More tests for DataColumn (#250)

tests/Column/DataColumnTest.php

@@ -548,4 +548,235 @@ public function testColumnClasses(): void
                 ->render()
         );
     }
+
+    public function testFilterEmptyDefault(): void
+    {
+        $data = [
+            ['id' => 1, 'status' => 0],
+            ['id' => 2, 'status' => 1],
+        ];
+
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'status',
+                    filter: true,
+                    filterEmpty: true
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<input type="text" name="status"', $output);
+        $this->assertStringContainsString('<td>&nbsp;</td>', $output);
+        $this->assertStringContainsString('<td>1</td>', $output);
+    }
+
+    public function testFilterEmptyCustom(): void
+    {
+        $data = [
+            ['id' => 1, 'status' => 0],
+            ['id' => 2, 'status' => 1],
+        ];
+
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'status',
+                    filter: true,
+                    filterEmpty: fn($value): bool => $value === 0
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<input type="text" name="status"', $output);
+        $this->assertStringContainsString('<td>&nbsp;</td>', $output);
+        $this->assertStringContainsString('<td>1</td>', $output);
+    }
+
+    public function testDropdownFilter(): void
+    {
+        $data = [
+            ['id' => 1, 'status' => 'active'],
+            ['id' => 2, 'status' => 'inactive'],
+        ];
+
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'status',
+                    filter: ['active' => 'Active', 'inactive' => 'Inactive']
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<select name="status"', $output);
+        $this->assertStringContainsString('<option value="active">Active</option>', $output);
+        $this->assertStringContainsString('<option value="inactive">Inactive</option>', $output);
+    }
+
+    public function testHeaderWithoutProperty(): void
+    {
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    content: fn($data) => $data['id']
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($this->data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<th></th>', $output);
+    }
+
+    public function testHeaderWithCustomText(): void
+    {
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    property: 'id',
+                    header: '<b>ID</b>',
+                    encodeHeader: false
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($this->data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<th><b>ID</b></th>', $output);
+    }
+
+    public function testHeaderWithDefaultText(): void
+    {
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn('user_name'),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($this->data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<th>User_name</th>', $output);
+    }
+
+    public function testColumnAndHeaderClass(): void
+    {
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'id',
+                    columnClass: 'column-class',
+                    headerClass: 'header-class'
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($this->data, 10))
+            ->columnGrouping()
+            ->render();
+
+        $this->assertStringContainsString('<col class="column-class"', $output);
+        $this->assertStringContainsString('<th class="header-class"', $output);
+    }
+
+    public function testFilterWithValidationError(): void
+    {
+        $data = [
+            ['id' => 1, 'email' => '[email protected]'],
+            ['id' => 2, 'email' => 'invalid'],
+        ];
+
+        $_GET['email'] = 'not-an-email';
+
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'email',
+                    filter: true,
+                    filterValidation: new \Yiisoft\Validator\Rule\Email()
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($data, 10))
+            ->render();
+
+        $this->assertStringContainsString('name="email"', $output);
+        $this->assertStringContainsString('[email protected]', $output);
+        $this->assertStringContainsString('invalid', $output);
+
+        unset($_GET['email']);
+    }
+
+    public function testSortingWithField(): void
+    {
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'name',
+                    field: 'user.name',
+                    withSorting: true
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($this->data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<th>Name</th>', $output);
+        $this->assertStringContainsString('John', $output);
+        $this->assertStringContainsString('Mary', $output);
+    }
+
+    public function testCustomFilterFactory(): void
+    {
+        $data = [
+            ['id' => 1, 'status' => 'active'],
+            ['id' => 2, 'status' => 'inactive'],
+        ];
+
+        $_GET['status'] = 'active';
+
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'status',
+                    filter: true,
+                    filterFactory: new \Yiisoft\Yii\DataView\Filter\Factory\EqualsFilterFactory()
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<input type="text" name="status"', $output);
+        $this->assertStringContainsString('active', $output);
+
+        unset($_GET['status']);
+    }
+
+    public function testContentWithNullValue(): void
+    {
+        $data = [
+            ['id' => 1, 'name' => null],
+            ['id' => 2, 'name' => 'Mary'],
+        ];
+
+        $output = GridView::widget()
+            ->columns(
+                new DataColumn(
+                    'name',
+                    content: fn($data) => $data['name'] ?? 'N/A'
+                ),
+            )
+            ->id('w1-grid')
+            ->dataReader($this->createOffsetPaginator($data, 10))
+            ->render();
+
+        $this->assertStringContainsString('<td>N/A</td>', $output);
+        $this->assertStringContainsString('<td>Mary</td>', $output);
+    }
 }