test expand

Author: brenoroosevelt

composer.json

@@ -34,6 +34,7 @@
             "src/Set.php",
             "src/Pipe.php",
             "src/Flatten.php",
+            "src/Expand.php",
             "src/DotNotation.php",
             "src/Remove.php",
             "src/array_functions.php"

src/DotNotation.php

@@ -3,21 +3,6 @@
 
 namespace BrenoRoosevelt;
 
-/**
- * @param array $items
- * @param string $separator
- * @return array
- */
-function expand(array $items, string $separator = '.'): array
-{
-    $result = [];
-    foreach ($items as $key => $value) {
-        set_path($result, (string) $key, $value, $separator);
-    }
-
-    return $result;
-}
-
 /**
  * @param array $haystack
  * @param string $path

src/Expand.php

@@ -0,0 +1,19 @@
+<?php
+declare(strict_types=1);
+
+namespace BrenoRoosevelt;
+
+/**
+ * @param array $items
+ * @param string $separator
+ * @return array
+ */
+function expand(array $items, string $separator = '.'): array
+{
+    $result = [];
+    foreach ($items as $key => $value) {
+        set_path($result, (string) $key, $value, $separator);
+    }
+
+    return $result;
+}

tests/ExpandTest.php

@@ -0,0 +1,72 @@
+<?php
+declare(strict_types=1);
+
+namespace BrenoRoosevelt\Tests;
+
+use PHPUnit\Framework\TestCase;
+use function BrenoRoosevelt\expand;
+
+class ExpandTest extends TestCase
+{
+    public function expandProvider(): array
+    {
+        return [
+            'case_1' => [
+                ['x' => 'a', 'y.0' => 'b', 'y.1.z' => 'c', 'y.2' => 'd'],
+                '.',
+                ['x' => 'a', 'y' => ['b', ['z' => 'c'], 'd']],
+            ],
+            'case_2' => [
+                ['x' => 'a', 'y\\0' => 'b', 'y\\1\\z' => 'c', 'y\\2' => 'd'],
+                '\\',
+                ['x' => 'a', 'y' => ['b', ['z' => 'c'], 'd']],
+            ],
+            'case_3' => [
+                [
+                    '0.Post.id' => '1',
+                    '0.Post.author_id' => '1',
+                    '0.Post.title' => '1st post',
+                    '0.Author.id' => '1',
+                    '0.Author.user' => 'spencer',
+                    '0.Author.password' => 'pwd',
+                    '1.Post.id' => '2',
+                    '1.Post.author_id' => '3',
+                    '1.Post.title' => '2nd Post',
+                    '1.Post.body' => '2nd post body',
+                    '1.Author.id' => '3',
+                    '1.Author.user' => 'mary',
+                    '1.Author.password' => null,
+                ],
+                '.',
+                [
+                    [
+                        'Post' => ['id' => '1', 'author_id' => '1', 'title' => '1st post'],
+                        'Author' => ['id' => '1', 'user' => 'spencer', 'password' => 'pwd'],
+                    ],
+                    [
+                        'Post' => ['id' => '2', 'author_id' => '3', 'title' => '2nd Post', 'body' => '2nd post body'],
+                        'Author' => ['id' => '3', 'user' => 'mary', 'password' => null],
+                    ],
+                ],
+            ],
+            'case_4' => [
+                [],
+                '.',
+                []
+            ],
+        ];
+    }
+
+    /**
+     * @param array $items
+     * @param string|null $separator
+     * @param array $expected
+     * @return void
+     * @dataProvider expandProvider
+     */
+    public function testExpand(array $items, string $separator, array $expected): void
+    {
+        $result = expand($items, $separator);
+        $this->assertEquals($expected, $result);
+    }
+}

tests/FlattenTest.php

@@ -8,7 +8,7 @@
 
 class FlattenTest extends TestCase
 {
-    public function flattenProvider(): array
+    public function dataProvider(): array
     {
         return [
             'case_1' => [
@@ -82,7 +82,7 @@ public function flattenProvider(): array
      * @param string|null $separator
      * @param array $expected
      * @return void
-     * @dataProvider flattenProvider
+     * @dataProvider dataProvider
      */
     public function testFlatten(array $items, ?string $separator, array $expected): void
     {