CSVArray::toArray() returns array<int, array<string, string>> (#7)

CHANGELOG.md

@@ -9,6 +9,12 @@ See [GitHub releases](https://github.com/mll-lab/php-utils/releases).
 
 ## Unreleased
 
+## v1.6.1
+
+### Fixed
+
+- `CSVArray::toArray()` returns `array<int, array<string, string>>`
+
 ## v1.6.0
 
 ### Added

Makefile

@@ -13,8 +13,8 @@ coverage: vendor ## Collects coverage from running unit tests with phpunit
 
 .PHONY: fix
 fix: vendor
-	vendor/bin/php-cs-fixer fix
 	vendor/bin/rector process
+	vendor/bin/php-cs-fixer fix
 
 .PHONY: infection
 infection: vendor ## Runs mutation tests with infection

phpunit.xml

@@ -11,8 +11,8 @@
     </source>
 
     <testsuites>
-        <testsuite name="Unit">
-            <directory>tests/Unit</directory>
+        <testsuite name="Tests">
+            <directory>tests</directory>
         </testsuite>
     </testsuites>
 </phpunit>

rector.php

@@ -5,20 +5,18 @@
 use Rector\Set\ValueObject\SetList;
 
 return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->import(SetList::CODE_QUALITY);
-    $rectorConfig->import(SetList::PHP_71);
-
+    $rectorConfig->sets([
+        SetList::PHP_71,
+        SetList::PHP_72,
+        SetList::PHP_73,
+        SetList::PHP_74,
+        SetList::CODE_QUALITY,
+    ]);
     $rectorConfig->skip([
-        // skip csv test file to keep `\r` and `\n` for readability
         JoinStringConcatRector::class => [
-            // single file
-            __DIR__ . '/tests/Unit/CSVArrayTest.php',
+            __DIR__ . '/tests/CSVArrayTest.php', // keep `\r\n` for readability
         ],
     ]);
-
-    // paths to refactor; solid alternative to CLI arguments
     $rectorConfig->paths([__DIR__ . '/src', __DIR__ . '/tests']);
-
-    // Path to PHPStan with extensions, that PHPStan in Rector uses to determine types
     $rectorConfig->phpstanConfig(__DIR__ . '/phpstan.neon');
 };

src/CSVArray.php

@@ -12,10 +12,11 @@ final class CSVArray
     /**
      * TODO: fix parsing multiline-content in csv.
      *
-     * @return array<int, array<string, CSVPrimitive>>
+     * @return array<int, array<string, string>>
      */
     public static function toArray(string $csv, string $delimiter = ';', string $enclosure = '"', string $escape = '\\'): array
     {
+        /** @var array<int, array<string, string>> $result */
         $result = [];
 
         $lines = StringUtil::splitLines($csv);
@@ -35,6 +36,7 @@ public static function toArray(string $csv, string $delimiter = ';', string $enc
                 continue;
             }
 
+            /** @var array<int, string> $entries */
             $entries = str_getcsv($line, $delimiter, $enclosure, $escape);
             if (count($entries) !== count($columnHeaders)) {
                 throw new \Exception("The number of columns in row {$index} does not match the headers in CSV: {$firstLine}");

tests/Unit/CSVArrayTest.php → tests/CSVArrayTest.php

@@ -5,74 +5,86 @@
 use MLL\Utils\CSVArray;
 use PHPUnit\Framework\TestCase;
 
-class CSVArrayTest extends TestCase
+/**
+ * @phpstan-import-type CSVPrimitive from CSVArray
+ */
+final class CSVArrayTest extends TestCase
 {
-    public const ARRAY_CONTENT = [
-        1 => [
-            'Spalte1' => 'Wert11',
-            'Spalte2' => 'Wert21',
-        ],
-        2 => [
-            'Spalte1' => 'Wert12',
-            'Spalte2' => 'Wert22',
-        ],
-    ];
-
-    public const CSV_CONTENT
-          = "Spalte1;Spalte2\r\n"
-        . "Wert11;Wert21\r\n"
-        . "Wert12;Wert22\r\n";
-
-    protected function setUp(): void
-    {
-        parent::setUp();
-    }
-
-    public function testToArray(): void
+    /** @return iterable<array{string, array<int, array<string, string>>}> */
+    public static function csvAndArrayStringValues(): iterable
     {
-        self::assertSame(
-            self::ARRAY_CONTENT,
-            CSVArray::toArray(self::CSV_CONTENT)
-        );
+        yield [
+            "Spalte1;Spalte2\r\n"
+            . "Wert11;Wert21\r\n"
+            . "Wert12;Wert22\r\n",
+            [
+                1 => [
+                    'Spalte1' => 'Wert11',
+                    'Spalte2' => 'Wert21',
+                ],
+                2 => [
+                    'Spalte1' => 'Wert12',
+                    'Spalte2' => 'Wert22',
+                ],
+            ],
+        ];
+        yield [
+            "empty;int;float;bool;null\r\n"
+            . ";1;2.3;true;null\r\n",
+            [
+                1 => [
+                    'empty' => '',
+                    'int' => '1',
+                    'float' => '2.3',
+                    'bool' => 'true',
+                    'null' => 'null',
+                ],
+            ],
+        ];
     }
 
-    public function testToCSV(): void
+    /**
+     * @dataProvider csvAndArrayStringValues
+     *
+     * @param array<int, array<string, string>> $array
+     */
+    public function testStringValues(string $csv, array $array): void
     {
-        self::assertSame(
-            self::CSV_CONTENT,
-            CSVArray::toCSV(self::ARRAY_CONTENT)
-        );
+        self::assertSame($array, CSVArray::toArray($csv));
+        self::assertSame($csv, CSVArray::toCSV($array));
     }
 
-    public function testToCSVAndToArrayAreInverse(): void
+    public function testEscapesDelimiter(): void
     {
         self::assertSame(
-            self::ARRAY_CONTENT,
-            CSVArray::toArray(
-                CSVArray::toCSV(self::ARRAY_CONTENT)
-            )
-        );
-
-        self::assertSame(
-            self::CSV_CONTENT,
+            "foo\r\n"
+            . "\"bar;baz\"\r\n",
             CSVArray::toCSV(
-                CSVArray::toArray(self::CSV_CONTENT)
+                [
+                    1 => [
+                        'foo' => 'bar;baz',
+                    ],
+                ]
             )
         );
     }
 
-    public function testEscapesDelimiter(): void
+    public function testPrimitives(): void
     {
         self::assertSame(
-            "foo\r\n"
-            . "\"bar;baz\"\r\n",
+            "empty;int;float;bool;null\r\n"
+            . ";1;2.3;1;\r\n",
             CSVArray::toCSV(
                 [
                     1 => [
-                        'foo' => 'bar;baz',
+                        'empty' => '',
+                        'int' => 1,
+                        'float' => 2.3,
+                        'bool' => true,
+                        'null' => null,
                     ],
-                ]
-            )
+                ],
+            ),
         );
     }
 

tests/Unit/NumberTest.php → tests/NumberTest.php

@@ -1,6 +1,6 @@
 <?php declare(strict_types=1);
 
-namespace MLL\Utils\Tests\Unit;
+namespace MLL\Utils\Tests;
 
 use MLL\Utils\Number;
 use PHPUnit\Framework\TestCase;

tests/Unit/StringUtilTest.php → tests/StringUtilTest.php

@@ -1,6 +1,6 @@
 <?php declare(strict_types=1);
 
-namespace MLL\Utils\Tests\Unit;
+namespace MLL\Utils\Tests;
 
 use MLL\Utils\StringUtil;
 use PHPUnit\Framework\TestCase;