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test at_most, exactly
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+288
-31
lines changed

7 files changed

+288
-31
lines changed

‎composer.json‎

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@@ -32,6 +32,8 @@
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"src/Contains.php",
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"src/All.php",
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"src/AtLeast.php",
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"src/AtMost.php",
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"src/Exactly.php",
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"src/Add.php",
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"src/Set.php",
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"src/Pipe.php",

‎src/AtMost.php‎

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<?php
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declare(strict_types=1);
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namespace BrenoRoosevelt;
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/**
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* Evaluates whether <b>at most n</b> elements match the specification
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*
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* @param int $n The number to check
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* @param iterable $items The collection
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* @param callable $callback Callable must return a boolean
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* @param int $mode [optional] <p>
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* Flag determining what arguments are sent to <i>callback</i>:
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* </p><ul>
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* <li>
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* <b>CALLBACK_USE_VALUE</b> - <b>default</b> pass value as the only argument
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* </li>
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* <li>
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* <b>CALLBACK_USE_KEY</b> - pass key as the only argument
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* to <i>callback</i> instead of the value</span>
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* </li>
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* <li>
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* <b>CALLBACK_USE_BOTH</b> - pass both value and key as
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* arguments to <i>callback</i></span>
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* </li>
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* </ul>
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* @return bool
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*/
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function at_most(int $n, iterable $items, callable $callback, int $mode = CALLBACK_USE_VALUE): bool
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{
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$count = 0;
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foreach ($items as $key => $value) {
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if (true === call_user_func_array($callback, __args($mode, $key, $value))) {
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$count++;
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if ($count > $n) {
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return false;
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}
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}
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}
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return $count <= $n;
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}

‎src/Exactly.php‎

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<?php
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declare(strict_types=1);
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namespace BrenoRoosevelt;
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/**
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* Evaluates whether <b>exactly n</b> elements match the specification
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*
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* @param int $n The number to check
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* @param iterable $items The collection
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* @param callable $callback Callable must return a boolean
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* @param int $mode [optional] <p>
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* Flag determining what arguments are sent to <i>callback</i>:
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* </p><ul>
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* <li>
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* <b>CALLBACK_USE_VALUE</b> - <b>default</b> pass value as the only argument
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* </li>
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* <li>
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* <b>CALLBACK_USE_KEY</b> - pass key as the only argument
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* to <i>callback</i> instead of the value</span>
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* </li>
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* <li>
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* <b>CALLBACK_USE_BOTH</b> - pass both value and key as
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* arguments to <i>callback</i></span>
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* </li>
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* </ul>
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* @return bool
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*/
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function exactly(int $n, iterable $items, callable $callback, int $mode = CALLBACK_USE_VALUE): bool
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{
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$count = 0;
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foreach ($items as $key => $value) {
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if (true === call_user_func_array($callback, __args($mode, $key, $value))) {
34+
$count++;
35+
if ($count > $n) {
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return false;
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}
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}
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}
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return $count === $n;
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}

‎src/array_functions.php‎

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@@ -13,36 +13,6 @@ function none(iterable $items, callable $callback, int $mode = 0): bool
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return ! some($items, $callback, $mode);
1414
}
1515

16-
function at_most(int $n, iterable $items, callable $callback, int $mode = CALLBACK_USE_VALUE): bool
17-
{
18-
$count = 0;
19-
foreach ($items as $key => $value) {
20-
if (true === call_user_func_array($callback, __args($mode, $key, $value))) {
21-
$count++;
22-
if ($count > $n) {
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return false;
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}
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}
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}
27-
28-
return $count <= $n;
29-
}
30-
31-
function exactly(int $n, iterable $items, callable $callback, int $mode = CALLBACK_USE_VALUE): bool
32-
{
33-
$count = 0;
34-
foreach ($items as $key => $value) {
35-
if (true === call_user_func_array($callback, __args($mode, $key, $value))) {
36-
$count++;
37-
if ($count > $n) {
38-
return false;
39-
}
40-
}
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}
42-
43-
return $count === $n;
44-
}
45-
4616
function first(iterable $items, callable $callback, $default = null, int $mode = CALLBACK_USE_VALUE)
4717
{
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foreach ($items as $key => $value) {

‎tests/AtLeastTest.php‎

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@@ -15,7 +15,7 @@ public function atLeastProvider(): array
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{
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return [
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'case_1' => [
18-
0,
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0, // n
1919
['a', 'b', 'c'], // collection
2020
fn($el) => false, // callback
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CALLBACK_USE_VALUE, // mode

‎tests/AtMostTest.php‎

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<?php
2+
declare(strict_types=1);
3+
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namespace BrenoRoosevelt\Tests;
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6+
use PHPUnit\Framework\TestCase;
7+
use function BrenoRoosevelt\at_most;
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use const BrenoRoosevelt\CALLBACK_USE_BOTH;
9+
use const BrenoRoosevelt\CALLBACK_USE_KEY;
10+
use const BrenoRoosevelt\CALLBACK_USE_VALUE;
11+
12+
class AtMostTest extends TestCase
13+
{
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public function atMostProvider(): array
15+
{
16+
return [
17+
'case_1' => [
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0, // n
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['a', 'b', 'c'], // collection
20+
fn($el) => false, // callback
21+
CALLBACK_USE_VALUE, // mode
22+
true, // expected
23+
],
24+
'case_2' => [
25+
4,
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['a', 'b', 'c'],
27+
fn($el) => true,
28+
CALLBACK_USE_VALUE,
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true,
30+
],
31+
'case_3' => [
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1,
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[],
34+
fn($el) => true,
35+
CALLBACK_USE_VALUE,
36+
true,
37+
],
38+
'case_3_1' => [
39+
0,
40+
[],
41+
fn($el) => true,
42+
CALLBACK_USE_VALUE,
43+
true,
44+
],
45+
'case_3_2' => [
46+
-1,
47+
[],
48+
fn($el) => true,
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CALLBACK_USE_VALUE,
50+
false,
51+
],
52+
'case_4' => [
53+
1,
54+
[1, 2, 3, 4],
55+
fn($el) => $el % 2 === 0,
56+
CALLBACK_USE_VALUE,
57+
false,
58+
],
59+
'case_5' => [
60+
4,
61+
[1, 2, 3, 4],
62+
fn($el) => $el % 2 === 0,
63+
CALLBACK_USE_VALUE,
64+
true,
65+
],
66+
'case_6' => [
67+
3,
68+
[1, 2, 3, 4],
69+
fn($key) => is_integer($key),
70+
CALLBACK_USE_KEY,
71+
false,
72+
],
73+
'case_7' => [
74+
0,
75+
['a' => 1, 'b' => 2, 'c' => 3, 4],
76+
fn($v, $key) => is_integer($key) && is_integer($v),
77+
CALLBACK_USE_BOTH,
78+
false,
79+
]
80+
];
81+
}
82+
83+
/**
84+
* @param int $n
85+
* @param iterable $items
86+
* @param callable $callback
87+
* @param int $mode
88+
* @param bool $expected
89+
* @return void
90+
* @dataProvider atMostProvider
91+
*/
92+
public function testAtMost(int $n, iterable $items, callable $callback, int $mode, bool $expected): void
93+
{
94+
$actual = at_most($n, $items, $callback, $mode);
95+
$this->assertEquals($expected, $actual);
96+
}
97+
}

‎tests/ExactlyTest.php‎

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<?php
2+
declare(strict_types=1);
3+
4+
namespace BrenoRoosevelt\Tests;
5+
6+
use PHPUnit\Framework\TestCase;
7+
use function BrenoRoosevelt\exactly;
8+
use const BrenoRoosevelt\CALLBACK_USE_BOTH;
9+
use const BrenoRoosevelt\CALLBACK_USE_KEY;
10+
use const BrenoRoosevelt\CALLBACK_USE_VALUE;
11+
12+
class ExactlyTest extends TestCase
13+
{
14+
public function exactlyProvider(): array
15+
{
16+
return [
17+
'case_1' => [
18+
0, // n
19+
['a', 'b', 'c'], // collection
20+
fn($el) => false, // callback
21+
CALLBACK_USE_VALUE, // mode
22+
true, // expected
23+
],
24+
'case_2' => [
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3,
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['a', 'b', 'c'],
27+
fn($el) => true,
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CALLBACK_USE_VALUE,
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true,
30+
],
31+
'case_3' => [
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1,
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[],
34+
fn($el) => true,
35+
CALLBACK_USE_VALUE,
36+
false,
37+
],
38+
'case_3_1' => [
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0,
40+
[],
41+
fn($el) => true,
42+
CALLBACK_USE_VALUE,
43+
true,
44+
],
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'case_3_2' => [
46+
-1,
47+
[],
48+
fn($el) => true,
49+
CALLBACK_USE_VALUE,
50+
false,
51+
],
52+
'case_4' => [
53+
1,
54+
[1, 2, 3, 4],
55+
fn($el) => $el % 2 === 0,
56+
CALLBACK_USE_VALUE,
57+
false,
58+
],
59+
'case_5' => [
60+
2,
61+
[1, 2, 3, 4],
62+
fn($el) => $el % 2 === 0,
63+
CALLBACK_USE_VALUE,
64+
true,
65+
],
66+
'case_6' => [
67+
3,
68+
[1, 2, 3, 4],
69+
fn($key) => is_integer($key),
70+
CALLBACK_USE_KEY,
71+
false,
72+
],
73+
'case_6_1' => [
74+
1,
75+
[1, 2, 3, 4, 'a' => 5],
76+
fn($key) => is_string($key),
77+
CALLBACK_USE_KEY,
78+
true,
79+
],
80+
'case_7' => [
81+
1,
82+
['a' => 1, 'b' => 2, 'c' => 3, 4],
83+
fn($v, $key) => is_integer($key) && is_integer($v),
84+
CALLBACK_USE_BOTH,
85+
true,
86+
]
87+
];
88+
}
89+
90+
/**
91+
* @param int $n
92+
* @param iterable $items
93+
* @param callable $callback
94+
* @param int $mode
95+
* @param bool $expected
96+
* @return void
97+
* @dataProvider exactlyProvider
98+
*/
99+
public function testExactly(int $n, iterable $items, callable $callback, int $mode, bool $expected): void
100+
{
101+
$actual = exactly($n, $items, $callback, $mode);
102+
$this->assertEquals($expected, $actual);
103+
}
104+
}

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