test: min search length

Author: yajra

tests/Integration/MinSearchLengthDataTableTest.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace Yajra\DataTables\Tests\Integration;
+
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Illuminate\Support\Facades\Route;
+use PHPUnit\Framework\Attributes\Test;
+use Yajra\DataTables\EloquentDataTable;
+use Yajra\DataTables\Tests\Models\User;
+use Yajra\DataTables\Tests\TestCase;
+
+class MinSearchLengthDataTableTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    #[Test]
+    public function it_returns_all_records_when_search_is_empty()
+    {
+        $crawler = $this->call('GET', '/eloquent/min-length', [
+            'start' => 0,
+            'length' => 10,
+            'columns' => [
+                ['data' => 'id'],
+                ['data' => 'name'],
+                ['data' => 'email'],
+            ],
+            'search' => [
+                'value' => '',
+                'regex' => false,
+            ],
+        ]);
+
+        $crawler->assertJson([
+            'draw' => 0,
+            'recordsTotal' => 20,
+            'recordsFiltered' => 20,
+        ]);
+    }
+
+    #[Test]
+    public function it_returns_an_error_when_search_keyword_length_is_less_than_required()
+    {
+        $crawler = $this->call('GET', '/eloquent/min-length', [
+            'start' => 0,
+            'length' => 10,
+            'columns' => [
+                ['data' => 'id'],
+                ['data' => 'name'],
+                ['data' => 'email'],
+            ],
+            'search' => [
+                'value' => 'abc',
+                'regex' => false,
+            ],
+        ]);
+
+        $crawler->assertJson([
+            'draw' => 0,
+            'recordsTotal' => 0,
+            'recordsFiltered' => 0,
+            'data' => [],
+            'error' => "Exception Message:\n\nPlease enter at least 5 characters to search.",
+        ]);
+    }
+
+    #[Test]
+    public function it_returns_filtered_records_when_search_keyword_length_is_met()
+    {
+        $crawler = $this->call('GET', '/eloquent/min-length', [
+            'draw' => 1,
+            'start' => 0,
+            'length' => 10,
+            'columns' => [
+                ['data' => 'id'],
+                ['data' => 'name'],
+                ['data' => 'email'],
+            ],
+            'search' => [
+                'value' => 'Record-17',
+                'regex' => false,
+            ],
+        ]);
+
+        $crawler->assertJson([
+            'draw' => 1,
+            'recordsTotal' => 20,
+            'recordsFiltered' => 1,
+        ]);
+    }
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        Route::get('/eloquent/min-length', fn() => (new EloquentDataTable(User::query()))
+            ->minSearchLength(5)
+            ->toJson());
+    }
+}