chrome/test/data/extensions/api_test/executescript/destructive/test.js - chromium/src - Git at Google

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 // This script is run multiple times with different configurations. The content
 // scripts need to determine synchronously which subtest is being run. This
 // state is communicated via the URL.
 var TEST_HOST = location.search.slice(1);
 chrome.test.assertTrue(
     TEST_HOST !== '',
     'The subtest type must be specified in the query string.');

 var config;
 var tabId;

 function getTestUrl(page) {
   return 'http://' + TEST_HOST + ':' + config.testServer.port +
       '/extensions/api_test/executescript/destructive/' + page;
 }

 chrome.test.getConfig(function(config) {
   window.config = config;

   chrome.tabs.create({url: 'about:blank'}, function(tab) {
     tabId = tab.id;
     startTest();
   });
 });

 function startTest() {
   // These tests load a page that contains a frame, where a content script will
   // be run (and remove the frame). The injection point depends on the URL:
   // - ?blankstart = Load a script in the blank frame at document_start.
   // - ?blankend = Load a script in the blank frame at document_end.
   // - ?start = Load a script in the non-blank frame at document_start.
   // - ?end = Load a script in the non-blank frame at document_end.

   var kEmptyHtmlBodyPattern = /<body><\/body>/;

   var allTests = [
     // Empty document.
     function removeHttpFrameAtDocumentStart() {
       testRemoveSelf('empty_frame.html?start');
     },

     function removeHttpFrameAtDocumentEnd() {
       testRemoveSelf('empty_frame.html?end', kEmptyHtmlBodyPattern);
     },

     // about:blank
     function removeAboutBlankAtDocumentStart() {
       testRemoveSelf('about_blank_frame.html?blankstart');
     },

     function removeAboutBlankAtDocumentEnd() {
       testRemoveSelf('about_blank_frame.html?blankend', kEmptyHtmlBodyPattern);
     },

     // srcdoc frame with a HTML tag
     function removeAboutSrcdocHtmlAtDocumentStart() {
       testRemoveSelf('srcdoc_html_frame.html?blankstart');
     },

     function removeAboutSrcdocHtmlAtDocumentEnd() {
       testRemoveSelf('srcdoc_html_frame.html?blankend', /<br>/);
     },

     // srcdoc frame with text
     function removeAboutSrcdocTextOnlyAtDocumentStart() {
       testRemoveSelf('srcdoc_text_frame.html?blankstart');
     },

     function removeAboutSrcdocTextOnlyAtDocumentEnd() {
       testRemoveSelf('srcdoc_text_frame.html?blankend', /text/);
     },

     // <iframe></iframe> (no URL)
     function removeFrameWithoutUrlAtDocumentStart() {
       testRemoveSelf('no_url_frame.html?blankstart');
     },

     function removeFrameWithoutUrlAtDocumentEnd() {
       testRemoveSelf('no_url_frame.html?blankend', kEmptyHtmlBodyPattern);
     },

     // An image.
     function removeImageAtDocumentStart() {
       testRemoveSelf('image_frame.html?start');
     },

     function removeImageAtDocumentEnd() {
       testRemoveSelf('image_frame.html?end', /<img/);
     },

     // Audio (media).
     function removeAudioAtDocumentStart() {
       testRemoveSelf('audio_frame.html?start');
     },

     function removeAudioAtDocumentEnd() {
       testRemoveSelf('audio_frame.html?end', /<video.+ type="audio\//);
     },

     // Video (media).
     function removeVideoAtDocumentStart() {
       testRemoveSelf('video_frame.html?start');
     },

     function removeVideoAtDocumentEnd() {
       testRemoveSelf('video_frame.html?end', /<video.+ type="video\//);
     },

     // Plugins
     function removePluginAtDocumentStart() {
       if (maybeSkipPluginTest())
         return;
       testRemoveSelf('plugin_frame.html?start');
     },

     function removePluginAtDocumentEnd() {
       if (maybeSkipPluginTest())
         return;
       testRemoveSelf('plugin_frame.html?end', /<embed/);
     },

     // Plain text
     function removePlainTextAtDocumentStart() {
       testRemoveSelf('txt_frame.html?start');
     },

     function removePlainTextAtDocumentEnd() {
       testRemoveSelf('txt_frame.html?end', /<pre/);
     },

     // XHTML
     function removeXhtmlAtDocumentStart() {
       testRemoveSelf(
           'xhtml_frame.html?start',
           /<html xmlns="http:\/\/www\.w3\.org\/1999\/xhtml"><\/html>/);
     },

     function removeXhtmlAtDocumentEnd() {
       testRemoveSelf(
           'xhtml_frame.html?end',
           /<html xmlns="http:\/\/www\.w3\.org\/1999\/xhtml">/);
     },

     // XML
     function removeXmlAtDocumentStart() {
       testRemoveSelf('xml_frame.html?start', /<root\/>/);
     },

     function removeXmlAtDocumentEnd() {
       testRemoveSelf('xml_frame.html?end', /<root><child\/><\/root>/);
     },
   ];

   // Parameters defined in execute_script_apitest.cc.
   var testParams = new URLSearchParams(location.hash.slice(1));
   var kBucketCount = parseInt(testParams.get('bucketcount'));
   var kBucketIndex = parseInt(testParams.get('bucketindex'));
   var kTestsPerBucket = Math.ceil(allTests.length / kBucketCount);

   chrome.test.assertTrue(kBucketCount * kTestsPerBucket >= allTests.length,
       'To cover all tests, the number of buckets multiplied by the number of ' +
       'tests per bucket must be at least as big as the number of tests.');
   chrome.test.assertTrue(0 <= kBucketIndex >= 0 && kBucketIndex < kBucketCount,
       'There are only ' + kBucketCount + ' buckets, so the bucket index must ' +
       'be between 0 and ' + kBucketCount + ', but it was ' + kBucketIndex);

   // Every run except for the last run contains |kTestsPerBucket| tests. The
   // last run (i.e. |kBucketIndex| = |kBucketCount| - 1) may contain fewer tests
   // if there are not enough remaining tests, since the total number of tests is
   // not necessarily divisible by |kTestsPerBucket|.
   var filteredTests =
     allTests.slice(kBucketIndex * kTestsPerBucket).slice(0, kTestsPerBucket);

   // At the document_end stage, the parser will not modify the DOM any more, so
   // we can skip those tests that wait for DOM mutations to save time.
   if (TEST_HOST.startsWith('dom')) {
     filteredTests = filteredTests.filter(function(testfn) {
       // Omit the *Documentend tests = keep the *DocumentStart tests.
       return !testfn.name.endsWith('DocumentEnd');
     });
   }
   chrome.test.runTests(filteredTests);
 }

 // |page| must be an existing page in this directory, and the URL must be
 // matched by one content script. Otherwise the test will time out.
 //
 // If the regular expression |pattern| is specified, then the serialization of
 // the frame content must match the pattern. This ensures that the tests are
 // still testing the expected document in the future.
 function testRemoveSelf(page, pattern) {
   // By default, the serialization of the document must be non-empty.
   var kDefaultPattern = /</;

   if (page.includes('start')) {
     pattern = pattern || /^<html><\/html>$/;
     pattern = TEST_HOST === 'synchronous' ? pattern : kDefaultPattern;
   } else if (page.includes('end')) {
     pattern = pattern || kDefaultPattern;
   } else {
     chrome.test.fail('URL must contain "start" or "end": ' + page);
   }

   chrome.test.listenOnce(chrome.runtime.onMessage, function(msg, sender) {
     chrome.test.assertEq(tabId, sender.tab && sender.tab.id);
     chrome.test.assertEq(0, sender.frameId);

     var frameHTML = msg.frameHTML;
     delete msg.frameHTML;
     chrome.test.assertEq({frameCount: 0}, msg);

     chrome.test.assertTrue(
         pattern.test(frameHTML),
         'The pattern ' + pattern + ' should be matched by: ' + frameHTML);
   });
   chrome.tabs.update(tabId, {url: getTestUrl(page)});
 }

 // The plugin test requires a plugin to be installed. Skip the test if plugins
 // are not supported.
 function maybeSkipPluginTest() {
   // This MIME-type should be handled by a browser plugin.
   var kPluginMimeType = 'application/pdf';
   for (var i = 0; i < navigator.plugins.length; ++i) {
     var plugin = navigator.plugins[i];
     for (var j = 0; j < plugin.length; ++j) {
       var mimeType = plugin[j];
       if (mimeType.type === kPluginMimeType)
         return false;
     }
   }
   var kMessage = 'Plugin not found for ' + kPluginMimeType + ', skipping test.';
   console.log(kMessage);
   chrome.test.log(kMessage);
   chrome.test.succeed();
   return true;
 }
	// Copyright 2016 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	// This script is run multiple times with different configurations. The content
	// scripts need to determine synchronously which subtest is being run. This
	// state is communicated via the URL.
	var TEST_HOST = location.search.slice(1);
	chrome.test.assertTrue(
	TEST_HOST !== '',
	'The subtest type must be specified in the query string.');

	var config;
	var tabId;

	function getTestUrl(page) {
	return 'http://' + TEST_HOST + ':' + config.testServer.port +
	'/extensions/api_test/executescript/destructive/' + page;
	}

	chrome.test.getConfig(function(config) {
	window.config = config;

	chrome.tabs.create({url: 'about:blank'}, function(tab) {
	tabId = tab.id;
	startTest();
	});
	});

	function startTest() {
	// These tests load a page that contains a frame, where a content script will
	// be run (and remove the frame). The injection point depends on the URL:
	// - ?blankstart = Load a script in the blank frame at document_start.
	// - ?blankend = Load a script in the blank frame at document_end.
	// - ?start = Load a script in the non-blank frame at document_start.
	// - ?end = Load a script in the non-blank frame at document_end.

	var kEmptyHtmlBodyPattern = /<body><\/body>/;

	var allTests = [
	// Empty document.
	function removeHttpFrameAtDocumentStart() {
	testRemoveSelf('empty_frame.html?start');
	},

	function removeHttpFrameAtDocumentEnd() {
	testRemoveSelf('empty_frame.html?end', kEmptyHtmlBodyPattern);
	},

	// about:blank
	function removeAboutBlankAtDocumentStart() {
	testRemoveSelf('about_blank_frame.html?blankstart');
	},

	function removeAboutBlankAtDocumentEnd() {
	testRemoveSelf('about_blank_frame.html?blankend', kEmptyHtmlBodyPattern);
	},

	// srcdoc frame with a HTML tag
	function removeAboutSrcdocHtmlAtDocumentStart() {
	testRemoveSelf('srcdoc_html_frame.html?blankstart');
	},

	function removeAboutSrcdocHtmlAtDocumentEnd() {
	testRemoveSelf('srcdoc_html_frame.html?blankend', /<br>/);
	},

	// srcdoc frame with text
	function removeAboutSrcdocTextOnlyAtDocumentStart() {
	testRemoveSelf('srcdoc_text_frame.html?blankstart');
	},

	function removeAboutSrcdocTextOnlyAtDocumentEnd() {
	testRemoveSelf('srcdoc_text_frame.html?blankend', /text/);
	},

	// <iframe></iframe> (no URL)
	function removeFrameWithoutUrlAtDocumentStart() {
	testRemoveSelf('no_url_frame.html?blankstart');
	},

	function removeFrameWithoutUrlAtDocumentEnd() {
	testRemoveSelf('no_url_frame.html?blankend', kEmptyHtmlBodyPattern);
	},

	// An image.
	function removeImageAtDocumentStart() {
	testRemoveSelf('image_frame.html?start');
	},

	function removeImageAtDocumentEnd() {
	testRemoveSelf('image_frame.html?end', /<img/);
	},

	// Audio (media).
	function removeAudioAtDocumentStart() {
	testRemoveSelf('audio_frame.html?start');
	},

	function removeAudioAtDocumentEnd() {
	testRemoveSelf('audio_frame.html?end', /<video.+ type="audio\//);
	},

	// Video (media).
	function removeVideoAtDocumentStart() {
	testRemoveSelf('video_frame.html?start');
	},

	function removeVideoAtDocumentEnd() {
	testRemoveSelf('video_frame.html?end', /<video.+ type="video\//);
	},

	// Plugins
	function removePluginAtDocumentStart() {
	if (maybeSkipPluginTest())
	return;
	testRemoveSelf('plugin_frame.html?start');
	},

	function removePluginAtDocumentEnd() {
	if (maybeSkipPluginTest())
	return;
	testRemoveSelf('plugin_frame.html?end', /<embed/);
	},

	// Plain text
	function removePlainTextAtDocumentStart() {
	testRemoveSelf('txt_frame.html?start');
	},

	function removePlainTextAtDocumentEnd() {
	testRemoveSelf('txt_frame.html?end', /<pre/);
	},

	// XHTML
	function removeXhtmlAtDocumentStart() {
	testRemoveSelf(
	'xhtml_frame.html?start',
	/<html xmlns="http:\/\/www\.w3\.org\/1999\/xhtml"><\/html>/);
	},

	function removeXhtmlAtDocumentEnd() {
	testRemoveSelf(
	'xhtml_frame.html?end',
	/<html xmlns="http:\/\/www\.w3\.org\/1999\/xhtml">/);
	},

	// XML
	function removeXmlAtDocumentStart() {
	testRemoveSelf('xml_frame.html?start', /<root\/>/);
	},

	function removeXmlAtDocumentEnd() {
	testRemoveSelf('xml_frame.html?end', /<root><child\/><\/root>/);
	},
	];

	// Parameters defined in execute_script_apitest.cc.
	var testParams = new URLSearchParams(location.hash.slice(1));
	var kBucketCount = parseInt(testParams.get('bucketcount'));
	var kBucketIndex = parseInt(testParams.get('bucketindex'));
	var kTestsPerBucket = Math.ceil(allTests.length / kBucketCount);

	chrome.test.assertTrue(kBucketCount * kTestsPerBucket >= allTests.length,
	'To cover all tests, the number of buckets multiplied by the number of ' +
	'tests per bucket must be at least as big as the number of tests.');
	chrome.test.assertTrue(0 <= kBucketIndex >= 0 && kBucketIndex < kBucketCount,
	'There are only ' + kBucketCount + ' buckets, so the bucket index must ' +
	'be between 0 and ' + kBucketCount + ', but it was ' + kBucketIndex);

	// Every run except for the last run contains \|kTestsPerBucket\| tests. The
	// last run (i.e. \|kBucketIndex\| = \|kBucketCount\| - 1) may contain fewer tests
	// if there are not enough remaining tests, since the total number of tests is
	// not necessarily divisible by \|kTestsPerBucket\|.
	var filteredTests =
	allTests.slice(kBucketIndex * kTestsPerBucket).slice(0, kTestsPerBucket);

	// At the document_end stage, the parser will not modify the DOM any more, so
	// we can skip those tests that wait for DOM mutations to save time.
	if (TEST_HOST.startsWith('dom')) {
	filteredTests = filteredTests.filter(function(testfn) {
	// Omit the Documentend tests = keep the DocumentStart tests.
	return !testfn.name.endsWith('DocumentEnd');
	});
	}
	chrome.test.runTests(filteredTests);
	}

	// \|page\| must be an existing page in this directory, and the URL must be
	// matched by one content script. Otherwise the test will time out.
	//
	// If the regular expression \|pattern\| is specified, then the serialization of
	// the frame content must match the pattern. This ensures that the tests are
	// still testing the expected document in the future.
	function testRemoveSelf(page, pattern) {
	// By default, the serialization of the document must be non-empty.
	var kDefaultPattern = /</;

	if (page.includes('start')) {
	pattern = pattern \|\| /^<html><\/html>$/;
	pattern = TEST_HOST === 'synchronous' ? pattern : kDefaultPattern;
	} else if (page.includes('end')) {
	pattern = pattern \|\| kDefaultPattern;
	} else {
	chrome.test.fail('URL must contain "start" or "end": ' + page);
	}

	chrome.test.listenOnce(chrome.runtime.onMessage, function(msg, sender) {
	chrome.test.assertEq(tabId, sender.tab && sender.tab.id);
	chrome.test.assertEq(0, sender.frameId);

	var frameHTML = msg.frameHTML;
	delete msg.frameHTML;
	chrome.test.assertEq({frameCount: 0}, msg);

	chrome.test.assertTrue(
	pattern.test(frameHTML),
	'The pattern ' + pattern + ' should be matched by: ' + frameHTML);
	});
	chrome.tabs.update(tabId, {url: getTestUrl(page)});
	}

	// The plugin test requires a plugin to be installed. Skip the test if plugins
	// are not supported.
	function maybeSkipPluginTest() {
	// This MIME-type should be handled by a browser plugin.
	var kPluginMimeType = 'application/pdf';
	for (var i = 0; i < navigator.plugins.length; ++i) {
	var plugin = navigator.plugins[i];
	for (var j = 0; j < plugin.length; ++j) {
	var mimeType = plugin[j];
	if (mimeType.type === kPluginMimeType)
	return false;
	}
	}
	var kMessage = 'Plugin not found for ' + kPluginMimeType + ', skipping test.';
	console.log(kMessage);
	chrome.test.log(kMessage);
	chrome.test.succeed();
	return true;
	}