); |
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| 546 | $this->assertSame([1, 2], $a->toList()); |
||
| 547 | $this->assertSame([2, 3], $b->toList()); |
||
| 548 | $this->assertSame([2], $c->toList()); |
||
| 549 | } |
||
| 550 | |||
| 551 | public function testAdd() |
||
| 552 | { |
||
| 553 | $a = Sequence::of(); |
||
| 554 | $b = $a->add(1); |
||
| 555 | |||
| 556 | $this->assertInstanceOf(Sequence::class, $b); |
||
| 557 | $this->assertNotSame($a, $b); |
||
| 558 | $this->assertSame([], $a->toList()); |
||
| 559 | $this->assertSame([1], $b->toList()); |
||
| 560 | |||
| 561 | $this->assertSame( |
||
| 562 | [1, 2, 3], |
||
| 563 | Sequence::ints(1)(2)(3)->toList(), |
||
| 564 | ); |
||
| 565 | } |
||
| 566 | |||
| 567 | public function testSort() |
||
| 568 | { |
||
| 569 | $a = Sequence::of() |
||
| 570 | ->add(1) |
||
| 571 | ->add(2) |
||
| 572 | ->add(3) |
||
| 573 | ->add(3) |
||
| 574 | ->add(4); |
||
| 575 | $b = $a->sort(static function(int $a, int $b): int { |
||
| 576 | return ($b > $a) ? 1 : -1; |
||
| 577 | }); |
||
| 578 | |||
| 579 | $this->assertInstanceOf(Sequence::class, $b); |
||
| 580 | $this->assertNotSame($a, $b); |
||
| 581 | $this->assertSame([1, 2, 3, 3, 4], $a->toList()); |
||
| 582 | $this->assertSame([4, 3, 3, 2, 1], $b->toList()); |
||
| 583 | } |
||
| 584 | |||
| 585 | public function testReduce() |
||
| 586 | { |
||
| 587 | $value = Sequence::of() |
||
| 588 | ->add(1) |
||
| 589 | ->add(2) |
||
| 590 | ->add(3) |
||
| 591 | ->add(4) |
||
| 592 | ->reduce( |
||
| 593 | 0, |
||
| 594 | static function(int $carry, int $value): int { |
||
| 595 | return $carry + $value; |
||
| 596 | }, |
||
| 597 | ); |
||
| 598 | |||
| 599 | $this->assertSame(10, $value); |
||
| 600 | } |
||
| 601 | |||
| 602 | public function testClear() |
||
| 603 | { |
||
| 604 | $sequence = Sequence::of() |
||
| 605 | ->add(1) |
||
| 606 | ->add(2) |
||
| 607 | ->add(3); |
||
| 608 | $sequence2 = $sequence->clear(); |
||
| 609 | |||
| 610 | $this->assertNotSame($sequence, $sequence2); |
||
| 611 | $this->assertSame([1, 2, 3], $sequence->toList()); |
||
| 612 | $this->assertSame([], $sequence2->toList()); |
||
| 613 | } |
||
| 614 | |||
| 615 | public function testReverse() |
||
| 616 | { |
||
| 617 | $sequence = Sequence::of() |
||
| 618 | ->add(1) |
||
| 619 | ->add(3) |
||
| 620 | ->add(4) |
||
| 621 | ->add(2); |
||
| 622 | $reverse = $sequence->reverse(); |
||
| 623 | |||
| 624 | $this->assertInstanceOf(Sequence::class, $reverse); |
||
| 625 | $this->assertNotSame($sequence, $reverse); |
||
| 626 | $this->assertSame([1, 3, 4, 2], $sequence->toList()); |
||
| 627 | $this->assertSame([2, 4, 3, 1], $reverse->toList()); |
||
| 628 | } |
||
| 629 | |||
| 630 | public function testEmpty() |
||
| 631 | { |
||
| 632 | $this->assertTrue(Sequence::of()->empty()); |
||
| 633 | $this->assertFalse(Sequence::of(1)->empty()); |
||
| 634 | } |
||
| 635 | |||
| 636 | public function testToList() |
||
| 637 | { |
||
| 638 | $this->assertSame( |
||
| 639 | [1, 2, 3], |
||
| 640 | Sequence::ints(1, 2, 3)->toList(), |
||
| 641 | ); |
||
| 642 | } |
||
| 643 | |||
| 644 | public function testFind() |
||
| 645 | { |
||
| 646 | $sequence = Sequence::ints(1, 2, 3); |
||
| 647 | |||
| 648 | $this->assertSame( |
||
| 649 | 1, |
||
| 650 | $sequence->find(static fn($i) => $i === 1)->match( |
||
| 651 | static fn($i) => $i, |
||
| 652 | static fn() => null, |
||
| 653 | ), |
||
| 654 | ); |
||
| 655 | $this->assertSame( |
||
| 656 | 2, |
||
| 657 | $sequence->find(static fn($i) => $i === 2)->match( |
||
| 658 | static fn($i) => $i, |
||
| 659 | static fn() => null, |
||
| 660 | ), |
||
| 661 | ); |
||
| 662 | $this->assertSame( |
||
| 663 | 3, |
||
| 664 | $sequence->find(static fn($i) => $i === 3)->match( |
||
| 665 | static fn($i) => $i, |
||
| 666 | static fn() => null, |
||
| 667 | ), |
||
| 668 | ); |
||
| 669 | |||
| 670 | $this->assertNull( |
||
| 671 | $sequence->find(static fn($i) => $i === 0)->match( |
||
| 672 | static fn($i) => $i, |
||
| 673 | static fn() => null, |
||
| 674 | ), |
||
| 675 | ); |
||
| 676 | } |
||
| 677 | |||
| 678 | public function testMatches() |
||
| 679 | { |
||
| 680 | $sequence = Sequence::ints(1, 2, 3); |
||
| 681 | |||
| 682 | $this->assertTrue($sequence->matches(static fn($i) => $i % 1 === 0)); |
||
| 683 | $this->assertFalse($sequence->matches(static fn($i) => $i % 2 === 0)); |
||
| 684 | } |
||
| 685 | |||
| 686 | public function testAny() |
||
| 687 | { |
||
| 688 | $sequence = Sequence::ints(1, 2, 3); |
||
| 689 | |||
| 690 | $this->assertTrue($sequence->any(static fn($i) => $i === 2)); |
||
| 691 | $this->assertFalse($sequence->any(static fn($i) => $i === 0)); |
||
| 692 | } |
||
| 693 | |||
| 694 | public function testPossibilityToCleanupResourcesWhenGeneratorStoppedBeforeEnd() |
||
| 695 | { |
||
| 696 | $cleanupCalled = false; |
||
| 697 | $endReached = false; |
||
| 698 | $started = 0; |
||
| 699 | $sequence = Sequence::lazy(static function($registerCleanup) use (&$cleanupCalled, &$endReached, &$started) { |
||
| 700 | ++$started; |
||
| 701 | $file = \fopen(__FILE__, 'r'); |
||
| 702 | $registerCleanup(static function() use ($file, &$cleanupCalled) { |
||
| 703 | \fclose($file); |
||
| 704 | $cleanupCalled = true; |
||
| 705 | }); |
||
| 706 | |||
| 707 | while (!\feof($file)) { |
||
| 708 | $line = \fgets($file); |
||
| 709 | |||
| 710 | yield $line; |
||
| 711 | } |
||
| 712 | |||
| 713 | $endReached = true; |
||
| 714 | \fclose($file); |
||
| 715 | }); |
||
| 716 | |||
| 717 | $line = $sequence |
||
| 718 | ->map(static fn($line) => \trim($line)) |
||
| 719 | ->filter(static fn($line) => $line !== '') |
||
| 720 | ->find(static fn($line) => \substr($line, -2) === '()') |
||
| 721 | ->match( |
||
| 722 | static fn($line) => $line, |
||
| 723 | static fn() => null, |
||
| 724 | ); |
||
| 725 | |||
| 726 | $this->assertSame('public function testInterface()', $line); |
||
| 727 | $this->assertSame(1, $started); |
||
| 728 | $this->assertTrue($cleanupCalled); |
||
| 729 | $this->assertFalse($endReached); |
||
| 730 | } |
||
| 731 | |||
| 732 | public function testCleanupIsNotCalledWhenReachingTheEndOfTheGenerator() |
||
| 769 | } |
||
| 770 | |||
| 771 | public function testMatch() |
||
| 772 | { |
||
| 773 | $sequence = Sequence::of(1, 2, 3, 4); |
||
| 774 | [$head, $tail] = $sequence->match( |
||
| 775 | static fn($head, $tail) => [$head, $tail], |
||
| 776 | static fn() => [null, null], |
||
| 777 | ); |
||
| 778 | |||
| 779 | $this->assertSame(1, $head); |
||
| 780 | $this->assertTrue($tail->equals(Sequence::of(2, 3, 4))); |
||
| 781 | $this->assertSame([1, 2, 3, 4], $sequence->toList()); |
||
| 782 | } |
||
| 783 | |||
| 784 | public function testDeferredMatch() |
||
| 800 | } |
||
| 801 | |||
| 802 | public function testLazyMatch() |
||
| 803 | { |
||
| 804 | $started = 0; |
||
| 805 | $sequence = Sequence::lazy(static function() use (&$started) { |
||
| 806 | ++$started; |
||
| 807 | yield 1; |
||
| 808 | yield 2; |
||
| 809 | yield 3; |
||
| 810 | yield 4; |
||
| 821 | } |
||
| 822 | |||
| 823 | public function testFold() |
||
| 824 | { |
||
| 825 | $str = Sequence::of(Str::of('foo'), Str::of('bar'), Str::of('baz'))->fold(new Concat); |
||
| 826 | |||
| 827 | $this->assertInstanceOf(Str::class, $str); |
||
| 828 | $this->assertSame('foobarbaz', $str->toString()); |
||
| 829 | |||
| 830 | $str = Sequence::of(Str::of('baz'), Str::of('foo'), Str::of('bar'))->fold(new Concat); |
||
| 831 | |||
| 832 | $this->assertInstanceOf(Str::class, $str); |
||
| 833 | $this->assertSame('bazfoobar', $str->toString()); |
||
| 834 | } |
||
| 835 | |||
| 836 | public function get($map, $index) |
||
| 837 | { |
||
| 838 | return $map->get($index)->match( |
||
| 839 | static fn($value) => $value, |
||
| 840 | static fn() => null, |
||
| 841 | ); |
||
| 842 | } |
||
| 843 | } |
||
| 844 |
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