gecko-dev/addon-sdk/source/test/test-content-loader.js

227 строки
5.4 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { Loader } = require('sdk/content/loader');
const self = require("sdk/self");
exports['test:contentURL'] = function(test) {
let loader = Loader(),
value, emitted = 0, changes = 0;
test.assertRaises(
function() loader.contentURL = undefined,
'The `contentURL` option must be a valid URL.',
'Must throw an exception if `contentURL` is not URL.'
);
test.assertRaises(
function() loader.contentURL = null,
'The `contentURL` option must be a valid URL.',
'Must throw an exception if `contentURL` is not URL.'
);
test.assertRaises(
function() loader.contentURL = 4,
'The `contentURL` option must be a valid URL.',
'Must throw an exception if `contentURL` is not URL.'
);
test.assertRaises(
function() loader.contentURL = { toString: function() 'Oops' },
'The `contentURL` option must be a valid URL.',
'Must throw an exception if `contentURL` is not URL.'
);
function listener(e) {
emitted ++;
test.assert(
'contentURL' in e,
'emitted event must contain "content" property'
);
test.assert(
value,
'' + e.contentURL,
'content property of an event must match value'
);
}
loader.on('propertyChange', listener);
test.assertEqual(
null,
loader.contentURL,
'default value is `null`'
);
loader.contentURL = value = 'data:text/html,<html><body>Hi</body><html>';
test.assertEqual(
value,
'' + loader.contentURL,
'data uri is ok'
);
test.assertEqual(
++changes,
emitted,
'had to emit `propertyChange`'
);
loader.contentURL = value;
test.assertEqual(
changes,
emitted,
'must not emit `propertyChange` if same value is set'
);
loader.contentURL = value = 'http://google.com/';
test.assertEqual(
value,
'' + loader.contentURL,
'value must be set'
);
test.assertEqual(
++ changes,
emitted,
'had to emit `propertyChange`'
);
loader.contentURL = value;
test.assertEqual(
changes,
emitted,
'must not emit `propertyChange` if same value is set'
);
loader.removeListener('propertyChange', listener);
loader.contentURL = value = 'about:blank';
test.assertEqual(
value,
'' + loader.contentURL,
'contentURL must be an actual value'
);
test.assertEqual(
changes,
emitted,
'listener had to be romeved'
);
};
exports['test:contentScriptWhen'] = function(test) {
let loader = Loader();
test.assertEqual(
'end',
loader.contentScriptWhen,
'`contentScriptWhen` defaults to "end"'
);
loader.contentScriptWhen = "end";
test.assertEqual(
"end",
loader.contentScriptWhen
);
try {
loader.contentScriptWhen = 'boom';
test.fail('must throw when wrong value is set');
} catch(e) {
test.assertEqual(
'The `contentScriptWhen` option must be either "start", "ready" or "end".',
e.message
);
}
loader.contentScriptWhen = null;
test.assertEqual(
'end',
loader.contentScriptWhen,
'`contentScriptWhen` defaults to "end"'
);
loader.contentScriptWhen = "ready";
test.assertEqual(
"ready",
loader.contentScriptWhen
);
loader.contentScriptWhen = "start";
test.assertEqual(
'start',
loader.contentScriptWhen
);
};
exports['test:contentScript'] = function(test) {
let loader = Loader(), value;
test.assertEqual(
null,
loader.contentScript,
'`contentScript` defaults to `null`'
);
loader.contentScript = value = 'let test = {};';
test.assertEqual(
value,
loader.contentScript
);
try {
loader.contentScript = { 1: value }
test.fail('must throw when wrong value is set');
} catch(e) {
test.assertEqual(
'The `contentScript` option must be a string or an array of strings.',
e.message
);
}
try {
loader.contentScript = ['oue', 2]
test.fail('must throw when wrong value is set');
} catch(e) {
test.assertEqual(
'The `contentScript` option must be a string or an array of strings.',
e.message
);
}
loader.contentScript = undefined;
test.assertEqual(
null,
loader.contentScript
);
loader.contentScript = value = ["1;", "2;"];
test.assertEqual(
value,
loader.contentScript
);
};
exports['test:contentScriptFile'] = function(test) {
let loader = Loader(), value, uri = self.data.url("test-content-loader.js");
test.assertEqual(
null,
loader.contentScriptFile,
'`contentScriptFile` defaults to `null`'
);
loader.contentScriptFile = value = uri;
test.assertEqual(
value,
loader.contentScriptFile
);
try {
loader.contentScriptFile = { 1: uri }
test.fail('must throw when wrong value is set');
} catch(e) {
test.assertEqual(
'The `contentScriptFile` option must be a local URL or an array of URLs.',
e.message
);
}
try {
loader.contentScriptFile = [ 'oue', uri ]
test.fail('must throw when wrong value is set');
} catch(e) {
test.assertEqual(
'The `contentScriptFile` option must be a local URL or an array of URLs.',
e.message
);
}
loader.contentScriptFile = undefined;
test.assertEqual(
null,
loader.contentScriptFile
);
loader.contentScriptFile = value = [uri];
test.assertEqual(
value,
loader.contentScriptFile
);
};