Add Informative Validators.

app/Models/Validation/Messages/InformativeValidator.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models\Validation\Messages;
+
+use App\Models\Validation\Validators\Validator;
+
+abstract class InformativeValidator extends Validator {
+    protected Validator $validator;
+    protected string $message;
+
+    public function isCurrentValid(): bool
+    {
+        return $this->validator->isCurrentValid();
+    }
+
+    public function isValid(): bool
+    {
+        return $this->validator->isValid();
+    }
+
+    public function setValidator($validator): void
+    {
+        $this->validator = $validator;
+    }
+
+    public function setMessage($message): void
+    {
+        $this->message = $message;
+    }
+
+    public function getMessage(): string
+    {
+        if(!$this->isCurrentValid())
+            return $this->message;
+
+        return $this->nextValidator->getMessage();
+    }
+
+    public function okStatus(): array
+    {
+        if(!$this->isCurrentValid())
+            return ['error' => $this->message];
+
+        return $this->nextValidator->okStatus();
+    }
+}
+

app/Models/Validation/Messages/OkInformativeValidator.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models\Validation\Messages;
+
+use App\Models\Validation\Messages\InformativeValidator;
+use App\Models\Validation\Validators\OkValidator;
+
+class OkInformativeValidator extends InformativeValidator {
+    public function __construct($message)
+    {
+        $this->message = $message;
+        $this->validator = new OkValidator();
+    }
+
+    public function getMessage(): string
+    {
+        return $this->message;
+    }
+
+    public function okStatus(): array
+    {
+        return ['ok' => $this->getMessage()];
+    }
+}
+

app/Models/Validation/Messages/UpperRangeInformativeValidator.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models\Validation\Messages;
+
+use App\Models\Validation\Messages\InformativeValidator;
+use App\Models\Validation\Validators\UpperRangeValidator;
+
+class UpperRangeInformativeValidator extends InformativeValidator {
+    protected InformativeValidator $nextValidator;
+
+    public function __construct(string $message, UpperRangeValidator $validator, InformativeValidator $nextValidator)
+    {
+        $this->setMessage($message);
+        $this->setValidator($validator);
+        $this->nextValidator = $nextValidator;
+    }
+}
+

tests/Unit/Validation/Messages/OkInformativeValidatorTest.php

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+<?php
+
+namespace Tests\Unit;
+
+use PHPUnit\Framework\TestCase;
+
+use App\Models\Validation\Messages\OkInformativeValidator;
+
+class OkInformativeValidatorTest extends TestCase
+{
+    public function testIsValid(): void
+    {
+        $message = 'All fine';
+        $validator = new OkInformativeValidator($message);
+
+        $this->assertTrue($validator->isValid());
+    }
+
+    public function testGetMessage(): void
+    {
+        $message = 'All fine';
+        $validator = new OkInformativeValidator($message);
+
+        $this->assertEquals($validator->getMessage(), $message);
+    }
+}

tests/Unit/Validation/Messages/UpperRangeInformativeValidatorTest.php

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+<?php
+
+namespace Tests\Unit;
+
+use PHPUnit\Framework\TestCase;
+
+use App\Models\Validation\Messages\UpperRangeInformativeValidator;
+use App\Models\Validation\Messages\OkInformativeValidator;
+use App\Models\Validation\Validators\UpperRangeValidator;
+use App\Models\Validation\Validators\OkValidator;
+
+class UpperRangeInformativeValidatorTest extends TestCase
+{
+    protected $messages = [
+        'ok' => 'valid',
+        'error' => 'invalid',
+    ];
+
+    public function dataProvider() {
+        return [
+            'Valid Case for 10' => [
+                'value' => 10,
+                'limit' => 10,
+                'isValid' => true,
+                'message' => $this->messages['ok'],
+            ],
+            'Valid Case for 255' => [
+                'value' => 0,
+                'limit' => 255,
+                'isValid' => true,
+                'message' => $this->messages['ok'],
+            ],
+            'Invalid Case for 10' => [
+                'value' => 11,
+                'limit' => 10,
+                'isValid' => false,
+                'message' => $this->messages['error'],
+            ],
+            'Invalid Case for 255' => [
+                'value' => 256,
+                'limit' => 255,
+                'isValid' => false,
+                'message' => $this->messages['error'],
+            ],
+        ];
+    }
+
+    public function setUpValidator(int $value, int $rangeLimit): UpperRangeInformativeValidator
+    {
+        $upperRangeValidator = new UpperRangeValidator($value, $rangeLimit, new OkValidator());
+
+        return new UpperRangeInformativeValidator(
+            $this->messages['error'],
+            $upperRangeValidator,
+            new OkInformativeValidator($this->messages['ok']),
+        );
+    }
+
+    /**
+     * @dataProvider dataProvider
+     */
+    public function testGetMessage(int $value, int $limit, bool $isValid, string $message): void
+    {
+        $validator = $this->setUpValidator($value, $limit);
+
+        $this->assertEquals($validator->isValid(), $isValid);
+        $this->assertEquals($validator->getMessage(), $message);
+    }
+}