Better sites:add error handling, and other fixes

* Add better error output when RSD detection doesn't work.
* Add upgrade instructions to README.md
* Remove code coverage for now, and update PHPUnit configuration.

README.md

@@ -21,17 +21,33 @@ or via commands such as `sites:add` and `sites:modify`.
 ## Installation
 
 1. Clone the repository:
-
-       git clone https://github.com/samwilson/mwcli
+   ```console
+   git clone https://github.com/samwilson/mwcli
+   ```
 
 2. Install dependencies:
-
-       cd mwcli
-       composer install --no-dev
-
-3. Optionally add `mwcli` to your path:
-
-       echo 'export PATH=$PATH:'$(pwd)/bin >> ~/.profile
+   ```console
+   cd mwcli
+   composer install --no-dev
+   ```
+
+3. Optionally add `mwcli` to your $PATH. For example, on Linux:
+   ```console
+   echo 'export PATH=$PATH:'$(pwd)/bin >> ~/.profile
+   ```
+
+## Upgrading
+
+1. Update the code:
+   ```console
+   cd mwcli
+   git pull origin main
+   ```
+
+2. Update dependencies:
+   ```console
+   composer install --no-dev
+   ```
 
 ## Usage
 

phpunit.xml.dist

@@ -2,22 +2,26 @@
 
 <!-- https://phpunit.de/manual/current/en/appendixes.configuration.html -->
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/6.5/phpunit.xsd"
-         backupGlobals="false"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.5/phpunit.xsd"
          colors="true"
          bootstrap="vendor/autoload.php"
+         testdox="true"
+         displayDetailsOnIncompleteTests="true"
+         displayDetailsOnSkippedTests="true"
+         displayDetailsOnPhpunitDeprecations="true"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
+         displayDetailsOnTestsThatTriggerErrors="true"
+         displayDetailsOnTestsThatTriggerNotices="true"
+         displayDetailsOnTestsThatTriggerWarnings="true"
 >
     <testsuites>
         <testsuite name="Project Test Suite">
-            <directory>tests</directory>
+            <directory>./tests/</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist>
-            <directory>src</directory>
-        </whitelist>
-    </filter>
-    <logging>
-        <log type="coverage-clover" target="build/phpunit_clover.xml" />
-    </logging>
+    <source>
+        <include>
+            <directory suffix=".php">./src/</directory>
+        </include>
+    </source>
 </phpunit>

src/Command/SitesAddCommand.php

@@ -4,6 +4,8 @@
 
 use Addwiki\Mediawiki\Api\Client\Action\Request\ActionRequest;
 use Addwiki\Mediawiki\Api\Client\MediaWiki;
+use Addwiki\Mediawiki\Api\Client\RsdException;
+use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -23,8 +25,12 @@ public function execute( InputInterface $input, OutputInterface $output ) {
 		if ( !$url ) {
 			$url = $this->io->ask( $this->msg( 'sites-add-ask-url' ) );
 		}
-		/** @var Aci */
-		$api = MediaWiki::newFromPage( $url );
+		try {
+			$api = MediaWiki::newFromPage( $url );
+		} catch ( RsdException $e ) {
+			$this->io->error( $e->getMessage() );
+			return Command::FAILURE;
+		}
 		$siteinfoReq = ActionRequest::simpleGet( 'query', [ 'meta' => 'siteinfo' ] );
 		$siteInfo = $api->action()->request( $siteinfoReq );
 
@@ -36,6 +42,6 @@ public function execute( InputInterface $input, OutputInterface $output ) {
 		$this->setSite( $input, $siteInfo['query']['general']['wikiid'], $newSite );
 
 		$this->io->block( $this->msg( 'sites-add-added', [ $newSite['name'], $newSite['main_page_url'] ] ) );
-		return 0;
+		return Command::SUCCESS;
 	}
 }

tests/SitesAddCommandTest.php

@@ -24,7 +24,7 @@ public function testAddSite( $configFilename ): void {
 		unlink( $configFile );
 	}
 
-	public function provideAddSite() {
+	public static function provideAddSite() {
 		return [
 			[ 'config.yml' ],
 			[ 'foobar.yaml' ]