Device manager - device list filtering (PSG-648) (#9181)

* add device filtering

* improve dropdown styling

* test device filtering

* update type imports

* fix types

* security card margin

* more specific type for onFilterOptionChange

res/css/components/views/settings/devices/_DeviceSecurityCard.pcss

@@ -64,7 +64,7 @@ limitations under the License.
     margin: 0 0 $spacing-4 0;
 }
 .mx_DeviceSecurityCard_description {
-    margin: 0 0 $spacing-8 0;
+    margin: 0;
     font-size: $font-12px;
     color: $secondary-content;
 }

res/css/components/views/settings/devices/_FilteredDeviceList.pcss

@@ -15,9 +15,45 @@ limitations under the License.
 */
 
 .mx_FilteredDeviceList {
+    .mx_Dropdown {
+        flex: 1 0 80px;
+    }
+}
+
+.mx_FilteredDeviceList_header {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    box-sizing: border-box;
+
+    width: 100%;
+    height: 48px;
+    padding: 0 $spacing-16;
+    margin-bottom: $spacing-32;
+
+    background-color: $system;
+    border-radius: 8px;
+    color: $secondary-content;
+}
+
+.mx_FilteredDeviceList_headerLabel {
+    flex: 1 1 100%;
+}
+
+.mx_FilteredDeviceList_list {
     list-style-type: none;
     display: grid;
     grid-gap: $spacing-16;
     margin: 0;
     padding: 0 $spacing-8;
 }
+
+.mx_FilteredDeviceList_securityCard {
+    margin-bottom: $spacing-32;
+}
+
+.mx_FilteredDeviceList_noResults {
+    width: 100%;
+    text-align: center;
+    margin-bottom: $spacing-32;
+}

src/components/views/settings/devices/DeviceTile.tsx

@@ -22,7 +22,7 @@ import { formatDate, formatRelativeTime } from "../../../../DateUtils";
 import TooltipTarget from "../../elements/TooltipTarget";
 import { Alignment } from "../../elements/Tooltip";
 import Heading from "../../typography/Heading";
-import { INACTIVE_DEVICE_AGE_MS, isDeviceInactive } from "./filter";
+import { INACTIVE_DEVICE_AGE_DAYS, isDeviceInactive } from "./filter";
 import { DeviceWithVerification } from "./types";
 export interface DeviceTileProps {
     device: DeviceWithVerification;
@@ -64,12 +64,11 @@ const getInactiveMetadata = (device: DeviceWithVerification): { id: string, valu
     if (!isInactive) {
         return undefined;
     }
-    const inactiveAgeDays = Math.round(INACTIVE_DEVICE_AGE_MS / MS_DAY);
     return { id: 'inactive', value: (
         <>
             <InactiveIcon className="mx_DeviceTile_inactiveIcon" />
             {
-                _t('Inactive for %(inactiveAgeDays)s+ days', { inactiveAgeDays }) +
+                _t('Inactive for %(inactiveAgeDays)s+ days', { inactiveAgeDays: INACTIVE_DEVICE_AGE_DAYS }) +
                 ` (${formatLastActivity(device.last_seen_ts)})`
             }
         </>),

src/components/views/settings/devices/FilteredDeviceList.tsx

@@ -16,31 +16,167 @@ limitations under the License.
 
 import React from 'react';
 
+import { _t } from '../../../../languageHandler';
+import AccessibleButton from '../../elements/AccessibleButton';
+import Dropdown from '../../elements/Dropdown';
+import DeviceSecurityCard from './DeviceSecurityCard';
 import DeviceTile from './DeviceTile';
-import { filterDevicesBySecurityRecommendation } from './filter';
+import {
-import { DevicesDictionary, DeviceWithVerification } from './types';
+    filterDevicesBySecurityRecommendation,
+    INACTIVE_DEVICE_AGE_DAYS,
+} from './filter';
+import {
+    DevicesDictionary,
+    DeviceSecurityVariation,
+    DeviceWithVerification,
+} from './types';
 
 interface Props {
     devices: DevicesDictionary;
+    filter?: DeviceSecurityVariation;
+    onFilterChange: (filter: DeviceSecurityVariation | undefined) => void;
 }
 
 // devices without timestamp metadata should be sorted last
 const sortDevicesByLatestActivity = (left: DeviceWithVerification, right: DeviceWithVerification) =>
     (right.last_seen_ts || 0) - (left.last_seen_ts || 0);
 
-const getFilteredSortedDevices = (devices: DevicesDictionary) =>
+const getFilteredSortedDevices = (devices: DevicesDictionary, filter: DeviceSecurityVariation) =>
-    filterDevicesBySecurityRecommendation(Object.values(devices), [])
+    filterDevicesBySecurityRecommendation(Object.values(devices), filter ? [filter] : [])
         .sort(sortDevicesByLatestActivity);
 
+const ALL_FILTER_ID = 'ALL';
+
+const FilterSecurityCard: React.FC<{ filter?: DeviceSecurityVariation | string }> = ({ filter }) => {
+    switch (filter) {
+        case DeviceSecurityVariation.Verified:
+            return <div className='mx_FilteredDeviceList_securityCard'>
+                <DeviceSecurityCard
+                    variation={DeviceSecurityVariation.Verified}
+                    heading={_t('Verified sessions')}
+                    description={_t(
+                        `For best security, sign out from any session` +
+                    ` that you don't recognize or use anymore.`,
+                    )}
+                />
+            </div>
+            ;
+        case DeviceSecurityVariation.Unverified:
+            return <div className='mx_FilteredDeviceList_securityCard'>
+                <DeviceSecurityCard
+                    variation={DeviceSecurityVariation.Unverified}
+                    heading={_t('Unverified sessions')}
+                    description={_t(
+                        `Verify your sessions for enhanced secure messaging or sign out`
+                    + ` from those you don't recognize or use anymore.`,
+                    )}
+                />
+            </div>
+            ;
+        case DeviceSecurityVariation.Inactive:
+            return <div className='mx_FilteredDeviceList_securityCard'>
+                <DeviceSecurityCard
+                    variation={DeviceSecurityVariation.Inactive}
+                    heading={_t('Inactive sessions')}
+                    description={_t(
+                        `Consider signing out from old sessions ` +
+                    `(%(inactiveAgeDays)s days or older) you don't use anymore`,
+                        { inactiveAgeDays: INACTIVE_DEVICE_AGE_DAYS },
+                    )}
+                />
+            </div>
+            ;
+        default:
+            return null;
+    }
+};
+
+const getNoResultsMessage = (filter: DeviceSecurityVariation): string => {
+    switch (filter) {
+        case DeviceSecurityVariation.Verified:
+            return _t('No verified sessions found.');
+        case DeviceSecurityVariation.Unverified:
+            return _t('No unverified sessions found.');
+        case DeviceSecurityVariation.Inactive:
+            return _t('No inactive sessions found.');
+        default:
+            return _t('No sessions found.');
+    }
+};
+interface NoResultsProps { filter: DeviceSecurityVariation, clearFilter: () => void}
+const NoResults: React.FC<NoResultsProps> = ({ filter, clearFilter }) =>
+    <div className='mx_FilteredDeviceList_noResults'>
+        { getNoResultsMessage(filter) }
+        {
+            /* No clear filter button when filter is falsy (ie 'All') */
+            !!filter &&
+            <>
+                &nbsp;
+                <AccessibleButton
+                    kind='link_inline'
+                    onClick={clearFilter}
+                    data-testid='devices-clear-filter-btn'
+                >
+                    { _t('Show all') }
+                </AccessibleButton>
+            </>
+        }
+    </div>;
+
 /**
  * Filtered list of devices
  * Sorted by latest activity descending
- * TODO(kerrya) Filtering to added as part of PSG-648
  */
-const FilteredDeviceList: React.FC<Props> = ({ devices }) => {
+const FilteredDeviceList: React.FC<Props> = ({ devices, filter, onFilterChange }) => {
-    const sortedDevices = getFilteredSortedDevices(devices);
+    const sortedDevices = getFilteredSortedDevices(devices, filter);
 
-    return <ol className='mx_FilteredDeviceList'>
+    const options = [
+        { id: ALL_FILTER_ID, label: _t('All') },
+        {
+            id: DeviceSecurityVariation.Verified,
+            label: _t('Verified'),
+            description: _t('Ready for secure messaging'),
+        },
+        {
+            id: DeviceSecurityVariation.Unverified,
+            label: _t('Unverified'),
+            description: _t('Not ready for secure messaging'),
+        },
+        {
+            id: DeviceSecurityVariation.Inactive,
+            label: _t('Inactive'),
+            description: _t(
+                'Inactive for %(inactiveAgeDays)s days or longer',
+                { inactiveAgeDays: INACTIVE_DEVICE_AGE_DAYS },
+            ),
+        },
+    ];
+
+    const onFilterOptionChange = (filterId: DeviceSecurityVariation | typeof ALL_FILTER_ID) => {
+        onFilterChange(filterId === ALL_FILTER_ID ? undefined : filterId as DeviceSecurityVariation);
+    };
+
+    return <div className='mx_FilteredDeviceList'>
+        <div className='mx_FilteredDeviceList_header'>
+            <span className='mx_FilteredDeviceList_headerLabel'>
+                { _t('Sessions') }
+            </span>
+            <Dropdown
+                id='device-list-filter'
+                label={_t('Filter devices')}
+                value={filter || ALL_FILTER_ID}
+                onOptionChange={onFilterOptionChange}
+            >
+                { options.map(({ id, label }) =>
+                    <div data-test-id={`device-filter-option-${id}`} key={id}>{ label }</div>,
+                ) }
+            </Dropdown>
+        </div>
+        { !!sortedDevices.length
+            ? <FilterSecurityCard filter={filter} />
+            : <NoResults filter={filter} clearFilter={() => onFilterChange(undefined)} />
+        }
+        <ol className='mx_FilteredDeviceList_list'>
             { sortedDevices.map((device) =>
                 <li key={device.device_id}>
                     <DeviceTile
@@ -49,7 +185,9 @@ const FilteredDeviceList: React.FC<Props> = ({ devices }) => {
                 </li>,
 
             ) }
-    </ol>;
+        </ol>
+    </div>
+    ;
 };
 
 export default FilteredDeviceList;

src/components/views/settings/devices/SecurityRecommendations.tsx

@@ -20,16 +20,19 @@ import { _t } from '../../../../languageHandler';
 import AccessibleButton from '../../elements/AccessibleButton';
 import SettingsSubsection from '../shared/SettingsSubsection';
 import DeviceSecurityCard from './DeviceSecurityCard';
-import { filterDevicesBySecurityRecommendation, INACTIVE_DEVICE_AGE_MS } from './filter';
+import { filterDevicesBySecurityRecommendation, INACTIVE_DEVICE_AGE_DAYS } from './filter';
-import { DevicesDictionary, DeviceSecurityVariation } from './types';
+import {
+    DeviceSecurityVariation,
+    DeviceWithVerification,
+    DevicesDictionary,
+} from './types';
 
 interface Props {
     devices: DevicesDictionary;
 }
-const MS_DAY = 24 * 60 * 60 * 1000;
 
 const SecurityRecommendations: React.FC<Props> = ({ devices }) => {
-    const devicesArray = Object.values(devices);
+    const devicesArray = Object.values<DeviceWithVerification>(devices);
 
     const unverifiedDevicesCount = filterDevicesBySecurityRecommendation(
         devicesArray,
@@ -44,7 +47,7 @@ const SecurityRecommendations: React.FC<Props> = ({ devices }) => {
         return null;
     }
 
-    const inactiveAgeDays = INACTIVE_DEVICE_AGE_MS / MS_DAY;
+    const inactiveAgeDays = INACTIVE_DEVICE_AGE_DAYS;
 
     // TODO(kerrya) stubbed until PSG-640/652
     const noop = () => {};

src/components/views/settings/devices/filter.ts

@@ -18,7 +18,9 @@ import { DeviceWithVerification, DeviceSecurityVariation } from "./types";
 
 type DeviceFilterCondition = (device: DeviceWithVerification) => boolean;
 
+const MS_DAY = 24 * 60 * 60 * 1000;
 export const INACTIVE_DEVICE_AGE_MS = 7.776e+9; // 90 days
+export const INACTIVE_DEVICE_AGE_DAYS = INACTIVE_DEVICE_AGE_MS / MS_DAY;
 
 export const isDeviceInactive: DeviceFilterCondition = device =>
     !!device.last_seen_ts && device.last_seen_ts < Date.now() - INACTIVE_DEVICE_AGE_MS;

src/components/views/settings/tabs/user/SessionManagerTab.tsx

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from 'react';
+import React, { useState } from 'react';
 
 import { _t } from "../../../../../languageHandler";
 import { useOwnDevices } from '../../devices/useOwnDevices';
@@ -22,10 +22,12 @@ import SettingsSubsection from '../../shared/SettingsSubsection';
 import FilteredDeviceList from '../../devices/FilteredDeviceList';
 import CurrentDeviceSection from '../../devices/CurrentDeviceSection';
 import SecurityRecommendations from '../../devices/SecurityRecommendations';
+import { DeviceSecurityVariation } from '../../devices/types';
 import SettingsTab from '../SettingsTab';
 
 const SessionManagerTab: React.FC = () => {
     const { devices, currentDeviceId, isLoading } = useOwnDevices();
+    const [filter, setFilter] = useState<DeviceSecurityVariation>();
 
     const { [currentDeviceId]: currentDevice, ...otherDevices } = devices;
     const shouldShowOtherSessions = Object.keys(otherDevices).length > 0;
@@ -46,7 +48,11 @@ const SessionManagerTab: React.FC = () => {
                 )}
                 data-testid='other-sessions-section'
             >
-                <FilteredDeviceList devices={otherDevices} />
+                <FilteredDeviceList
+                    devices={otherDevices}
+                    filter={filter}
+                    onFilterChange={setFilter}
+                />
             </SettingsSubsection>
         }
     </SettingsTab>;

src/i18n/strings/en_EN.json

@@ -1708,13 +1708,26 @@
     "This session is ready for secure messaging.": "This session is ready for secure messaging.",
     "Unverified session": "Unverified session",
     "Verify or sign out from this session for best security and reliability.": "Verify or sign out from this session for best security and reliability.",
-    "Security recommendations": "Security recommendations",
+    "Verified sessions": "Verified sessions",
-    "Improve your account security by following these recommendations": "Improve your account security by following these recommendations",
+    "For best security, sign out from any session that you don't recognize or use anymore.": "For best security, sign out from any session that you don't recognize or use anymore.",
     "Unverified sessions": "Unverified sessions",
     "Verify your sessions for enhanced secure messaging or sign out from those you don't recognize or use anymore.": "Verify your sessions for enhanced secure messaging or sign out from those you don't recognize or use anymore.",
-    "View all": "View all",
     "Inactive sessions": "Inactive sessions",
     "Consider signing out from old sessions (%(inactiveAgeDays)s days or older) you don't use anymore": "Consider signing out from old sessions (%(inactiveAgeDays)s days or older) you don't use anymore",
+    "No verified sessions found.": "No verified sessions found.",
+    "No unverified sessions found.": "No unverified sessions found.",
+    "No inactive sessions found.": "No inactive sessions found.",
+    "No sessions found.": "No sessions found.",
+    "Show all": "Show all",
+    "All": "All",
+    "Ready for secure messaging": "Ready for secure messaging",
+    "Not ready for secure messaging": "Not ready for secure messaging",
+    "Inactive": "Inactive",
+    "Inactive for %(inactiveAgeDays)s days or longer": "Inactive for %(inactiveAgeDays)s days or longer",
+    "Filter devices": "Filter devices",
+    "Security recommendations": "Security recommendations",
+    "Improve your account security by following these recommendations": "Improve your account security by following these recommendations",
+    "View all": "View all",
     "Unable to remove contact information": "Unable to remove contact information",
     "Remove %(email)s?": "Remove %(email)s?",
     "Invalid Email Address": "Invalid Email Address",
@@ -2234,7 +2247,6 @@
     "Error decrypting video": "Error decrypting video",
     "Error processing voice message": "Error processing voice message",
     "Add reaction": "Add reaction",
-    "Show all": "Show all",
     "Reactions": "Reactions",
     "%(reactors)s reacted with %(content)s": "%(reactors)s reacted with %(content)s",
     "<reactors/><reactedWith>reacted with %(shortName)s</reactedWith>": "<reactors/><reactedWith>reacted with %(shortName)s</reactedWith>",

test/components/views/settings/DevicesPanel-test.tsx

@@ -128,7 +128,7 @@ describe('<DevicesPanel />', () => {
 
             await flushPromises();
             // modal rendering has some weird sleeps
-            await sleep(10);
+            await sleep(100);
 
             expect(mockClient.deleteMultipleDevices).toHaveBeenCalledWith([device2.device_id], undefined);
 

test/components/views/settings/devices/FilteredDeviceList-test.tsx

@@ -15,25 +15,39 @@ limitations under the License.
 */
 
 import React from 'react';
-import { render } from '@testing-library/react';
+import { act, fireEvent, render } from '@testing-library/react';
 
 import FilteredDeviceList from '../../../../../src/components/views/settings/devices/FilteredDeviceList';
+import { DeviceSecurityVariation } from '../../../../../src/components/views/settings/devices/types';
+import { flushPromises, mockPlatformPeg } from '../../../../test-utils';
 
+mockPlatformPeg();
+
+const MS_DAY = 86400000;
 describe('<FilteredDeviceList />', () => {
-    const noMetaDevice = { device_id: 'no-meta-device', isVerified: true };
-    const oldDevice = { device_id: 'old', last_seen_ts: new Date(1993, 7, 3, 4).getTime(), isVerified: true };
     const newDevice = {
         device_id: 'new',
-        last_seen_ts: new Date().getTime() - 500,
+        last_seen_ts: Date.now() - 500,
         last_seen_ip: '123.456.789',
         display_name: 'My Device',
         isVerified: true,
     };
+    const unverifiedNoMetadata = { device_id: 'unverified-no-metadata', isVerified: false };
+    const verifiedNoMetadata = { device_id: 'verified-no-metadata', isVerified: true };
+    const hundredDaysOld = { device_id: '100-days-old', isVerified: true, last_seen_ts: Date.now() - (MS_DAY * 100) };
+    const hundredDaysOldUnverified = {
+        device_id: 'unverified-100-days-old',
+        isVerified: false,
+        last_seen_ts: Date.now() - (MS_DAY * 100),
+    };
     const defaultProps = {
+        onFilterChange: jest.fn(),
         devices: {
-            [noMetaDevice.device_id]: noMetaDevice,
+            [unverifiedNoMetadata.device_id]: unverifiedNoMetadata,
-            [oldDevice.device_id]: oldDevice,
+            [verifiedNoMetadata.device_id]: verifiedNoMetadata,
             [newDevice.device_id]: newDevice,
+            [hundredDaysOld.device_id]: hundredDaysOld,
+            [hundredDaysOldUnverified.device_id]: hundredDaysOldUnverified,
         },
     };
     const getComponent = (props = {}) =>
@@ -43,14 +57,16 @@ describe('<FilteredDeviceList />', () => {
         const { container } = render(getComponent());
         const tiles = container.querySelectorAll('.mx_DeviceTile');
         expect(tiles[0].getAttribute('data-testid')).toEqual(`device-tile-${newDevice.device_id}`);
-        expect(tiles[1].getAttribute('data-testid')).toEqual(`device-tile-${oldDevice.device_id}`);
+        expect(tiles[1].getAttribute('data-testid')).toEqual(`device-tile-${hundredDaysOld.device_id}`);
-        expect(tiles[2].getAttribute('data-testid')).toEqual(`device-tile-${noMetaDevice.device_id}`);
+        expect(tiles[2].getAttribute('data-testid')).toEqual(`device-tile-${hundredDaysOldUnverified.device_id}`);
+        expect(tiles[3].getAttribute('data-testid')).toEqual(`device-tile-${unverifiedNoMetadata.device_id}`);
+        expect(tiles[4].getAttribute('data-testid')).toEqual(`device-tile-${verifiedNoMetadata.device_id}`);
     });
 
     it('updates list order when devices change', () => {
-        const updatedOldDevice = { ...oldDevice, last_seen_ts: new Date().getTime() };
+        const updatedOldDevice = { ...hundredDaysOld, last_seen_ts: new Date().getTime() };
         const updatedDevices = {
-            [oldDevice.device_id]: updatedOldDevice,
+            [hundredDaysOld.device_id]: updatedOldDevice,
             [newDevice.device_id]: newDevice,
         };
         const { container, rerender } = render(getComponent());
@@ -59,7 +75,108 @@ describe('<FilteredDeviceList />', () => {
 
         const tiles = container.querySelectorAll('.mx_DeviceTile');
         expect(tiles.length).toBe(2);
-        expect(tiles[0].getAttribute('data-testid')).toEqual(`device-tile-${oldDevice.device_id}`);
+        expect(tiles[0].getAttribute('data-testid')).toEqual(`device-tile-${hundredDaysOld.device_id}`);
         expect(tiles[1].getAttribute('data-testid')).toEqual(`device-tile-${newDevice.device_id}`);
     });
+
+    it('displays no results message when there are no devices', () => {
+        const { container } = render(getComponent({ devices: {} }));
+
+        expect(container.getElementsByClassName('mx_FilteredDeviceList_noResults')).toMatchSnapshot();
+    });
+
+    describe('filtering', () => {
+        const setFilter = async (
+            container: HTMLElement,
+            option: DeviceSecurityVariation | string,
+        ) => await act(async () => {
+            const dropdown = container.querySelector('[aria-label="Filter devices"]');
+
+            fireEvent.click(dropdown);
+            // tick to let dropdown render
+            await flushPromises();
+
+            fireEvent.click(container.querySelector(`#device-list-filter__${option}`));
+        });
+
+        it('does not display filter description when filter is falsy', () => {
+            const { container } = render(getComponent({ filter: undefined }));
+            const tiles = container.querySelectorAll('.mx_DeviceTile');
+            expect(container.getElementsByClassName('mx_FilteredDeviceList_securityCard').length).toBeFalsy();
+            expect(tiles.length).toEqual(5);
+        });
+
+        it('updates filter when prop changes', () => {
+            const { container, rerender } = render(getComponent({ filter: DeviceSecurityVariation.Verified }));
+            const tiles = container.querySelectorAll('.mx_DeviceTile');
+            expect(tiles.length).toEqual(3);
+            expect(tiles[0].getAttribute('data-testid')).toEqual(`device-tile-${newDevice.device_id}`);
+            expect(tiles[1].getAttribute('data-testid')).toEqual(`device-tile-${hundredDaysOld.device_id}`);
+            expect(tiles[2].getAttribute('data-testid')).toEqual(`device-tile-${verifiedNoMetadata.device_id}`);
+
+            rerender(getComponent({ filter: DeviceSecurityVariation.Inactive }));
+
+            const rerenderedTiles = container.querySelectorAll('.mx_DeviceTile');
+            expect(rerenderedTiles.length).toEqual(2);
+            expect(rerenderedTiles[0].getAttribute('data-testid')).toEqual(`device-tile-${hundredDaysOld.device_id}`);
+            expect(rerenderedTiles[1].getAttribute('data-testid')).toEqual(
+                `device-tile-${hundredDaysOldUnverified.device_id}`,
+            );
+        });
+
+        it('calls onFilterChange handler', async () => {
+            const onFilterChange = jest.fn();
+            const { container } = render(getComponent({ onFilterChange }));
+            await setFilter(container, DeviceSecurityVariation.Verified);
+
+            expect(onFilterChange).toHaveBeenCalledWith(DeviceSecurityVariation.Verified);
+        });
+
+        it('calls onFilterChange handler correctly when setting filter to All', async () => {
+            const onFilterChange = jest.fn();
+            const { container } = render(getComponent({ onFilterChange, filter: DeviceSecurityVariation.Verified }));
+            await setFilter(container, 'ALL');
+
+            // filter is cleared
+            expect(onFilterChange).toHaveBeenCalledWith(undefined);
+        });
+
+        it.each([
+            [DeviceSecurityVariation.Verified, [newDevice, hundredDaysOld, verifiedNoMetadata]],
+            [DeviceSecurityVariation.Unverified, [hundredDaysOldUnverified, unverifiedNoMetadata]],
+            [DeviceSecurityVariation.Inactive, [hundredDaysOld, hundredDaysOldUnverified]],
+        ])('filters correctly for %s', (filter, expectedDevices) => {
+            const { container } = render(getComponent({ filter }));
+            expect(container.getElementsByClassName('mx_FilteredDeviceList_securityCard')).toMatchSnapshot();
+            const tileDeviceIds = [...container.querySelectorAll('.mx_DeviceTile')]
+                .map(tile => tile.getAttribute('data-testid'));
+            expect(tileDeviceIds).toEqual(expectedDevices.map(device => `device-tile-${device.device_id}`));
+        });
+
+        it.each([
+            [DeviceSecurityVariation.Verified],
+            [DeviceSecurityVariation.Unverified],
+            [DeviceSecurityVariation.Inactive],
+        ])('renders no results correctly for %s', (filter) => {
+            const { container } = render(getComponent({ filter, devices: {} }));
+            expect(container.getElementsByClassName('mx_FilteredDeviceList_securityCard').length).toBeFalsy();
+            expect(container.getElementsByClassName('mx_FilteredDeviceList_noResults')).toMatchSnapshot();
+        });
+
+        it('clears filter from no results message', () => {
+            const onFilterChange = jest.fn();
+            const { getByTestId } = render(getComponent({
+                onFilterChange,
+                filter: DeviceSecurityVariation.Verified,
+                devices: {
+                    [unverifiedNoMetadata.device_id]: unverifiedNoMetadata,
+                },
+            }));
+            act(() => {
+                fireEvent.click(getByTestId('devices-clear-filter-btn'));
+            });
+
+            expect(onFilterChange).toHaveBeenCalledWith(undefined);
+        });
+    });
 });

test/components/views/settings/devices/__snapshots__/FilteredDeviceList-test.tsx.snap

@@ -0,0 +1,173 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<FilteredDeviceList /> displays no results message when there are no devices 1`] = `
+HTMLCollection [
+  <div
+    class="mx_FilteredDeviceList_noResults"
+  >
+    No sessions found.
+  </div>,
+]
+`;
+
+exports[`<FilteredDeviceList /> filtering filters correctly for Inactive 1`] = `
+HTMLCollection [
+  <div
+    class="mx_FilteredDeviceList_securityCard"
+  >
+    <div
+      class="mx_DeviceSecurityCard"
+    >
+      <div
+        class="mx_DeviceSecurityCard_icon Inactive"
+      >
+        <div
+          height="16"
+          width="16"
+        />
+      </div>
+      <div
+        class="mx_DeviceSecurityCard_content"
+      >
+        <p
+          class="mx_DeviceSecurityCard_heading"
+        >
+          Inactive sessions
+        </p>
+        <p
+          class="mx_DeviceSecurityCard_description"
+        >
+          Consider signing out from old sessions (90 days or older) you don't use anymore
+        </p>
+      </div>
+    </div>
+  </div>,
+]
+`;
+
+exports[`<FilteredDeviceList /> filtering filters correctly for Unverified 1`] = `
+HTMLCollection [
+  <div
+    class="mx_FilteredDeviceList_securityCard"
+  >
+    <div
+      class="mx_DeviceSecurityCard"
+    >
+      <div
+        class="mx_DeviceSecurityCard_icon Unverified"
+      >
+        <div
+          height="16"
+          width="16"
+        />
+      </div>
+      <div
+        class="mx_DeviceSecurityCard_content"
+      >
+        <p
+          class="mx_DeviceSecurityCard_heading"
+        >
+          Unverified sessions
+        </p>
+        <p
+          class="mx_DeviceSecurityCard_description"
+        >
+          Verify your sessions for enhanced secure messaging or sign out from those you don't recognize or use anymore.
+        </p>
+      </div>
+    </div>
+  </div>,
+]
+`;
+
+exports[`<FilteredDeviceList /> filtering filters correctly for Verified 1`] = `
+HTMLCollection [
+  <div
+    class="mx_FilteredDeviceList_securityCard"
+  >
+    <div
+      class="mx_DeviceSecurityCard"
+    >
+      <div
+        class="mx_DeviceSecurityCard_icon Verified"
+      >
+        <div
+          height="16"
+          width="16"
+        />
+      </div>
+      <div
+        class="mx_DeviceSecurityCard_content"
+      >
+        <p
+          class="mx_DeviceSecurityCard_heading"
+        >
+          Verified sessions
+        </p>
+        <p
+          class="mx_DeviceSecurityCard_description"
+        >
+          For best security, sign out from any session that you don't recognize or use anymore.
+        </p>
+      </div>
+    </div>
+  </div>,
+]
+`;
+
+exports[`<FilteredDeviceList /> filtering renders no results correctly for Inactive 1`] = `
+HTMLCollection [
+  <div
+    class="mx_FilteredDeviceList_noResults"
+  >
+    No inactive sessions found.
+     
+    <div
+      class="mx_AccessibleButton mx_AccessibleButton_hasKind mx_AccessibleButton_kind_link_inline"
+      data-testid="devices-clear-filter-btn"
+      role="button"
+      tabindex="0"
+    >
+      Show all
+    </div>
+  </div>,
+]
+`;
+
+exports[`<FilteredDeviceList /> filtering renders no results correctly for Unverified 1`] = `
+HTMLCollection [
+  <div
+    class="mx_FilteredDeviceList_noResults"
+  >
+    No unverified sessions found.
+     
+    <div
+      class="mx_AccessibleButton mx_AccessibleButton_hasKind mx_AccessibleButton_kind_link_inline"
+      data-testid="devices-clear-filter-btn"
+      role="button"
+      tabindex="0"
+    >
+      Show all
+    </div>
+  </div>,
+]
+`;
+
+exports[`<FilteredDeviceList /> filtering renders no results correctly for Verified 1`] = `
+HTMLCollection [
+  <div
+    class="mx_FilteredDeviceList_noResults"
+  >
+    No verified sessions found.
+     
+    <div
+      class="mx_AccessibleButton mx_AccessibleButton_hasKind mx_AccessibleButton_kind_link_inline"
+      data-testid="devices-clear-filter-btn"
+      role="button"
+      tabindex="0"
+    >
+      Show all
+    </div>
+  </div>,
+]
+`;