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<?php |
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declare(strict_types = 1); |
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namespace Tests\Innmind\Immutable; |
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use Innmind\Immutable\{ |
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Map, |
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Pair, |
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Str, |
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Set, |
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Sequence, |
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}; |
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use PHPUnit\Framework\TestCase; |
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class MapTest extends TestCase |
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{ |
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public function testInterface() |
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{ |
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$m = Map::of(); |
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$this->assertInstanceOf(\Countable::class, $m); |
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} |
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public function testOf() |
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{ |
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$map = Map::of() |
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(1, 1.1) |
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(2, 2.1); |
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$this->assertTrue( |
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$map->equals( |
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Map::of() |
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->put(1, 1.1) |
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->put(2, 2.1), |
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), |
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); |
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} |
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public function testEmptyOf() |
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{ |
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$this->assertTrue(Map::of()->equals(Map::of())); |
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} |
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public function testPut() |
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{ |
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$m = Map::of(); |
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$this->assertSame(0, $m->size()); |
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$m2 = $m->put(42, 42); |
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$this->assertNotSame($m, $m2); |
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$this->assertSame(0, $m->size()); |
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$this->assertSame(1, $m2->size()); |
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$m = Map::of(); |
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$m = $m |
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->put(23, 24) |
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->put(41, 42) |
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->put(65, 66) |
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->put(89, 90) |
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->put(65, 1); |
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$this->assertSame(24, $this->get($m, 23)); |
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$this->assertSame(42, $this->get($m, 41)); |
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$this->assertSame(1, $this->get($m, 65)); |
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$this->assertSame(90, $this->get($m, 89)); |
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$this->assertSame(4, $m->size()); |
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} |
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public function testTupleLikeInjection() |
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{ |
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$map = Map::of() |
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(1, 2) |
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(3, 4); |
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$expected = Map::of() |
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->put(1, 2) |
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->put(3, 4); |
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$this->assertTrue($map->equals($expected)); |
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} |
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public function testGet() |
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{ |
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$m = Map::of(); |
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$m = $m->put(23, 24); |
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$this->assertSame(24, $this->get($m, 23)); |
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} |
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public function testReturnNothingWhenGettingUnknownKey() |
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{ |
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$this->assertNull($this->get(Map::of(), 24)); |
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} |
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public function testContains() |
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{ |
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$m = Map::of(); |
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$m = $m->put(23, 24); |
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$this->assertFalse($m->contains(24)); |
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$this->assertTrue($m->contains(23)); |
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} |
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public function testClear() |
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{ |
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$m = Map::of(); |
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$m = $m->put(24, 42.0); |
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$m2 = $m->clear(); |
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$this->assertNotSame($m, $m2); |
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$this->assertInstanceOf(Map::class, $m2); |
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$this->assertSame(1, $m->size()); |
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$this->assertSame(0, $m2->size()); |
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} |
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public function testEquals() |
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{ |
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$m = Map::of()->put(24, 42); |
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$m2 = Map::of()->put(24, 42); |
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$this->assertTrue($m->equals($m2)); |
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$this->assertFalse($m->equals($m2->put(65, 66))); |
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$this->assertFalse($m->equals($m2->put(24, 24))); |
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$this->assertFalse( |
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Map::of() |
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->put('foo_res', 'res') |
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->put('foo_bar_res', 'res') |
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->equals( |
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Map::of() |
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->put('foo_res', 'res') |
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->put('bar_res', 'res'), |
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), |
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); |
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$m = Map::of() |
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->put(24, 42) |
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->put(42, 24); |
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$m2 = Map::of() |
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->put(42, 24) |
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->put(24, 42); |
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$this->assertTrue($m->equals($m2)); |
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$this->assertTrue(Map::of()->equals(Map::of())); |
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} |
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public function testFilter() |
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{ |
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$m = Map::of() |
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->put(0, 1) |
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->put(1, 2) |
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->put(2, 3) |
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->put(4, 5); |
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$m2 = $m->filter(static function(int $key, int $value) { |
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return ($key + $value) % 3 === 0; |
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}); |
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$this->assertNotSame($m, $m2); |
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$this->assertInstanceOf(Map::class, $m2); |
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$this->assertSame(4, $m->size()); |
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$this->assertSame(2, $m2->size()); |
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$this->assertTrue($m2->contains(1)); |
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$this->assertTrue($m2->contains(4)); |
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$this->assertFalse($m2->contains(0)); |
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$this->assertFalse($m2->contains(2)); |
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} |
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public function testForeach() |
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{ |
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$m = Map::of() |
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->put(0, 1) |
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->put(1, 2) |
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->put(2, 3) |
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->put(3, 4); |
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$count = 0; |
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$m->foreach(function(int $key, int $value) use (&$count) { |
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$this->assertSame($count, $key); |
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$this->assertSame($value, $key + 1); |
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++$count; |
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}); |
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$this->assertSame(4, $count); |
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} |
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public function testGroupEmptyMap() |
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{ |
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$this->assertTrue( |
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Map::of() |
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->groupBy(static function() {}) |
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->equals(Map::of()), |
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); |
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} |
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public function testGroupBy() |
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{ |
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$m = Map::of() |
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->put(0, 1) |
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->put(1, 2) |
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->put(2, 3) |
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->put(4, 5); |
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$m2 = $m->groupBy(static function(int $key, int $value) { |
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return ($key + $value) % 3; |
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}); |
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$this->assertNotSame($m, $m2); |
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$this->assertInstanceOf(Map::class, $m2); |
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$this->assertTrue($m2->contains(0)); |
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$this->assertTrue($m2->contains(1)); |
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$this->assertTrue($m2->contains(2)); |
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$this->assertSame(2, $this->get($m2, 0)->size()); |
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$this->assertSame(1, $this->get($m2, 1)->size()); |
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$this->assertSame(1, $this->get($m2, 2)->size()); |
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$this->assertSame(1, $this->get($this->get($m2, 1), 0)); |
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$this->assertSame(2, $this->get($this->get($m2, 0), 1)); |
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$this->assertSame(3, $this->get($this->get($m2, 2), 2)); |
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$this->assertSame(5, $this->get($this->get($m2, 0), 4)); |
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} |
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public function testKeys() |
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{ |
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$m = Map::of() |
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->put(0, 1) |
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->put(1, 2) |
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->put(2, 3) |
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->put(4, 5); |
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$k = $m->keys(); |
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$this->assertInstanceOf(Set::class, $k); |
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$this->assertSame([0, 1, 2, 4], $k->toList()); |
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$this->assertTrue($k->equals($m->keys())); |
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} |
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public function testValues() |
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{ |
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$m = Map::of() |
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->put(0, 1) |
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->put(1, 2) |
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->put(2, 3) |
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->put(4, 5) |
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->put(5, 5); |
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242
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$v = $m->values(); |
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$this->assertInstanceOf(Sequence::class, $v); |
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$this->assertSame([1, 2, 3, 5, 5], $v->toList()); |
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$this->assertTrue($v->equals($m->values())); |
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} |
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248
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public function testMap() |
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249
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{ |
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$m = Map::of() |
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->put(0, 1) |
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252
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->put(1, 2) |
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->put(2, 3) |
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->put(4, 5); |
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255
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256
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$m2 = $m->map(static function(int $key, int $value) { |
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return $value**2; |
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}); |
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$this->assertNotSame($m, $m2); |
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260
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$this->assertInstanceOf(Map::class, $m2); |
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$this->assertSame([0, 1, 2, 4], $m->keys()->toList()); |
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262
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$this->assertSame([1, 2, 3, 5], $m->values()->toList()); |
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263
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$this->assertSame([0, 1, 2, 4], $m2->keys()->toList()); |
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264
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$this->assertSame([1, 4, 9, 25], $m2->values()->toList()); |
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265
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} |
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266
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267
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public function testFlatMap() |
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268
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{ |
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269
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$map = Map::of()(0, 1)(2, 3)(4, 5); |
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270
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$map2 = $map->flatMap(static fn($key, $value) => Map::of()($value, $key)); |
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271
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272
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$this->assertNotSame($map, $map2); |
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273
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$this->assertSame([0, 2, 4], $map->keys()->toList()); |
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274
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$this->assertSame([1, 3, 5], $map->values()->toList()); |
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275
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$this->assertSame([1, 3, 5], $map2->keys()->toList()); |
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276
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$this->assertSame([0, 2, 4], $map2->values()->toList()); |
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277
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} |
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278
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279
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public function testRemove() |
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280
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{ |
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281
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$m = Map::of() |
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282
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->put(0, 1) |
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283
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->put(1, 2) |
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284
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->put(2, 3) |
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285
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->put(3, 4) |
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286
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->put(4, 5); |
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287
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288
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$m2 = $m->remove(12); |
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289
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$this->assertTrue($m->equals($m2)); |
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290
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$this->assertSame([0, 1, 2, 3, 4], $m->keys()->toList()); |
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291
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$this->assertSame([1, 2, 3, 4, 5], $m->values()->toList()); |
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292
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293
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$m2 = $m->remove(3); |
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294
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$this->assertNotSame($m, $m2); |
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295
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$this->assertInstanceOf(Map::class, $m2); |
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296
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$this->assertSame([0, 1, 2, 3, 4], $m->keys()->toList()); |
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297
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$this->assertSame([1, 2, 3, 4, 5], $m->values()->toList()); |
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298
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$this->assertSame([0, 1, 2, 4], $m2->keys()->toList()); |
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299
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$this->assertSame([1, 2, 3, 5], $m2->values()->toList()); |
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300
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301
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$m2 = $m->remove(4); |
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302
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$this->assertNotSame($m, $m2); |
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303
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$this->assertInstanceOf(Map::class, $m2); |
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304
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$this->assertSame([0, 1, 2, 3, 4], $m->keys()->toList()); |
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305
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$this->assertSame([1, 2, 3, 4, 5], $m->values()->toList()); |
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306
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$this->assertSame([0, 1, 2, 3], $m2->keys()->toList()); |
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307
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$this->assertSame([1, 2, 3, 4], $m2->values()->toList()); |
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308
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309
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$m2 = $m->remove(0); |
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310
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$this->assertNotSame($m, $m2); |
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311
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$this->assertInstanceOf(Map::class, $m2); |
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312
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$this->assertSame([0, 1, 2, 3, 4], $m->keys()->toList()); |
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313
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$this->assertSame([1, 2, 3, 4, 5], $m->values()->toList()); |
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314
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|
$this->assertSame([1, 2, 3, 4], $m2->keys()->toList()); |
|
315
|
|
|
$this->assertSame([2, 3, 4, 5], $m2->values()->toList()); |
|
316
|
|
|
} |
|
317
|
|
|
|
|
318
|
|
|
public function testMerge() |
|
319
|
|
|
{ |
|
320
|
|
|
$m = Map::of() |
|
321
|
|
|
->put($s = new \stdClass, 24) |
|
322
|
|
|
->put($s2 = new \stdClass, 42); |
|
323
|
|
|
$m2 = Map::of() |
|
324
|
|
|
->put($s3 = new \stdClass, 24) |
|
325
|
|
|
->put($s2, 66) |
|
326
|
|
|
->put($s4 = new \stdClass, 42); |
|
327
|
|
|
|
|
328
|
|
|
$m3 = $m->merge($m2); |
|
329
|
|
|
$this->assertNotSame($m, $m3); |
|
330
|
|
|
$this->assertNotSame($m2, $m3); |
|
331
|
|
|
$this->assertInstanceOf(Map::class, $m3); |
|
332
|
|
|
$this->assertSame(4, $m3->size()); |
|
333
|
|
|
$this->assertSame([$s, $s2], $m->keys()->toList()); |
|
334
|
|
|
$this->assertSame([24, 42], $m->values()->toList()); |
|
335
|
|
|
$this->assertSame([$s3, $s2, $s4], $m2->keys()->toList()); |
|
336
|
|
|
$this->assertSame([24, 66, 42], $m2->values()->toList()); |
|
337
|
|
|
$this->assertSame([$s, $s2, $s3, $s4], $m3->keys()->toList()); |
|
338
|
|
|
$this->assertSame([24, 66, 24, 42], $m3->values()->toList()); |
|
339
|
|
|
$this->assertFalse($m3->equals($m2->merge($m))); |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
public function testPartition() |
|
343
|
|
|
{ |
|
344
|
|
|
$m = Map::of() |
|
345
|
|
|
->put(0, 1) |
|
346
|
|
|
->put(1, 2) |
|
347
|
|
|
->put(2, 3) |
|
348
|
|
|
->put(3, 4) |
|
349
|
|
|
->put(4, 5); |
|
350
|
|
|
|
|
351
|
|
|
$p = $m->partition(static function(int $i, int $v) { |
|
352
|
|
|
return ($i + $v) % 3 === 0; |
|
353
|
|
|
}); |
|
354
|
|
|
|
|
355
|
|
|
$this->assertInstanceOf(Map::class, $p); |
|
356
|
|
|
$this->assertNotSame($p, $m); |
|
357
|
|
|
$this->assertSame( |
|
358
|
|
|
[true, false], |
|
359
|
|
|
$p->keys()->toList(), |
|
360
|
|
|
); |
|
361
|
|
|
$this->assertSame( |
|
362
|
|
|
[1, 4], |
|
363
|
|
|
$this->get($p, true)->keys()->toList(), |
|
364
|
|
|
); |
|
365
|
|
|
$this->assertSame( |
|
366
|
|
|
[2, 5], |
|
367
|
|
|
$this->get($p, true)->values()->toList(), |
|
368
|
|
|
); |
|
369
|
|
|
$this->assertSame( |
|
370
|
|
|
[0, 2, 3], |
|
371
|
|
|
$this->get($p, false)->keys()->toList(), |
|
372
|
|
|
); |
|
373
|
|
|
$this->assertSame( |
|
374
|
|
|
[1, 3, 4], |
|
375
|
|
|
$this->get($p, false)->values()->toList(), |
|
376
|
|
|
); |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
public function testReduce() |
|
380
|
|
|
{ |
|
381
|
|
|
$m = Map::of()->put(4, 4); |
|
382
|
|
|
|
|
383
|
|
|
$v = $m->reduce( |
|
384
|
|
|
42, |
|
|
|
|
|
|
385
|
|
|
static function(float $carry, int $key, int $value): float { |
|
386
|
|
|
return $carry / ($key * $value); |
|
387
|
|
|
}, |
|
388
|
|
|
); |
|
389
|
|
|
|
|
390
|
|
|
$this->assertSame(2.625, $v); |
|
391
|
|
|
$this->assertSame([4], $m->keys()->toList()); |
|
392
|
|
|
$this->assertSame([4], $m->values()->toList()); |
|
393
|
|
|
} |
|
394
|
|
|
|
|
395
|
|
|
public function testMatches() |
|
396
|
|
|
{ |
|
397
|
|
|
$map = Map::of() |
|
398
|
|
|
(1, 2) |
|
399
|
|
|
(3, 4); |
|
400
|
|
|
|
|
401
|
|
|
$this->assertTrue($map->matches(static fn($key, $value) => $value % 2 === 0)); |
|
402
|
|
|
$this->assertFalse($map->matches(static fn($key, $value) => $key % 2 === 0)); |
|
|
|
|
|
|
403
|
|
|
$this->assertFalse(Map::of([1, 2], [3, 3])->matches( |
|
404
|
|
|
static fn($key, $value) => $value % 2 === 0, |
|
405
|
|
|
)); |
|
406
|
|
|
} |
|
407
|
|
|
|
|
408
|
|
|
public function testAny() |
|
409
|
|
|
{ |
|
410
|
|
|
$map = Map::of() |
|
411
|
|
|
(1, 2) |
|
412
|
|
|
(3, 4); |
|
413
|
|
|
|
|
414
|
|
|
$this->assertTrue($map->any(static fn($key, $value) => $value === 4)); |
|
415
|
|
|
$this->assertTrue($map->any(static fn($key, $value) => $key === 1)); |
|
|
|
|
|
|
416
|
|
|
$this->assertFalse($map->any(static fn($key, $value) => $key === 0)); |
|
|
|
|
|
|
417
|
|
|
$this->assertFalse($map->any(static fn($key, $value) => $value === 1)); |
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
|
|
public function testFind() |
|
421
|
|
|
{ |
|
422
|
|
|
$map = Map::of([1, 2], [3, 4], [5, 6]); |
|
423
|
|
|
|
|
424
|
|
|
$this->assertSame( |
|
425
|
|
|
4, |
|
426
|
|
|
$map |
|
427
|
|
|
->find(static fn($k) => $k === 3) |
|
428
|
|
|
->map(static fn($pair) => $pair->value()) |
|
429
|
|
|
->match( |
|
430
|
|
|
static fn($value) => $value, |
|
431
|
|
|
static fn() => null, |
|
432
|
|
|
), |
|
433
|
|
|
); |
|
434
|
|
|
} |
|
435
|
|
|
|
|
436
|
|
|
private function get($map, $index) |
|
437
|
|
|
{ |
|
438
|
|
|
return $map->get($index)->match( |
|
439
|
|
|
static fn($value) => $value, |
|
440
|
|
|
static fn() => null, |
|
441
|
|
|
); |
|
442
|
|
|
} |
|
443
|
|
|
} |
|
444
|
|
|
|
Innmind /
Immutable
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