[Management] Highlight query in results for index pattern creation wizard

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/components/step_index_pattern/__tests__/__snapshots__/step_index_pattern.test.js.snap

@@ -59,6 +59,7 @@ exports[`StepIndexPattern should disable the next step if the index pattern exis
         },
       ]
     }
+    query="k*"
   />
 </EuiPanel>
 `;
@@ -122,6 +123,7 @@ exports[`StepIndexPattern should properly fetch indices for the initial query 1`
         },
       ]
     }
+    query="k*"
   />
 </EuiPanel>
 `;
@@ -134,11 +136,7 @@ exports[`StepIndexPattern should render normally 1`] = `
 >
   <Header
     characterList="\\\\, /, ?, \\", <, >, |"
-    errors={
-      Array [
-        "Your input contains invalid characters or spaces. Please omit: \\\\, /, ?, \\", <, >, |",
-      ]
-    }
+    errors={Array []}
     goToNextStep={[Function]}
     isInputInvalid={false}
     isNextStepDisabled={true}
@@ -187,6 +185,7 @@ exports[`StepIndexPattern should render normally 1`] = `
         },
       ]
     }
+    query=""
   />
 </EuiPanel>
 `;
@@ -250,6 +249,7 @@ exports[`StepIndexPattern should render some indices 1`] = `
         },
       ]
     }
+    query="k*"
   />
 </EuiPanel>
 `;
@@ -342,6 +342,7 @@ exports[`StepIndexPattern should show errors 1`] = `
         },
       ]
     }
+    query="?"
   />
 </EuiPanel>
 `;

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__tests__/__snapshots__/indices_list.test.js.snap

@@ -200,6 +200,111 @@ exports[`IndicesList should change per page 1`] = `
 </div>
 `;
 
+exports[`IndicesList should highlight the query in the matches 1`] = `
+<div>
+  <EuiTable>
+    <EuiTableBody>
+      <EuiTableRow
+        key="0"
+      >
+        <EuiTableRowCell
+          align="left"
+          textOnly={true}
+        >
+          <span>
+            <strong>
+              ki
+            </strong>
+            bana
+          </span>
+        </EuiTableRowCell>
+      </EuiTableRow>
+      <EuiTableRow
+        key="1"
+      >
+        <EuiTableRowCell
+          align="left"
+          textOnly={true}
+        >
+          es
+        </EuiTableRowCell>
+      </EuiTableRow>
+    </EuiTableBody>
+  </EuiTable>
+  <EuiSpacer
+    size="m"
+  />
+  <EuiFlexGroup
+    alignItems="center"
+    component="div"
+    gutterSize="l"
+    justifyContent="spaceBetween"
+    responsive={true}
+    wrap={false}
+  >
+    <EuiFlexItem
+      component="div"
+      grow={false}
+    >
+      <EuiPopover
+        anchorPosition="downCenter"
+        button={
+          <EuiButtonEmpty
+            color="text"
+            iconSide="right"
+            iconType="arrowDown"
+            onClick={[Function]}
+            size="s"
+            type="button"
+          >
+            Rows per page: 
+            10
+          </EuiButtonEmpty>
+        }
+        closePopover={[Function]}
+        id="customizablePagination"
+        isOpen={false}
+        ownFocus={false}
+        panelPaddingSize="none"
+        withTitle={true}
+      >
+        <EuiContextMenuPanel
+          hasFocus={true}
+          items={
+            Array [
+              <EuiContextMenuItem
+                icon="empty"
+                onClick={[Function]}
+              >
+                5
+              </EuiContextMenuItem>,
+              <EuiContextMenuItem
+                icon="empty"
+                onClick={[Function]}
+              >
+                10
+              </EuiContextMenuItem>,
+              <EuiContextMenuItem
+                icon="empty"
+                onClick={[Function]}
+              >
+                20
+              </EuiContextMenuItem>,
+              <EuiContextMenuItem
+                icon="empty"
+                onClick={[Function]}
+              >
+                50
+              </EuiContextMenuItem>,
+            ]
+          }
+        />
+      </EuiPopover>
+    </EuiFlexItem>
+  </EuiFlexGroup>
+</div>
+`;
+
 exports[`IndicesList should render normally 1`] = `
 <div>
   <EuiTable>

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__tests__/indices_list.test.js

@@ -10,15 +10,15 @@ const indices = [
 describe('IndicesList', () => {
   it('should render normally', () => {
     const component = shallow(
-      <IndicesList indices={indices}/>
+      <IndicesList indices={indices} query=""/>
     );
 
     expect(component).toMatchSnapshot();
   });
 
   it('should change pages', () => {
     const component = shallow(
-      <IndicesList indices={indices}/>
+      <IndicesList indices={indices} query=""/>
     );
 
     const instance = component.instance();
@@ -32,7 +32,7 @@ describe('IndicesList', () => {
 
   it('should change per page', () => {
     const component = shallow(
-      <IndicesList indices={indices}/>
+      <IndicesList indices={indices} query="" />
     );
 
     const instance = component.instance();
@@ -42,10 +42,18 @@ describe('IndicesList', () => {
     expect(component).toMatchSnapshot();
   });
 
+  it('should highlight the query in the matches', () => {
+    const component = shallow(
+      <IndicesList indices={indices} query="ki" />
+    );
+
+    expect(component).toMatchSnapshot();
+  });
+
   describe('updating props', () => {
     it('should render all new indices', () => {
       const component = shallow(
-        <IndicesList indices={indices}/>
+        <IndicesList indices={indices} query=""/>
       );
 
       const moreIndices = [

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.js

@@ -24,6 +24,7 @@ import {
 export class IndicesList extends Component {
   static propTypes = {
     indices: PropTypes.array.isRequired,
+    query: PropTypes.string.isRequired,
   }
 
   constructor(props) {
@@ -129,15 +130,35 @@ export class IndicesList extends Component {
     );
   }
 
+  highlightIndexName(indexName, query) {
+    const queryIdx = indexName.indexOf(query);
+    if (!query || queryIdx === -1) {
+      return indexName;
+    }
+
+    const preStr = indexName.substr(0, queryIdx);
+    const postStr = indexName.substr(queryIdx + query.length);
+
+    return (
+      <span>
+        {preStr}
+        <strong>{query}</strong>
+        {postStr}
+      </span>
+    );
+  }
+
   render() {
-    const { indices } = this.props;
+    const { indices, query } = this.props;
+
+    const queryWithoutWildcard = query.endsWith('*') ? query.substr(0, query.length - 1) : query;
 
     const paginatedIndices = indices.slice(this.pager.firstItemIndex, this.pager.lastItemIndex + 1);
     const rows = paginatedIndices.map((index, key) => {
       return (
         <EuiTableRow key={key}>
           <EuiTableRowCell>
-            {index.name}
+            {this.highlightIndexName(index.name, queryWithoutWildcard)}
           </EuiTableRowCell>
         </EuiTableRow>
       );

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.js

@@ -3,7 +3,7 @@ import PropTypes from 'prop-types';
 import { ILLEGAL_CHARACTERS, MAX_SEARCH_SIZE } from '../../constants';
 import {
   getIndices,
-  isIndexPatternQueryValid,
+  containsInvalidCharacters,
   getMatchedIndices,
   canAppendWildcard,
   createReasonableWait
@@ -139,6 +139,7 @@ export class StepIndexPattern extends Component {
 
     return (
       <IndicesList
+        query={query}
         indices={indicesToList}
       />
     );
@@ -170,12 +171,16 @@ export class StepIndexPattern extends Component {
     const errors = [];
     const characterList = ILLEGAL_CHARACTERS.slice(0, ILLEGAL_CHARACTERS.length - 1).join(', ');
 
-    if (!isIndexPatternQueryValid(query, ILLEGAL_CHARACTERS)) {
+    if (!query || !query.length || query === '.' || query === '..') {
+      // This is an error scenario but do not report an error
+      containsErrors = true;
+    }
+    else if (!containsInvalidCharacters(query, ILLEGAL_CHARACTERS)) {
       errors.push(`Your input contains invalid characters or spaces. Please omit: ${characterList}`);
       containsErrors = true;
     }
 
-    const isInputInvalid = showingIndexPatternQueryErrors && containsErrors;
+    const isInputInvalid = showingIndexPatternQueryErrors && containsErrors && errors.length > 0;
     const isNextStepDisabled = containsErrors || indices.length === 0 || indexPatternExists;
 
     return (

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/lib/__tests__/contains_invalid_characters.test.js

@@ -0,0 +1,13 @@
+import { containsInvalidCharacters } from '../contains_invalid_characters';
+
+describe('containsInvalidCharacters', () => {
+  it('should fail with illegal characters', () => {
+    const valid = containsInvalidCharacters('abc', ['a']);
+    expect(valid).toBeFalsy();
+  });
+
+  it('should pass with no illegal characters', () => {
+    const valid = containsInvalidCharacters('abc', ['%']);
+    expect(valid).toBeTruthy();
+  });
+});

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/lib/contains_invalid_characters.js

@@ -0,0 +1,3 @@
+export function containsInvalidCharacters(pattern, illegalCharacters) {
+  return !illegalCharacters.some(char => pattern.includes(char));
+}

src/core_plugins/kibana/public/management/sections/indices/create_index_pattern_wizard/lib/index.js

@@ -6,6 +6,6 @@ export { getIndices } from './get_indices';
 
 export { getMatchedIndices } from './get_matched_indices';
 
-export { isIndexPatternQueryValid } from './is_index_pattern_query_valid';
+export { containsInvalidCharacters } from './contains_invalid_characters';
 
 export { extractTimeFields } from './extract_time_fields';