ObjectKeysTest::testGenericObjectTypeAllowedAsKey() - Code Metrics - Inspection of "Merge branch 'develop'" - Innmind/Immutable - Measure and Improve Code Quality continuously with Scrutinizer

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by Baptiste

created 2019-12-08 17:33 UTC

testGenericObjectTypeAllowedAsKey() A

↳ Parent: ObjectKeysTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	0
dl	0
loc	3
rs	10

<?php
declare(strict_types = 1);

namespace Tests\Innmind\Immutable\Map;

use Innmind\Immutable\{
    Map\ObjectKeys,
filter:
    dependency_paths: ["lib/*"]
    Map\Implementation,
    Map,
    Pair,
    Str,
    Set,
    Sequence,
    Exception\LogicException,
    Exception\ElementNotFound,
    Exception\CannotGroupEmptyStructure,
};
use function Innmind\Immutable\unwrap;
use PHPUnit\Framework\TestCase;

class ObjectKeysTest extends TestCase
{
    public function testInterface()
    {
        $m = new ObjectKeys('stdClass', 'float');

        $this->assertInstanceOf(Map\Implementation::class, $m);
        $this->assertInstanceOf(\Countable::class, $m);
        $this->assertSame('stdClass', $m->keyType());
        $this->assertSame('float', $m->valueType());
    }

    public function testThrowWhenKeyNotAClass()
    {
        $this->expectException(LogicException::class);

        new ObjectKeys('int', 'float');
    }

    public function testPut()
    {
        $m = new ObjectKeys('stdClass', 'int');

        $this->assertSame(0, $m->size());
        $m2 = ($m)(new \stdClass, 42);
        $this->assertNotSame($m, $m2);
        $this->assertSame(0, $m->size());
        $this->assertSame(1, $m2->size());

        $m = new ObjectKeys('stdClass', 'int');
        $m = $m
            ($a = new \stdClass, 24)
            ($b = new \stdClass, 42)
            ($c = new \stdClass, 66)
            ($d = new \stdClass, 90)
            ($c, 1);

        $this->assertSame(24, $m->get($a));
        $this->assertSame(42, $m->get($b));
        $this->assertSame(1, $m->get($c));
        $this->assertSame(90, $m->get($d));
        $this->assertSame(4, $m->size());
    }

    public function testThrowWhenKeyDoesntMatchType()
    {
        $this->expectException(\TypeError::class);
        $this->expectExceptionMessage('Argument 1 must be of type stdClass, string given');

        $m = new ObjectKeys('stdClass', 'int');
        ($m)('stdClass', 42);
    }

    public function testThrowWhenValueDoesntMatchType()
    {
        $this->expectException(\TypeError::class);
        $this->expectExceptionMessage('Argument 2 must be of type int, float given');

        $m = new ObjectKeys('stdClass', 'int');
        ($m)(new \stdClass, 42.0);
    }

    public function testGet()
    {
        $m = new ObjectKeys('stdClass', 'int');
        $m = ($m)($a = new \stdClass, 24);

        $this->assertSame(24, $m->get($a));
    }

    public function testThrowWhenGettingUnknownKey()
    {
        $this->expectException(ElementNotFound::class);

        (new ObjectKeys('stdClass', 'int'))->get(new \stdClass);
    }

    public function testContains()
    {
        $m = new ObjectKeys('stdClass', 'int');
        $m = ($m)($a = new \stdClass, 24);

        $this->assertFalse($m->contains(24));
        $this->assertTrue($m->contains($a));
    }

    public function testClear()
    {
        $m = new ObjectKeys('stdClass', 'float');
        $m = ($m)(new \stdClass, 42.0);

        $m2 = $m->clear();
        $this->assertNotSame($m, $m2);
        $this->assertInstanceOf(ObjectKeys::class, $m2);
        $this->assertSame(1, $m->size());
        $this->assertSame(0, $m2->size());
        $this->assertSame('stdClass', $m2->keyType());
        $this->assertSame('float', $m2->valueType());
    }

    public function testEquals()
    {
        $m = (new ObjectKeys('stdClass', 'int'))($a = new \stdClass, 42);
        $m2 = (new ObjectKeys('stdClass', 'int'))($a, 42);

        $this->assertTrue($m->equals($m2));
        $this->assertFalse($m->equals(($m2)(new \stdClass, 66)));
        $this->assertFalse($m->equals(($m2)($a, 24)));
    }

    public function testFilter()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            ($a = new \stdClass, 1)
            ($b = new \stdClass, 2)
            ($c = new \stdClass, 3)
            ($d = new \stdClass, 4);

        $m2 = $m->filter(function(\stdClass $key, int $value) {
            return $value % 2 === 0;
        });

        $this->assertNotSame($m, $m2);
        $this->assertInstanceOf(ObjectKeys::class, $m2);
        $this->assertSame($m->keyType(), $m2->keyType());
        $this->assertSame($m->valueType(), $m2->valueType());
        $this->assertSame(4, $m->size());
        $this->assertSame(2, $m2->size());
        $this->assertTrue($m2->contains($b));
        $this->assertTrue($m2->contains($d));
        $this->assertFalse($m2->contains($a));
        $this->assertFalse($m2->contains($c));
    }

    public function testForeach()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            (new \stdClass, 1)
            (new \stdClass, 2)
            (new \stdClass, 3)
            (new \stdClass, 4);
        $count = 0;

        $m->foreach(function(\stdClass $key, int $value) use (&$count) {
            ++$count;
            $this->assertSame($count, $value);
        });
        $this->assertSame(4, $count);
    }

    public function testThrowWhenGroupingAnEmptyMap()
    {
        $this->expectException(CannotGroupEmptyStructure::class);

        (new ObjectKeys('stdClass', 'int'))->groupBy(function() {});
    }

    public function testGroupBy()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            ($a = new \stdClass, 1)
            ($b = new \stdClass, 2)
            ($c = new \stdClass, 3)
            ($d = new \stdClass, 4);

        $m2 = $m->groupBy(function(\stdClass $key, int $value) {
            return $value % 2;
        });
        $this->assertNotSame($m, $m2);
        $this->assertInstanceOf(Map::class, $m2);
        $this->assertSame('int', $m2->keyType());
        $this->assertSame(Map::class, $m2->valueType());
        $this->assertTrue($m2->contains(0));
        $this->assertTrue($m2->contains(1));
        $this->assertSame(2, $m2->get(0)->size());
        $this->assertSame(2, $m2->get(1)->size());
        $this->assertSame('stdClass', $m2->get(0)->keyType());
        $this->assertSame('int', $m2->get(0)->valueType());
        $this->assertSame('stdClass', $m2->get(1)->keyType());
        $this->assertSame('int', $m2->get(1)->valueType());
        $this->assertSame(1, $m2->get(1)->get($a));
        $this->assertSame(2, $m2->get(0)->get($b));
        $this->assertSame(3, $m2->get(1)->get($c));
        $this->assertSame(4, $m2->get(0)->get($d));
    }
    public function testKeys()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            ($a = new \stdClass, 1)
            ($b = new \stdClass, 2)
            ($c = new \stdClass, 3)
            ($d = new \stdClass, 5);

        $k = $m->keys();
        $this->assertInstanceOf(Set::class, $k);
        $this->assertSame('stdClass', $k->type());
        $this->assertSame([$a, $b, $c, $d], unwrap($k));
        $this->assertTrue($k->equals($m->keys()));
    }

    public function testValues()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            (new \stdClass, 1)
            (new \stdClass, 2)
            (new \stdClass, 3)
            (new \stdClass, 5)
            (new \stdClass, 5);

        $v = $m->values();
        $this->assertInstanceOf(Sequence::class, $v);
        $this->assertSame('int', $v->type());
        $this->assertSame([1, 2, 3, 5, 5], unwrap($v));
        $this->assertTrue($v->equals($m->values()));
    }

    public function testMap()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            ($a = new \stdClass, 1)
            ($b = new \stdClass, 2)
            ($c = new \stdClass, 3)
            ($d = new \stdClass, 4);

        $m2 = $m->map(function(\stdClass $key, int $value) {
            if ($value % 2 === 0) {
                return new Pair($key, $value + 10);
            }

            return $value**2;
        });
        $this->assertNotSame($m, $m2);
        $this->assertInstanceOf(ObjectKeys::class, $m2);
        $this->assertSame($m->keyType(), $m2->keyType());
        $this->assertSame($m->valueType(), $m2->valueType());
        $this->assertSame([$a, $b, $c, $d], unwrap($m->keys()));
        $this->assertSame([1, 2, 3, 4], unwrap($m->values()));
        $this->assertSame([$a, $b, $c, $d], unwrap($m2->keys()));
        $this->assertSame([1, 12, 9, 14], unwrap($m2->values()));
    }

    public function testThrowWhenTryingToModifyValueTypeInTheMap()
    {
        $this->expectException(\TypeError::class);
        $this->expectExceptionMessage('Argument 2 must be of type int, string given');

        (new ObjectKeys('stdClass', 'int'))
            (new \stdClass, 2)
            ->map(function(\stdClass $key, int $value) {
                return (string) $value;
            });
    }

    public function testThrowWhenTryingToModifyKeyTypeInTheMap()
    {
        $this->expectException(\TypeError::class);
        $this->expectExceptionMessage('Argument 1 must be of type stdClass, int given');

        (new ObjectKeys('stdClass', 'int'))
            (new \stdClass, 2)
            ->map(function(\stdClass $key, int $value) {
                return new Pair(42, $value);
            });
    }

    public function testRemove()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            ($a = new \stdClass, 1)
            ($b = new \stdClass, 2)
            ($c = new \stdClass, 3)
            ($d = new \stdClass, 4)
            ($e = new \stdClass, 5);

        $m2 = $m->remove(new \stdClass);
        $this->assertSame($m, $m2);
        $this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
        $this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));

        $m2 = $m->remove($d);
        $this->assertNotSame($m, $m2);
        $this->assertInstanceOf(ObjectKeys::class, $m2);
        $this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
        $this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));
        $this->assertSame([$a, $b, $c, $e], unwrap($m2->keys()));
        $this->assertSame([1, 2, 3, 5], unwrap($m2->values()));

        $m2 = $m->remove($e);
        $this->assertNotSame($m, $m2);
        $this->assertInstanceOf(ObjectKeys::class, $m2);
        $this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
        $this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));
        $this->assertSame([$a, $b, $c, $d], unwrap($m2->keys()));
        $this->assertSame([1, 2, 3, 4], unwrap($m2->values()));

        $m2 = $m->remove($a);
        $this->assertNotSame($m, $m2);
        $this->assertInstanceOf(ObjectKeys::class, $m2);
        $this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
        $this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));
        $this->assertSame([$b, $c, $d, $e], unwrap($m2->keys()));
        $this->assertSame([2, 3, 4, 5], unwrap($m2->values()));
    }

    public function testMerge()
    {
        $m = (new ObjectKeys(\stdClass::class, 'int'))
            ($s = new \stdClass, 24)
            ($s2 = new \stdClass, 42);
        $m2 = (new ObjectKeys(\stdClass::class, 'int'))
            ($s3 = new \stdClass, 24)
            ($s2, 66)
            ($s4 = new \stdClass, 42);

        $m3 = $m->merge($m2);
        $this->assertNotSame($m, $m3);
        $this->assertNotSame($m2, $m3);
        $this->assertInstanceOf(ObjectKeys::class, $m3);
        $this->assertSame($m->keyType(), $m3->keyType());
        $this->assertSame($m->valueType(), $m3->valueType());
        $this->assertSame(4, $m3->size());
        $this->assertSame([$s, $s2], unwrap($m->keys()));
        $this->assertSame([24, 42], unwrap($m->values()));
        $this->assertSame([$s3, $s2, $s4], unwrap($m2->keys()));
        $this->assertSame([24, 66, 42], unwrap($m2->values()));
        $this->assertSame([$s, $s2, $s3, $s4], unwrap($m3->keys()));
        $this->assertSame([24, 66, 24, 42], unwrap($m3->values()));
        $this->assertFalse($m3->equals($m2->merge($m)));
    }

    public function testPartition()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            ($a = new \stdClass, 1)
            ($b = new \stdClass, 2)
            ($c = new \stdClass, 3)
            ($d = new \stdClass, 4)
            ($e = new \stdClass, 5);

        $p = $m->partition(function(\stdClass $i, int $v) {
            return $v % 2 === 0;
        });

        $this->assertInstanceOf(Map::class, $p);
        $this->assertNotSame($p, $m);
        $this->assertSame('bool', $p->keyType());
        $this->assertSame(Map::class, $p->valueType());
        $this->assertSame(
            [true, false],
            unwrap($p->keys()),
        );
        $this->assertSame('stdClass', $p->get(true)->keyType());
        $this->assertSame('int', $p->get(true)->valueType());
        $this->assertSame('stdClass', $p->get(false)->keyType());
        $this->assertSame('int', $p->get(false)->valueType());
        $this->assertSame(
            [$b, $d],
            unwrap($p->get(true)->keys()),
        );
        $this->assertSame(
            [2, 4],
            unwrap($p->get(true)->values()),
        );
        $this->assertSame(
            [$a, $c, $e],
            unwrap($p->get(false)->keys()),
        );
        $this->assertSame(
            [1, 3, 5],
            unwrap($p->get(false)->values()),
        );
    }

    public function testReduce()
    {
        $m = (new ObjectKeys('stdClass', 'int'))
            ($a = new \stdClass, 4);

        $v = $m->reduce(
            42,
            function (float $carry, \stdClass $key, int $value): float {
                return $carry / $value;
            }
        );

        $this->assertSame(10.5, $v);
        $this->assertSame([$a], unwrap($m->keys()));
        $this->assertSame([4], unwrap($m->values()));
    }

    public function testEmpty()
    {
        $this->assertTrue((new ObjectKeys('stdClass', 'int'))->empty());
        $this->assertFalse((new ObjectKeys('stdClass', 'int'))(new \stdClass, 1)->empty());
    }

    public function testGenericObjectTypeAllowedAsKey()
    {
        $this->assertSame('object', (new ObjectKeys('object', 'int'))->keyType());
    }

    public function testToSequenceOf()
    {
        $map = (new ObjectKeys('object', 'int'))
            (new \stdClass, 2)
            (new \stdClass, 4);
        $sequence = $map->toSequenceOf('int', fn($k, $v) => yield $v);

        $this->assertInstanceOf(Sequence::class, $sequence);
        $this->assertSame(
            [2, 4],
            unwrap($sequence),
        );
    }

    public function testToSetOf()
    {
        $map = (new ObjectKeys('object', 'int'))
            (new \stdClass, 2)
            (new \stdClass, 4);
        $set = $map->toSetOf('int', fn($k, $v) => yield $v);

        $this->assertInstanceOf(Set::class, $set);
        $this->assertSame(
            [2, 4],
            unwrap($set),
        );
    }

    public function testToMapOf()
    {
        $map = (new ObjectKeys('object', 'int'))
            ($a = new \stdClass, 2)
            ($b = new \stdClass, 4);
        $map = $map->toMapOf('int', 'object', fn($i, $j) => yield $j => $i);

        $this->assertInstanceOf(Map::class, $map);
        $this->assertCount(2, $map);
        $this->assertSame($a, $map->get(2));
        $this->assertSame($b, $map->get(4));
    }
}


1			<?php
2			declare(strict_types = 1);
3
4			namespace Tests\Innmind\Immutable\Map;
5
6			use Innmind\Immutable\{
7			Map\ObjectKeys,
			0 ignored issues – show Bug introduced 2019-12-08 17:26 UTC by Report Bug Copy Issue Report The type `Innmind\Immutable\Map\ObjectKeys` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
8			Map\Implementation,
9			Map,
10			Pair,
11			Str,
12			Set,
13			Sequence,
14			Exception\LogicException,
15			Exception\ElementNotFound,
16			Exception\CannotGroupEmptyStructure,
17			};
18			use function Innmind\Immutable\unwrap;
19			use PHPUnit\Framework\TestCase;
20
21			class ObjectKeysTest extends TestCase
22			{
23			public function testInterface()
24			{
25			$m = new ObjectKeys('stdClass', 'float');
26
27			$this->assertInstanceOf(Map\Implementation::class, $m);
28			$this->assertInstanceOf(\Countable::class, $m);
29			$this->assertSame('stdClass', $m->keyType());
30			$this->assertSame('float', $m->valueType());
31			}
32
33			public function testThrowWhenKeyNotAClass()
34			{
35			$this->expectException(LogicException::class);
36
37			new ObjectKeys('int', 'float');
38			}
39
40			public function testPut()
41			{
42			$m = new ObjectKeys('stdClass', 'int');
43
44			$this->assertSame(0, $m->size());
45			$m2 = ($m)(new \stdClass, 42);
46			$this->assertNotSame($m, $m2);
47			$this->assertSame(0, $m->size());
48			$this->assertSame(1, $m2->size());
49
50			$m = new ObjectKeys('stdClass', 'int');
51			$m = $m
52			($a = new \stdClass, 24)
53			($b = new \stdClass, 42)
54			($c = new \stdClass, 66)
55			($d = new \stdClass, 90)
56			($c, 1);
57
58			$this->assertSame(24, $m->get($a));
59			$this->assertSame(42, $m->get($b));
60			$this->assertSame(1, $m->get($c));
61			$this->assertSame(90, $m->get($d));
62			$this->assertSame(4, $m->size());
63			}
64
65			public function testThrowWhenKeyDoesntMatchType()
66			{
67			$this->expectException(\TypeError::class);
68			$this->expectExceptionMessage('Argument 1 must be of type stdClass, string given');
69
70			$m = new ObjectKeys('stdClass', 'int');
71			($m)('stdClass', 42);
72			}
73
74			public function testThrowWhenValueDoesntMatchType()
75			{
76			$this->expectException(\TypeError::class);
77			$this->expectExceptionMessage('Argument 2 must be of type int, float given');
78
79			$m = new ObjectKeys('stdClass', 'int');
80			($m)(new \stdClass, 42.0);
81			}
82
83			public function testGet()
84			{
85			$m = new ObjectKeys('stdClass', 'int');
86			$m = ($m)($a = new \stdClass, 24);
87
88			$this->assertSame(24, $m->get($a));
89			}
90
91			public function testThrowWhenGettingUnknownKey()
92			{
93			$this->expectException(ElementNotFound::class);
94
95			(new ObjectKeys('stdClass', 'int'))->get(new \stdClass);
96			}
97
98			public function testContains()
99			{
100			$m = new ObjectKeys('stdClass', 'int');
101			$m = ($m)($a = new \stdClass, 24);
102
103			$this->assertFalse($m->contains(24));
104			$this->assertTrue($m->contains($a));
105			}
106
107			public function testClear()
108			{
109			$m = new ObjectKeys('stdClass', 'float');
110			$m = ($m)(new \stdClass, 42.0);
111
112			$m2 = $m->clear();
113			$this->assertNotSame($m, $m2);
114			$this->assertInstanceOf(ObjectKeys::class, $m2);
115			$this->assertSame(1, $m->size());
116			$this->assertSame(0, $m2->size());
117			$this->assertSame('stdClass', $m2->keyType());
118			$this->assertSame('float', $m2->valueType());
119			}
120
121			public function testEquals()
122			{
123			$m = (new ObjectKeys('stdClass', 'int'))($a = new \stdClass, 42);
124			$m2 = (new ObjectKeys('stdClass', 'int'))($a, 42);
125
126			$this->assertTrue($m->equals($m2));
127			$this->assertFalse($m->equals(($m2)(new \stdClass, 66)));
128			$this->assertFalse($m->equals(($m2)($a, 24)));
129			}
130
131			public function testFilter()
132			{
133			$m = (new ObjectKeys('stdClass', 'int'))
134			($a = new \stdClass, 1)
135			($b = new \stdClass, 2)
136			($c = new \stdClass, 3)
137			($d = new \stdClass, 4);
138
139			$m2 = $m->filter(function(\stdClass $key, int $value) {
140			return $value % 2 === 0;
141			});
142
143			$this->assertNotSame($m, $m2);
144			$this->assertInstanceOf(ObjectKeys::class, $m2);
145			$this->assertSame($m->keyType(), $m2->keyType());
146			$this->assertSame($m->valueType(), $m2->valueType());
147			$this->assertSame(4, $m->size());
148			$this->assertSame(2, $m2->size());
149			$this->assertTrue($m2->contains($b));
150			$this->assertTrue($m2->contains($d));
151			$this->assertFalse($m2->contains($a));
152			$this->assertFalse($m2->contains($c));
153			}
154
155			public function testForeach()
156			{
157			$m = (new ObjectKeys('stdClass', 'int'))
158			(new \stdClass, 1)
159			(new \stdClass, 2)
160			(new \stdClass, 3)
161			(new \stdClass, 4);
162			$count = 0;
163
164			$m->foreach(function(\stdClass $key, int $value) use (&$count) {
165			++$count;
166			$this->assertSame($count, $value);
167			});
168			$this->assertSame(4, $count);
169			}
170
171			public function testThrowWhenGroupingAnEmptyMap()
172			{
173			$this->expectException(CannotGroupEmptyStructure::class);
174
175			(new ObjectKeys('stdClass', 'int'))->groupBy(function() {});
176			}
177
178			public function testGroupBy()
179			{
180			$m = (new ObjectKeys('stdClass', 'int'))
181			($a = new \stdClass, 1)
182			($b = new \stdClass, 2)
183			($c = new \stdClass, 3)
184			($d = new \stdClass, 4);
185
186			$m2 = $m->groupBy(function(\stdClass $key, int $value) {
187			return $value % 2;
188			});
189			$this->assertNotSame($m, $m2);
190			$this->assertInstanceOf(Map::class, $m2);
191			$this->assertSame('int', $m2->keyType());
192			$this->assertSame(Map::class, $m2->valueType());
193			$this->assertTrue($m2->contains(0));
194			$this->assertTrue($m2->contains(1));
195			$this->assertSame(2, $m2->get(0)->size());
196			$this->assertSame(2, $m2->get(1)->size());
197			$this->assertSame('stdClass', $m2->get(0)->keyType());
198			$this->assertSame('int', $m2->get(0)->valueType());
199			$this->assertSame('stdClass', $m2->get(1)->keyType());
200			$this->assertSame('int', $m2->get(1)->valueType());
201			$this->assertSame(1, $m2->get(1)->get($a));
202			$this->assertSame(2, $m2->get(0)->get($b));
203			$this->assertSame(3, $m2->get(1)->get($c));
204			$this->assertSame(4, $m2->get(0)->get($d));
205			}
206			public function testKeys()
207			{
208			$m = (new ObjectKeys('stdClass', 'int'))
209			($a = new \stdClass, 1)
210			($b = new \stdClass, 2)
211			($c = new \stdClass, 3)
212			($d = new \stdClass, 5);
213
214			$k = $m->keys();
215			$this->assertInstanceOf(Set::class, $k);
216			$this->assertSame('stdClass', $k->type());
217			$this->assertSame([$a, $b, $c, $d], unwrap($k));
218			$this->assertTrue($k->equals($m->keys()));
219			}
220
221			public function testValues()
222			{
223			$m = (new ObjectKeys('stdClass', 'int'))
224			(new \stdClass, 1)
225			(new \stdClass, 2)
226			(new \stdClass, 3)
227			(new \stdClass, 5)
228			(new \stdClass, 5);
229
230			$v = $m->values();
231			$this->assertInstanceOf(Sequence::class, $v);
232			$this->assertSame('int', $v->type());
233			$this->assertSame([1, 2, 3, 5, 5], unwrap($v));
234			$this->assertTrue($v->equals($m->values()));
235			}
236
237			public function testMap()
238			{
239			$m = (new ObjectKeys('stdClass', 'int'))
240			($a = new \stdClass, 1)
241			($b = new \stdClass, 2)
242			($c = new \stdClass, 3)
243			($d = new \stdClass, 4);
244
245			$m2 = $m->map(function(\stdClass $key, int $value) {
246			if ($value % 2 === 0) {
247			return new Pair($key, $value + 10);
248			}
249
250			return $value**2;
251			});
252			$this->assertNotSame($m, $m2);
253			$this->assertInstanceOf(ObjectKeys::class, $m2);
254			$this->assertSame($m->keyType(), $m2->keyType());
255			$this->assertSame($m->valueType(), $m2->valueType());
256			$this->assertSame([$a, $b, $c, $d], unwrap($m->keys()));
257			$this->assertSame([1, 2, 3, 4], unwrap($m->values()));
258			$this->assertSame([$a, $b, $c, $d], unwrap($m2->keys()));
259			$this->assertSame([1, 12, 9, 14], unwrap($m2->values()));
260			}
261
262			public function testThrowWhenTryingToModifyValueTypeInTheMap()
263			{
264			$this->expectException(\TypeError::class);
265			$this->expectExceptionMessage('Argument 2 must be of type int, string given');
266
267			(new ObjectKeys('stdClass', 'int'))
268			(new \stdClass, 2)
269			->map(function(\stdClass $key, int $value) {
270			return (string) $value;
271			});
272			}
273
274			public function testThrowWhenTryingToModifyKeyTypeInTheMap()
275			{
276			$this->expectException(\TypeError::class);
277			$this->expectExceptionMessage('Argument 1 must be of type stdClass, int given');
278
279			(new ObjectKeys('stdClass', 'int'))
280			(new \stdClass, 2)
281			->map(function(\stdClass $key, int $value) {
282			return new Pair(42, $value);
283			});
284			}
285
286			public function testRemove()
287			{
288			$m = (new ObjectKeys('stdClass', 'int'))
289			($a = new \stdClass, 1)
290			($b = new \stdClass, 2)
291			($c = new \stdClass, 3)
292			($d = new \stdClass, 4)
293			($e = new \stdClass, 5);
294
295			$m2 = $m->remove(new \stdClass);
296			$this->assertSame($m, $m2);
297			$this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
298			$this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));
299
300			$m2 = $m->remove($d);
301			$this->assertNotSame($m, $m2);
302			$this->assertInstanceOf(ObjectKeys::class, $m2);
303			$this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
304			$this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));
305			$this->assertSame([$a, $b, $c, $e], unwrap($m2->keys()));
306			$this->assertSame([1, 2, 3, 5], unwrap($m2->values()));
307
308			$m2 = $m->remove($e);
309			$this->assertNotSame($m, $m2);
310			$this->assertInstanceOf(ObjectKeys::class, $m2);
311			$this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
312			$this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));
313			$this->assertSame([$a, $b, $c, $d], unwrap($m2->keys()));
314			$this->assertSame([1, 2, 3, 4], unwrap($m2->values()));
315
316			$m2 = $m->remove($a);
317			$this->assertNotSame($m, $m2);
318			$this->assertInstanceOf(ObjectKeys::class, $m2);
319			$this->assertSame([$a, $b, $c, $d, $e], unwrap($m->keys()));
320			$this->assertSame([1, 2, 3, 4, 5], unwrap($m->values()));
321			$this->assertSame([$b, $c, $d, $e], unwrap($m2->keys()));
322			$this->assertSame([2, 3, 4, 5], unwrap($m2->values()));
323			}
324
325			public function testMerge()
326			{
327			$m = (new ObjectKeys(\stdClass::class, 'int'))
328			($s = new \stdClass, 24)
329			($s2 = new \stdClass, 42);
330			$m2 = (new ObjectKeys(\stdClass::class, 'int'))
331			($s3 = new \stdClass, 24)
332			($s2, 66)
333			($s4 = new \stdClass, 42);
334
335			$m3 = $m->merge($m2);
336			$this->assertNotSame($m, $m3);
337			$this->assertNotSame($m2, $m3);
338			$this->assertInstanceOf(ObjectKeys::class, $m3);
339			$this->assertSame($m->keyType(), $m3->keyType());
340			$this->assertSame($m->valueType(), $m3->valueType());
341			$this->assertSame(4, $m3->size());
342			$this->assertSame([$s, $s2], unwrap($m->keys()));
343			$this->assertSame([24, 42], unwrap($m->values()));
344			$this->assertSame([$s3, $s2, $s4], unwrap($m2->keys()));
345			$this->assertSame([24, 66, 42], unwrap($m2->values()));
346			$this->assertSame([$s, $s2, $s3, $s4], unwrap($m3->keys()));
347			$this->assertSame([24, 66, 24, 42], unwrap($m3->values()));
348			$this->assertFalse($m3->equals($m2->merge($m)));
349			}
350
351			public function testPartition()
352			{
353			$m = (new ObjectKeys('stdClass', 'int'))
354			($a = new \stdClass, 1)
355			($b = new \stdClass, 2)
356			($c = new \stdClass, 3)
357			($d = new \stdClass, 4)
358			($e = new \stdClass, 5);
359
360			$p = $m->partition(function(\stdClass $i, int $v) {
361			return $v % 2 === 0;
362			});
363
364			$this->assertInstanceOf(Map::class, $p);
365			$this->assertNotSame($p, $m);
366			$this->assertSame('bool', $p->keyType());
367			$this->assertSame(Map::class, $p->valueType());
368			$this->assertSame(
369			[true, false],
370			unwrap($p->keys()),
371			);
372			$this->assertSame('stdClass', $p->get(true)->keyType());
373			$this->assertSame('int', $p->get(true)->valueType());
374			$this->assertSame('stdClass', $p->get(false)->keyType());
375			$this->assertSame('int', $p->get(false)->valueType());
376			$this->assertSame(
377			[$b, $d],
378			unwrap($p->get(true)->keys()),
379			);
380			$this->assertSame(
381			[2, 4],
382			unwrap($p->get(true)->values()),
383			);
384			$this->assertSame(
385			[$a, $c, $e],
386			unwrap($p->get(false)->keys()),
387			);
388			$this->assertSame(
389			[1, 3, 5],
390			unwrap($p->get(false)->values()),
391			);
392			}
393
394			public function testReduce()
395			{
396			$m = (new ObjectKeys('stdClass', 'int'))
397			($a = new \stdClass, 4);
398
399			$v = $m->reduce(
400			42,
401			function (float $carry, \stdClass $key, int $value): float {
402			return $carry / $value;
403			}
404			);
405
406			$this->assertSame(10.5, $v);
407			$this->assertSame([$a], unwrap($m->keys()));
408			$this->assertSame([4], unwrap($m->values()));
409			}
410
411			public function testEmpty()
412			{
413			$this->assertTrue((new ObjectKeys('stdClass', 'int'))->empty());
414			$this->assertFalse((new ObjectKeys('stdClass', 'int'))(new \stdClass, 1)->empty());
415			}
416
417			public function testGenericObjectTypeAllowedAsKey()
418			{
419			$this->assertSame('object', (new ObjectKeys('object', 'int'))->keyType());
420			}
421
422			public function testToSequenceOf()
423			{
424			$map = (new ObjectKeys('object', 'int'))
425			(new \stdClass, 2)
426			(new \stdClass, 4);
427			$sequence = $map->toSequenceOf('int', fn($k, $v) => yield $v);
428
429			$this->assertInstanceOf(Sequence::class, $sequence);
430			$this->assertSame(
431			[2, 4],
432			unwrap($sequence),
433			);
434			}
435
436			public function testToSetOf()
437			{
438			$map = (new ObjectKeys('object', 'int'))
439			(new \stdClass, 2)
440			(new \stdClass, 4);
441			$set = $map->toSetOf('int', fn($k, $v) => yield $v);
442
443			$this->assertInstanceOf(Set::class, $set);
444			$this->assertSame(
445			[2, 4],
446			unwrap($set),
447			);
448			}
449
450			public function testToMapOf()
451			{
452			$map = (new ObjectKeys('object', 'int'))
453			($a = new \stdClass, 2)
454			($b = new \stdClass, 4);
455			$map = $map->toMapOf('int', 'object', fn($i, $j) => yield $j => $i);
456
457			$this->assertInstanceOf(Map::class, $map);
458			$this->assertCount(2, $map);
459			$this->assertSame($a, $map->get(2));
460			$this->assertSame($b, $map->get(4));
461			}
462			}
463

Innmind / Immutable

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testGenericObjectTypeAllowedAsKey() A

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