Extract RuleTestCase from shipmonk/phpstan-rules

.editorconfig

@@ -0,0 +1,7 @@
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 4

.gitattributes

@@ -0,0 +1,12 @@
+* text=auto
+
+/cache export-ignore
+/.editorconfig export-ignore
+/.gitattributes export-ignore
+/.github export-ignore
+/.gitignore export-ignore
+/temp-clone export-ignore
+/composer-dependency-analyser.php export-ignore
+/phpcs.xml.dist export-ignore
+/phpstan.neon.dist export-ignore
+/phpunit.xml.dist export-ignore

.github/workflows/checks.yml

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+name: Checks
+on:
+    pull_request:
+    push:
+        branches:
+            - "master"
+            - "v[0-9]"
+jobs:
+    checks:
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+        steps:
+            -
+                name: Checkout code
+                uses: actions/checkout@v4
+            -
+                name: Setup PHP
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: 8.4
+            -
+                name: Install dependencies
+                run: composer install --no-progress --prefer-dist --no-interaction
+
+            -
+                name: Run checks
+                run: composer check

.github/workflows/lint.yml

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+name: phpcs.xml lint
+on:
+    pull_request:
+    push:
+        branches:
+            - "master"
+            - "v[0-9]"
+
+jobs:
+    xml-linter:
+        runs-on: ubuntu-latest
+        steps:
+            -
+                name: Checkout code
+                uses: actions/checkout@v3
+
+            -
+                name: Install dependencies
+                run: composer install --no-progress --no-interaction
+
+            -
+                name: Lint
+                uses: ChristophWurst/xmllint-action@v1
+                with:
+                    xml-file: phpcs.xml.dist
+                    xml-schema-file: vendor/squizlabs/php_codesniffer/phpcs.xsd

.gitignore

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+/vendor
+/cache/*
+!/cache/.gitkeep
+/.idea
+/phpstan.neon

LICENSE

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+MIT License
+
+Copyright (c) 2025 Bedabox, LLC dba ShipMonk
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.