[Discover] Encode context link filter part (#63831)

* Encode filter part of the URI for context

* Add functional test agent filter with whitespace

Author: kertal

src/plugins/discover/public/application/angular/doc_table/components/table_row.ts

@@ -112,13 +112,17 @@ export function createTableRowDirective($compile: ng.ICompileService, $httpParam
         const globalFilters: any = getServices().filterManager.getGlobalFilters();
         const appFilters: any = getServices().filterManager.getAppFilters();
         const hash = $httpParamSerializer({
-          _g: rison.encode({
-            filters: globalFilters || [],
-          }),
-          _a: rison.encode({
-            columns: $scope.columns,
-            filters: (appFilters || []).map(esFilters.disableFilter),
-          }),
+          _g: encodeURI(
+            rison.encode({
+              filters: globalFilters || [],
+            })
+          ),
+          _a: encodeURI(
+            rison.encode({
+              columns: $scope.columns,
+              filters: (appFilters || []).map(esFilters.disableFilter),
+            })
+          ),
         });
 
         return `${path}?${hash}`;

test/functional/apps/context/_context_navigation.js

@@ -23,6 +23,10 @@ const TEST_COLUMN_NAMES = ['@message'];
 const TEST_FILTER_COLUMN_NAMES = [
   ['extension', 'jpg'],
   ['geo.src', 'IN'],
+  [
+    'agent',
+    'Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.50 Safari/534.24',
+  ],
 ];
 
 export default function({ getService, getPageObjects }) {
@@ -56,7 +60,7 @@ export default function({ getService, getPageObjects }) {
       await browser.goBack();
       await PageObjects.discover.waitForDocTableLoadingComplete();
       const hitCount = await PageObjects.discover.getHitCount();
-      expect(hitCount).to.be('1,556');
+      expect(hitCount).to.be('522');
     });
   });
 }