1 files changed, 80 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_schema.js b/toolkit/components/extensions/test/xpcshell/test_ext_schema.js
new file mode 100644
index 0000000000..913aa4f9ab
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_schema.js
@@ -0,0 +1,80 @@
+"use strict";
+
+AddonTestUtils.init(this);
+
+add_task(async function testEmptySchema() {
+  function background() {
+    browser.test.assertEq(
+      undefined,
+      browser.manifest,
+      "browser.manifest is not defined"
+    );
+    browser.test.assertTrue(
+      !!browser.storage,
+      "browser.storage should be defined"
+    );
+    browser.test.assertEq(
+      undefined,
+      browser.contextMenus,
+      "browser.contextMenus should not be defined"
+    );
+    browser.test.notifyPass("schema");
+  }
+
+  let extension = ExtensionTestUtils.loadExtension({
+    background,
+    manifest: {
+      permissions: ["storage"],
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitFinish("schema");
+  await extension.unload();
+});
+
+add_task(async function test_warnings_as_errors() {
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: { unrecognized_property_that_should_be_treated_as_a_warning: 1 },
+  });
+
+  // Tests should be run with extensions.webextensions.warnings-as-errors=true
+  // by default, and prevent extensions with manifest warnings from loading.
+  await Assert.rejects(
+    extension.startup(),
+    /unrecognized_property_that_should_be_treated_as_a_warning/,
+    "extension with invalid manifest should not load if warnings-as-errors=true"
+  );
+  // When ExtensionTestUtils.failOnSchemaWarnings(false) is called, startup is
+  // expected to succeed, as shown by the next "testUnknownProperties" test.
+});
+
+add_task(async function testUnknownProperties() {
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: ["unknownPermission"],
+
+      unknown_property: {},
+    },
+
+    background() {},
+  });
+
+  let { messages } = await promiseConsoleOutput(async () => {
+    ExtensionTestUtils.failOnSchemaWarnings(false);
+    await extension.startup();
+    ExtensionTestUtils.failOnSchemaWarnings(true);
+  });
+
+  AddonTestUtils.checkMessages(messages, {
+    expected: [
+      { message: /processing permissions\.0: Value "unknownPermission"/ },
+      {
+        message:
+          /processing unknown_property: An unexpected property was found in the WebExtension manifest/,
+      },
+    ],
+  });
+
+  await extension.unload();
+});