1 files changed, 77 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/no-redeclare-with-import-autofix.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/no-redeclare-with-import-autofix.js
new file mode 100644
index 0000000000..36842000d5
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/no-redeclare-with-import-autofix.js
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require("../lib/rules/no-redeclare-with-import-autofix");
+var RuleTester = require("eslint").RuleTester;
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } });
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+function invalidCode(code, output, messageId, options = []) {
+  let rv = {
+    code,
+    errors: [{ messageId }],
+    options,
+  };
+  if (output) {
+    rv.output = output;
+  }
+  return rv;
+}
+
+ruleTester.run("no-redeclare-with-import-autofix", rule, {
+  valid: [
+    'const foo = "whatever";',
+    'let foo = "whatever";',
+    'const {foo} = {foo: "whatever"};',
+    'const {foo} = ChromeUtils.import("foo.jsm")',
+    'let {foo} = ChromeUtils.import("foo.jsm")',
+    'const {foo} = ChromeUtils.importESModule("foo.sys.mjs")',
+    'let {foo} = ChromeUtils.importESModule("foo.sys.mjs")',
+  ],
+  invalid: [
+    invalidCode(
+      `var {foo} = ChromeUtils.importESModule("foo.sys.mjs");
+var {foo} = ChromeUtils.importESModule("foo.sys.mjs");`,
+      'var {foo} = ChromeUtils.importESModule("foo.sys.mjs");\n',
+      "duplicateImport"
+    ),
+    invalidCode(
+      `var {foo} = ChromeUtils.import("foo.jsm");
+var {foo} = ChromeUtils.import("foo.jsm");`,
+      'var {foo} = ChromeUtils.import("foo.jsm");\n',
+      "duplicateImport"
+    ),
+
+    invalidCode(
+      `var {foo} = ChromeUtils.import("foo.jsm");
+var {foo, bar} = ChromeUtils.import("foo.jsm");`,
+      `var {foo} = ChromeUtils.import("foo.jsm");
+var { bar} = ChromeUtils.import("foo.jsm");`,
+      "duplicateImport"
+    ),
+
+    invalidCode(
+      `var {foo} = ChromeUtils.import("foo.jsm");
+var {bar, foo} = ChromeUtils.import("foo.jsm");`,
+      `var {foo} = ChromeUtils.import("foo.jsm");
+var {bar} = ChromeUtils.import("foo.jsm");`,
+      "duplicateImport"
+    ),
+
+    invalidCode(`var foo = 5; var foo = 10;`, "", "redeclared", [
+      {
+        errorForNonImports: true,
+      },
+    ]),
+  ],
+});