Test cases

Author: Zany101

src/Transformer/BooleanTransformer.php

@@ -6,12 +6,12 @@
 
 class BooleanTransformer implements TransformerInterface
 {
-    public function transform(mixed $data): bool
+    public function transform($data): bool
     {
         return filter_var($data, FILTER_VALIDATE_BOOLEAN);
     }
 
-    public function reverse(bool $data): string
+    public function reverse($data): string
     {
         return $data ? 'true' : 'false';
     }

src/Transformer/CapitalizationTransformer.php

@@ -6,12 +6,12 @@
 
 class CapitalizationTransformer implements TransformerInterface
 {
-    public function transform(string $data): string
+    public function transform($data): string
     {
         return strtoupper($data);
     }
 
-    public function reverse(string $data): string
+    public function reverse($data): string
     {
         return strtolower($data);
     }

src/Transformer/DateTimeTransformer.php

@@ -6,12 +6,12 @@
 
 class DateTimeTransformer implements TransformerInterface
 {
-    public function transform(string $data): \DateTimeInterface
+    public function transform($data): \DateTimeInterface
     {
         return new \DateTimeImmutable($data);
     }
 
-    public function reverse(\DateTimeInterface $data): string
+    public function reverse($data): string
     {
         return $data->format('Y-m-d H:i:s');
     }

src/Transformer/FloatTransformer.php

@@ -6,12 +6,12 @@
 
 class FloatTransformer implements TransformerInterface
 {
-    public function transform(mixed $data): float
+    public function transform($data): float
     {
         return (float) $data;
     }
 
-    public function reverse(float $data): string
+    public function reverse($data): string
     {
         return (string) $data;
     }

src/Transformer/IntegerTransformer.php

@@ -6,12 +6,12 @@
 
 class IntegerTransformer implements TransformerInterface
 {
-    public function transform(mixed $data): int
+    public function transform($data): int
     {
         return (int) $data;
     }
 
-    public function reverse(int $data): string
+    public function reverse($data): string
     {
         return (string) $data;
     }

src/Transformer/JsonTransformer.php

@@ -6,12 +6,12 @@
 
 class JsonTransformer implements TransformerInterface
 {
-    public function transform(string $data): mixed
+    public function transform($data): mixed
     {
         return json_decode($data, true);
     }
 
-    public function reverse(mixed $data): string
+    public function reverse($data): string
     {
         return json_encode($data);
     }

src/Transformer/LowercaseTransformer.php

@@ -6,12 +6,12 @@
 
 class LowercaseTransformer implements TransformerInterface
 {
-    public function transform(string $data): string
+    public function transform($data): string
     {
         return strtolower($data);
     }
 
-    public function reverse(string $data): string
+    public function reverse($data): string
     {
         return strtoupper($data);
     }

src/Transformer/SlugTransformer.php

@@ -6,13 +6,14 @@
 
 class SlugTransformer implements TransformerInterface
 {
-    public function transform(string $data): string
+    public function transform($data): string
     {
-        // Simple slugify example
-        return strtolower(trim(preg_replace('/[^A-Za-z0-9-]+/', '-', $data)));
+        $slug = preg_replace('/[^A-Za-z0-9-]+/', '-', $data);
+        $slug = trim($slug, '-');
+        return strtolower($slug);
     }
 
-    public function reverse(string $data): string
+    public function reverse($data): string
     {
         return str_replace('-', ' ', $data);
     }

src/Transformer/TimestampTransformer.php

@@ -6,12 +6,12 @@
 
 class TimestampTransformer implements TransformerInterface
 {
-    public function transform(string|int $data): \DateTimeInterface
+    public function transform($data): \DateTimeInterface
     {
-        return (new \DateTimeImmutable())->setTimestamp((int)$data);
+        return new \DateTimeImmutable("@".(int)$data);
     }
 
-    public function reverse(\DateTimeInterface $data): int
+    public function reverse($data): int
     {
         return $data->getTimestamp();
     }

src/Transformer/TrimTransformer.php

@@ -6,12 +6,12 @@
 
 class TrimTransformer implements TransformerInterface
 {
-    public function transform(string $data): string
+    public function transform($data): string
     {
         return trim($data);
     }
 
-    public function reverse(string $data): string
+    public function reverse($data): string
     {
         return $data;
     }