1 files changed, 175 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_experiments.js b/toolkit/components/extensions/test/xpcshell/test_ext_experiments.js
new file mode 100644
index 000000000..bc6bfcd68
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_experiments.js
@@ -0,0 +1,175 @@
+"use strict";
+
+/* globals browser */
+
+XPCOMUtils.defineLazyModuleGetter(this, "AddonManager",
+                                  "resource://gre/modules/AddonManager.jsm");
+
+function promiseAddonStartup() {
+  const {Management} = Cu.import("resource://gre/modules/Extension.jsm");
+
+  return new Promise(resolve => {
+    let listener = (evt, extension) => {
+      Management.off("startup", listener);
+      resolve(extension);
+    };
+
+    Management.on("startup", listener);
+  });
+}
+
+add_task(function* setup() {
+  yield ExtensionTestUtils.startAddonManager();
+});
+
+add_task(function* test_experiments_api() {
+  let apiAddonFile = Extension.generateZipFile({
+    "install.rdf": `<?xml version="1.0" encoding="UTF-8"?>
+      <RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+           xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+          <Description about="urn:mozilla:install-manifest"
+              em:id="meh@experiments.addons.mozilla.org"
+              em:name="Meh Experiment"
+              em:type="256"
+              em:version="0.1"
+              em:description="Meh experiment"
+              em:creator="Mozilla">
+
+              <em:targetApplication>
+                  <Description
+                      em:id="xpcshell@tests.mozilla.org"
+                      em:minVersion="48"
+                      em:maxVersion="*"/>
+              </em:targetApplication>
+          </Description>
+      </RDF>
+    `,
+
+    "api.js": String.raw`
+      Components.utils.import("resource://gre/modules/Services.jsm");
+
+      Services.obs.notifyObservers(null, "webext-api-loaded", "");
+
+      class API extends ExtensionAPI {
+        getAPI(context) {
+          return {
+            meh: {
+              hello(text) {
+                Services.obs.notifyObservers(null, "webext-api-hello", text);
+              }
+            }
+          }
+        }
+      }
+    `,
+
+    "schema.json": [
+      {
+        "namespace": "meh",
+        "description": "All full of meh.",
+        "permissions": ["experiments.meh"],
+        "functions": [
+          {
+            "name": "hello",
+            "type": "function",
+            "description": "Hates you. This is all.",
+            "parameters": [
+              {"type": "string", "name": "text"},
+            ],
+          },
+        ],
+      },
+    ],
+  });
+
+  let addonFile = Extension.generateXPI({
+    manifest: {
+      applications: {gecko: {id: "meh@web.extension"}},
+      permissions: ["experiments.meh"],
+    },
+
+    background() {
+      // The test code below checks that hello() is called at the right
+      // time with the string "Here I am".  Verify that the api schema is
+      // being correctly interpreted by calling hello() with bad arguments
+      // and only calling hello() with the magic string if the call with
+      // bad arguments throws.
+      try {
+        browser.meh.hello("I should not see this", "since two arguments are bad");
+      } catch (err) {
+        browser.meh.hello("Here I am");
+      }
+    },
+  });
+
+  let boringAddonFile = Extension.generateXPI({
+    manifest: {
+      applications: {gecko: {id: "boring@web.extension"}},
+    },
+    background() {
+      if (browser.meh) {
+        browser.meh.hello("Here I should not be");
+      }
+    },
+  });
+
+  do_register_cleanup(() => {
+    for (let file of [apiAddonFile, addonFile, boringAddonFile]) {
+      Services.obs.notifyObservers(file, "flush-cache-entry", null);
+      file.remove(false);
+    }
+  });
+
+
+  let resolveHello;
+  let observer = (subject, topic, data) => {
+    if (topic == "webext-api-loaded") {
+      ok(!!resolveHello, "Should not see API loaded until dependent extension loads");
+    } else if (topic == "webext-api-hello") {
+      resolveHello(data);
+    }
+  };
+
+  Services.obs.addObserver(observer, "webext-api-loaded", false);
+  Services.obs.addObserver(observer, "webext-api-hello", false);
+  do_register_cleanup(() => {
+    Services.obs.removeObserver(observer, "webext-api-loaded");
+    Services.obs.removeObserver(observer, "webext-api-hello");
+  });
+
+
+  // Install API add-on.
+  let apiAddon = yield AddonManager.installTemporaryAddon(apiAddonFile);
+
+  let {APIs} = Cu.import("resource://gre/modules/ExtensionManagement.jsm", {});
+  ok(APIs.apis.has("meh"), "Should have meh API.");
+
+
+  // Install boring WebExtension add-on.
+  let boringAddon = yield AddonManager.installTemporaryAddon(boringAddonFile);
+  yield promiseAddonStartup();
+
+
+  // Install interesting WebExtension add-on.
+  let promise = new Promise(resolve => {
+    resolveHello = resolve;
+  });
+
+  let addon = yield AddonManager.installTemporaryAddon(addonFile);
+  yield promiseAddonStartup();
+
+  let hello = yield promise;
+  equal(hello, "Here I am", "Should get hello from add-on");
+
+  // Cleanup.
+  apiAddon.uninstall();
+
+  boringAddon.userDisabled = true;
+  yield new Promise(do_execute_soon);
+
+  equal(addon.appDisabled, true, "Add-on should be app-disabled after its dependency is removed.");
+
+  addon.uninstall();
+  boringAddon.uninstall();
+});
+