From a8c0c47939999516bc5e4623d8b0e4099f0734d3 Mon Sep 17 00:00:00 2001
From: Sergey Savchenko <sergey@laconicastudio.com>
Date: Fri, 15 Dec 2017 13:02:48 +0200
Subject: [PATCH 1/2] Grid filtration doesn't work for mysql special characters

  - added escaping for filter input value
---
 app/code/Magento/Ui/Component/Filters/Type/Input.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/Magento/Ui/Component/Filters/Type/Input.php b/app/code/Magento/Ui/Component/Filters/Type/Input.php
index cbcb33ffcca04..9cc060ae58172 100644
--- a/app/code/Magento/Ui/Component/Filters/Type/Input.php
+++ b/app/code/Magento/Ui/Component/Filters/Type/Input.php
@@ -65,7 +65,7 @@ public function prepare()
     protected function applyFilter()
     {
         if (isset($this->filterData[$this->getName()])) {
-            $value = $this->filterData[$this->getName()];
+            $value = str_replace(['%', '_'], ['\%', '\_'], $this->filterData[$this->getName()]);
 
             if (!empty($value)) {
                 $filter = $this->filterBuilder->setConditionType('like')

From 17a817ce5ea5a05bb767964d7d552b9dcfe93e7f Mon Sep 17 00:00:00 2001
From: Sergey Savchenko <sergey@laconicastudio.com>
Date: Fri, 15 Dec 2017 14:42:52 +0200
Subject: [PATCH 2/2] Grid filtration doesn't work for mysql special characters

  - test has been fixed.
  - new test-case has been added.
---
 .../Unit/Component/Filters/Type/InputTest.php | 41 +++++++++++++++----
 1 file changed, 33 insertions(+), 8 deletions(-)

diff --git a/app/code/Magento/Ui/Test/Unit/Component/Filters/Type/InputTest.php b/app/code/Magento/Ui/Test/Unit/Component/Filters/Type/InputTest.php
index ed571f44dd6e9..d814fdcd153da 100644
--- a/app/code/Magento/Ui/Test/Unit/Component/Filters/Type/InputTest.php
+++ b/app/code/Magento/Ui/Test/Unit/Component/Filters/Type/InputTest.php
@@ -111,8 +111,7 @@ public function testPrepare($name, $filterData, $expectedCondition)
             ->method('addComponentDefinition')
             ->with(Input::NAME, ['extends' => Input::NAME]);
         $this->contextMock->expects($this->any())
-            ->method('getRequestParam')
-            ->with(UiContext::FILTER_VAR)
+            ->method('getFiltersParams')
             ->willReturn($filterData);
         $dataProvider = $this->getMockForAbstractClass(
             \Magento\Framework\View\Element\UiComponent\DataProvider\DataProviderInterface::class,
@@ -120,20 +119,41 @@ public function testPrepare($name, $filterData, $expectedCondition)
             '',
             false
         );
+
         $this->contextMock->expects($this->any())
             ->method('getDataProvider')
             ->willReturn($dataProvider);
-        if ($expectedCondition !== null) {
-            $dataProvider->expects($this->any())
-                ->method('addFilter')
-                ->with($expectedCondition, $name);
-        }
 
         $this->uiComponentFactory->expects($this->any())
             ->method('create')
             ->with($name, Input::COMPONENT, ['context' => $this->contextMock])
             ->willReturn($uiComponent);
 
+        if ($expectedCondition !== null) {
+            $this->filterBuilderMock->expects($this->once())
+                ->method('setConditionType')
+                ->with('like')
+                ->willReturnSelf();
+
+            $this->filterBuilderMock->expects($this->once())
+                ->method('setField')
+                ->with($name)
+                ->willReturnSelf();
+
+            $this->filterBuilderMock->expects($this->once())
+                ->method('setValue')
+                ->with($expectedCondition['like'])
+                ->willReturnSelf();
+
+            $filterMock = $this->getMockBuilder(\Magento\Framework\Api\Filter::class)
+                ->disableOriginalConstructor()
+                ->getMock();
+
+            $this->filterBuilderMock->expects($this->once())
+                ->method('create')
+                ->willReturn($filterMock);
+        }
+
         $date = new Input(
             $this->contextMock,
             $this->uiComponentFactory,
@@ -160,7 +180,12 @@ public function getPrepareDataProvider()
             [
                 'test_date',
                 ['test_date' => 'some_value'],
-                ['like' => '%some_value%'],
+                ['like' => '%some\_value%'],
+            ],
+            [
+                'test_date',
+                ['test_date' => '%'],
+                ['like' => '%\%%'],
             ],
         ];
     }