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Testing

Run the entire test suite using npm test.

Linting

To check code against the project's style guides, use npm run lint. Use npm run lint:scss or npm run lint:js to check SCSS or JS files separately.

Unit Tests

Unit tests are run using the Jest testing framework. Unit tests ran as part of the main testing suite, i.e. npm test.

To run unit tests individually use the npm run test:unit:tag script and provide the unit tag. Ex: npm run test:unit:tag -- alert-initial-state. The tags can be found at the end of each test description in square brackets. 'Should return the initial state [alert-initial-state]'.

To run a batch of unit tests you can use the npm run test:batch:directory script and provide the module directory of the tests. This will run each file in the directory provided. Ex: npm run test:batch:directory -- animation. This will run the actions.test.js, reducer.test.js and util.test.js test files located in the modules/animation directory.

To test against a different time zone, run npm run test:unit:tz. Note: This currently doesn't work in Windows.

To view the unit test code coverage, run npm run test:coverage. Use npm run test:unit:coverage or npm run test:unit:tz:coverage to run coverage tests individually.

End-To-End Tests

The end-to-end tests are integrated into our CI and are required to pass before a submission is accepted. New features should be accompanied by end-to-end tests to cover any new functionality you add.

Run end-to-end tests using npm run e2e

To run the end-to-end tests using Firefox in a docker container, create an image using npm run docker:image. Run the tests with npm run docker:ci. See the Docker page for more information.

See the end-to-end testing page for more information on how to run the end-to-end tests.

Debug Parameters

Parameter Type Value Description
mockEvents String 20170530 Use the static JSON file with event feeds found at mock/events_data.json-X
mockFutureLayer String VIIRS_NOAA20_CorrectedReflectance_TrueColor,5D Pass layer id and futureTime to be parsed and added to that layer on page load
mockSources String 20170530 Use the static JSON file with sources feeds found at mock/sources_data.json-X
mockAlerts string alert, message, outage, no_types, or all_types Use a static JSON file by passing the notification type. Local sources can be found at mock/notify_{string}.json
now date YYYY-MM-DDThh:mm:ssZ Overrides the current date and time. This can be accessed on config.initialDate or state.date.appNow.
showError boolean true or false If any value is specified, an error dialog will be shown on startup.
notificationURL string https://testing.url.com Overrides the notification URL found in the features.json configuration file.
imageDownload string https://wvs.earthdata.nasa.gov/api/v1/snapshot Overrides the image download URL