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Diffstat (limited to '')
-rw-r--r-- | docshell/test/browser/browser_targetTopLevelLinkClicksToBlank.js | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/docshell/test/browser/browser_targetTopLevelLinkClicksToBlank.js b/docshell/test/browser/browser_targetTopLevelLinkClicksToBlank.js new file mode 100644 index 0000000000..9d5a91bef9 --- /dev/null +++ b/docshell/test/browser/browser_targetTopLevelLinkClicksToBlank.js @@ -0,0 +1,285 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +/** + * This test exercises the behaviour where user-initiated link clicks on + * the top-level document result in pageloads in a _blank target in a new + * browser window. + */ + +const TEST_PAGE = "https://example.com/browser/"; +const TEST_PAGE_2 = "https://example.com/browser/components/"; +const TEST_IFRAME_PAGE = + getRootDirectory(gTestPath).replace( + "chrome://mochitests/content", + "https://example.com" + ) + "dummy_iframe_page.html"; + +// There is an <a> element with this href=".." in the TEST_PAGE +// that we will click, which should take us up a level. +const LINK_URL = "https://example.com/"; + +/** + * Test that a user-initiated link click results in targeting to a new + * <browser> element, and that this properly sets the referrer on the newly + * loaded document. + */ +add_task(async function target_to_new_blank_browser() { + let win = await BrowserTestUtils.openNewBrowserWindow(); + let originalTab = win.gBrowser.selectedTab; + let originalBrowser = originalTab.linkedBrowser; + BrowserTestUtils.startLoadingURIString(originalBrowser, TEST_PAGE); + await BrowserTestUtils.browserLoaded(originalBrowser, false, TEST_PAGE); + + // Now set the targetTopLevelLinkClicksToBlank property to true, since it + // defaults to false. + originalBrowser.browsingContext.targetTopLevelLinkClicksToBlank = true; + + let newTabPromise = BrowserTestUtils.waitForNewTab(win.gBrowser, LINK_URL); + await SpecialPowers.spawn(originalBrowser, [], async () => { + let anchor = content.document.querySelector(`a[href=".."]`); + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + anchor.click(); + } finally { + userInput.destruct(); + } + }); + let newTab = await newTabPromise; + let newBrowser = newTab.linkedBrowser; + + Assert.ok( + originalBrowser !== newBrowser, + "A new browser should have been created." + ); + await SpecialPowers.spawn(newBrowser, [TEST_PAGE], async referrer => { + Assert.equal( + content.document.referrer, + referrer, + "Should have gotten the right referrer set" + ); + }); + await BrowserTestUtils.switchTab(win.gBrowser, originalTab); + BrowserTestUtils.removeTab(newTab); + + // Now do the same thing with a subframe targeting "_top". This should also + // get redirected to "_blank". + BrowserTestUtils.startLoadingURIString(originalBrowser, TEST_IFRAME_PAGE); + await BrowserTestUtils.browserLoaded( + originalBrowser, + false, + TEST_IFRAME_PAGE + ); + + newTabPromise = BrowserTestUtils.waitForNewTab(win.gBrowser, LINK_URL); + let frameBC1 = originalBrowser.browsingContext.children[0]; + Assert.ok(frameBC1, "Should have found a subframe BrowsingContext"); + + await SpecialPowers.spawn(frameBC1, [LINK_URL], async linkUrl => { + let anchor = content.document.createElement("a"); + anchor.setAttribute("href", linkUrl); + anchor.setAttribute("target", "_top"); + content.document.body.appendChild(anchor); + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + anchor.click(); + } finally { + userInput.destruct(); + } + }); + newTab = await newTabPromise; + newBrowser = newTab.linkedBrowser; + + Assert.ok( + originalBrowser !== newBrowser, + "A new browser should have been created." + ); + await SpecialPowers.spawn( + newBrowser, + [frameBC1.currentURI.spec], + async referrer => { + Assert.equal( + content.document.referrer, + referrer, + "Should have gotten the right referrer set" + ); + } + ); + await BrowserTestUtils.switchTab(win.gBrowser, originalTab); + BrowserTestUtils.removeTab(newTab); + + await BrowserTestUtils.closeWindow(win); +}); + +/** + * Test that we don't target to _blank loads caused by: + * 1. POST requests + * 2. Any load that isn't "normal" (in the nsIDocShell.LOAD_CMD_NORMAL sense) + * 3. Any loads that are caused by location.replace + * 4. Any loads that were caused by setting location.href + * 5. Link clicks fired without user interaction. + */ +add_task(async function skip_blank_target_for_some_loads() { + let win = await BrowserTestUtils.openNewBrowserWindow(); + let currentBrowser = win.gBrowser.selectedBrowser; + BrowserTestUtils.startLoadingURIString(currentBrowser, TEST_PAGE); + await BrowserTestUtils.browserLoaded(currentBrowser, false, TEST_PAGE); + + // Now set the targetTopLevelLinkClicksToBlank property to true, since it + // defaults to false. + currentBrowser.browsingContext.targetTopLevelLinkClicksToBlank = true; + + let ensureSingleBrowser = () => { + Assert.equal( + win.gBrowser.browsers.length, + 1, + "There should only be 1 browser." + ); + + Assert.ok( + currentBrowser.browsingContext.targetTopLevelLinkClicksToBlank, + "Should still be targeting top-level clicks to _blank" + ); + }; + + // First we'll test a POST request + let sameBrowserLoad = BrowserTestUtils.browserLoaded( + currentBrowser, + false, + TEST_PAGE + ); + await SpecialPowers.spawn(currentBrowser, [], async () => { + let doc = content.document; + let form = doc.createElement("form"); + form.setAttribute("method", "post"); + doc.body.appendChild(form); + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + form.submit(); + } finally { + userInput.destruct(); + } + }); + await sameBrowserLoad; + ensureSingleBrowser(); + + // Next, we'll try a non-normal load - specifically, we'll try a reload. + // Since we've got a page loaded via a POST request, an attempt to reload + // will cause the "repost" dialog to appear, so we temporarily allow the + // repost to go through with the always_accept testing pref. + await SpecialPowers.pushPrefEnv({ + set: [["dom.confirm_repost.testing.always_accept", true]], + }); + sameBrowserLoad = BrowserTestUtils.browserLoaded( + currentBrowser, + false, + TEST_PAGE + ); + await SpecialPowers.spawn(currentBrowser, [], async () => { + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + content.location.reload(); + } finally { + userInput.destruct(); + } + }); + await sameBrowserLoad; + ensureSingleBrowser(); + await SpecialPowers.popPrefEnv(); + + // Next, we'll try a location.replace + sameBrowserLoad = BrowserTestUtils.browserLoaded( + currentBrowser, + false, + TEST_PAGE_2 + ); + await SpecialPowers.spawn(currentBrowser, [TEST_PAGE_2], async page2 => { + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + content.location.replace(page2); + } finally { + userInput.destruct(); + } + }); + await sameBrowserLoad; + ensureSingleBrowser(); + + // Finally we'll try setting location.href + sameBrowserLoad = BrowserTestUtils.browserLoaded( + currentBrowser, + false, + TEST_PAGE + ); + await SpecialPowers.spawn(currentBrowser, [TEST_PAGE], async page1 => { + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + content.location.href = page1; + } finally { + userInput.destruct(); + } + }); + await sameBrowserLoad; + ensureSingleBrowser(); + + // Now that we're back at TEST_PAGE, let's try a scripted link click. This + // shouldn't target to _blank. + sameBrowserLoad = BrowserTestUtils.browserLoaded( + currentBrowser, + false, + LINK_URL + ); + await SpecialPowers.spawn(currentBrowser, [], async () => { + let anchor = content.document.querySelector(`a[href=".."]`); + anchor.click(); + }); + await sameBrowserLoad; + ensureSingleBrowser(); + + // A javascript:void(0); link should also not target to _blank. + sameBrowserLoad = BrowserTestUtils.browserLoaded( + currentBrowser, + false, + TEST_PAGE + ); + await SpecialPowers.spawn(currentBrowser, [TEST_PAGE], async newPageURL => { + let anchor = content.document.querySelector(`a[href=".."]`); + anchor.href = "javascript:void(0);"; + anchor.addEventListener("click", e => { + content.location.href = newPageURL; + }); + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + anchor.click(); + } finally { + userInput.destruct(); + } + }); + await sameBrowserLoad; + ensureSingleBrowser(); + + // Let's also try a non-void javascript: location. + sameBrowserLoad = BrowserTestUtils.browserLoaded( + currentBrowser, + false, + TEST_PAGE + ); + await SpecialPowers.spawn(currentBrowser, [TEST_PAGE], async newPageURL => { + let anchor = content.document.querySelector(`a[href=".."]`); + anchor.href = `javascript:"string-to-navigate-to"`; + anchor.addEventListener("click", e => { + content.location.href = newPageURL; + }); + let userInput = content.windowUtils.setHandlingUserInput(true); + try { + anchor.click(); + } finally { + userInput.destruct(); + } + }); + await sameBrowserLoad; + ensureSingleBrowser(); + + await BrowserTestUtils.closeWindow(win); +}); |