From 17a7b73d5446ad7e0f1eab4caba3b4b93c447275 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Wed, 8 Dec 2021 12:06:35 +1100
Subject: Adding headless test.

---
 README  | 20 ++++++++++++++++++++
 test.js | 27 +++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 test.js

diff --git a/README b/README
index f5cf254..f67f5fc 100644
--- a/README
+++ b/README
@@ -29,6 +29,7 @@ To debug this add-on on IceCat and other Firefox derivatives, browse to the spec
 
 LibreJS should work with other WebExtensions-compliant browsers; but currently, none of them meet the freedom standards of GNU, so no help will be provided for their usage.
 
+
 TEST:
 
 An automated test suite runs automatically in its own tab whenever the extension
@@ -36,6 +37,25 @@ is loaded as a "temporary add-on" from about:debugging.
 Otherwise (if included in the xpi, see BUILD above) it can be launched from the
 UI by clicking the [Automated self test...] button.
 
+To launch the test in command line, ensure the extension has been
+built with automated test suite. Then install selenium-webdriver and
+geckodriver, and ensure the latter is in $PATH:
+
+  $ npm install selenium-webdriver
+  $ npm install geckodriver
+  $ export PATH=$PATH:./node_modules/.bin
+
+Now you can invoke the test with
+
+  $ node ./test.js
+
+which will print out a summary of test results.
+
+Optionally you can also test with a chosen seed
+
+  $ node ./test.js 12345
+
+
 CONTACT:
 
 Development mailing list: bug-librejs@gnu.org
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..9735176
--- /dev/null
+++ b/test.js
@@ -0,0 +1,27 @@
+/* A node script that runs tests in a headless browser. */
+
+(function libreJSTest() {
+  const webdriver = require('selenium-webdriver');
+  const firefox = require('selenium-webdriver/firefox');
+  new webdriver.Builder().forBrowser('firefox')
+    .setFirefoxOptions(new firefox.Options()
+		       // Uncomment this line to test using icecat
+//		       .setBinary("/usr/bin/icecat")
+		       .headless()).build()
+    .then(driver =>
+      driver.installAddon("./librejs.xpi", /*isTemporary=*/true)
+	.then(driver.get("about:debugging#/runtime/this-firefox"))
+	.then(_ => driver.findElements(webdriver.By.css('.fieldpair dd')))
+	.then(es => es[2].getText())
+	.then(uuid =>
+	  driver.get('moz-extension://'
+		     + uuid + '/test/SpecRunner.html'
+		     + (process.argv[2] ? '?seed=' + process.argv[2] : '') ))
+	.then(_ => driver.wait(_ =>
+ 	  driver.findElement(webdriver.By.css('.jasmine-alert'))
+	    .then(e => e.getText()), 10000))
+	.then(_ => driver.findElement(webdriver.By.css('.jasmine-alert')))
+	.then(e => e.getText())
+	.then(console.log)
+	.then(_ => driver.quit()));
+})();
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