:construction_worker: :arrow_up: :heavy_plus_sign: Update PHPUnit to current stable 6.

Update requirements to PHP7 for dev.
Add php-mock-phpunit to mock and stub global functions in a better way.

8 files changed, 372 insertions, 224 deletions

diff --git a/.travis.yml b/.travis.yml
index 323c48f7f..2d1771c1b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,11 +33,11 @@ addons:
 #  - mariadb
 #  - postgresql
 
-# any PHP version we want to test against, our unit tests require PHP>=5.6
+# any PHP version we want to test against, current stable phpunit requires PHP >= 7.0
 php:
-  - '5.6'
   - '7.0'
   - '7.1'
+  # HHVM does not fulfil PHPUnit platform requirements as being compatible with PHP7 yet
   #- 'hhvm'
 
 # list of environments to test
@@ -108,8 +108,6 @@ install:
 before_script:
   # Use code coverage config for phpunit
   - if [[ ! -z $CODECOV ]]; then export PHPUCOV=""; fi
-  # HHVM needs xdebug for code coverage, but extremely slow
-  #- if [[ $TRAVIS_PHP_VERSION =~ ^hhvm ]]; then echo 'xdebug.enable = On' >> /etc/hhvm/php.ini; fi
   # Some preparation tasks of environment
   - ./tests/travis/prepare.sh
   # DB specific prepare scripts
diff --git a/composer.json b/composer.json
index f355566f2..868a89d19 100644
--- a/composer.json
+++ b/composer.json
@@ -33,11 +33,12 @@
 		"pixel418/markdownify": "^2.2"
 	},
 	"require-dev" : {
-		"php" : ">=5.6",
-		"phpunit/phpunit" : "^5.7",
+		"php" : ">=7.0",
+		"phpunit/phpunit" : "^6.0",
 		"behat/behat" : "@stable",
 		"behat/mink-extension": "@stable",
-		"behat/mink-goutte-driver": "@stable"
+		"behat/mink-goutte-driver": "@stable",
+		"php-mock/php-mock-phpunit": "^2.0"
 	},
 	"autoload" : {
 		"psr-4" : {
diff --git a/composer.lock b/composer.lock
index 06fb17410..7541448f2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "c0cafbf9fd702be588f6b392b9742cb6",
+    "content-hash": "0b382a501597bf5f59a5f22e85954cbe",
     "packages": [
         {
             "name": "michelf/php-markdown",
@@ -1113,21 +1113,21 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.2.2",
+            "version": "6.2.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "ebf29dee597f02f09f4d5bbecc68230ea9b08f60"
+                "reference": "8d6c6cc55186db87b7dc5009827429ba4e9dc006"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/ebf29dee597f02f09f4d5bbecc68230ea9b08f60",
-                "reference": "ebf29dee597f02f09f4d5bbecc68230ea9b08f60",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/8d6c6cc55186db87b7dc5009827429ba4e9dc006",
+                "reference": "8d6c6cc55186db87b7dc5009827429ba4e9dc006",
                 "shasum": ""
             },
             "require": {
                 "guzzlehttp/promises": "^1.0",
-                "guzzlehttp/psr7": "^1.3.1",
+                "guzzlehttp/psr7": "^1.4",
                 "php": ">=5.5"
             },
             "require-dev": {
@@ -1171,7 +1171,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2016-10-08T15:01:37+00:00"
+            "time": "2017-02-28T22:50:30+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -1226,16 +1226,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.4.0",
+            "version": "1.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "04a6d1a00ea5da0727ee94309a9f0d3dbaecb569"
+                "reference": "0d6c7ca039329247e4f0f8f8f6506810e8248855"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/04a6d1a00ea5da0727ee94309a9f0d3dbaecb569",
-                "reference": "04a6d1a00ea5da0727ee94309a9f0d3dbaecb569",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/0d6c7ca039329247e4f0f8f8f6506810e8248855",
+                "reference": "0d6c7ca039329247e4f0f8f8f6506810e8248855",
                 "shasum": ""
             },
             "require": {
@@ -1287,7 +1287,7 @@
                 "uri",
                 "url"
             ],
-            "time": "2017-02-21T01:20:32+00:00"
+            "time": "2017-02-27T10:51:17+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -1332,6 +1332,171 @@
             "time": "2017-01-26T22:05:40+00:00"
         },
         {
+            "name": "php-mock/php-mock",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-mock/php-mock.git",
+                "reference": "22d297231118e6fd5b9db087fbe1ef866c2b95d2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-mock/php-mock/zipball/22d297231118e6fd5b9db087fbe1ef866c2b95d2",
+                "reference": "22d297231118e6fd5b9db087fbe1ef866c2b95d2",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6",
+                "phpunit/php-text-template": "^1"
+            },
+            "replace": {
+                "malkusch/php-mock": "*"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^5.7"
+            },
+            "suggest": {
+                "php-mock/php-mock-phpunit": "Allows integration into PHPUnit testcase with the trait PHPMock."
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "phpmock\\": [
+                        "classes/",
+                        "tests/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "WTFPL"
+            ],
+            "authors": [
+                {
+                    "name": "Markus Malkusch",
+                    "email": "markus@malkusch.de",
+                    "homepage": "http://markus.malkusch.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "PHP-Mock can mock built-in PHP functions (e.g. time()). PHP-Mock relies on PHP's namespace fallback policy. No further extension is needed.",
+            "homepage": "https://github.com/php-mock/php-mock",
+            "keywords": [
+                "BDD",
+                "TDD",
+                "function",
+                "mock",
+                "stub",
+                "test",
+                "test double"
+            ],
+            "time": "2017-02-17T20:52:52+00:00"
+        },
+        {
+            "name": "php-mock/php-mock-integration",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-mock/php-mock-integration.git",
+                "reference": "5a0d7d7755f823bc2a230cfa45058b40f9013bc4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-mock/php-mock-integration/zipball/5a0d7d7755f823bc2a230cfa45058b40f9013bc4",
+                "reference": "5a0d7d7755f823bc2a230cfa45058b40f9013bc4",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6",
+                "php-mock/php-mock": "^2",
+                "phpunit/php-text-template": "^1"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4|^5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "phpmock\\integration\\": "classes/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "WTFPL"
+            ],
+            "authors": [
+                {
+                    "name": "Markus Malkusch",
+                    "email": "markus@malkusch.de",
+                    "homepage": "http://markus.malkusch.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Integration package for PHP-Mock",
+            "homepage": "https://github.com/php-mock/php-mock-integration",
+            "keywords": [
+                "BDD",
+                "TDD",
+                "function",
+                "mock",
+                "stub",
+                "test",
+                "test double"
+            ],
+            "time": "2017-02-17T21:31:34+00:00"
+        },
+        {
+            "name": "php-mock/php-mock-phpunit",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-mock/php-mock-phpunit.git",
+                "reference": "173781abdc632c59200253e12e2b991ae6a4574f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-mock/php-mock-phpunit/zipball/173781abdc632c59200253e12e2b991ae6a4574f",
+                "reference": "173781abdc632c59200253e12e2b991ae6a4574f",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7",
+                "php-mock/php-mock-integration": "^2",
+                "phpunit/phpunit": "^6"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "phpmock\\phpunit\\": "classes/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "WTFPL"
+            ],
+            "authors": [
+                {
+                    "name": "Markus Malkusch",
+                    "email": "markus@malkusch.de",
+                    "homepage": "http://markus.malkusch.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Mock built-in PHP functions (e.g. time()) with PHPUnit. This package relies on PHP's namespace fallback policy. No further extension is needed.",
+            "homepage": "https://github.com/php-mock/php-mock-phpunit",
+            "keywords": [
+                "BDD",
+                "TDD",
+                "function",
+                "mock",
+                "phpunit",
+                "stub",
+                "test",
+                "test double"
+            ],
+            "time": "2017-02-17T22:44:38+00:00"
+        },
+        {
             "name": "phpdocumentor/reflection-common",
             "version": "1.0",
             "source": {
@@ -1479,27 +1644,27 @@
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.6.2",
+            "version": "v1.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb"
+                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/6c52c2722f8460122f96f86346600e1077ce22cb",
-                "reference": "6c52c2722f8460122f96f86346600e1077ce22cb",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/93d39f1f7f9326d746203c7c056f300f7f126073",
+                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
-                "sebastian/comparator": "^1.1",
-                "sebastian/recursion-context": "^1.0|^2.0"
+                "sebastian/comparator": "^1.1|^2.0",
+                "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.0",
+                "phpspec/phpspec": "^2.5|^3.2",
                 "phpunit/phpunit": "^4.8 || ^5.6.5"
             },
             "type": "library",
@@ -1538,44 +1703,44 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-11-21T14:58:47+00:00"
+            "time": "2017-03-02T20:05:34+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "4.0.6",
+            "version": "5.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "ca060f645beeddebedb1885c97bf163e93264c35"
+                "reference": "531553c4795a1df54114342d68ca337d5d81c8a0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/ca060f645beeddebedb1885c97bf163e93264c35",
-                "reference": "ca060f645beeddebedb1885c97bf163e93264c35",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/531553c4795a1df54114342d68ca337d5d81c8a0",
+                "reference": "531553c4795a1df54114342d68ca337d5d81c8a0",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0",
-                "phpunit/php-file-iterator": "~1.3",
-                "phpunit/php-text-template": "~1.2",
-                "phpunit/php-token-stream": "^1.4.2 || ^2.0",
-                "sebastian/code-unit-reverse-lookup": "~1.0",
-                "sebastian/environment": "^1.3.2 || ^2.0",
-                "sebastian/version": "~1.0|~2.0"
+                "ext-dom": "*",
+                "ext-xmlwriter": "*",
+                "php": "^7.0",
+                "phpunit/php-file-iterator": "^1.3",
+                "phpunit/php-text-template": "^1.2",
+                "phpunit/php-token-stream": "^1.4.11 || ^2.0",
+                "sebastian/code-unit-reverse-lookup": "^1.0",
+                "sebastian/environment": "^2.0",
+                "sebastian/version": "^2.0"
             },
             "require-dev": {
-                "ext-xdebug": ">=2.1.4",
-                "phpunit/phpunit": "^5.4"
+                "ext-xdebug": "^2.5",
+                "phpunit/phpunit": "^6.0"
             },
             "suggest": {
-                "ext-dom": "*",
-                "ext-xdebug": ">=2.4.0",
-                "ext-xmlwriter": "*"
+                "ext-xdebug": "^2.5.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0.x-dev"
+                    "dev-master": "5.0.x-dev"
                 }
             },
             "autoload": {
@@ -1601,7 +1766,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-02-23T07:38:02+00:00"
+            "time": "2017-03-01T09:14:18+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -1693,25 +1858,30 @@
         },
         {
             "name": "phpunit/php-timer",
-            "version": "1.0.8",
+            "version": "1.0.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-timer.git",
-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260"
+                "reference": "3dcf38ca72b158baf0bc245e9184d3fdffa9c46f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/38e9124049cf1a164f1e4537caf19c99bf1eb260",
-                "reference": "38e9124049cf1a164f1e4537caf19c99bf1eb260",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-timer/zipball/3dcf38ca72b158baf0bc245e9184d3fdffa9c46f",
+                "reference": "3dcf38ca72b158baf0bc245e9184d3fdffa9c46f",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4|~5"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
             "autoload": {
                 "classmap": [
                     "src/"
@@ -1733,20 +1903,20 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2016-05-12T18:03:57+00:00"
+            "time": "2017-02-26T11:10:40+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.10",
+            "version": "1.4.11",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "284fb0679dd25fb5ffb56dad92c72860c0a22f1b"
+                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/284fb0679dd25fb5ffb56dad92c72860c0a22f1b",
-                "reference": "284fb0679dd25fb5ffb56dad92c72860c0a22f1b",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/e03f8f67534427a787e21a385a67ec3ca6978ea7",
+                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7",
                 "shasum": ""
             },
             "require": {
@@ -1782,20 +1952,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2017-02-23T06:14:45+00:00"
+            "time": "2017-02-27T10:12:30+00:00"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "5.7.14",
+            "version": "6.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "4906b8faf23e42612182fd212eb6f4c0f2954b57"
+                "reference": "47ee3fa1bca5c50f1d25105201eb20df777bd7b6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/4906b8faf23e42612182fd212eb6f4c0f2954b57",
-                "reference": "4906b8faf23e42612182fd212eb6f4c0f2954b57",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/47ee3fa1bca5c50f1d25105201eb20df777bd7b6",
+                "reference": "47ee3fa1bca5c50f1d25105201eb20df777bd7b6",
                 "shasum": ""
             },
             "require": {
@@ -1804,33 +1974,33 @@
                 "ext-libxml": "*",
                 "ext-mbstring": "*",
                 "ext-xml": "*",
-                "myclabs/deep-copy": "~1.3",
-                "php": "^5.6 || ^7.0",
+                "myclabs/deep-copy": "^1.3",
+                "php": "^7.0",
                 "phpspec/prophecy": "^1.6.2",
-                "phpunit/php-code-coverage": "^4.0.4",
-                "phpunit/php-file-iterator": "~1.4",
-                "phpunit/php-text-template": "~1.2",
+                "phpunit/php-code-coverage": "^5.0",
+                "phpunit/php-file-iterator": "^1.4",
+                "phpunit/php-text-template": "^1.2",
                 "phpunit/php-timer": "^1.0.6",
-                "phpunit/phpunit-mock-objects": "^3.2",
-                "sebastian/comparator": "^1.2.4",
-                "sebastian/diff": "~1.2",
-                "sebastian/environment": "^1.3.4 || ^2.0",
-                "sebastian/exporter": "~2.0",
-                "sebastian/global-state": "^1.1",
-                "sebastian/object-enumerator": "~2.0",
-                "sebastian/resource-operations": "~1.0",
-                "sebastian/version": "~1.0.3|~2.0",
-                "symfony/yaml": "~2.1|~3.0"
+                "phpunit/phpunit-mock-objects": "^4.0",
+                "sebastian/comparator": "^1.2.4 || ^2.0",
+                "sebastian/diff": "^1.2",
+                "sebastian/environment": "^2.0",
+                "sebastian/exporter": "^2.0 || ^3.0",
+                "sebastian/global-state": "^1.1 || ^2.0",
+                "sebastian/object-enumerator": "^2.0 || ^3.0",
+                "sebastian/resource-operations": "^1.0",
+                "sebastian/version": "^2.0"
             },
             "conflict": {
-                "phpdocumentor/reflection-docblock": "3.0.2"
+                "phpdocumentor/reflection-docblock": "3.0.2",
+                "phpunit/dbunit": "<3.0"
             },
             "require-dev": {
                 "ext-pdo": "*"
             },
             "suggest": {
                 "ext-xdebug": "*",
-                "phpunit/php-invoker": "~1.1"
+                "phpunit/php-invoker": "^1.1"
             },
             "bin": [
                 "phpunit"
@@ -1838,7 +2008,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.7.x-dev"
+                    "dev-master": "6.0.x-dev"
                 }
             },
             "autoload": {
@@ -1864,33 +2034,33 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-02-19T07:22:16+00:00"
+            "time": "2017-03-02T15:24:03+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "3.4.3",
+            "version": "4.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24"
+                "reference": "eabce450df194817a7d7e27e19013569a903a2bf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
-                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/eabce450df194817a7d7e27e19013569a903a2bf",
+                "reference": "eabce450df194817a7d7e27e19013569a903a2bf",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
-                "php": "^5.6 || ^7.0",
+                "php": "^7.0",
                 "phpunit/php-text-template": "^1.2",
-                "sebastian/exporter": "^1.2 || ^2.0"
+                "sebastian/exporter": "^3.0"
             },
             "conflict": {
-                "phpunit/phpunit": "<5.4.0"
+                "phpunit/phpunit": "<6.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^5.4"
+                "phpunit/phpunit": "^6.0"
             },
             "suggest": {
                 "ext-soap": "*"
@@ -1898,7 +2068,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2.x-dev"
+                    "dev-master": "4.0.x-dev"
                 }
             },
             "autoload": {
@@ -1923,7 +2093,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2016-12-08T20:27:08+00:00"
+            "time": "2017-03-03T06:30:20+00:00"
         },
         {
             "name": "psr/container",
@@ -2026,23 +2196,23 @@
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
-            "version": "1.0.0",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/code-unit-reverse-lookup.git",
-                "reference": "c36f5e7cfce482fde5bf8d10d41a53591e0198fe"
+                "reference": "4419fcdb5eabb9caa61a27c7a1db532a6b55dd18"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/code-unit-reverse-lookup/zipball/c36f5e7cfce482fde5bf8d10d41a53591e0198fe",
-                "reference": "c36f5e7cfce482fde5bf8d10d41a53591e0198fe",
+                "url": "https://api.github.com/repos/sebastianbergmann/code-unit-reverse-lookup/zipball/4419fcdb5eabb9caa61a27c7a1db532a6b55dd18",
+                "reference": "4419fcdb5eabb9caa61a27c7a1db532a6b55dd18",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.6"
+                "php": "^5.6 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~5"
+                "phpunit/phpunit": "^5.7 || ^6.0"
             },
             "type": "library",
             "extra": {
@@ -2067,34 +2237,34 @@
             ],
             "description": "Looks up which function or method a line of code belongs to",
             "homepage": "https://github.com/sebastianbergmann/code-unit-reverse-lookup/",
-            "time": "2016-02-13T06:45:14+00:00"
+            "time": "2017-03-04T06:30:41+00:00"
         },
         {
             "name": "sebastian/comparator",
-            "version": "1.2.4",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "2b7424b55f5047b47ac6e5ccb20b2aea4011d9be"
+                "reference": "20f84f468cb67efee293246e6a09619b891f55f0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/2b7424b55f5047b47ac6e5ccb20b2aea4011d9be",
-                "reference": "2b7424b55f5047b47ac6e5ccb20b2aea4011d9be",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/20f84f468cb67efee293246e6a09619b891f55f0",
+                "reference": "20f84f468cb67efee293246e6a09619b891f55f0",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3",
-                "sebastian/diff": "~1.2",
-                "sebastian/exporter": "~1.2 || ~2.0"
+                "php": "^7.0",
+                "sebastian/diff": "^1.2",
+                "sebastian/exporter": "^3.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -2131,7 +2301,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2017-01-29T09:50:25+00:00"
+            "time": "2017-03-03T06:26:08+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -2237,30 +2407,30 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "2.0.0",
+            "version": "3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4"
+                "reference": "b82d077cb3459e393abcf4867ae8f7230dcb51f6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4",
-                "reference": "ce474bdd1a34744d7ac5d6aad3a46d48d9bac4c4",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/b82d077cb3459e393abcf4867ae8f7230dcb51f6",
+                "reference": "b82d077cb3459e393abcf4867ae8f7230dcb51f6",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3",
-                "sebastian/recursion-context": "~2.0"
+                "php": "^7.0",
+                "sebastian/recursion-context": "^3.0"
             },
             "require-dev": {
                 "ext-mbstring": "*",
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0.x-dev"
                 }
             },
             "autoload": {
@@ -2300,7 +2470,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-11-19T08:54:04+00:00"
+            "time": "2017-03-03T06:25:06+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -2355,29 +2525,29 @@
         },
         {
             "name": "sebastian/object-enumerator",
-            "version": "2.0.1",
+            "version": "3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/object-enumerator.git",
-                "reference": "1311872ac850040a79c3c058bea3e22d0f09cbb7"
+                "reference": "de6e32f7192dfea2e4bedc892434f4830b5c5794"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/1311872ac850040a79c3c058bea3e22d0f09cbb7",
-                "reference": "1311872ac850040a79c3c058bea3e22d0f09cbb7",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/de6e32f7192dfea2e4bedc892434f4830b5c5794",
+                "reference": "de6e32f7192dfea2e4bedc892434f4830b5c5794",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.6",
-                "sebastian/recursion-context": "~2.0"
+                "php": "^7.0",
+                "sebastian/recursion-context": "^3.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~5"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0.x-dev"
                 }
             },
             "autoload": {
@@ -2397,32 +2567,32 @@
             ],
             "description": "Traverses array structures and object graphs to enumerate all referenced objects",
             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2017-02-18T15:18:39+00:00"
+            "time": "2017-03-03T06:21:01+00:00"
         },
         {
             "name": "sebastian/recursion-context",
-            "version": "2.0.0",
+            "version": "3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a"
+                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/2c3ba150cbec723aa057506e73a8d33bdb286c9a",
-                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
+                "reference": "5b0cd723502bac3b006cbf3dbf7a1e3fcefe4fa8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.4"
+                "phpunit/phpunit": "^6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "3.0.x-dev"
                 }
             },
             "autoload": {
@@ -2450,7 +2620,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2016-11-19T07:33:16+00:00"
+            "time": "2017-03-03T06:23:57+00:00"
         },
         {
             "name": "sebastian/resource-operations",
@@ -3354,6 +3524,6 @@
         "ext-openssl": "*"
     },
     "platform-dev": {
-        "php": ">=5.6"
+        "php": ">=7.0"
     }
 }
diff --git a/tests/phpunit-mysql.xml b/tests/phpunit-mysql.xml
index 9ba40f087..171211094 100644
--- a/tests/phpunit-mysql.xml
+++ b/tests/phpunit-mysql.xml
@@ -1,12 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/5.7/phpunit.xsd"
-         backupGlobals="false"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/6.0/phpunit.xsd"
+         bootstrap="../boot.php"
+         forceCoversAnnotation="false"
          beStrictAboutCoversAnnotation="true"
          beStrictAboutOutputDuringTests="true"
-         beStrictAboutTestsThatDoNotTestAnything="true"
          beStrictAboutTodoAnnotatedTests="true"
-         processIsolation="false"
          verbose="true">
     <testsuite name="Hubzilla default Test Suite">
         <directory suffix="Test.php">./unit/</directory>
@@ -31,7 +30,8 @@
     </filter>
     <logging>
         <log type="junit" target="./results/junit.xml" logIncompleteSkipped="false"/>
-        <log type="coverage-html" target="./results/report/" lowUpperBound="35"
-       highLowerBound="70"/>
+        <log type="coverage-clover" target="./results/coverage-clover.xml"/>
+        <log type="coverage-html" target="./results/coverage-report/" lowUpperBound="35"
+        highLowerBound="70"/>
     </logging>
 </phpunit>
diff --git a/tests/phpunit-pgsql.xml b/tests/phpunit-pgsql.xml
index f59dd05ad..ace14e196 100644
--- a/tests/phpunit-pgsql.xml
+++ b/tests/phpunit-pgsql.xml
@@ -1,12 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/5.7/phpunit.xsd"
-         backupGlobals="false"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/6.0/phpunit.xsd"
+         bootstrap="../boot.php"
+         forceCoversAnnotation="false"
          beStrictAboutCoversAnnotation="true"
          beStrictAboutOutputDuringTests="true"
-         beStrictAboutTestsThatDoNotTestAnything="true"
          beStrictAboutTodoAnnotatedTests="true"
-         processIsolation="true"
          verbose="true">
     <testsuite name="Hubzilla default Test Suite">
         <directory suffix="Test.php">./unit/</directory>
@@ -28,7 +27,8 @@
     </filter>
     <logging>
         <log type="junit" target="./results/junit.xml" logIncompleteSkipped="false"/>
-        <log type="coverage-html" target="./results/report/" lowUpperBound="35"
-       highLowerBound="70"/>
+        <log type="coverage-clover" target="./results/coverage-clover.xml"/>
+        <log type="coverage-html" target="./results/coverage-report/" lowUpperBound="35"
+        highLowerBound="70"/>
     </logging>
 </phpunit>
diff --git a/tests/unit/Lib/PermissionDescriptionTest.php b/tests/unit/Lib/PermissionDescriptionTest.php
index b1da5a0fd..97a39a2c8 100644
--- a/tests/unit/Lib/PermissionDescriptionTest.php
+++ b/tests/unit/Lib/PermissionDescriptionTest.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright (c) 2016 Hubzilla
+ * Copyright (c) 2016-2017 Hubzilla
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -21,90 +21,75 @@
  * SOFTWARE.
  */
 
-// Global namespace for fully qualified \App class.
-namespace {
-	// General channel permissions in boot.php
-	// 0 = Only you
-	define ( 'PERMS_PUBLIC'     , 0x0001 ); // anybody
-	define ( 'PERMS_NETWORK'    , 0x0002 ); // anybody in this network
-	define ( 'PERMS_SITE'       , 0x0004 ); // anybody on this site
-	define ( 'PERMS_CONTACTS'   , 0x0008 ); // any of my connections
-	define ( 'PERMS_SPECIFIC'   , 0x0080 ); // only specific connections
-	define ( 'PERMS_AUTHED'     , 0x0100 ); // anybody authenticated (could include visitors from other networks)
-	define ( 'PERMS_PENDING'    , 0x0200 ); // any connections including those who haven't yet been approved
-	// log levels in boot.php
-	define ( 'LOGGER_DEBUG',           2 );
+namespace Zotlabs\Tests\Unit\Lib;
 
-	// Stub global fully qualified \App class for static function calls
-	class App {
-		// Stub get_hostname()
-		public static function get_hostname() {
-			return 'phpunit';
-		}
-	}
-}
+use phpmock\phpunit\PHPMock;
+use Zotlabs\Tests\Unit\UnitTestCase;
+use Zotlabs\Lib\PermissionDescription;
 
-// Stub global functions used in PermissionDescription with the help of
-// PHP's namespace resolution rules.
-namespace Zotlabs\Lib {
-	// Stub global translate function t()
-	function t($s) {
-		return $s;
-	}
-	// Stub global log function logger()
-	function logger($msg, $level = LOGGER_NORMAL, $priority = LOG_INFO) {
-		// doesn't matter
-	}
-}
+/**
+ * @brief Unit Test case for PermissionDescription class.
+ */
+class PermissionDescriptionTest extends UnitTestCase {
 
-// regular namespace for this unit test
-namespace Zotlabs\Tests\Unit\Lib {
+	use PHPMock;
 
-	use Zotlabs\Tests\Unit\UnitTestCase;
-	use Zotlabs\Lib\PermissionDescription;
+	public function testFromDescription() {
+		$permDesc = PermissionDescription::fromDescription('test');
+		$permDesc2 = PermissionDescription::fromDescription('test');
+		$permDesc3 = PermissionDescription::fromDescription('test2');
 
-	/**
-	 * @brief Unit Test case for ConnectionPool class.
-	 */
-	class PermissionDescriptionTest extends UnitTestCase {
+		$this->assertEquals($permDesc, $permDesc2);
+		$this->assertNotEquals($permDesc, $permDesc3);
+	}
 
-		public function testFromDescription() {
-			$permDesc = PermissionDescription::fromDescription('test');
-			$permDesc2 = PermissionDescription::fromDescription('test');
-			$permDesc3 = PermissionDescription::fromDescription('test2');
+	public function testFromStandalonePermission() {
+		// Create a stub for global function t()
+		$t = $this->getFunctionMock('Zotlabs\Lib', 't');
+		$t->expects($this->atLeastOnce())->willReturnCallback(
+			function ($string) {
+				return $string;
+			}
+		);
+		// Create a mock for global function logger()
+		$this->getFunctionMock('Zotlabs\Lib', 'logger');
 
-			$this->assertEquals($permDesc, $permDesc2);
-			$this->assertNotEquals($permDesc, $permDesc3);
-		}
+		$permDescUnknown = PermissionDescription::fromStandalonePermission(-1);
+		$permDescSelf = PermissionDescription::fromStandalonePermission(0);
 
-		public function testFromStandalonePermission() {
-			$permDescUnknown = PermissionDescription::fromStandalonePermission(-1);
-			$permDescSelf = PermissionDescription::fromStandalonePermission(0);
+		$this->assertNull($permDescUnknown);
+		$this->assertNotNull($permDescSelf);
+	}
 
-			$this->assertNull($permDescUnknown);
-			$this->assertNotNull($permDescSelf);
-		}
+	public function testFromGlobalPermission() {
+		//$permDesc = PermissionDescription::fromGlobalPermission('view_profile');
 
-		public function testFromGlobalPermission() {
-			//$permDesc = PermissionDescription::fromGlobalPermission('view_profile');
+		$this->markTestIncomplete(
+			'The method fromGlobalPermission() is not yet testable ...'
+		);
+	}
 
-			$this->markTestIncomplete(
-				'For this test we need more stubs...'
-			);
-		}
+	public function testGetPermissionDescription() {
+		// Create a stub for global function t()
+		$t = $this->getFunctionMock('Zotlabs\Lib', 't');
+		$t->expects($this->atLeastOnce())->willReturnCallback(
+				function ($string) {
+					return $string;
+				}
+		);
+		// Create a mock for global function logger()
+		$this->getFunctionMock('Zotlabs\Lib', 'logger');
 
-		public function testGetPermissionDescription() {
+		// Create a stub for the PermissionDescription class
+		$stub = $this->createMock(PermissionDescription::class);
+		$stub->method('get_permission_description')
+			->will($this->returnArgument(0));
 
-			// fromStandalonePermission uses get_permission_description(), so that will not help
-			//$permDescSelf = PermissionDescription::fromStandalonePermission(0);
-			//$permDescPublic = PermissionDescription::fromStandalonePermission(PERMS_PUBLIC);
+		$permDescSelf = PermissionDescription::fromStandalonePermission(0);
+		$this->assertInstanceOf(PermissionDescription::class, $permDescSelf);
+		$this->assertEquals($permDescSelf->get_permission_description(), 'Only me');
 
-			$this->markTestIncomplete(
-				'For this test we need a mock of PermissionDescription...'
-			);
-			//$permDescSelf =
-			//$this->assertEquals($permDescSelf->, 'Only me');
-			//$this->assertEquals($permDescPublic, 'Public');
-		}
+		$permDescPublic = PermissionDescription::fromStandalonePermission(PERMS_PUBLIC);
+		$this->assertEquals($permDescPublic->get_permission_description(), 'Public');
 	}
 }
diff --git a/vendor/composer/autoload_classmap.php b/vendor/composer/autoload_classmap.php
index 2adb2fe53..28ef0d2bf 100644
--- a/vendor/composer/autoload_classmap.php
+++ b/vendor/composer/autoload_classmap.php
@@ -361,9 +361,6 @@ return array(
     'Sabre\\Xml\\Writer' => $vendorDir . '/sabre/xml/lib/Writer.php',
     'Sabre\\Xml\\XmlDeserializable' => $vendorDir . '/sabre/xml/lib/XmlDeserializable.php',
     'Sabre\\Xml\\XmlSerializable' => $vendorDir . '/sabre/xml/lib/XmlSerializable.php',
-    'Test\\Markdownify\\ConverterExtraTest' => $vendorDir . '/pixel418/markdownify/test/ConverterExtraTest.php',
-    'Test\\Markdownify\\ConverterTest' => $vendorDir . '/pixel418/markdownify/test/ConverterTest.php',
-    'Test\\Markdownify\\ConverterTestCase' => $vendorDir . '/pixel418/markdownify/test/ConverterTestCase.php',
     'Zotlabs\\Access\\AccessList' => $baseDir . '/Zotlabs/Access/AccessList.php',
     'Zotlabs\\Access\\PermissionLimits' => $baseDir . '/Zotlabs/Access/PermissionLimits.php',
     'Zotlabs\\Access\\PermissionRoles' => $baseDir . '/Zotlabs/Access/PermissionRoles.php',
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index a7c84b7f1..eb4311159 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -476,9 +476,6 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
         'Sabre\\Xml\\Writer' => __DIR__ . '/..' . '/sabre/xml/lib/Writer.php',
         'Sabre\\Xml\\XmlDeserializable' => __DIR__ . '/..' . '/sabre/xml/lib/XmlDeserializable.php',
         'Sabre\\Xml\\XmlSerializable' => __DIR__ . '/..' . '/sabre/xml/lib/XmlSerializable.php',
-        'Test\\Markdownify\\ConverterExtraTest' => __DIR__ . '/..' . '/pixel418/markdownify/test/ConverterExtraTest.php',
-        'Test\\Markdownify\\ConverterTest' => __DIR__ . '/..' . '/pixel418/markdownify/test/ConverterTest.php',
-        'Test\\Markdownify\\ConverterTestCase' => __DIR__ . '/..' . '/pixel418/markdownify/test/ConverterTestCase.php',
         'Zotlabs\\Access\\AccessList' => __DIR__ . '/../..' . '/Zotlabs/Access/AccessList.php',
         'Zotlabs\\Access\\PermissionLimits' => __DIR__ . '/../..' . '/Zotlabs/Access/PermissionLimits.php',
         'Zotlabs\\Access\\PermissionRoles' => __DIR__ . '/../..' . '/Zotlabs/Access/PermissionRoles.php',