overleaf/services/web/test/karma/import_tests.js

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/* global chai */
// Allow for mocking of Angular
import 'angular'
import 'angular-mocks'
/**
* Add chai assertion for comparing CodeMirror Pos objects.
* A deep comparison will fail because CodeMirror inserts additional properties
* that we want to ignore.
*/
chai.Assertion.addMethod('equalPos', function(expectedPos) {
const { line: actualLine, ch: actualCh } = this._obj
const { line: expectedLine, ch: expectedCh } = expectedPos
this.assert(
actualLine === expectedLine && actualCh === expectedCh,
`expected #{exp} to equal #{act}`,
`expected #{exp} to not equal #{act}`,
`Pos({ line: ${expectedLine}, ch: ${expectedCh} })`,
`Pos({ line: ${actualLine}, ch: ${actualCh} })`
)
})
// Mock ExposedSettings
window.ExposedSettings = {}
/*
* Bundle all test files together into a single bundle, and run tests against
* this single bundle.
* We are using karma-webpack to bundle our tests and the 'default' strategy is
* to create a bundle for each test file. This isolates the tests better, but
* causes a problem with Angular. The issue with Angular tests is because we
* load a single global copy of Angular (see karma.conf.js) but
* frontend/js/base.js is included in each bundle, meaning the Angular app is
* initialised for each bundle when it is loaded onto the page when Karma
* starts. This means that only the last bundle will have controllers/directives
* registered against it, ultimately meaning that all other bundles will fail
* because Angular cannot find the controller/directive under test.
*/
// Import from the top-level any JS files within a test/karma
// directory
const context = require.context('../../', true, /test\/karma\/.*\.js$/)
context.keys().forEach(context)