add unit testing

tests/bootstrap.php

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+<?php
+
+$_tests_dir = getenv('WP_TESTS_DIR');
+if ( !$_tests_dir ) $_tests_dir = '/tmp/wordpress-tests-lib';
+
+require_once $_tests_dir . '/includes/functions.php';
+
+function _manually_load_plugin() {
+	require dirname( __FILE__ ) . '/../freifunkmeta.php';
+}
+tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
+
+require $_tests_dir . '/includes/bootstrap.php';
+

tests/example_ffffm.json

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+{
+  "name": "Freifunk Frankfurt am Main - ffffm",
+  "url": "http://www.wifi-frankfurt.de/",
+  "state": {
+    "nodes": 4,
+    "lastchange": 0,
+    "message": "open for public"
+  },
+  "location": {
+    "city": "Frankfurt am Main",
+    "lat": 50.110556,
+    "lon": 8.682222
+  },
+  "contact": {
+    "email": "info@wifi-frankfurt.de",
+    "irc": "#freifunk on freenode",
+    "ml": "user@wifi-frankfurt.de",
+    "twitter": "https://twitter.com/FreiFunkFFM"
+  },
+  "techDetails": {
+    "stoererhaftung": "VPN",
+    "firmware": {
+      "url": "http://wiki.freifunk.net/Firmware_Flashen"
+    },
+    "networks": {
+      "ipv4": [
+        {
+          "netmask": 16,
+          "network": "10.126.0.0"
+        }
+      ]
+    },
+    "routing": "BATMAN",
+    "splashpage": "none"
+  },
+  "state": {
+    "lastchange": 1391267102
+  },
+  "api": "0.1"
+}
+

tests/example_ffhh.json

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+{
+  "name": "Freifunk Hamburg",
+  "api": "0.3.0",
+  "url": "https://hamburg.freifunk.net",
+  "techDetails": {
+    "updatemode": "autoupdater",
+    "bootstrap": "http://formular.hamburg.freifunk.net",
+    "splashpage": "none",
+    "firmware": {
+      "url": "https://hamburg.freifunk.net/anleitung",
+      "name": "gluon"
+    },
+    "routing": "batman-adv",
+    "tld": {
+      "nameserver": [
+        "10.112.1.1",
+        "10.112.14.1"
+      ],
+      "domainname": "ffhh"
+    },
+    "vpn": "fastd",
+    "stoererhaftung": "VPN in die Niederlande",
+    "networks": {
+      "ipv4": [
+        {
+          "network": "10.112.0.0/18"
+        }
+      ],
+      "ipv6": [
+        {
+          "network": "fd51:2bb2:fd0d::/48"
+        }
+      ]
+    }
+  },
+  "state": {
+    "nodes": 429,
+    "lastchange": "2014-04-27T12:50:01.842182",
+    "message": "open for public"
+  },
+  "contact": {
+    "ml": "freifunk@hamburg.ccc.de",
+    "twitter": "@FreifunkHH",
+    "irc": "irc://irc.hackint.net/ffhh",
+    "facebook": "https://www.facebook.com/FreifunkHamburg",
+    "email": "kontakt@hamburg.freifunk.net"
+  },
+  "location": {
+    "lat": 53.574267,
+    "city": "Hamburg",
+    "lon": 10.024418,
+    "address": {
+      "Street": "Humboldtstr. 53",
+      "Name": "Chaos Computer Club Hansestadt Hamburg",
+      "Zipcode": "22083"
+    }
+  },
+  "services": [
+    {
+      "internalUri": "xmpp://jabber.ffhh",
+      "serviceName": "jabber",
+      "serviceDescription": "Chat"
+    },
+    {
+      "internalUri": "nntp://news.services.ffhh",
+      "serviceName": "news",
+      "serviceDescription": "Newsserver"
+    },
+    {
+      "internalUri": "http://radio.ffhh",
+      "serviceName": "radio",
+      "serviceDescription": "CC Musik und freisprech podcast"
+    }
+  ],
+  "nodeMaps": [
+    {
+      "url": "http://knotenkarte.de",
+      "interval": "1 min",
+      "technicalType": "ffmap",
+      "mapType": "geographical"
+    },
+    {
+      "url": "http://knotengraph.de",
+      "interval": "1 min",
+      "technicalType": "ffmap",
+      "mapType": "structural"
+    },
+    {
+      "url": "http://graph.hamburg.freifunk.net/list.html",
+      "interval": "1 min",
+      "technicalType": "ffmap",
+      "mapType": "list/status"
+    }
+  ],
+  "feeds": [
+    {
+      "category": "blog",
+      "url": "https://hamburg.freifunk.net/?feed=rss2",
+      "type": "rss"
+    },
+    {
+      "category": "others",
+      "url": "https://hamburg.freifunk.net/feed/freisprech-mp3/?feed=rss2",
+      "type": "rss"
+    }
+  ]
+}

tests/test-nonwp.php

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+<?php
+
+# low level test of PHP functions & methods w/o WP integration
+class LowLevelTest extends PHPUnit_Framework_TestCase {
+    function setUp() {
+        $this->FFM = new FF_Meta();
+    }
+
+    function test_output_ff_state() {
+        $ret = $this->FFM->output_ff_state(array("state" => array("nodes" => 429)));
+        $this->assertRegExp('/429/', $ret);
+    }
+
+    function test_basic_json_parsing() {
+        $json = file_get_contents(__DIR__.'/example_ffhh.json');
+        $data = json_decode($json, $assoc = true);
+        
+        $this->assertArrayHasKey('name',     $data);
+        $this->assertArrayHasKey('state',    $data);
+        $this->assertArrayHasKey('location', $data);
+        $this->assertArrayHasKey('services', $data);
+    }
+    
+    function test_externaldata() {
+        $json     = file_get_contents(__DIR__.'/example_ffhh.json');
+        $stubdata = json_decode($json, $assoc = true);
+        
+        $stub = $this->getMockBuilder('ff_meta_externaldata')
+                     ->disableOriginalConstructor()
+                     ->getMock();
+        $stub->expects($this->any())
+                     ->method('get')
+                     ->will($this->returnValue($stubdata));
+        
+        $data = $stub->get('http://meta.hamburg.freifunk.net/ffhh.json');
+        
+        $this->assertArrayHasKey('name',     $data);
+        $this->assertArrayHasKey('state',    $data);
+        $this->assertArrayHasKey('location', $data);
+        $this->assertArrayHasKey('services', $data);
+    }
+    
+}

tests/test-wpsample.php

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+<?php
+    
+# all tests with WP integration
+class SampleTest extends WP_UnitTestCase {
+    function test_sample() {
+        $this->assertTrue(true);
+    }
+}