[RNMobile] Add integration test helpers #38619
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dcalhoun
reviewed
Jun 17, 2022
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Thanks for putting this together! It is quite obvious that a lot of thought went into the organization and potential value gained from the abstractions. 🙇🏻
I left a few questions that I hope will help me better understand some of the code. None are blockers by any means.
dcalhoun
approved these changes
Jun 20, 2022
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What?
This PR incorporates a set of helper functions for integration tests.
NOTE: I'm planning to also move the helpers from
block-draggable/test/helpers.native.jsin another PR.Why?
This is part of an ongoing effort for making easier writing integration tests for the native version.
How?
The helpers have been extracted mainly from the Gallery block test cases, as it incorporated several of them. A new folder named
integration-test-helpershas been added totest/nativepath, in this folder we'll hold the helpers, ideally one file per helper.In this PR we're incorporating the following ones, some of them were already being exposed from
test/native/helpers.jsfile:addBlock- Adds a block via the block picker.advanceAnimationByTime,advanceAnimationByFrame- Advance Reanimated animations by time or frames.dismissModal- Dismisses a modal.getBlock- Gets a block from the root block list.getEditorHtml- Gets the current HTML output of the editor.getInnerBlock- Gets an inner block from another block.initializeEditor- Initialize an editor for test assertions.openBlockSettings- Opens the block settings of the current selected block.changeAndSelectTextOfRichText- Changes the text and selection of a RichText component.changeTextOfRichText- Changes the text of a RichText component.pasteIntoRichText- Paste content into a RichText component.setupCoreBlocks- Registers all core blocks or a specific list of blocks before running tests (once the tests are run, all registered blocks are unregistered).setupMediaPicker- Sets up Media Picker mock functions.setupMediaUpload- Sets up the media upload mock functions for testing.changeTextOfTextInput- Changes the text of a TextInput component.triggerBlockListLayout- Helper for ensuring that all items of a Block List component are rendered.waitForModalVisible- Waits for a modal to be visible.waitForStoreResolvers- Executes a function that triggers store resolvers and waits for them to be finished.waitFor- Custom implementation of the "waitFor" utility from@testing-library/react-nativelibrary.withFakeTimers- Set up fake timers for executing a function and restores them afterwards.withReanimatedTimer- Prepare timers for executing a function that uses the Reanimated APIs.NOTE: The above helpers are also listed in a README file that is referenced in the React Native Integration Test Guide.
Testing Instructions
npm run native test.Screenshots or screencast
N/A