diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index c30f2d23..de245800 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -40,3 +40,42 @@ jobs:
       - name: PHP CodeSniffer
         if: success() || matrix.allow_failure
         run: phpcs -wps --colors
+
+  test:
+    name: Unit tests with php ${{ matrix.php }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+
+    env:
+      phpunit-version: 8.5
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
+        os: ['ubuntu-latest']
+
+    steps:
+      - name: Checkout code base
+        uses: actions/checkout@v3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          tools: phpunit:${{ matrix.phpunit-version || env.phpunit-version }}
+
+      - name: Setup Icinga Web
+        run: |
+          git clone --depth 1 https://github.com/Icinga/icingaweb2.git _icingaweb2
+          ln -s `pwd` _icingaweb2/modules/icingadb
+
+      - name: Setup Libraries
+        run: |
+          mkdir _libraries
+          git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-library.git _libraries/ipl
+          git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-thirdparty.git _libraries/vendor
+
+      - name: PHPUnit
+        env:
+          ICINGAWEB_LIBDIR: _libraries
+        run: phpunit --verbose --bootstrap _icingaweb2/test/php/bootstrap.php
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 00000000..58f58f24
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+    >
+    <testsuites>
+        <testsuite name="Icinga DB Web PHP Unit Tests">
+            <directory suffix="Test.php">test/php</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>
diff --git a/test/php/library/Icingadb/Common/MacrosTest.php b/test/php/library/Icingadb/Common/MacrosTest.php
index dd01a01f..83dbe9cc 100644
--- a/test/php/library/Icingadb/Common/MacrosTest.php
+++ b/test/php/library/Icingadb/Common/MacrosTest.php
@@ -26,80 +26,92 @@ class MacrosTest extends TestCase
 
     public function testHostMacros()
     {
-        $mock = \Mockery::mock(Host::class);
-        $mock->name = 'test';
-        $mock->address = '1.1.1.1';
-        $mock->address6 = '::1';
-        $mock->vars = self::VARS;
+        $host = new Host();
+        $host->name = 'test';
+        $host->address = '1.1.1.1';
+        $host->address6 = '::1';
+        $host->vars = self::VARS;
 
-        $mock->hostgroup = new Query();
+        $host->hostgroup = new Query();
 
-        $this->assertEquals($mock->name, $this->expandMacros('$host.name$', $mock));
-        $this->assertEquals($mock->name, $this->expandMacros('$name$', $mock));
-        $this->assertEquals($mock->address, $this->expandMacros('$host.address$', $mock));
-        $this->assertEquals($mock->address6, $this->expandMacros('$host.address6$', $mock));
+        $this->assertEquals($host->name, $this->expandMacros('$host.name$', $host));
+        $this->assertEquals($host->name, $this->expandMacros('$name$', $host));
+        $this->assertEquals($host->address, $this->expandMacros('$host.address$', $host));
+        $this->assertEquals($host->address6, $this->expandMacros('$host.address6$', $host));
 
         // A Host can have more than one hostgroups
-        $this->assertEquals('$host.hostgroup$', $this->expandMacros('$host.hostgroup$', $mock));
-        $this->assertEquals('$host.hostgroup.name$', $this->expandMacros('$host.hostgroup.name$', $mock));
+        $this->assertEquals('$host.hostgroup$', $this->expandMacros('$host.hostgroup$', $host));
+        $this->assertEquals('$host.hostgroup.name$', $this->expandMacros('$host.hostgroup.name$', $host));
 
         // Host custom vars
-        $this->assertEquals($mock->vars['os'], $this->expandMacros('$host.vars.os$', $mock));
-        $this->assertEquals($mock->vars['os'], $this->expandMacros('$vars.os$', $mock));
-        $this->assertEquals($mock->vars['days[2]'], $this->expandMacros('$vars.days[2]$', $mock));
-        $this->assertEquals($mock->vars['days[4]'], $this->expandMacros('$host.vars.days[4]$', $mock));
+        $this->assertEquals($host->vars['os'], $this->expandMacros('$host.vars.os$', $host));
+        $this->assertEquals($host->vars['os'], $this->expandMacros('$vars.os$', $host));
+        $this->assertEquals($host->vars['days[2]'], $this->expandMacros('$vars.days[2]$', $host));
+        $this->assertEquals($host->vars['days[4]'], $this->expandMacros('$host.vars.days[4]$', $host));
 
         // Host to service relation
-        $this->assertEquals('$service.name$', $this->expandMacros('$service.name$', $mock));
-        $this->assertEquals('$service.address$', $this->expandMacros('$service.address$', $mock));
+        $this->assertEquals('$service.name$', $this->expandMacros('$service.name$', $host));
+        $this->assertEquals('$service.address$', $this->expandMacros('$service.address$', $host));
 
         // Service custom vars
-        $this->assertEquals('$service.vars.os$', $this->expandMacros('$service.vars.os$', $mock));
-        $this->assertEquals('$service.vars.days[0]$', $this->expandMacros('$service.vars.days[0]$', $mock));
-        $this->assertEquals('$service.vars.days[2]$', $this->expandMacros('$service.vars.days[2]$', $mock));
+        $this->assertEquals('$service.vars.os$', $this->expandMacros('$service.vars.os$', $host));
+        $this->assertEquals('$service.vars.days[0]$', $this->expandMacros('$service.vars.days[0]$', $host));
+        $this->assertEquals('$service.vars.days[2]$', $this->expandMacros('$service.vars.days[2]$', $host));
     }
 
     public function testServiceMacros()
     {
-        $mock = \Mockery::mock(Service::class);
-        $mock->name = 'test-service';
-        $mock->description = 'A test service';
-        $mock->vars = self::VARS;
+        $service = new Service();
+        $service->name = 'test-service';
+        $service->description = 'A test service';
+        $service->vars = self::VARS;
 
-        $mock->servicegroup = new Query();
+        $service->servicegroup = new Query();
 
-        $hostMock = \Mockery::mock(Host::class);
-        $hostMock->name = 'test';
-        $hostMock->address = '1.1.1.1';
-        $hostMock->hostgroup = new ResultSet(new \ArrayIterator());
-        $hostMock->vars = self::VARS;
+        $host = new Host();
+        $host->name = 'test';
+        $host->address = '1.1.1.1';
+        $host->hostgroup = new ResultSet(new \ArrayIterator());
+        $host->vars = self::VARS;
 
-        $mock->host = $hostMock;
+        $service->host = $host;
 
-        $this->assertEquals($mock->name, $this->expandMacros('$service.name$', $mock));
-        $this->assertEquals($mock->name, $this->expandMacros('$name$', $mock));
-        $this->assertEquals($mock->description, $this->expandMacros('$service.description$', $mock));
+        $this->assertEquals($service->name, $this->expandMacros('$service.name$', $service));
+        $this->assertEquals($service->name, $this->expandMacros('$name$', $service));
+        $this->assertEquals($service->description, $this->expandMacros('$service.description$', $service));
 
         // A Service can have more than one hostgroups
-        $this->assertEquals('$service.servicegroup$', $this->expandMacros('$service.servicegroup$', $mock));
-        $this->assertEquals('$service.servicegroup.name$', $this->expandMacros('$service.servicegroup.name$', $mock));
+        $this->assertEquals(
+            '$service.servicegroup$',
+            $this->expandMacros('$service.servicegroup$', $service)
+        );
+        $this->assertEquals(
+            '$service.servicegroup.name$',
+            $this->expandMacros('$service.servicegroup.name$', $service)
+        );
 
         // Service custom vars
-        $this->assertEquals($mock->vars['os'], $this->expandMacros('$service.vars.os$', $mock));
-        $this->assertEquals($mock->vars['os'], $this->expandMacros('$vars.os$', $mock));
-        $this->assertEquals($mock->vars['days[2]'], $this->expandMacros('$vars.days[2]$', $mock));
-        $this->assertEquals($mock->vars['days[4]'], $this->expandMacros('$service.vars.days[4]$', $mock));
+        $this->assertEquals($service->vars['os'], $this->expandMacros('$service.vars.os$', $service));
+        $this->assertEquals($service->vars['os'], $this->expandMacros('$vars.os$', $service));
+        $this->assertEquals($service->vars['days[2]'], $this->expandMacros('$vars.days[2]$', $service));
+        $this->assertEquals($service->vars['days[4]'], $this->expandMacros('$service.vars.days[4]$', $service));
 
-        $this->assertEquals($hostMock->name, $this->expandMacros('$host.name$', $mock));
-        $this->assertEquals($hostMock->address, $this->expandMacros('$host.address$', $mock));
+        $this->assertEquals($host->name, $this->expandMacros('$host.name$', $service));
+        $this->assertEquals($host->address, $this->expandMacros('$host.address$', $service));
 
         // Host custom vars
-        $this->assertEquals($hostMock->vars['os'], $this->expandMacros('$host.vars.os$', $mock));
-        $this->assertEquals($hostMock->vars['days[0]'], $this->expandMacros('$host.vars.days[0]$', $mock));
-        $this->assertEquals($hostMock->vars['days[3]'], $this->expandMacros('$host.vars.days[3]$', $mock));
+        $this->assertEquals($host->vars['os'], $this->expandMacros('$host.vars.os$', $service));
+        $this->assertEquals($host->vars['days[0]'], $this->expandMacros('$host.vars.days[0]$', $service));
+        $this->assertEquals($host->vars['days[3]'], $this->expandMacros('$host.vars.days[3]$', $service));
 
         // A Host can have more than one hostgroups
-        $this->assertEquals('$host.hostgroup$', $this->expandMacros('$host.hostgroup$', $mock));
-        $this->assertEquals('$host.hostgroup.name$', $this->expandMacros('$host.hostgroup.name$', $mock));
+        $this->assertEquals(
+            '$host.hostgroup$',
+            $this->expandMacros('$host.hostgroup$', $service)
+        );
+        $this->assertEquals(
+            '$host.hostgroup.name$',
+            $this->expandMacros('$host.hostgroup.name$', $service)
+        );
     }
 }