mozilla-central/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-bogus.js (file symbol)

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Test Info: Warnings

/* 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/>. */
// Test that errors while loading sourcemap does not break debugging.
"use strict";
requestLongerTimeout(2);
add_task(async function () {
// NOTE: the CORS call makes the test run times inconsistent
// - non-existant-map.js has a reference to source map file which doesn't exists.
// There is no particular warning and no original file is displayed, only the generated file.
// - map-with-failed-original-request.js has a reference to a valid source map file,
// but the map doesn't inline source content and refers to a URL which fails loading.
// (this file is based on dom-mutation.js and related map)
const dbg = await initDebugger(
"doc-sourcemap-bogus.html",
"non-existant-map.js",
"map-with-failed-original-request.js",
"map-with-failed-original-request.original.js",
"invalid-json-map.js"
);
// Make sure there is only the expected sources and we miss some original sources.
is(dbg.selectors.getSourceCount(), 4, "Only 4 source exists");
await selectSource(dbg, "non-existant-map.js");
is(
findFooterNotificationMessage(dbg),
"Source Map Error: request failed with status 404",
"There is a warning about the missing source map file"
);
// We should still be able to set breakpoints and pause in the
// generated source.
await addBreakpoint(dbg, "non-existant-map.js", 4);
invokeInTab("runCode");
await waitForPaused(dbg);
await assertPausedAtSourceAndLine(
dbg,
findSource(dbg, "non-existant-map.js").id,
4
);
await resume(dbg);
// Test a Source Map with invalid JSON
await selectSource(dbg, "invalid-json-map.js");
is(
findFooterNotificationMessage(dbg),
"Source Map Error: JSON.parse: expected property name or '}' at line 2 column 3 of the JSON data",
"There is a warning about the missing source map file"
);
let footerButton = findElement(dbg, "sourceMapFooterButton");
ok(
footerButton.classList.contains("not-mapped"),
"The source map error causes the file to be reported as not mapped"
);
ok(
footerButton.classList.contains("error"),
"The source map error is displayed in the source map icon"
);
// Test a Source Map with missing original text content
await selectSource(dbg, "map-with-failed-original-request.js");
ok(
!findElement(dbg, "editorNotificationFooter"),
"The source-map is valid enough to not spawn a warning message"
);
await addBreakpoint(dbg, "map-with-failed-original-request.js", 7);
invokeInTab("changeStyleAttribute");
await waitForPaused(dbg);
// As the original file can't be loaded, the generated source is automatically selected
await assertPausedAtSourceAndLine(
dbg,
findSource(dbg, "map-with-failed-original-request.js").id,
7
);
// The original file is visible in the source tree and can be selected,
// but its content can't be displayed
await selectSource(dbg, "map-with-failed-original-request.original.js");
const notificationMessage = DEBUGGER_L10N.getFormatStr(
"editorNotificationFooter.noOriginalScopes",
DEBUGGER_L10N.getStr("scopes.showOriginalScopes")
);
is(
findFooterNotificationMessage(dbg),
notificationMessage,
"There is no warning about source-map but rather one about original scopes"
);
const editorContent = getEditorContent(dbg);
Assert.stringContains(
editorContent,
`Error while fetching an original source: request failed with status 404\n`
);
// Ignore the stack logged in between these two strings
Assert.stringContains(
editorContent,
`Source URL: ${EXAMPLE_URL}map-with-failed-original-request.original.js`
);
footerButton = findElement(dbg, "sourceMapFooterButton");
is(
footerButton.textContent,
"original file",
"Even if the original can't be loaded, it is reported as original in the footer"
);
ok(
!footerButton.classList.contains("loading"),
"The source map isn't loading because of the missing text content"
);
ok(
!footerButton.classList.contains("error"),
"The source map isn't reported with an error because of the missing text content"
);
ok(
footerButton.classList.contains("original"),
"The source map icon is set to original"
);
await resume(dbg);
});