filter tests

src/Filters/Select.php

@@ -26,7 +26,7 @@ public function getValue(Request $request): mixed
     {
         $default = parent::getValue($request);
 
-        return $this->multiple ? Arr::wrap($default) : $default;
+        return $this->isMultiple() ? Arr::wrap($default) : $default;
     }
 
     /**
@@ -39,6 +39,14 @@ public function multiple(bool $value = true): static
         return $this;
     }
 
+    /**
+     * Determine if the filter is multiple.
+     */
+    public function isMultiple(): bool
+    {
+        return $this->multiple;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -49,6 +57,6 @@ public function toField(): Field
                 return $this->options($request);
             }))
             ->value(fn (Request $request): mixed => $this->getValue($request))
-            ->multiple($this->multiple);
+            ->multiple($this->isMultiple());
     }
 }

tests/Filters/FilterTest.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Cone\Root\Tests\Filters;
+
+use Cone\Root\Filters\Filter;
+use Cone\Root\Tests\TestCase;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Http\Request;
+
+class FilterTest extends TestCase
+{
+    protected Filter $filter;
+
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        $this->filter = new class() extends Filter
+        {
+            public function __construct()
+            {
+                $this->setKey('foo');
+            }
+
+            public function getName(): string
+            {
+                return 'Test Filter';
+            }
+
+            public function apply(Request $request, Builder $query, mixed $value): Builder
+            {
+                return $query;
+            }
+        };
+    }
+
+    public function test_a_filter_has_keys(): void
+    {
+        $this->assertSame('foo', $this->filter->getKey());
+        $this->assertSame('foo', $this->filter->getRequestKey());
+    }
+
+    public function test_a_filter_has_name(): void
+    {
+        $this->assertSame('Test Filter', $this->filter->getName());
+    }
+
+    public function test_a_filter_resolves_value_from_request(): void
+    {
+        $this->app['request']->merge(['foo' => 'value']);
+
+        $this->assertSame(
+            'value', $this->filter->getValue($this->app['request'])
+        );
+    }
+
+    public function test_a_filter_can_be_active(): void
+    {
+        $this->app['request']->merge(['foo' => 'value']);
+
+        $this->assertTrue($this->filter->isActive($this->app['request']));
+    }
+}

tests/Filters/SelectFilterTest.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Cone\Root\Tests\Filters;
+
+use Cone\Root\Filters\Select;
+use Cone\Root\Tests\TestCase;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Http\Request;
+
+class SelectFilterTest extends TestCase
+{
+    protected Select $filter;
+
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        $this->filter = new class() extends Select
+        {
+            public function __construct()
+            {
+                $this->setKey('foo');
+            }
+
+            public function apply(Request $request, Builder $query, mixed $value): Builder
+            {
+                return $query;
+            }
+
+            public function options(Request $request): array
+            {
+                return [
+                    'test' => 'value',
+                    'foo' => 'bar',
+                ];
+            }
+        };
+    }
+
+    public function test_a_select_filter_has_options(): void
+    {
+        $this->assertSame(
+            ['test' => 'value', 'foo' => 'bar'],
+            $this->filter->options($this->app['request'])
+        );
+    }
+
+    public function test_a_select_filter_can_have_multiple_values(): void
+    {
+        $this->app['request']->merge(['foo' => 'value']);
+
+        $this->assertFalse($this->filter->isMultiple());
+        $this->assertSame(
+            'value', $this->filter->getValue($this->app['request'])
+        );
+
+        $this->filter->multiple();
+
+        $this->assertTrue($this->filter->isMultiple());
+        $this->assertSame(
+            ['value'], $this->filter->getValue($this->app['request'])
+        );
+    }
+}