Explore: Fix timezone not changing for graph and table (#42430)

* Pass timezone to graph in Explore

* Fix timezone issues for table

* Fix type error

* Update public/app/features/explore/TableContainer.test.tsx

Co-authored-by: Giordano Ricci <me@giordanoricci.com>

* Replace UTC with InternalTimeZones

* Update CEST to cest

Co-authored-by: Giordano Ricci <me@giordanoricci.com>

public/app/features/dashboard/components/Inspector/InspectContent.tsx

@@ -82,6 +82,7 @@ export const InspectContent: React.FC<Props> = ({
           isLoading={isDataLoading}
           options={dataOptions}
           onOptionsChange={onDataOptionsChange}
+          timeZone={dashboard.timezone}
         />
       )}
       <CustomScrollbar autoHeightMin="100%">

public/app/features/explore/Explore.tsx

@@ -232,13 +232,14 @@ export class Explore extends React.PureComponent<Props, ExploreState> {
   }
 
   renderTablePanel(width: number) {
-    const { exploreId, datasourceInstance } = this.props;
+    const { exploreId, datasourceInstance, timeZone } = this.props;
     return (
       <TableContainer
         ariaLabel={selectors.pages.Explore.General.table}
         width={width}
         exploreId={exploreId}
         onCellFilterAdded={datasourceInstance?.modifyQuery ? this.onCellFilterAdded : undefined}
+        timeZone={timeZone}
       />
     );
   }
@@ -303,6 +304,7 @@ export class Explore extends React.PureComponent<Props, ExploreState> {
       showLogs,
       showTrace,
       showNodeGraph,
+      timeZone,
     } = this.props;
     const { openDrawer } = this.state;
     const styles = getStyles(theme);
@@ -364,6 +366,7 @@ export class Explore extends React.PureComponent<Props, ExploreState> {
                           exploreId={exploreId}
                           width={width}
                           onClose={this.toggleShowQueryInspector}
+                          timeZone={timeZone}
                         />
                       )}
                     </ErrorBoundaryAlert>

public/app/features/explore/ExploreGraph.tsx

@@ -162,6 +162,7 @@ export function ExploreGraph({
         width={width}
         height={height}
         onChangeTimeRange={onChangeTime}
+        timeZone={timeZone}
         options={
           {
             tooltip: { mode: tooltipDisplayMode },

public/app/features/explore/ExploreQueryInspector.test.tsx

@@ -1,7 +1,7 @@
 import React, { ComponentProps } from 'react';
 import { Observable } from 'rxjs';
 import { render, screen, fireEvent } from '@testing-library/react';
-import { TimeRange, LoadingState } from '@grafana/data';
+import { TimeRange, LoadingState, InternalTimeZones } from '@grafana/data';
 import { ExploreId } from 'app/types';
 import { ExploreQueryInspector } from './ExploreQueryInspector';
 
@@ -33,6 +33,7 @@ const setup = (propOverrides = {}) => {
     width: 100,
     exploreId: ExploreId.left,
     onClose: jest.fn(),
+    timeZone: InternalTimeZones.utc,
     queryResponse: {
       state: LoadingState.Done,
       series: [],

public/app/features/explore/ExploreQueryInspector.tsx

@@ -14,13 +14,14 @@ import { InspectErrorTab } from 'app/features/inspector/InspectErrorTab';
 interface DispatchProps {
   width: number;
   exploreId: ExploreId;
+  timeZone: TimeZone;
   onClose: () => void;
 }
 
 type Props = DispatchProps & ConnectedProps<typeof connector>;
 
 export function ExploreQueryInspector(props: Props) {
-  const { loading, width, onClose, queryResponse } = props;
+  const { loading, width, onClose, queryResponse, timeZone } = props;
   const dataFrames = queryResponse?.series || [];
   const error = queryResponse?.error;
 
@@ -47,6 +48,7 @@ export function ExploreQueryInspector(props: Props) {
         data={dataFrames}
         isLoading={loading}
         options={{ withTransforms: false, withFieldConfig: false }}
+        timeZone={timeZone}
       />
     ),
   };

public/app/features/explore/TableContainer.test.tsx

@@ -1,41 +1,102 @@
 import React from 'react';
-import { render, shallow } from 'enzyme';
+import { screen, render, within } from '@testing-library/react';
 import { TableContainer } from './TableContainer';
-import { DataFrame } from '@grafana/data';
+import { DataFrame, toDataFrame, FieldType, InternalTimeZones } from '@grafana/data';
 import { ExploreId } from 'app/types/explore';
 
+function getTable(): HTMLElement {
+  return screen.getAllByRole('table')[0];
+}
+
+function getRowsData(rows: HTMLElement[]): Object[] {
+  let content = [];
+  for (let i = 1; i < rows.length; i++) {
+    content.push({
+      time: within(rows[i]).getByText(/2021*/).textContent,
+      text: within(rows[i]).getByText(/test_string_*/).textContent,
+    });
+  }
+  return content;
+}
+
+const dataFrame = toDataFrame({
+  name: 'A',
+  fields: [
+    {
+      name: 'time',
+      type: FieldType.time,
+      values: [1609459200000, 1609470000000, 1609462800000, 1609466400000],
+      config: {
+        custom: {
+          filterable: false,
+        },
+      },
+    },
+    {
+      name: 'text',
+      type: FieldType.string,
+      values: ['test_string_1', 'test_string_2', 'test_string_3', 'test_string_4'],
+      config: {
+        custom: {
+          filterable: false,
+        },
+      },
+    },
+  ],
+});
+
+const defaultProps = {
+  exploreId: ExploreId.left as ExploreId,
+  loading: false,
+  width: 800,
+  onCellFilterAdded: jest.fn(),
+  tableResult: dataFrame,
+  splitOpen: (() => {}) as any,
+  range: {} as any,
+  timeZone: InternalTimeZones.utc,
+};
+
 describe('TableContainer', () => {
   it('should render component', () => {
-    const props = {
-      exploreId: ExploreId.left as ExploreId,
-      loading: false,
-      width: 800,
-      onCellFilterAdded: jest.fn(),
-      tableResult: {} as DataFrame,
-      splitOpen: (() => {}) as any,
-      range: {} as any,
-    };
-
-    const wrapper = shallow(<TableContainer {...props} />);
-    expect(wrapper).toMatchSnapshot();
+    render(<TableContainer {...defaultProps} />);
+    expect(getTable()).toBeInTheDocument();
+    const rows = within(getTable()).getAllByRole('row');
+    expect(rows).toHaveLength(5);
+    expect(getRowsData(rows)).toEqual([
+      { time: '2021-01-01 00:00:00', text: 'test_string_1' },
+      { time: '2021-01-01 03:00:00', text: 'test_string_2' },
+      { time: '2021-01-01 01:00:00', text: 'test_string_3' },
+      { time: '2021-01-01 02:00:00', text: 'test_string_4' },
+    ]);
   });
 
   it('should render 0 series returned on no items', () => {
-    const props = {
-      exploreId: ExploreId.left as ExploreId,
-      loading: false,
-      width: 800,
-      onCellFilterAdded: jest.fn(),
-      tableResult: {
-        name: 'TableResultName',
-        fields: [],
-        length: 0,
-      } as DataFrame,
-      splitOpen: (() => {}) as any,
-      range: {} as any,
-    };
-
-    const wrapper = render(<TableContainer {...props} />);
-    expect(wrapper.find('0 series returned')).toBeTruthy();
+    const emptyFrames = {
+      name: 'TableResultName',
+      fields: [],
+      length: 0,
+    } as DataFrame;
+    render(<TableContainer {...defaultProps} tableResult={emptyFrames} />);
+    expect(screen.getByText('0 series returned')).toBeInTheDocument();
+  });
+
+  it('should update time when timezone changes', () => {
+    const { rerender } = render(<TableContainer {...defaultProps} />);
+    const rowsBeforeChange = within(getTable()).getAllByRole('row');
+    expect(getRowsData(rowsBeforeChange)).toEqual([
+      { time: '2021-01-01 00:00:00', text: 'test_string_1' },
+      { time: '2021-01-01 03:00:00', text: 'test_string_2' },
+      { time: '2021-01-01 01:00:00', text: 'test_string_3' },
+      { time: '2021-01-01 02:00:00', text: 'test_string_4' },
+    ]);
+
+    rerender(<TableContainer {...defaultProps} timeZone="cest" />);
+    const rowsAfterChange = within(getTable()).getAllByRole('row');
+    expect(getRowsData(rowsAfterChange)).toEqual([
+      { time: '2020-12-31 19:00:00', text: 'test_string_1' },
+      { time: '2020-12-31 22:00:00', text: 'test_string_2' },
+      { time: '2020-12-31 20:00:00', text: 'test_string_3' },
+      { time: '2020-12-31 21:00:00', text: 'test_string_4' },
+    ]);
   });
 });

public/app/features/explore/TableContainer.tsx

@@ -1,6 +1,6 @@
 import React, { PureComponent } from 'react';
 import { connect, ConnectedProps } from 'react-redux';
-import { ValueLinkConfig } from '@grafana/data';
+import { ValueLinkConfig, applyFieldOverrides, TimeZone } from '@grafana/data';
 import { Collapse, Table } from '@grafana/ui';
 import { ExploreId, ExploreItemState } from 'app/types/explore';
 import { StoreState } from 'app/types';
@@ -15,6 +15,7 @@ interface TableContainerProps {
   ariaLabel?: string;
   exploreId: ExploreId;
   width: number;
+  timeZone: TimeZone;
   onCellFilterAdded?: (filter: FilterItem) => void;
 }
 
@@ -48,17 +49,27 @@ export class TableContainer extends PureComponent<Props> {
   }
 
   render() {
-    const { loading, onCellFilterAdded, tableResult, width, splitOpen, range, ariaLabel } = this.props;
-
+    const { loading, onCellFilterAdded, tableResult, width, splitOpen, range, ariaLabel, timeZone } = this.props;
     const height = this.getTableHeight();
     const tableWidth = width - config.theme.panelPadding * 2 - PANEL_BORDER;
-    const hasTableResult = tableResult?.length;
 
-    if (tableResult && tableResult.length) {
+    let dataFrame = tableResult;
+
+    if (dataFrame?.length) {
+      dataFrame = applyFieldOverrides({
+        data: [dataFrame],
+        timeZone,
+        theme: config.theme2,
+        replaceVariables: (v: string) => v,
+        fieldConfig: {
+          defaults: {},
+          overrides: [],
+        },
+      })[0];
       // Bit of code smell here. We need to add links here to the frame modifying the frame on every render.
       // Should work fine in essence but still not the ideal way to pass props. In logs container we do this
       // differently and sidestep this getLinks API on a dataframe
-      for (const field of tableResult.fields) {
+      for (const field of dataFrame.fields) {
         field.getLinks = (config: ValueLinkConfig) => {
           return getFieldLinksForExplore({ field, rowIndex: config.valueRowIndex!, splitOpenFn: splitOpen, range });
         };
@@ -67,10 +78,10 @@ export class TableContainer extends PureComponent<Props> {
 
     return (
       <Collapse label="Table" loading={loading} isOpen>
-        {hasTableResult ? (
+        {dataFrame?.length ? (
           <Table
             ariaLabel={ariaLabel}
-            data={tableResult!}
+            data={dataFrame}
             width={tableWidth}
             height={height}
             onCellFilterAdded={onCellFilterAdded}

public/app/features/explore/__snapshots__/TableContainer.test.tsx.snap

@@ -1,19 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`TableContainer should render component 1`] = `
-<Collapse
-  isOpen={true}
-  label="Table"
-  loading={false}
->
-  <Memo(MetaInfoText)
-    metaItems={
-      Array [
-        Object {
-          "value": "0 series returned",
-        },
-      ]
-    }
-  />
-</Collapse>
-`;

public/app/features/inspector/InspectDataTab.tsx

@@ -12,6 +12,7 @@ import {
   SelectableValue,
   toCSV,
   transformDataFrame,
+  TimeZone,
 } from '@grafana/data';
 import { Button, Container, Spinner, Table } from '@grafana/ui';
 import { selectors } from '@grafana/e2e-selectors';
@@ -30,6 +31,7 @@ import { transformToOTLP } from 'app/plugins/datasource/tempo/resultTransformer'
 interface Props {
   isLoading: boolean;
   options: GetDataOptions;
+  timeZone: TimeZone;
   data?: DataFrame[];
   panel?: PanelModel;
   onOptionsChange?: (options: GetDataOptions) => void;
@@ -184,7 +186,7 @@ export class InspectDataTab extends PureComponent<Props, State> {
   };
 
   getProcessedData(): DataFrame[] {
-    const { options, panel } = this.props;
+    const { options, panel, timeZone } = this.props;
     const data = this.state.transformedData;
 
     if (!options.withFieldConfig || !panel) {
@@ -197,6 +199,7 @@ export class InspectDataTab extends PureComponent<Props, State> {
       data,
       theme: config.theme2,
       fieldConfig: panel.fieldConfig,
+      timeZone,
       replaceVariables: (value: string) => {
         return value;
       },