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test.ts
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import test from 'ava';
// @ts-ignore
import browserEnv from 'browser-env';
import isDnt from './dist';
/*
Frequent usage of `// @ts-ignore` in this file is intentional:
`window` in lib.dom.d.ts is defined as a readonly property.
However, for testing purposes we need to be able to manually set that property using browser-env!
*/
browserEnv(['window', 'navigator']);
test('Do Not Track API unavailable', t => {
t.is(isDnt(), undefined);
});
test('supports `window.doNotTrack`', t => {
// @ts-ignore
window.doNotTrack = '1';
t.is(isDnt(), true);
// @ts-ignore
window.doNotTrack = '0';
t.is(isDnt(), false);
// @ts-ignore
window.doNotTrack = 'null';
t.is(isDnt(), false);
// @ts-ignore
window.doNotTrack = 'unspecified';
t.is(isDnt(), false);
// @ts-ignore
window.doNotTrack = undefined;
});
test('supports `navigator.doNotTrack`', t => {
// @ts-ignore
navigator.doNotTrack = '1';
t.is(isDnt(), true);
// @ts-ignore
navigator.doNotTrack = 'yes';
t.is(isDnt(), true);
// @ts-ignore
navigator.doNotTrack = '0';
t.is(isDnt(), false);
// @ts-ignore
navigator.doNotTrack = 'no';
t.is(isDnt(), false);
// @ts-ignore
window.doNotTrack = 'unspecified';
t.is(isDnt(), false);
// @ts-ignore
navigator.doNotTrack = undefined;
});
test('supports `navigator.msDoNotTrack`', t => {
// @ts-ignore
navigator.msDoNotTrack = '1';
t.is(isDnt(), true);
// @ts-ignore
navigator.msDoNotTrack = '0';
t.is(isDnt(), false);
// @ts-ignore
navigator.msDoNotTrack = undefined;
});
test('supports `window.external.msTrackingProtectionEnabled`', t => {
// @ts-ignore
window.external.msTrackingProtectionEnabled = () => true;
t.is(isDnt(), true);
// @ts-ignore
window.external.msTrackingProtectionEnabled = () => false;
t.is(isDnt(), false);
// @ts-ignore
window.external.msTrackingProtectionEnabled = undefined;
});