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/* eslint-disable global-require */
const jasmineSeedReporter = require('./test/seed-reporter.cjs');
const commonjs = require('@rollup/plugin-commonjs');
const istanbul = require('rollup-plugin-istanbul');
const json = require('@rollup/plugin-json');
const resolve = require('@rollup/plugin-node-resolve').default;
const yargs = require('yargs');
module.exports = async function(karma) {
const builds = (await import('./rollup.config.js')).default;
const args = yargs
.option('verbose', {default: false})
.argv;
const grep = (args.grep === true || args.grep === undefined) ? '' : args.grep;
const specPattern = 'test/specs/**/*' + grep + '*.js';
// Use the same rollup config as our dist files: when debugging (npm run dev),
// we will prefer the unminified build which is easier to browse and works
// better with source mapping. In other cases, pick the minified build to
// make sure that the minification process (terser) doesn't break anything.
const regex = /chart\.umd(\.min)?\.js$/;
const build = builds.filter(v => v.output.file && v.output.file.match(regex))[0];
if (karma.autoWatch) {
build.plugins.pop();
}
if (args.coverage) {
build.plugins.push(
istanbul({exclude: ['node_modules/**/*.js', 'package.json']})
);
}
// workaround a karma bug where it doesn't resolve dependencies correctly in
// the same way that Node does
// https://github.com/pnpm/pnpm/issues/720#issuecomment-954120387
const plugins = Object.keys(require('./package').devDependencies).flatMap(
(packageName) => {
if (!packageName.startsWith('karma-')) {
return [];
}
return [require(packageName)];
}
);
plugins.push(jasmineSeedReporter);
karma.set({
frameworks: ['jasmine'],
plugins,
reporters: ['spec', 'kjhtml', 'jasmine-seed'],
browsers: (args.browsers || 'chrome,firefox').split(','),
logLevel: karma.LOG_INFO,
client: {
jasmine: {
stopOnSpecFailure: !!karma.autoWatch
}
},
specReporter: {
// maxLogLines: 5, // limit number of lines logged per test
suppressErrorSummary: true, // do not print error summary
suppressFailed: false, // do not print information about failed tests
suppressPassed: true, // do not print information about passed tests
suppressSkipped: false, // do not print information about skipped tests
showSpecTiming: false, // print the time elapsed for each spec
failFast: false // test would finish with error when a first fail occurs.
},
// Explicitly disable hardware acceleration to make image
// diff more stable when ran on Travis and dev machine.
// https://github.com/chartjs/Chart.js/pull/5629
// Since FF 110 https://github.com/chartjs/Chart.js/issues/11164
customLaunchers: {
chrome: {
base: 'Chrome',
flags: [
'--disable-accelerated-2d-canvas',
'--disable-background-timer-throttling',
'--disable-backgrounding-occluded-windows',
'--disable-renderer-backgrounding'
]
},
firefox: {
base: 'Firefox',
prefs: {
'layers.acceleration.disabled': true,
'gfx.canvas.accelerated': false
}
},
safari: {
base: 'SafariPrivate'
},
edge: {
base: 'Edge'
}
},
files: [
{pattern: 'test/fixtures/**/*.js', included: false},
{pattern: 'test/fixtures/**/*.json', included: false},
{pattern: 'test/fixtures/**/*.png', included: false},
'node_modules/moment/min/moment.min.js',
'node_modules/moment-timezone/builds/moment-timezone-with-data.min.js',
{pattern: 'test/index.js', watched: false},
{pattern: 'test/BasicChartWebWorker.js', included: false},
{pattern: 'src/index.umd.ts', watched: false},
'node_modules/chartjs-adapter-moment/dist/chartjs-adapter-moment.js',
{pattern: specPattern}
],
preprocessors: {
'test/index.js': ['rollup'],
'src/index.umd.ts': ['sources']
},
rollupPreprocessor: {
plugins: [
json(),
resolve(),
commonjs({exclude: ['src/**', 'test/**']}),
],
output: {
name: 'test',
format: 'umd',
sourcemap: karma.autoWatch ? 'inline' : false
}
},
customPreprocessors: {
sources: {
base: 'rollup',
options: build
}
},
// These settings deal with browser disconnects. We had seen test flakiness from Firefox
// [Firefox 56.0.0 (Linux 0.0.0)]: Disconnected (1 times), because no message in 10000 ms.
// https://github.com/jasmine/jasmine/issues/1327#issuecomment-332939551
browserDisconnectTolerance: 3
});
if (args.coverage) {
karma.reporters.push('coverage');
karma.coverageReporter = {
dir: 'coverage/',
reporters: [
{type: 'html', subdir: 'html'},
{type: 'lcovonly', subdir: (browser) => browser.toLowerCase().split(/[ /-]/)[0]}
]
};
}
};