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[Resolver] Stale query string values are removed when resolver's comp…
…onent instance ID changes. (elastic#74979) The app can show more than 1 Resolver at a time. Each instance has a unique ID called the `resolverComponentInstanceID`. When the user interacts with Resolver it will add values to the query string. The query string values will contain the `resolverComponentInstanceID`. This allows each Resolver to keep its state separate. When resolver unmounts it will remove any query string values related to it. If Resolver's `resolverComponentInstanceID` changes it should remove query string values related to the old instance ID. It does not. This PR fixes that. Note: I don't know if it was possible for this bug to actually happen. I can't make it happen, but depending on how Resolver is mounted by its consumers it *could*
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Robert Austin
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Aug 14, 2020
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89 changes: 89 additions & 0 deletions
89
x-pack/plugins/security_solution/public/resolver/view/query_params.test.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| import { noAncestorsTwoChildren } from '../data_access_layer/mocks/no_ancestors_two_children'; | ||
| import { Simulator } from '../test_utilities/simulator'; | ||
| // Extend jest with a custom matcher | ||
| import '../test_utilities/extend_jest'; | ||
| import { urlSearch } from '../test_utilities/url_search'; | ||
|
|
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| let simulator: Simulator; | ||
| let databaseDocumentID: string; | ||
| let entityIDs: { origin: string; firstChild: string; secondChild: string }; | ||
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| // the resolver component instance ID, used by the react code to distinguish piece of global state from those used by other resolver instances | ||
| const resolverComponentInstanceID = 'oldID'; | ||
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| describe('Resolver, when analyzing a tree that has no ancestors and 2 children', () => { | ||
| beforeEach(async () => { | ||
| // create a mock data access layer | ||
| const { metadata: dataAccessLayerMetadata, dataAccessLayer } = noAncestorsTwoChildren(); | ||
|
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| // save a reference to the entity IDs exposed by the mock data layer | ||
| entityIDs = dataAccessLayerMetadata.entityIDs; | ||
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| // save a reference to the `_id` supported by the mock data layer | ||
| databaseDocumentID = dataAccessLayerMetadata.databaseDocumentID; | ||
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| // create a resolver simulator, using the data access layer and an arbitrary component instance ID | ||
| simulator = new Simulator({ databaseDocumentID, dataAccessLayer, resolverComponentInstanceID }); | ||
| }); | ||
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| describe("when the second child node's first button has been clicked", () => { | ||
| beforeEach(async () => { | ||
| const node = await simulator.resolveWrapper(() => | ||
| simulator.processNodeElements({ entityID: entityIDs.secondChild }).find('button') | ||
| ); | ||
| if (node) { | ||
| // Click the first button under the second child element. | ||
| node.first().simulate('click'); | ||
| } | ||
| }); | ||
| const expectedSearch = urlSearch(resolverComponentInstanceID, { | ||
| selectedEntityID: 'secondChild', | ||
| }); | ||
| it(`should have a url search of ${expectedSearch}`, async () => { | ||
| await expect(simulator.map(() => simulator.historyLocationSearch)).toYieldEqualTo( | ||
| urlSearch(resolverComponentInstanceID, { selectedEntityID: 'secondChild' }) | ||
| ); | ||
| }); | ||
| describe('when the resolver component gets unmounted', () => { | ||
| beforeEach(() => { | ||
| simulator.unmount(); | ||
| }); | ||
| it('should have a history location search of `""`', async () => { | ||
| await expect(simulator.map(() => simulator.historyLocationSearch)).toYieldEqualTo(''); | ||
| }); | ||
| }); | ||
| describe('when the resolver component has its component instance ID changed', () => { | ||
| const newInstanceID = 'newID'; | ||
| beforeEach(() => { | ||
| simulator.resolverComponentInstanceID = newInstanceID; | ||
| }); | ||
| it('should have a history location search of `""`', async () => { | ||
| await expect(simulator.map(() => simulator.historyLocationSearch)).toYieldEqualTo(''); | ||
| }); | ||
| describe("when the user clicks the second child node's button again", () => { | ||
| beforeEach(async () => { | ||
| const node = await simulator.resolveWrapper(() => | ||
| simulator.processNodeElements({ entityID: entityIDs.secondChild }).find('button') | ||
| ); | ||
| if (node) { | ||
| // Click the first button under the second child element. | ||
| node.first().simulate('click'); | ||
| } | ||
| }); | ||
| it(`should have a url search of ${urlSearch(newInstanceID, { | ||
| selectedEntityID: 'secondChild', | ||
| })}`, async () => { | ||
| await expect(simulator.map(() => simulator.historyLocationSearch)).toYieldEqualTo( | ||
| urlSearch(newInstanceID, { selectedEntityID: 'secondChild' }) | ||
| ); | ||
| }); | ||
| }); | ||
| }); | ||
| }); | ||
| }); |
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21 changes: 21 additions & 0 deletions
21
x-pack/plugins/security_solution/public/resolver/view/use_query_string_keys.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
|
|
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| import { useSelector } from 'react-redux'; | ||
| import * as selectors from '../store/selectors'; | ||
|
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| /** | ||
| * Get the query string keys used by this Resolver instance. | ||
| */ | ||
| export function useQueryStringKeys(): { idKey: string; eventKey: string } { | ||
| const resolverComponentInstanceID = useSelector(selectors.resolverComponentInstanceID); | ||
| const idKey: string = `resolver-${resolverComponentInstanceID}-id`; | ||
| const eventKey: string = `resolver-${resolverComponentInstanceID}-event`; | ||
| return { | ||
| idKey, | ||
| eventKey, | ||
| }; | ||
| } |
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