Tests: add new InvalidPackagesTest

tests/IntegrationTest/InvalidPackagesTest.php

@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * This file is part of the Dealerdirect PHP_CodeSniffer Standards
+ * Composer Installer Plugin package.
+ *
+ * @copyright 2022 PHPCodeSniffer Composer Installer Contributors
+ * @license MIT
+ */
+
+namespace Dealerdirect\Composer\Plugin\Installers\PHPCodeSniffer\Tests\IntegrationTest;
+
+use Dealerdirect\Composer\Plugin\Installers\PHPCodeSniffer\Plugin;
+use Dealerdirect\Composer\Plugin\Installers\PHPCodeSniffer\Tests\TestCase;
+
+/**
+ * Test that the plugin does not act on packages which are not valid PHPCS standards.
+ *
+ * Valid PHPCS standards for the purposes of this plugin, are packages which:
+ * - have the `phpcodesniffer-standard` type set in their `composer.json` file.
+ * - contain at least one `ruleset.xml` file.
+ *
+ * This test is about Composer and the plugin, so does not need to be tested against multiple PHPCS versions.
+ * The behaviour also shouldn't differ between a global vs local Composer install, so only testing one type.
+ */
+final class InvalidPackagesTest extends TestCase
+{
+    private $composerConfigNoRuleset = array(
+        'name'        => 'phpcs-composer-installer/invalid-package-no-ruleset-test',
+        'require-dev' => array(
+            'squizlabs/php_codesniffer'           => '*',
+            'phpcs-composer-installer/no-ruleset' => '*',
+        ),
+    );
+
+    private $composerConfigIncorrectType = array(
+        'name'        => 'phpcs-composer-installer/invalid-package-incorrect-type-test',
+        'require-dev' => array(
+            'squizlabs/php_codesniffer'               => '*',
+            'phpcs-composer-installer/incorrect-type' => '*',
+        ),
+    );
+
+    /**
+     * Set up test environment before each test.
+     */
+    protected function set_up()
+    {
+        $this->createTestEnvironment();
+    }
+
+    /**
+     * Clean up after each test.
+     */
+    protected function tear_down()
+    {
+        $this->removeTestEnvironment();
+    }
+
+    /**
+     * Test that the plugin does not set the installed_paths for invalid external PHPCS standards.
+     *
+     * @dataProvider dataInvalidPackages
+     *
+     * @param array  $config       The Composer configuration to use.
+     * @param string $standardName The name of the PHPCS standard which is expected to NOT be registered.
+     *
+     * @return void
+     */
+    public function testDontSetInstalledPathsForInvalidPackages($config, $standardName)
+    {
+        $this->writeComposerJsonFile($config, static::$tempLocalPath);
+
+        // Make sure the plugin runs.
+        $this->assertExecute(
+            sprintf('composer install -v --no-ansi --working-dir=%s', escapeshellarg(static::$tempLocalPath)),
+            0,    // Expected exit code.
+            Plugin::MESSAGE_RUNNING_INSTALLER, // Expected stdout.
+            null, // No stderr expectation.
+            'Failed to install dependencies.'
+        );
+
+        // Make sure the CodeSniffer.conf file does not get created when no (valid) external standards are found.
+        $this->assertFileDoesNotExist(
+            static::$tempLocalPath . '/vendor/squizlabs/php_codesniffer/CodeSniffer.conf'
+        );
+
+        // Make sure that the standard does not show up as registered with PHPCS.
+        $result = $this->executeCliCommand('"vendor/bin/phpcs" -i', static::$tempLocalPath);
+        $this->assertSame(0, $result['exitcode'], 'Exitcode for phpcs -i did not match 0');
+        $this->assertStringNotContainsString(
+            $standardName,
+            $result['stdout'],
+            'Invalid standard registered.'
+        );
+    }
+
+    /**
+     * Data provider.
+     *
+     * @return array
+     */
+    public function dataInvalidPackages()
+    {
+        return array(
+            'Composer package without ruleset file' => array(
+                'configName'   => $this->composerConfigNoRuleset,
+                'standardName' => 'NoRuleset',
+            ),
+            'Composer package with incorrect type' => array(
+                'configName'   => $this->composerConfigIncorrectType,
+                'standardName' => 'IncorrectType',
+            ),
+        );
+    }
+}

tests/fixtures/README.md

@@ -29,6 +29,8 @@ Notes:
 
 It is recommended to add a short description of the situation which can be tested with each fixture to the below list.
 
+## Valid packages
+
 ### Package name: `phpcs-composer-installer/dummy-subdir`
 
 **Description:**
@@ -62,3 +64,27 @@ An external PHPCS standard with the `ruleset.xml` file in a deeper nested subdir
 | **Includes sniff(s):**   | :x:               |
 | **Requires the plugin:** | :heavy_checkmark: |
 
+
+## Invalid packages
+
+**_These packages should not be installed by the plugin._**
+
+### Package name: `phpcs-composer-installer/no-ruleset`
+
+**Description:**
+A Composer package which has the `phpcodesniffer-standard` type set in the `composer.json` file, but doesn't contain a `ruleset.xml` file (but does contain a `ruleset.xml.dist` file, which is not a file recognized by PHPCS).
+
+| Characteristics          | Notes             |
+|--------------------------|-------------------|
+| **Standard(s):**         | `NoRuleset`       |
+| **Requires the plugin:** | :heavy_checkmark: |
+
+### Package name: `phpcs-composer-installer/incorrect-type`
+
+**Description:**
+An external PHPCS standard which does not have the `phpcodesniffer-standard` type set in the `composer.json` file.
+
+| Characteristics          | Notes             |
+|--------------------------|-------------------|
+| **Standard(s):**         | `IncorrectType`   |
+| **Requires the plugin:** | :heavy_checkmark: |

tests/fixtures/incorrect-type/IncorrectType/ruleset.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0"?>
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="IncorrectType" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/squizlabs/PHP_CodeSniffer/master/phpcs.xsd">
+
+    <description>Dummy PHPCS standard for testing.</description>
+</ruleset>

tests/fixtures/incorrect-type/composer.json

@@ -0,0 +1,16 @@
+{
+    "name" : "phpcs-composer-installer/incorrect-type",
+    "description" : "Dummy PHPCS standard with subdirectory ruleset for use in the tests.",
+    "type" : "coding-standard",
+    "license" : "MIT",
+    "require" : {
+        "php" : ">=5.4",
+        "squizlabs/php_codesniffer" : "*",
+        "dealerdirect/phpcodesniffer-composer-installer" : "*"
+    },
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    }
+}

tests/fixtures/no-ruleset/NoRuleset/ruleset.xml.dist

@@ -0,0 +1,5 @@
+<?xml version="1.0"?>
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="NoRuleset" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/squizlabs/PHP_CodeSniffer/master/phpcs.xsd">
+
+    <description>Dummy PHPCS standard for testing.</description>
+</ruleset>

tests/fixtures/no-ruleset/composer.json

@@ -0,0 +1,16 @@
+{
+    "name" : "phpcs-composer-installer/no-ruleset",
+    "description" : "Dummy PHPCS standard without a ruleset for use in the tests.",
+    "type" : "phpcodesniffer-standard",
+    "license" : "MIT",
+    "require" : {
+        "php" : ">=5.4",
+        "squizlabs/php_codesniffer" : "*",
+        "dealerdirect/phpcodesniffer-composer-installer" : "*"
+    },
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    }
+}