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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /tools/lint/eslint/eslint-plugin-mozilla/tests/reject-globalThis-modification.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/lint/eslint/eslint-plugin-mozilla/tests/reject-globalThis-modification.js')
-rw-r--r--tools/lint/eslint/eslint-plugin-mozilla/tests/reject-globalThis-modification.js90
1 files changed, 90 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/reject-globalThis-modification.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/reject-globalThis-modification.js
new file mode 100644
index 0000000000..a69c677eb7
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/reject-globalThis-modification.js
@@ -0,0 +1,90 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require("../lib/rules/reject-globalThis-modification");
+var RuleTester = require("eslint").RuleTester;
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } });
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+function invalidCall(code) {
+ return {
+ code,
+ errors: [
+ {
+ message:
+ "`globalThis` shouldn't be passed to function that can modify it. `globalThis` is the shared global inside the system module, and properties defined on it is visible from all modules.",
+ type: "CallExpression",
+ },
+ ],
+ };
+}
+
+function invalidAssignment(code) {
+ return {
+ code,
+ errors: [
+ {
+ message:
+ "`globalThis` shouldn't be modified. `globalThis` is the shared global inside the system module, and properties defined on it is visible from all modules.",
+ type: "AssignmentExpression",
+ },
+ ],
+ };
+}
+
+ruleTester.run("reject-globalThis-modification", rule, {
+ valid: [
+ `var x = globalThis.Array;`,
+ `Array in globalThis;`,
+ `result.deserialize(globalThis)`,
+ ],
+ invalid: [
+ invalidAssignment(`
+ globalThis.foo = 10;
+`),
+ invalidCall(`
+ Object.defineProperty(globalThis, "foo", { value: 10 });
+`),
+ invalidCall(`
+ Object.defineProperties(globalThis, {
+ foo: { value: 10 },
+ });
+`),
+ invalidCall(`
+ Object.assign(globalThis, { foo: 10 });
+`),
+ invalidCall(`
+ ChromeUtils.defineModuleGetter(
+ globalThis, "AppConstants", "resource://gre/modules/AppConstants.jsm"
+ );
+`),
+ invalidCall(`
+ ChromeUtils.defineESMGetters(globalThis, {
+ AppConstants: "resource://gre/modules/AppConstants.sys.mjs",
+ });
+`),
+ invalidCall(`
+ XPCOMUtils.defineLazyModuleGetter(
+ globalThis, "AppConstants", "resource://gre/modules/AppConstants.jsm"
+ );
+`),
+ invalidCall(`
+ XPCOMUtils.defineLazyModuleGetters(globalThis, {
+ AppConstants: "resource://gre/modules/AppConstants.jsm",
+ });
+`),
+ invalidCall(`
+ someFunction(1, globalThis);
+`),
+ ],
+});