[lens] Dimension panel lets users select operations and fields individually

x-pack/plugins/lens/public/index.scss

@@ -1,5 +1,6 @@
 // Import the EUI global scope so we can use EUI constants
 @import 'src/legacy/ui/public/styles/_styling_constants';
 
-@import "./drag_drop/drag_drop.scss";
-@import "./xy_visualization_plugin/xy_expression.scss";
+@import './drag_drop/drag_drop.scss';
+@import './xy_visualization_plugin/xy_expression.scss';
+@import './indexpattern_plugin/indexpattern';

x-pack/plugins/lens/public/index.ts

@@ -7,6 +7,7 @@
 export * from './types';
 
 import 'ui/autoload/all';
+// Used to run esaggs queries
 import 'uiExports/fieldFormats';
 import 'uiExports/search';
 import 'uiExports/visRequestHandlers';

x-pack/plugins/lens/public/indexpattern_plugin/__mocks__/loader.ts

@@ -9,7 +9,7 @@ export function getIndexPatterns() {
     resolve([
       {
         id: '1',
-        title: 'Fake Index Pattern',
+        title: 'my-fake-index-pattern',
         timeFieldName: 'timestamp',
         fields: [
           {
@@ -34,7 +34,7 @@ export function getIndexPatterns() {
       },
       {
         id: '2',
-        title: 'Fake Rollup Pattern',
+        title: 'my-fake-restricted-pattern',
         timeFieldName: 'timestamp',
         fields: [
           {
@@ -56,6 +56,52 @@ export function getIndexPatterns() {
             searchable: true,
           },
         ],
+        typeMeta: {
+          params: {
+            rollup_index: 'my-fake-index-pattern',
+          },
+          aggs: {
+            terms: {
+              source: {
+                agg: 'terms',
+              },
+            },
+            date_histogram: {
+              timestamp: {
+                agg: 'date_histogram',
+                fixed_interval: '1d',
+                delay: '7d',
+                time_zone: 'UTC',
+              },
+            },
+            histogram: {
+              bytes: {
+                agg: 'histogram',
+                interval: 1000,
+              },
+            },
+            avg: {
+              bytes: {
+                agg: 'avg',
+              },
+            },
+            max: {
+              bytes: {
+                agg: 'max',
+              },
+            },
+            min: {
+              bytes: {
+                agg: 'min',
+              },
+            },
+            sum: {
+              bytes: {
+                agg: 'sum',
+              },
+            },
+          },
+        },
       },
     ]);
   });

x-pack/plugins/lens/public/indexpattern_plugin/__mocks__/operations.ts

@@ -0,0 +1,19 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+const actual = jest.requireActual('../operations');
+
+jest.spyOn(actual, 'getPotentialColumns');
+jest.spyOn(actual, 'getColumnOrder');
+
+export const {
+  getPotentialColumns,
+  getColumnOrder,
+  getOperations,
+  getOperationDisplay,
+  getOperationTypesForField,
+  getOperationResultType,
+} = actual;