1 files changed, 42 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_getInstallSourceFromHost.js b/toolkit/mozapps/extensions/test/xpcshell/test_getInstallSourceFromHost.js
new file mode 100644
index 0000000000..e1124ed022
--- /dev/null
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_getInstallSourceFromHost.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+add_task(function test_getInstallSourceFromHost_helpers() {
+  const sourceHostTestCases = [
+    {
+      host: "addons.allizom.org",
+      installSourceFromHost: "test-host",
+    },
+    {
+      host: "addons.mozilla.org",
+      installSourceFromHost: "amo",
+    },
+    {
+      host: "discovery.addons.mozilla.org",
+      installSourceFromHost: "disco",
+    },
+    {
+      host: "about:blank",
+      installSourceFromHost: "unknown",
+    },
+    {
+      host: "fake-extension-uuid",
+      installSourceFromHost: "unknown",
+    },
+    {
+      host: null,
+      installSourceFromHost: "unknown",
+    },
+  ];
+
+  for (let testCase of sourceHostTestCases) {
+    let { host, installSourceFromHost } = testCase;
+
+    equal(
+      AddonManager.getInstallSourceFromHost(host),
+      installSourceFromHost,
+      `Got the expected result from getInstallFromHost for host ${host}`
+    );
+  }
+});