1 files changed, 137 insertions, 0 deletions
diff --git a/devtools/client/aboutdebugging/test/browser/mocks/helper-adb-mock.js b/devtools/client/aboutdebugging/test/browser/mocks/helper-adb-mock.js
new file mode 100644
index 0000000000..f02ca02ee3
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+++ b/devtools/client/aboutdebugging/test/browser/mocks/helper-adb-mock.js
@@ -0,0 +1,137 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Setup the loader to return the provided mock object instead of the regular adb module.
+ *
+ * @param {Object}
+ *        mock should implement the following methods:
+ *        - registerListener(listener)
+ *        - getRuntimes()
+ *        - getDevices()
+ *        - updateRuntimes()
+ *        - unregisterListener(listener)
+ */
+function enableAdbMock(mock) {
+  const {
+    setMockedModule,
+  } = require("resource://devtools/shared/loader/browser-loader-mocks.js");
+  setMockedModule(mock, "devtools/client/shared/remote-debugging/adb/adb");
+}
+/* exported enableAdbMock */
+
+/**
+ * Update the loader to clear the mock entry for the adb module.
+ */
+function disableAdbMock() {
+  const {
+    removeMockedModule,
+  } = require("resource://devtools/shared/loader/browser-loader-mocks.js");
+  removeMockedModule("devtools/client/shared/remote-debugging/adb/adb");
+}
+/* exported disableAdbMock */
+
+/**
+ * Creates a simple mock version for adb, implementing all the expected methods
+ * with empty placeholders.
+ */
+function createAdbMock() {
+  const adbMock = {};
+  adbMock.registerListener = function (listener) {
+    console.log("MOCKED METHOD registerListener");
+  };
+
+  adbMock.getRuntimes = function () {
+    console.log("MOCKED METHOD getRuntimes");
+  };
+
+  adbMock.getDevices = function () {
+    console.log("MOCKED METHOD getDevices");
+  };
+
+  adbMock.updateRuntimes = function () {
+    console.log("MOCKED METHOD updateRuntimes");
+  };
+
+  adbMock.unregisterListener = function (listener) {
+    console.log("MOCKED METHOD unregisterListener");
+  };
+
+  adbMock.once = function () {
+    console.log("MOCKED METHOD once");
+  };
+
+  adbMock.isProcessStarted = function () {
+    console.log("MOCKED METHOD isProcessStarted");
+  };
+
+  return { adb: adbMock };
+}
+/* exported createAdbMock */
+
+/**
+ * The adb module allows to observe runtime updates. To simulate this behaviour
+ * the easiest is to use an EventEmitter-decorated object that can accept listeners and
+ * can emit events from the test.
+ *
+ * This method will update the registerListener method of the provided
+ * usbRuntimesMock in order to add listeners to a mockObserver, and returns said observer
+ * so that the test can emit "runtime-list-updated" when needed.
+ */
+function addObserverMock(adbMock) {
+  const EventEmitter = require("resource://devtools/shared/event-emitter.js");
+
+  const observerMock = {};
+  EventEmitter.decorate(observerMock);
+  adbMock.registerListener = function (listener) {
+    console.log("MOCKED METHOD registerListener with mock scanner");
+    observerMock.on("runtime-list-updated", listener);
+  };
+
+  // NOTE FOR REVIEW: Instead of emitting "runtime-list-updated" events in the test,
+  // this mock could have a emitObservedEvent method, that would just emit the correct
+  // event. This way if the event name changes, everything remains contained in this
+  // method.
+
+  return observerMock;
+}
+/* exported addObserverMock */
+
+function createAdbProcessMock() {
+  const EventEmitter = require("resource://devtools/shared/event-emitter.js");
+
+  const mock = {};
+  EventEmitter.decorate(mock);
+
+  mock.ready = false;
+
+  mock.start = async () => {
+    console.log("MOCKED METHOD start");
+    mock.ready = true;
+    mock.emit("adb-ready");
+  };
+
+  return { adbProcess: mock };
+}
+/* exported createAdbProcessMock */
+
+function enableAdbProcessMock(mock) {
+  const {
+    setMockedModule,
+  } = require("resource://devtools/shared/loader/browser-loader-mocks.js");
+  setMockedModule(
+    mock,
+    "devtools/client/shared/remote-debugging/adb/adb-process"
+  );
+}
+/* exported enableAdbProcessMock */
+
+function disableAdbProcessMock() {
+  const {
+    removeMockedModule,
+  } = require("resource://devtools/shared/loader/browser-loader-mocks.js");
+  removeMockedModule("devtools/client/shared/remote-debugging/adb/adb-process");
+}
+/* exported disableAdbProcessMock */