113 lines
3.2 KiB
JavaScript
113 lines
3.2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Tests for DevToolsUtils.fetch on file:// URI's.
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const { FileUtils } = ChromeUtils.importESModule(
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"resource://gre/modules/FileUtils.sys.mjs"
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);
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const TEST_CONTENT = "aéd";
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// The TEST_CONTENT encoded as UTF-8.
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const UTF8_TEST_BUFFER = new Uint8Array([0x61, 0xc3, 0xa9, 0x64]);
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// The TEST_CONTENT encoded as ISO 8859-1.
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const ISO_8859_1_BUFFER = new Uint8Array([0x61, 0xe9, 0x64]);
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/**
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* Tests that URLs with arrows pointing to an actual source are handled properly
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* (bug 808960). For example 'resource://gre/modules/XPIProvider.sys.mjs ->
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* file://l10n.js' should load 'file://l10n.js'.
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*/
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add_task(async function test_arrow_urls() {
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const { path } = createTemporaryFile(".js");
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const url = "resource://gre/modules/XPIProvider.sys.mjs -> file://" + path;
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await IOUtils.writeUTF8(path, TEST_CONTENT);
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const { content } = await DevToolsUtils.fetch(url);
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deepEqual(content, TEST_CONTENT, "The file contents were correctly read.");
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});
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/**
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* Tests that empty files are read correctly.
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*/
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add_task(async function test_empty() {
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const { path } = createTemporaryFile();
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const { content } = await DevToolsUtils.fetch("file://" + path);
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deepEqual(content, "", "The empty file was read correctly.");
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});
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/**
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* Tests that UTF-8 encoded files are correctly read.
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*/
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add_task(async function test_encoding_utf8() {
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const { path } = createTemporaryFile();
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await IOUtils.write(path, UTF8_TEST_BUFFER);
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const { content } = await DevToolsUtils.fetch(path);
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deepEqual(
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content,
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TEST_CONTENT,
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"The UTF-8 encoded file was correctly read."
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);
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});
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/**
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* Tests that ISO 8859-1 (Latin-1) encoded files are correctly read.
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*/
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add_task(async function test_encoding_iso_8859_1() {
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const { path } = createTemporaryFile();
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await IOUtils.write(path, ISO_8859_1_BUFFER);
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const { content } = await DevToolsUtils.fetch(path);
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deepEqual(
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content,
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TEST_CONTENT,
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"The ISO 8859-1 encoded file was correctly read."
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);
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});
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/**
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* Test that non-existent files are handled correctly.
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*/
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add_task(async function test_missing() {
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await DevToolsUtils.fetch("file:///file/not/found.right").then(
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result => {
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info(result);
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ok(false, "Fetch resolved unexpectedly when the file was not found.");
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},
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() => {
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ok(true, "Fetch rejected as expected because the file was not found.");
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}
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);
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});
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/**
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* Test that URLs without file:// scheme work.
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*/
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add_task(async function test_schemeless_files() {
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const { path } = createTemporaryFile();
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await IOUtils.writeUTF8(path, TEST_CONTENT);
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const { content } = await DevToolsUtils.fetch(path);
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deepEqual(content, TEST_CONTENT, "The content was correct.");
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});
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/**
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* Creates a temporary file that is removed after the test completes.
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*/
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function createTemporaryFile(extension) {
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const name = "test_fetch-file-" + Math.random() + (extension || "");
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const file = new FileUtils.File(PathUtils.join(PathUtils.tempDir, name));
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file.create(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("0755", 8));
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registerCleanupFunction(() => {
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file.remove(false);
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});
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return file;
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}
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