import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

addon-sdk/source/test/addons/child_process/index.js

@@ -0,0 +1,39 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/**
+ * Ensures using child_process and underlying subprocess.jsm
+ * works within an addon
+ */
+
+const { exec } = require("sdk/system/child_process");
+const { platform, pathFor } = require("sdk/system");
+const PROFILE_DIR = pathFor("ProfD");
+const isWindows = platform.toLowerCase().indexOf("win") === 0;
+const app = require("sdk/system/xul-app");
+
+// Once Bug 903018 is resolved, just move the application testing to
+// module.metadata.engines
+if (app.is("Firefox")) {
+  exports["test child_process in an addon"] = (assert, done) => {
+    exec(isWindows ? "DIR /A-D" : "ls -al", {
+      cwd: PROFILE_DIR
+    }, (err, stdout, stderr) => {
+      assert.equal(err, null, "no errors");
+      assert.equal(stderr, "", "stderr is empty");
+      assert.ok(/extensions\.ini/.test(stdout), "stdout output of `ls -al` finds files");
+
+      if (isWindows)
+        assert.ok(!/<DIR>/.test(stdout), "passing args works");
+      else
+        assert.ok(/d(r[-|w][-|x]){3}/.test(stdout), "passing args works");
+      done();
+    });
+  };
+} else {
+  exports["test unsupported"] = (assert) => assert.pass("This application is unsupported.");
+}
+require("sdk/test/runner").runTestsFromModule(module);

addon-sdk/source/test/addons/child_process/package.json

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+{
+  "id": "test-child-process@jetpack",
+  "main": "./index.js",
+  "version": "0.0.1"
+}