Merge pull request #17 from contentful/chore/ci

Add support for Circle CI

Author: dborsatto

.circleci/config.yml

@@ -0,0 +1,61 @@
+version: 2
+
+workflows:
+  version: 2
+  lint_and_test:
+    jobs:
+      - lint
+      - test70
+      - test71
+      - test72
+
+jobs:
+  lint:
+    docker:
+      - image: circleci/php:7.2-cli
+    steps:
+      - checkout
+      - run: { name: "Install dependencies", command: sudo composer self-update && composer install -n --prefer-dist }
+      - run:
+          name: Syntax tests
+          command: |
+            wget http://cs.sensiolabs.org/download/php-cs-fixer-v2.phar -q -O php-cs-fixer.phar
+            composer run lint-syntax
+      - run:
+          name: Static analysis
+          command: |
+            wget https://github.com/phpstan/phpstan/releases/download/0.9.2/phpstan.phar -q -O phpstan.phar
+            composer run lint-static-analysis
+
+  test56:
+    docker:
+      - image: circleci/php:5.6-cli
+    steps:
+      - checkout
+      - run: { name: "Install dependencies", command: "sudo composer self-update && composer install -n --prefer-dist" }
+      - run: { name: "Test suite", command: "composer test-quick-fail" }
+
+  test70:
+    docker:
+      - image: circleci/php:7.0-cli
+    steps:
+      - checkout
+      - run: { name: "Install dependencies", command: "sudo composer self-update && composer install -n --prefer-dist" }
+      - run: { name: "Test suite", command: "composer test-quick-fail" }
+
+  test71:
+    docker:
+      - image: circleci/php:7.1-cli
+    steps:
+      - checkout
+      - run: { name: "Install dependencies", command: "sudo composer self-update && composer install -n --prefer-dist" }
+      - run: { name: "Test suite", command: "composer test-quick-fail" }
+
+  test72:
+    docker:
+      - image: circleci/php:7.2-cli
+    steps:
+      - checkout
+      - run: { name: "Install dependencies", command: "sudo composer self-update && composer install -n --prefer-dist" }
+      - run: { name: "Test suite", command: "composer test-quick-fail" }
+      - run: { name: "Upload code coverage", command: "bash <(curl -s https://codecov.io/bash) -f build/logs/clover.xml" }

.travis.yml

@@ -27,7 +27,10 @@
         }
     },
     "scripts": {
-        "test": "vendor/bin/phpunit"
+        "test": "vendor/bin/phpunit",
+        "test-quick-fail": "php vendor/bin/phpunit --stop-on-error --stop-on-failure -v",
+        "lint-syntax": "$([ -f php-cs-fixer.phar ] && echo \"php php-cs-fixer.phar\" || echo \"php-cs-fixer\") fix --dry-run --stop-on-violation -v",
+        "lint-static-analysis": "$([ -f phpstan.phar ] && echo \"php phpstan.phar\" || echo \"phpstan\") analyse --level=max src/"
     },
     "extra": {
         "branch-alias": {