separate tests for better diagnosis of future failures

Author: adavidw

.travis.yml

@@ -1,23 +1,37 @@
 language: php
 
+sudo: false
+
+env:
+    - TEST_SUITE=samples
+    - TEST_SUITE=coverage
+
 php:
     - 5.6
     - 7.0
     - 7.1
 
-sudo: false
+before_install:
+    # execute all of the commands which need to be executed 
+    # before installing dependencies
+    - composer validate # make sure that our composer.json file is valid for packaging
 
-before_script:
+install:
+    # install all of the dependencies we need here
     - pecl install xmldiff
     - composer install --prefer-dist
+
+before_script:
+    # execute all of the commands which need to be executed 
+    # before running actual tests
     - git submodule update --remote --recursive
 
 script:
-    - vendor/phpunit/phpunit/phpunit --coverage-clover=coverage.clover
-    - cd sample-code-php
-    - composer install --prefer-dist
-    - vendor/phpunit/phpunit/phpunit test-runner.php .
+    # execute all of the tests or other commands to determine
+    # whether the build will pass or fail
+    - if [[ "$TEST_SUITE" == "coverage" ]]; then vendor/phpunit/phpunit/phpunit --coverage-clover=coverage.clover; fi
+    - if [[ "$TEST_SUITE" == "samples" ]]; then phpenv config-rm xdebug.ini; cd sample-code-php; composer install --prefer-dist; vendor/phpunit/phpunit/phpunit test-runner.php .; fi
 
 after_script:
-    - wget https://scrutinizer-ci.com/ocular.phar
-#    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+#    - if [[ "$TEST_SUITE" == "coverage" ]]; then wget https://scrutinizer-ci.com/ocular.phar; fi
+#    - if [[ "$TEST_SUITE" == "coverage" ]]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi