1 files changed, 187 insertions, 0 deletions
diff --git a/toolkit/mozapps/webextensions/test/xpcshell/test_duplicateplugins.js b/toolkit/mozapps/webextensions/test/xpcshell/test_duplicateplugins.js
new file mode 100644
index 000000000..4d1848ea4
--- /dev/null
+++ b/toolkit/mozapps/webextensions/test/xpcshell/test_duplicateplugins.js
@@ -0,0 +1,187 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+Components.utils.import("resource://testing-common/MockRegistrar.jsm");
+
+var Ci = Components.interfaces;
+
+// This verifies that duplicate plugins are coalesced and maintain their ID
+// across restarts.
+
+var PLUGINS = [{
+  name: "Duplicate Plugin 1",
+  description: "A duplicate plugin",
+  version: "1",
+  blocklisted: false,
+  enabledState: Ci.nsIPluginTag.STATE_ENABLED,
+  get disabled() {
+    return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
+  },
+  filename: "/home/mozilla/.plugins/dupplugin1.so"
+}, {
+  name: "Duplicate Plugin 1",
+  description: "A duplicate plugin",
+  version: "1",
+  blocklisted: false,
+  enabledState: Ci.nsIPluginTag.STATE_ENABLED,
+  get disabled() {
+    return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
+  },
+  filename: "/usr/lib/plugins/dupplugin1.so"
+}, {
+  name: "Duplicate Plugin 2",
+  description: "Another duplicate plugin",
+  version: "1",
+  blocklisted: false,
+  enabledState: Ci.nsIPluginTag.STATE_ENABLED,
+  get disabled() {
+    return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
+  },
+  filename: "/home/mozilla/.plugins/dupplugin2.so"
+}, {
+  name: "Duplicate Plugin 2",
+  description: "Another duplicate plugin",
+  version: "1",
+  blocklisted: false,
+  enabledState: Ci.nsIPluginTag.STATE_ENABLED,
+  get disabled() {
+    return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
+  },
+  filename: "/usr/lib/plugins/dupplugin2.so"
+}, {
+  name: "Non-duplicate Plugin", // 3
+  description: "Not a duplicate plugin",
+  version: "1",
+  blocklisted: false,
+  enabledState: Ci.nsIPluginTag.STATE_ENABLED,
+  get disabled() {
+    return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
+  },
+  filename: "/home/mozilla/.plugins/dupplugin3.so"
+}, {
+  name: "Non-duplicate Plugin", // 4
+  description: "Not a duplicate because the descriptions are different",
+  version: "1",
+  blocklisted: false,
+  enabledState: Ci.nsIPluginTag.STATE_ENABLED,
+  get disabled() {
+    return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
+  },
+  filename: "/usr/lib/plugins/dupplugin4.so"
+}, {
+  name: "Another Non-duplicate Plugin", // 5
+  description: "Not a duplicate plugin",
+  version: "1",
+  blocklisted: false,
+  enabledState: Ci.nsIPluginTag.STATE_ENABLED,
+  get disabled() {
+    return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
+  },
+  filename: "/home/mozilla/.plugins/dupplugin5.so"
+}];
+
+// A fake plugin host to return the plugins defined above
+var PluginHost = {
+  getPluginTags: function(countRef) {
+    countRef.value = PLUGINS.length;
+    return PLUGINS;
+  },
+
+  QueryInterface: function(iid) {
+    if (iid.equals(Components.interfaces.nsIPluginHost)
+     || iid.equals(Components.interfaces.nsISupports))
+      return this;
+
+    throw Components.results.NS_ERROR_NO_INTERFACE;
+  }
+}
+
+MockRegistrar.register("@mozilla.org/plugin/host;1", PluginHost);
+
+var gPluginIDs = [null, null, null, null, null];
+
+function run_test() {
+  do_test_pending();
+  createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
+  Services.prefs.setBoolPref("media.gmp-provider.enabled", false);
+
+  startupManager();
+
+  run_test_1();
+}
+
+function found_plugin(aNum, aId) {
+  if (gPluginIDs[aNum])
+    do_throw("Found duplicate of plugin " + aNum);
+  gPluginIDs[aNum] = aId;
+}
+
+// Test that the plugins were coalesced and all appear in the returned list
+function run_test_1() {
+  AddonManager.getAddonsByTypes(["plugin"], function(aAddons) {
+    do_check_eq(aAddons.length, 5);
+    aAddons.forEach(function(aAddon) {
+      if (aAddon.name == "Duplicate Plugin 1") {
+        found_plugin(0, aAddon.id);
+        do_check_eq(aAddon.description, "A duplicate plugin");
+      }
+      else if (aAddon.name == "Duplicate Plugin 2") {
+        found_plugin(1, aAddon.id);
+        do_check_eq(aAddon.description, "Another duplicate plugin");
+      }
+      else if (aAddon.name == "Another Non-duplicate Plugin") {
+        found_plugin(5, aAddon.id);
+        do_check_eq(aAddon.description, "Not a duplicate plugin");
+      }
+      else if (aAddon.name == "Non-duplicate Plugin") {
+        if (aAddon.description == "Not a duplicate plugin")
+          found_plugin(3, aAddon.id);
+        else if (aAddon.description == "Not a duplicate because the descriptions are different")
+          found_plugin(4, aAddon.id);
+        else
+          do_throw("Found unexpected plugin with description " + aAddon.description);
+      }
+      else {
+        do_throw("Found unexpected plugin " + aAddon.name);
+      }
+    });
+
+    run_test_2();
+  });
+}
+
+// Test that disabling a coalesced plugin disables all its tags
+function run_test_2() {
+  AddonManager.getAddonByID(gPluginIDs[0], function(p) {
+    do_check_false(p.userDisabled);
+    p.userDisabled = true;
+    do_check_true(PLUGINS[0].disabled);
+    do_check_true(PLUGINS[1].disabled);
+
+    do_execute_soon(run_test_3);
+  });
+}
+
+// Test that IDs persist across restart
+function run_test_3() {
+  restartManager();
+
+  AddonManager.getAddonByID(gPluginIDs[0], callback_soon(function(p) {
+    do_check_neq(p, null);
+    do_check_eq(p.name, "Duplicate Plugin 1");
+    do_check_eq(p.description, "A duplicate plugin");
+
+    // Reorder the plugins and restart again
+    [PLUGINS[0], PLUGINS[1]] = [PLUGINS[1], PLUGINS[0]];
+    restartManager();
+
+    AddonManager.getAddonByID(gPluginIDs[0], function(p_2) {
+      do_check_neq(p_2, null);
+      do_check_eq(p_2.name, "Duplicate Plugin 1");
+      do_check_eq(p_2.description, "A duplicate plugin");
+
+      do_execute_soon(do_test_finished);
+    });
+  }));
+}