public function testCanRenderWithPlaceholder() { $label = $this->builder->label('Email'); $text = $this->builder->text('email'); $formGroup = new FormGroup($label, $text); $formGroup->placeholder('email address'); $expected = '<div class="form-group"><label>Email</label><input type="text" name="email" placeholder="email address"></div>'; $result = $formGroup->render(); $this->assertEquals($expected, $result); }