Add support for PHPUnit 9 and migrate to Github Actions

Author: martin-helmich

.github/workflows/php.yml

@@ -0,0 +1,64 @@
+name: Unit tests
+
+on: [push]
+
+jobs:
+  build:
+    strategy:      
+      matrix:
+        php: ['7.2', '7.3', '7.4']
+        phpunit: ['8.0', '9.0']
+        exclude:
+          - php: '7.2'
+            phpunit: '9.0'
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+      
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v1
+      with:
+        php-version: ${{ matrix.php }}
+        extensions: mbstring, intl, json
+        coverage: pcov
+    
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Declare required PHPUnit version
+      run: |
+        composer require --no-update --dev phpunit/phpunit ~${{ matrix.phpunit }}
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress --no-suggest
+
+    #- name: Run type checker
+    #  run: ./vendor/bin/psalm
+      
+    - name: Run unit tests
+      run: ./vendor/bin/phpunit --testdox
+
+  coverage:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v1
+      with:
+        php-version: 7.4
+        extensions: mbstring, intl, json
+        coverage: pcov
+    
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress --no-suggest
+  
+    - name: Test & publish code coverage
+      uses: paambaati/codeclimate-action@v2.3.0
+      env:
+        CC_TEST_REPORTER_ID: ${{ secrets.codeClimateReporterID }}
+      with:
+        coverageCommand: ./vendor/bin/phpunit --coverage-clover=clover.xml
+        debug: true

README.md

@@ -24,12 +24,12 @@ There are several release branches of this library, each of these being compatib
 with different releases of PHPUnit and PHP. The following table should give an
 easy overview:
 
-| PSR-7 assertion version | PHPUnit 4 | PHPUnit 5 | PHPUnit 6 | PHPUnit 7 | PHPUnit 8 |
-| ----------------------- | --------- | --------- | --------- | --------- | --------- |
-| v1 (branch `v1`), **unsupported** | :white_check_mark: | :white_check_mark: | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: |
-| v2 (branch `v2`), **unsupported** | :no_entry_sign: | :no_entry_sign: | :white_check_mark: | :no_entry_sign: | :no_entry_sign: |
-| v3 (branch `v3`) | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: | :white_check_mark: | :no_entry_sign: |
-| v4 (branch `master`) | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: | :white_check_mark: |
+| PSR-7 assertion version | PHPUnit 4 | PHPUnit 5 | PHPUnit 6 | PHPUnit 7 | PHPUnit 8 | PHPUnit 9 |
+| ----------------------- | --------- | --------- | --------- | --------- | --------- | --------- |
+| v1 (branch `v1`), **unsupported** | :white_check_mark: | :white_check_mark: | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: |
+| v2 (branch `v2`), **unsupported** | :no_entry_sign: | :no_entry_sign: | :white_check_mark: | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: |
+| v3 (branch `v3`) | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: | :white_check_mark: | :no_entry_sign: | :no_entry_sign: |
+| v4 (branch `master`) | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: | :no_entry_sign: | :white_check_mark: | :white_check_mark: |
 
 When you are using `composer require` and have already declared a dependency to
 `phpunit/phpunit` in your `composer.json` file, Composer should pick latest

composer.json

@@ -15,10 +15,10 @@
     },
     "require-dev": {
         "guzzlehttp/psr7": "^1.2",
-        "phpunit/phpunit": "^8.0"
+        "phpunit/phpunit": "^8.0 || ^9.0"
     },
     "conflict": {
-        "phpunit/phpunit": "<8.0 || >= 9.0"
+        "phpunit/phpunit": "<8.0 || >= 10.0"
     },
     "autoload": {
         "psr-4": {
@@ -35,4 +35,4 @@
     "config": {
         "sort-packages": true
     }
-}
+}