browser_partialsource_reload.js

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/

*/

// Bug 2061546: "View Selection Source" uses LoadURIOptions to pass an explicit

// base URI for the view-source: URI so that relative URIs are resolved.

// A reload should preserve this instead of hitting validation checks due to the

// changing base.

const RELATIVE_LINK = "relative-target.html";

const EXPECTED_HREF = `view-source:https://example.com/${RELATIVE_LINK}`;

const PAGE_HTML = `<html><body><a id="rel" href="${RELATIVE_LINK}">some text</a></body></html>`;

const PAGE_URL = `https://example.com/document-builder.sjs?html=${encodeURIComponent(

  PAGE_HTML

)}`;

// Assert page contains the relative link and it was resolved agains the right base

async function assertViewSourceBase(browser, when) {

  let hrefs = await SpecialPowers.spawn(browser, [], () =>

    Array.from(content.document.querySelectorAll("a[href]"), a => a.href)

);

  is(hrefs.length, 1);

  is(hrefs[0], EXPECTED_HREF, `Relative URL ${when} correctly resolved`);

add_task(async function partial_source_base_survives_SH_load() {

  // Disable the bfcache, so that the history traversal below performs a real

  // load through DocumentLoadListener instead of restoring a cached viewer.

  await pushPrefs(["browser.sessionhistory.max_total_viewers", 0]);

  let sourceTab = await openDocumentSelect(PAGE_URL, "#rel");

  let browser = sourceTab.linkedBrowser;

  await assertViewSourceBase(browser, "initially");

  // Test reload

  await BrowserTestUtils.reloadTab(sourceTab);

  await assertViewSourceBase(browser, "after a reload");

  // Test traversal

  let loaded = BrowserTestUtils.browserLoaded(browser, false, "about:blank");

  BrowserTestUtils.startLoadingURIString(browser, "about:blank");

  await loaded;

  let pageShown = waitForSourceLoaded(sourceTab);

  browser.goBack();

  await pageShown;

  await assertViewSourceBase(browser, "after traversal");

  gBrowser.removeTab(sourceTab);

});