Improve Travis build (#231)

* Improve Travis build

* Added more shields

* bugfiz

* minor

* bash fix

* Update min version

* Remove test code

* Refactor

.travis.yml

@@ -1,17 +1,40 @@
 language: php
 
+sudo: false
+
+cache:
+    directories:
+        - $HOME/.composer/cache/files
+
 php:
   - 5.5
   - 5.6
   - 7.0
+  - 7.1
   - hhvm
 
+matrix:
+    fast_finish: true
+    include:
+        - php: 5.5
+          env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" PREFER_COVERAGE=true
+
 install:
-  - travis_retry composer install
+    - travis_retry composer update ${COMPOSER_FLAGS} --prefer-source --no-interaction
+
+before_script:
+  - TEST_COMMAND="composer test-all"
+  - if ! [[ "$TRAVIS_PULL_REQUEST" = false ]]; then TEST_COMMAND="composer test"; fi
+  - if [[ "$PREFER_COVERAGE" = true ]] && [[ "$TRAVIS_PULL_REQUEST" = false ]]; then TEST_COMMAND="composer test-coverage" COVERAGE=true; fi
 
 script:
-  - composer test
-  - '[[ "${TRAVIS_PULL_REQUEST}" == "false" ]] && ( composer test-coverage ) || ( echo "Testing PR - No integration tests available")'
+  - echo $TEST_COMMAND
+  - $TEST_COMMAND
+
+after_success:
+    - if [[ "$COVERAGE" = true ]]; then wget https://scrutinizer-ci.com/ocular.phar; fi
+    - if [[ "$COVERAGE" = true ]]; then php ocular.phar code-coverage:upload --format=php-clover build/coverage.xml; fi
+
 
 notifications:
   slack:

README.md

@@ -6,9 +6,12 @@ Below are examples to get you started. For additional examples, please see our
 official documentation 
 at http://documentation.mailgun.com
 
-[![Latest Stable Version](https://poser.pugx.org/mailgun/mailgun-php/v/stable.png)](https://packagist.org/packages/mailgun/mailgun-php)
-[![Build Status](https://travis-ci.org/mailgun/mailgun-php.png)](https://travis-ci.org/mailgun/mailgun-php)
+[![Latest Version](https://img.shields.io/github/release/mailgun/mailgun-php.svg?style=flat-square)](https://github.com/mailgun/mailgun-php/releases)
+[![Build Status](https://img.shields.io/travis/mailgun/mailgun-php.svg?style=flat-square)](https://travis-ci.org/mailgun/mailgun-php)
 [![StyleCI](https://styleci.io/repos/11654443/shield?branch=master)](https://styleci.io/repos/11654443)
+[![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/mailgun/mailgun-php.svg?style=flat-square)](https://scrutinizer-ci.com/g/mailgun/mailgun-php)
+[![Quality Score](https://img.shields.io/scrutinizer/g/mailgun/mailgun-php.svg?style=flat-square)](https://scrutinizer-ci.com/g/mailgun/mailgun-php)
+[![Total Downloads](https://img.shields.io/packagist/dt/mailgun/mailgun-php.svg?style=flat-square)](https://packagist.org/packages/mailgun/mailgun-php)
 
 **This is the documentation for dev-master. You find documentation for the latest stable 
 release [here](https://github.com/mailgun/mailgun-php/tree/v2.1.2).**

composer.json

@@ -6,7 +6,7 @@
         "php-http/httplug": "^1.0",
         "php-http/multipart-stream-builder": "^0.1",
         "php-http/message": "^1.0",
-        "php-http/client-common": "^1.0",
+        "php-http/client-common": "^1.1",
         "php-http/discovery": "^1.0",
         "webmozart/assert": "^1.2"
     },
@@ -33,6 +33,8 @@
     ],
     "scripts": {
         "test": "vendor/bin/phpunit --testsuite unit && vendor/bin/phpunit --testsuite functional",
-        "test-coverage": "vendor/bin/phpunit --testsuite integration --coverage-text --coverage-clover=build/coverage.xml"
+        "test-all": "vendor/bin/phpunit",
+        "test-integration": "vendor/bin/phpunit --testsuite integration",
+        "test-coverage": "vendor/bin/phpunit --coverage-text --coverage-clover=build/coverage.xml"
     }
 }