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+# Running Automated Tests
+ 
+## User Interface
+
+![Running tests from the user interface](../assets/tests_ui.png)
+
+To run automated tests via a web browser, you can to Admin > Configuration > Testing 
+(http://localhost:8000/admin/config/development/testing) in the admin toolbar.  From 
+there you can browse and search for tests, select the ones you'd like to run.  Pressing
+the blue "Run Tests" button will execute all tests you've selected in a batch and then
+display the results.
+
+## Command Line
+
+Running tests from the command line utilizes the test runner script provided by Drupal core.
+From Drupal's `web` directory, the full command to run is
+
+```bash
+vagrant@claw:/var/www/html/drupal/web$ sudo -u www-data php core/scripts/run-tests.sh \
+--suppress-deprecations \
+--url http://127.0.0.1:8000 \
+--verbose \
+--php `which php` \
+--module "islandora"
+```
+
+Let's unpack it
+- You need to run this as the apache user for filesystem access, hence `sudo -u www-data`
+- Despite having a `.sh` extension, you run the command with php: `php core/scripts/run-tests.sh`
+- `--suppress-deprecations` tells the script not to count deprecation warnings as test failures
+- `--url http://127.0.0.1:8000` tells the script what base url to use for functional tests.  If you are using a port other than 8000, you'll need to make sure to update this accordingly
+- `--verbose` is optional, but useful if you want more feedback from failures
+- ``` --php `which php` ``` tells the script where to find the php executable to use
+- `--module "islandora"` tells the script to run all tests from the `islandora` module
+
+If you want to run just a single class instead of a whole module's worth, you can use the `--class` option instead of `--module`.  The `--class` option takes the fully namespaced class name as an argument.  For example, to run just the `AddMediaToNodeTest`:
+
+```bash
+vagrant@claw:/var/www/html/drupal/web$ sudo -u www-data php core/scripts/run-tests.sh \
+--suppress-deprecations \
+--url http://127.0.0.1:8000 \
+--verbose \
+--php `which php` \
+--class "Drupal\Tests\islandora\Functional\AddMediaToNodeTest"
+```