diff options
Diffstat (limited to 'devtools/shared/commands/resource/tests/browser_resources_sources.js')
| -rw-r--r-- | devtools/shared/commands/resource/tests/browser_resources_sources.js | 450 |
1 files changed, 450 insertions, 0 deletions
diff --git a/devtools/shared/commands/resource/tests/browser_resources_sources.js b/devtools/shared/commands/resource/tests/browser_resources_sources.js new file mode 100644 index 0000000000..8347d77e52 --- /dev/null +++ b/devtools/shared/commands/resource/tests/browser_resources_sources.js @@ -0,0 +1,450 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +// Test the ResourceCommand API around SOURCE. +// +// We cover each Spidermonkey Debugger Source's `introductionType`: +// https://searchfox.org/mozilla-central/rev/4c184ca81b28f1ccffbfd08f465709b95bcb4aa1/js/src/doc/Debugger/Debugger.Source.md#172-213 +// +// And especially cover sources being GC-ed before DevTools are opened +// which are later recreated by `ThreadActor.resurrectSource`. + +const ResourceCommand = require("resource://devtools/shared/commands/resource/resource-command.js"); + +const TEST_URL = URL_ROOT_SSL + "sources.html"; + +const TEST_JS_URL = URL_ROOT_SSL + "sources.js"; +const TEST_WORKER_URL = URL_ROOT_SSL + "worker-sources.js"; +const TEST_SW_URL = URL_ROOT_SSL + "service-worker-sources.js"; + +async function getExpectedResources(ignoreUnresurrectedSources = false) { + const htmlRequest = await fetch(TEST_URL); + const htmlContent = await htmlRequest.text(); + + // First list sources that aren't GC-ed, or that the thread actor is able to resurrect + const expectedSources = [ + { + description: "eval", + sourceForm: { + introductionType: "eval", + sourceMapBaseURL: TEST_URL, + url: null, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "this.global = function evalFunction() {}", + }, + }, + { + description: "new Function()", + sourceForm: { + introductionType: "Function", + sourceMapBaseURL: TEST_URL, + url: null, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "return 42;", + }, + }, + { + description: "Event Handler", + sourceForm: { + introductionType: "eventHandler", + sourceMapBaseURL: TEST_URL, + url: null, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "console.log('link')", + }, + }, + { + description: "inline JS inserted at runtime", + sourceForm: { + introductionType: "scriptElement", // This is an injectedScript at SpiderMonkey level, but is translated into scriptElement by SourceActor.form() + sourceMapBaseURL: TEST_URL, + url: null, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "console.log('inline-script')", + }, + }, + { + description: "inline JS", + sourceForm: { + introductionType: "scriptElement", // This is an inlineScript at SpiderMonkey level, but is translated into scriptElement by SourceActor.form() + sourceMapBaseURL: TEST_URL, + url: TEST_URL, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: true, + }, + sourceContent: { + contentType: "text/html", + source: htmlContent, + }, + }, + { + description: "worker script", + sourceForm: { + introductionType: undefined, + sourceMapBaseURL: TEST_WORKER_URL, + url: TEST_WORKER_URL, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "/* eslint-disable */\nfunction workerSource() {}\n", + }, + }, + { + description: "service worker script", + sourceForm: { + introductionType: undefined, + sourceMapBaseURL: TEST_SW_URL, + url: TEST_SW_URL, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "/* eslint-disable */\nfunction serviceWorkerSource() {}\n", + }, + }, + { + description: "independent js file", + sourceForm: { + introductionType: "scriptElement", // This is an srcScript at SpiderMonkey level, but is translated into scriptElement by SourceActor.form() + sourceMapBaseURL: TEST_JS_URL, + url: TEST_JS_URL, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "/* eslint-disable */\nfunction scriptSource() {}\n", + }, + }, + ]; + + // Now list the sources that could be GC-ed for which the thread actor isn't able to resurrect. + // This is the sources that we can't assert when we fetch sources after the page is already loaded. + const unresurrectedSources = [ + { + description: "DOM Timer", + sourceForm: { + introductionType: "domTimer", + sourceMapBaseURL: TEST_URL, + url: null, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + /* the domTimer is prefixed by many empty lines in order to be positioned at the same line + as in the HTML file where setTimeout is called. + This is probably done by SourceActor.actualText(). + So the array size here, should be updated to match the line number of setTimeout call */ + source: new Array(39).join("\n") + `console.log("timeout")`, + }, + }, + { + description: "javascript URL", + sourceForm: { + introductionType: "javascriptURL", + sourceMapBaseURL: isEveryFrameTargetEnabled() + ? "about:blank" + : TEST_URL, + url: null, + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "666", + }, + }, + { + description: "srcdoc attribute on iframes #1", + sourceForm: { + introductionType: "scriptElement", + // We do not assert url/sourceMapBaseURL as it includes the Debugger.Source.id + // which is random + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "console.log('srcdoc')", + }, + }, + { + description: "srcdoc attribute on iframes #2", + sourceForm: { + introductionType: "scriptElement", + // We do not assert url/sourceMapBaseURL as it includes the Debugger.Source.id + // which is random + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "console.log('srcdoc 2')", + }, + }, + ]; + + if (ignoreUnresurrectedSources) { + return expectedSources; + } + return expectedSources.concat(unresurrectedSources); +} + +add_task(async function testSourcesOnload() { + // Load an blank document first, in order to load the test page only once we already + // started watching for sources + const tab = await addTab("about:blank"); + + const commands = await CommandsFactory.forTab(tab); + const { targetCommand, resourceCommand } = commands; + + // Force the target list to cover workers and debug all the targets + targetCommand.listenForWorkers = true; + targetCommand.listenForServiceWorkers = true; + await targetCommand.startListening(); + + info("Check already available resources"); + const availableResources = []; + await resourceCommand.watchResources([resourceCommand.TYPES.SOURCE], { + onAvailable: resources => availableResources.push(...resources), + }); + + await BrowserTestUtils.loadURI(tab.linkedBrowser, TEST_URL); + + // Some sources may be created after the document is done loading (like eventHandler usecase) + // so we may be received *after* watchResource resolved + const expectedResources = await getExpectedResources(); + await waitFor( + () => availableResources.length >= expectedResources.length, + "Got all the sources" + ); + + await assertResources(availableResources, expectedResources); + + await commands.destroy(); + + await SpecialPowers.spawn(tab.linkedBrowser, [], async () => { + // registrationPromise is set by the test page. + const registration = await content.wrappedJSObject.registrationPromise; + registration.unregister(); + }); +}); + +add_task(async function testGarbagedCollectedSources() { + info( + "Assert SOURCES on an already loaded page with some sources that have been GC-ed" + ); + const tab = await addTab(TEST_URL); + + info("Force some GC to free some sources"); + await SpecialPowers.spawn(tab.linkedBrowser, [], async () => { + Cu.forceGC(); + Cu.forceCC(); + }); + + const commands = await CommandsFactory.forTab(tab); + const { targetCommand, resourceCommand } = commands; + + // Force the target list to cover workers and debug all the targets + targetCommand.listenForWorkers = true; + targetCommand.listenForServiceWorkers = true; + await targetCommand.startListening(); + + info("Check already available resources"); + const availableResources = []; + await resourceCommand.watchResources([resourceCommand.TYPES.SOURCE], { + onAvailable: resources => availableResources.push(...resources), + }); + + // Some sources may be created after the document is done loading (like eventHandler usecase) + // so we may be received *after* watchResource resolved + const expectedResources = await getExpectedResources(true); + await waitFor( + () => availableResources.length >= expectedResources.length, + "Got all the sources" + ); + + await assertResources(availableResources, expectedResources); + + await commands.destroy(); + + await SpecialPowers.spawn(tab.linkedBrowser, [], async () => { + // registrationPromise is set by the test page. + const registration = await content.wrappedJSObject.registrationPromise; + registration.unregister(); + }); +}); + +/** + * Assert that evaluating sources for a new global, in the parent process + * using the shared system principal will spawn SOURCE resources. + * + * For this we use a special `commands` which replicate what browser console + * and toolbox use. + */ +add_task(async function testParentProcessPrivilegedSources() { + // Use a custom loader + server + client in order to spawn the server + // in a distinct system compartment, so that it can see the system compartment + // sandbox we are about to create in this test + const client = await CommandsFactory.spawnClientToDebugSystemPrincipal(); + + const commands = await CommandsFactory.forMainProcess({ client }); + await commands.targetCommand.startListening(); + const { resourceCommand } = commands; + + info("Check already available resources"); + const availableResources = []; + await resourceCommand.watchResources([resourceCommand.TYPES.SOURCE], { + onAvailable: resources => availableResources.push(...resources), + }); + ok( + !!availableResources.length, + "We get many sources reported from a multiprocess command" + ); + + // Clear the list of sources + availableResources.length = 0; + + // Force the creation of a new privileged source + const systemPrincipal = Cc["@mozilla.org/systemprincipal;1"].createInstance( + Ci.nsIPrincipal + ); + const sandbox = Cu.Sandbox(systemPrincipal); + Cu.evalInSandbox("function foo() {}", sandbox, null, "http://foo.com"); + + info("Wait for the sandbox source"); + await waitFor(() => { + return availableResources.some( + resource => resource.url == "http://foo.com/" + ); + }); + + const expectedResources = [ + { + description: "privileged sandbox script", + sourceForm: { + introductionType: undefined, + sourceMapBaseURL: "http://foo.com/", + url: "http://foo.com/", + isBlackBoxed: false, + sourceMapURL: null, + extensionName: null, + isInlineSource: false, + }, + sourceContent: { + contentType: "text/javascript", + source: "function foo() {}", + }, + }, + ]; + const matchingResource = availableResources.filter(resource => + resource.url.includes("http://foo.com") + ); + await assertResources(matchingResource, expectedResources); + + await commands.destroy(); +}); + +async function assertResources(resources, expected) { + is( + resources.length, + expected.length, + "Length of existing resources is correct at initial" + ); + for (let i = 0; i < resources.length; i++) { + await assertResource(resources[i], expected); + } +} + +async function assertResource(source, expected) { + is( + source.resourceType, + ResourceCommand.TYPES.SOURCE, + "Resource type is correct" + ); + + const threadFront = await source.targetFront.getFront("thread"); + // `source` is SourceActor's form() + // so try to instantiate the related SourceFront: + const sourceFront = threadFront.source(source); + // then fetch source content + const sourceContent = await sourceFront.source(); + + // Order of sources is random, so we have to find the best expected resource. + // The only unique attribute is the JS Source text content. + const matchingExpected = expected.find(res => { + return res.sourceContent.source == sourceContent.source; + }); + ok( + matchingExpected, + `This source was expected with source content being "${sourceContent.source}"` + ); + info(`Found "#${matchingExpected.description}"`); + assertObject( + sourceContent, + matchingExpected.sourceContent, + matchingExpected.description + ); + + assertObject( + source, + matchingExpected.sourceForm, + matchingExpected.description + ); +} + +function assertObject(object, expected, description) { + for (const field in expected) { + is( + object[field], + expected[field], + `The value of ${field} is correct for "#${description}"` + ); + } +} |