mediawiki.user.test.js
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mediawiki.user.test.js
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	QUnit.module( 'mediawiki.user', QUnit.newMwEnvironment(), ( hooks ) => {
	hooks.beforeEach( function () {
	this.server = this.sandbox.useFakeServer();
	this.server.respondImmediately = true;
	// Cannot stub by simple assignment because read-only.
	// Instead, stub in tests by using 'delete', and re-create
	// in teardown using the original descriptor (including its
	// accessors and readonly settings etc.)
	this.crypto = Object.getOwnPropertyDescriptor( window, 'crypto' );
	this.msCrypto = Object.getOwnPropertyDescriptor( window, 'msCrypto' );
	} );
	hooks.afterEach( function () {
	if ( this.crypto ) {
	Object.defineProperty( window, 'crypto', this.crypto );
	}
	if ( this.msCrypto ) {
	Object.defineProperty( window, 'msCrypto', this.msCrypto );
	}
	} );

	QUnit.test( 'options', ( assert ) => {
	assert.true( mw.user.options instanceof mw.Map, 'options instance of mw.Map' );
	} );

	QUnit.test( 'getters (anonymous)', ( assert ) => {
	// Forge an anonymous user
	mw.config.set( 'wgUserName', null );
	mw.config.set( 'wgUserId', null );

	assert.strictEqual( mw.user.getName(), null, 'getName()' );
	assert.strictEqual( mw.user.isAnon(), true, 'isAnon()' );
	assert.strictEqual( mw.user.getId(), 0, 'getId()' );
	} );

	QUnit.test( 'getters (logged-in)', ( assert ) => {
	mw.config.set( 'wgUserName', 'John' );
	mw.config.set( 'wgUserIsTemp', false );
	mw.config.set( 'wgUserId', 123 );

	assert.strictEqual( mw.user.getName(), 'John', 'getName()' );
	assert.strictEqual( mw.user.isAnon(), false, 'isAnon()' );
	assert.strictEqual( mw.user.getId(), 123, 'getId()' );
	assert.strictEqual( mw.user.isNamed(), true, 'isNamed()' );
	assert.strictEqual( mw.user.isTemp(), false, 'isTemp()' );

	assert.strictEqual( mw.user.id(), 'John', 'user.id()' );
	} );

	QUnit.test( 'getGroups (callback)', ( assert ) => {
	const done = assert.async();
	mw.config.set( 'wgUserGroups', [ '*', 'user' ] );

	mw.user.getGroups( ( groups ) => {
	assert.deepEqual( groups, [ '*', 'user' ], 'Result' );
	done();
	} );
	} );

	QUnit.test( 'getGroups (Promise)', ( assert ) => {
	mw.config.set( 'wgUserGroups', [ '*', 'user' ] );

	return mw.user.getGroups().then( ( groups ) => {
	assert.deepEqual( groups, [ '*', 'user' ], 'Result' );
	} );
	} );

	QUnit.test( 'getRights (callback)', function ( assert ) {
	const done = assert.async();

	this.server.respond( [ 200, { 'Content-Type': 'application/json' },
	'{ "query": { "userinfo": { "groups": [ "unused" ], "rights": [ "read", "edit", "createtalk" ] } } }'
	] );

	mw.user.getRights( ( rights ) => {
	assert.deepEqual( rights, [ 'read', 'edit', 'createtalk' ], 'Result (callback)' );
	done();
	} );
	} );

	QUnit.test( 'getRights (Promise)', function ( assert ) {
	this.server.respond( [ 200, { 'Content-Type': 'application/json' },
	'{ "query": { "userinfo": { "groups": [ "unused" ], "rights": [ "read", "edit", "createtalk" ] } } }'
	] );

	return mw.user.getRights().then( ( rights ) => {
	assert.deepEqual( rights, [ 'read', 'edit', 'createtalk' ], 'Result (promise)' );
	} );
	} );

	QUnit.test( 'generateRandomSessionId', ( assert ) => {
	const result = mw.user.generateRandomSessionId();
	assert.strictEqual( typeof result, 'string', 'type' );
	assert.strictEqual( result.trim(), result, 'no whitespace at beginning or end' );
	assert.strictEqual( result.length, 20, 'size' );

	const result2 = mw.user.generateRandomSessionId();
	assert.notStrictEqual( result, result2, 'different when called multiple times' );

	} );

	QUnit.test( 'generateRandomSessionId (fallback)', ( assert ) => {
	// Pretend crypto API is not there to test the Math.random fallback
	delete window.crypto;
	delete window.msCrypto;
	// Assert that the above actually worked. If we use the wrong method
	// of stubbing, JavaScript silently continues and we need to know that
	// it was the wrong method. As of writing, assigning undefined is
	// ineffective as the window property for Crypto is read-only.
	// However, deleting does work. (T203275)
	assert.strictEqual( window.crypto \|\| window.msCrypto, undefined, 'fallback is active' );

	const result = mw.user.generateRandomSessionId();
	assert.strictEqual( typeof result, 'string', 'type' );
	assert.strictEqual( result.trim(), result, 'no whitespace at beginning or end' );
	assert.strictEqual( result.length, 20, 'size' );

	const result2 = mw.user.generateRandomSessionId();
	assert.notStrictEqual( result, result2, 'different when called multiple times' );
	} );

	QUnit.test( 'getPageviewToken', ( assert ) => {
	const result = mw.user.getPageviewToken(),
	result2 = mw.user.getPageviewToken();
	assert.strictEqual( typeof result, 'string', 'type' );
	assert.strictEqual( /^[a-f0-9]{20}$/.test( result ), true, '20 HEX symbols string' );
	assert.strictEqual( result2, result, 'sticky' );
	} );

	QUnit.test( 'sessionId', ( assert ) => {
	const result = mw.user.sessionId(),
	result2 = mw.user.sessionId();
	assert.strictEqual( typeof result, 'string', 'type' );
	assert.strictEqual( result.trim(), result, 'no leading or trailing whitespace' );
	assert.strictEqual( result2, result, 'retained' );
	} );

	QUnit.module( 'clientPrefs', ( hooks ) => {
	const CLIENT_PREF_COOKIE_NAME = 'mwclientpreferences';
	let docClass;

	hooks.beforeEach( () => {
	docClass = document.documentElement.getAttribute( 'class' );
	document.documentElement.setAttribute( 'class', '' );
	// reset any cookies
	mw.cookie.set( CLIENT_PREF_COOKIE_NAME, null );
	// simulate logged-out status for most clientPrefs tests
	mw.config.set( { wgUserName: null } );
	} );
	hooks.afterEach( () => {
	mw.cookie.set( CLIENT_PREF_COOKIE_NAME, null );
	document.documentElement.setAttribute( 'class', docClass );
	} );

	QUnit.test( 'get() [from HTML element]', ( assert ) => {
	document.documentElement.setAttribute( 'class', 'client-js font-size-clientpref-1 font-size-clientpref-unrelated-class invalid-clientpref-bad-value ambiguous-clientpref-off ambiguous-clientpref-on' );
	const result = mw.user.clientPrefs.get( 'font-size' );
	const badValue = mw.user.clientPrefs.get( 'invalid' );
	const ambiguousValue = mw.user.clientPrefs.get( 'ambiguous' );
	assert.strictEqual( result, '1', 'client preferences are read from HTML element' );
	assert.strictEqual( badValue, false, 'classes in the wrong format are ignored.' );
	assert.strictEqual( ambiguousValue, false, 'ambiguous values are resolved to false' );
	} );

	QUnit.test( 'get() [never read from cookie]', ( assert ) => {
	mw.cookie.set( CLIENT_PREF_COOKIE_NAME, 'unknown~500' );
	const resultUnknown = mw.user.clientPrefs.get( 'unknown' );
	assert.false( resultUnknown,
	'if an appropriate class is not on the HTML element it returns false even if there is a value in the cookie' );
	} );

	QUnit.test( 'set() [valid preferences]', ( assert ) => {
	document.documentElement.classList.add( 'limited-width-clientpref-1', 'font-size-clientpref-100' );
	const resultLimitedWidth = mw.user.clientPrefs.set( 'limited-width', '0' );
	const resultFontSize = mw.user.clientPrefs.set( 'font-size', '10' );
	assert.true( resultLimitedWidth, 'the client preference limited width was set correctly' );
	assert.true( resultFontSize, 'the client preference font size was set correctly' );
	assert.true( document.documentElement.classList.contains( 'limited-width-clientpref-0' ),
	'the limited width class on the document was updated' );
	assert.true( document.documentElement.classList.contains( 'font-size-clientpref-10' ),
	'the font size classes on the document was updated correctly' );
	const mwclientpreferences = mw.cookie.get( CLIENT_PREF_COOKIE_NAME );
	assert.true(
	mwclientpreferences &&
	mwclientpreferences.includes( 'limited-width-clientpref-0' ) &&
	mwclientpreferences.includes( 'font-size-clientpref-10' ),
	'cookie was set correctly'
	);
	} );

	QUnit.test( 'set() [invalid preferences]', ( assert ) => {
	document.documentElement.classList.add( 'client-js' );
	const result = mw.user.clientPrefs.set( 'client', 'nojs' );
	assert.false( result, 'the client preference was rejected (lacking -clientpref- suffix)' );
	assert.true( document.documentElement.classList.contains( 'client-js' ), 'the classes on the document were not changed' );
	} );

	QUnit.test( 'set() [invalid characters]', ( assert ) => {
	document.documentElement.setAttribute( 'class', 'client-js bar-clientpref-1' );
	[
	[ 'client-js bar', 'nojs' ],
	[ 'bar-clientpref', '50' ],
	[ 'bar', ' client-nojs' ],
	[ 'bar', 'client-nojs' ],
	[ '', 'nothing' ],
	[ 'feature', '' ],
	[ 'foo!client~no-js!bar', 'hi' ]
	].forEach( ( test, i ) => {
	const result = mw.user.clientPrefs.set( test[ 0 ], test[ 1 ] );
	assert.false( result, 'the client preference was rejected (invalid characters in name) (test case ' + i + ')' );
	} );

	assert.strictEqual( document.documentElement.getAttribute( 'class' ), 'client-js bar-clientpref-1' );
	} );

	QUnit.test( 'set() [create cookie on change]', ( assert ) => {
	document.documentElement.setAttribute( 'class', 'dark-mode-clientpref-enabled' );
	let result = mw.user.clientPrefs.set( 'dark-mode', 'disabled' );
	assert.true( result, 'the client preference was stored successfully' );
	assert.strictEqual(
	document.documentElement.getAttribute( 'class' ),
	'dark-mode-clientpref-disabled',
	'the class was modified'
	);
	let mwclientpreferences = mw.cookie.get( CLIENT_PREF_COOKIE_NAME );
	assert.strictEqual(
	mwclientpreferences,
	'dark-mode-clientpref-disabled',
	'it was stored to a cookie'
	);
	result = mw.user.clientPrefs.set( 'dark-mode', 'enabled' );
	assert.true( result, 'the 2nd client preference was also stored successfully' );
	assert.strictEqual(
	document.documentElement.getAttribute( 'class' ),
	'dark-mode-clientpref-enabled',
	'the class was also modified again'
	);
	mwclientpreferences = mw.cookie.get( CLIENT_PREF_COOKIE_NAME );
	assert.strictEqual(
	mwclientpreferences,
	'dark-mode-clientpref-enabled',
	'always store even if it matches default as we have no knowledge of what the default could be'
	);
	} );

	QUnit.test( 'set() [always store values]', ( assert ) => {
	// set cookie and body classes
	document.documentElement.setAttribute( 'class', 'client-js not-a-feature-clientpref-bad-value font-clientpref-32 dark-mode-clientpref-32 limited-width-clientpref-enabled' );
	mw.user.clientPrefs.set( 'dark-mode', 'enabled' );
	const mwclientpreferences = mw.cookie.get( CLIENT_PREF_COOKIE_NAME );
	assert.strictEqual(
	mwclientpreferences,
	'dark-mode-clientpref-enabled',
	'always store even if it matches default as we have no knowledge of what the default could be'
	);
	} );

	QUnit.test( 'set() [throw if registered user]', ( assert ) => {
	mw.config.set( { wgUserName: 'Example' } );

	assert.throws( () => {
	mw.user.clientPrefs.set( 'foo', 'bar' );
	}, /unregistered users only/, 'error' );
	} );
	} );
	} );

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