diff --git a/.distignore b/.distignore
index ca1afc4..cd0b6a1 100644
--- a/.distignore
+++ b/.distignore
@@ -1,13 +1,16 @@
 /.git
 /.github
 /assets
+/bin
 /node_modules
+/tests
 /vendor
 /.distignore
 /.drone.yml
 /.eslintrc.json
 /.gitattributes
 /.gitignore
+/.phpunit.result.cache
 /.stylelintrc.json
 /.travis.yml
 /composer.json
diff --git a/.drone.yml b/.drone.yml
index 0b8f5fa..54e6169 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,11 +6,11 @@ steps:
   - name: composer-install
     image: composer:2
     commands:
-      - composer install
+      - composer install --ignore-platform-reqs
   - name: lint-php
-    image: composer:2
+    image: php:7.4
     commands:
-      - composer lint-php
+      - ./vendor/bin/phpcs
     depends_on:
       - composer-install
   - name: node-install
@@ -26,3 +26,4 @@ steps:
       - npx stylelint styles/liveticker.css
     depends_on:
       - node-install
+
diff --git a/.gitattributes b/.gitattributes
index d6029e3..2991ca5 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,16 +1,20 @@
 /assets export-ignore
-.distignore export-ignore
-.drone.yml export-ignore
-.eslintrc.json export-ignore
-.gitattributes export-ignore
-.gitignore export-ignore
-.stylelintrc.json export-ignore
-.travis.yml export-ignore
-composer.json export-ignore
-composer.lock export-ignore
-CONTRIBUTING.md export-ignore
-package.json export-ignore
-package-lock.json export-ignore
-phpcs.xml export-ignore
-phpunit.xml export-ignore
-RoboFile.php export-ignore
+/.github            export-ignore
+/.distignore        export-ignore
+/.drone.yml         export-ignore
+/.eslintrc.json     export-ignore
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
+/.stylelintrc.json  export-ignore
+/.travis.yml        export-ignore
+/bin                export-ignore
+/composer.json      export-ignore
+/composer.lock      export-ignore
+/CONTRIBUTING.md    export-ignore
+/package.json       export-ignore
+/package-lock.json  export-ignore
+/phpcs.xml          export-ignore
+/phpunit.xml        export-ignore
+/RoboFile.php       export-ignore
+/tests              export-ignore
+
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index acc1782..e2f36d0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,32 @@
 name: CI
 on: push
 jobs:
+  integration:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - php: '7.4'
+            wordpress: '5.7'
+          - php: '5.6'
+            wordpress: '4.7'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          tools: composer
+      - name: Setup DB
+        run: sudo /etc/init.d/mysql start
+      - name: Setup WP
+        run: bash bin/install-wp-tests.sh wordpress root root localhost "${{ matrix.wordpress }}"
+      - name: Install
+        run: composer install
+      - name: Test
+        run: composer test
+
   quality:
     runs-on: ubuntu-latest
     steps:
@@ -9,7 +35,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '7.4'
           tools: composer
       - name: Setup Node
         uses: actions/setup-node@v2
@@ -24,6 +50,7 @@ jobs:
           composer lint-php
           composer lint-js
           composer lint-css
+
   analysis:
     runs-on: ubuntu-latest
     steps:
diff --git a/.gitignore b/.gitignore
index ab944a2..de834a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 /vendor/
 /node_modules/
 /dist/
-.idea
-.phpunit.result.cache
+/.phpunit.result.cache
 **/*.min.css
 **/*.min.js
diff --git a/bin/install-wp-tests.sh b/bin/install-wp-tests.sh
new file mode 100755
index 0000000..878881f
--- /dev/null
+++ b/bin/install-wp-tests.sh
@@ -0,0 +1,152 @@
+#!/usr/bin/env bash
+
+if [ $# -lt 3 ]; then
+	echo "usage: $0 <db-name> <db-user> <db-pass> [db-host] [wp-version] [skip-database-creation]"
+	exit 1
+fi
+
+DB_NAME=$1
+DB_USER=$2
+DB_PASS=$3
+DB_HOST=${4-localhost}
+WP_VERSION=${5-latest}
+SKIP_DB_CREATE=${6-false}
+
+TMPDIR=${TMPDIR-/tmp}
+TMPDIR=$(echo $TMPDIR | sed -e "s/\/$//")
+WP_TESTS_DIR=${WP_TESTS_DIR-$TMPDIR/wordpress-tests-lib}
+WP_CORE_DIR=${WP_CORE_DIR-$TMPDIR/wordpress/}
+
+download() {
+    if [ `which curl` ]; then
+        curl -s "$1" > "$2";
+    elif [ `which wget` ]; then
+        wget -nv -O "$2" "$1"
+    fi
+}
+
+if [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+$ ]]; then
+	WP_TESTS_TAG="branches/$WP_VERSION"
+elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
+	if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
+		# version x.x.0 means the first release of the major version, so strip off the .0 and download version x.x
+		WP_TESTS_TAG="tags/${WP_VERSION%??}"
+	else
+		WP_TESTS_TAG="tags/$WP_VERSION"
+	fi
+elif [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
+	WP_TESTS_TAG="trunk"
+else
+	# http serves a single offer, whereas https serves multiple. we only want one
+	download http://api.wordpress.org/core/version-check/1.7/ /tmp/wp-latest.json
+	grep '[0-9]+\.[0-9]+(\.[0-9]+)?' /tmp/wp-latest.json
+	LATEST_VERSION=$(grep -o '"version":"[^"]*' /tmp/wp-latest.json | sed 's/"version":"//')
+	if [[ -z "$LATEST_VERSION" ]]; then
+		echo "Latest WordPress version could not be found"
+		exit 1
+	fi
+	WP_TESTS_TAG="tags/$LATEST_VERSION"
+fi
+
+set -ex
+
+install_wp() {
+
+	if [ -d $WP_CORE_DIR ]; then
+		return;
+	fi
+
+	mkdir -p $WP_CORE_DIR
+
+	if [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
+		mkdir -p $TMPDIR/wordpress-nightly
+		download https://wordpress.org/nightly-builds/wordpress-latest.zip  $TMPDIR/wordpress-nightly/wordpress-nightly.zip
+		unzip -q $TMPDIR/wordpress-nightly/wordpress-nightly.zip -d $TMPDIR/wordpress-nightly/
+		mv $TMPDIR/wordpress-nightly/wordpress/* $WP_CORE_DIR
+	else
+		if [ $WP_VERSION == 'latest' ]; then
+			local ARCHIVE_NAME='latest'
+		elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+ ]]; then
+			# https serves multiple offers, whereas http serves single.
+			download https://api.wordpress.org/core/version-check/1.7/ $TMPDIR/wp-latest.json
+			if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
+				# version x.x.0 means the first release of the major version, so strip off the .0 and download version x.x
+				LATEST_VERSION=${WP_VERSION%??}
+			else
+				# otherwise, scan the releases and get the most up to date minor version of the major release
+				local VERSION_ESCAPED=`echo $WP_VERSION | sed 's/\./\\\\./g'`
+				LATEST_VERSION=$(grep -o '"version":"'$VERSION_ESCAPED'[^"]*' $TMPDIR/wp-latest.json | sed 's/"version":"//' | head -1)
+			fi
+			if [[ -z "$LATEST_VERSION" ]]; then
+				local ARCHIVE_NAME="wordpress-$WP_VERSION"
+			else
+				local ARCHIVE_NAME="wordpress-$LATEST_VERSION"
+			fi
+		else
+			local ARCHIVE_NAME="wordpress-$WP_VERSION"
+		fi
+		download https://wordpress.org/${ARCHIVE_NAME}.tar.gz  $TMPDIR/wordpress.tar.gz
+		tar --strip-components=1 -zxmf $TMPDIR/wordpress.tar.gz -C $WP_CORE_DIR
+	fi
+
+	download https://raw.github.com/markoheijnen/wp-mysqli/master/db.php $WP_CORE_DIR/wp-content/db.php
+}
+
+install_test_suite() {
+	# portable in-place argument for both GNU sed and Mac OSX sed
+	if [[ $(uname -s) == 'Darwin' ]]; then
+		local ioption='-i .bak'
+	else
+		local ioption='-i'
+	fi
+
+	# set up testing suite if it doesn't yet exist
+	if [ ! -d $WP_TESTS_DIR ]; then
+		# set up testing suite
+		mkdir -p $WP_TESTS_DIR
+		svn co --quiet https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/includes/ $WP_TESTS_DIR/includes
+		svn co --quiet https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/data/ $WP_TESTS_DIR/data
+	fi
+
+	if [ ! -f wp-tests-config.php ]; then
+		download https://develop.svn.wordpress.org/${WP_TESTS_TAG}/wp-tests-config-sample.php "$WP_TESTS_DIR"/wp-tests-config.php
+		# remove all forward slashes in the end
+		WP_CORE_DIR=$(echo $WP_CORE_DIR | sed "s:/\+$::")
+		sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR/':" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/yourusernamehere/$DB_USER/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/yourpasswordhere/$DB_PASS/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s|localhost|${DB_HOST}|" "$WP_TESTS_DIR"/wp-tests-config.php
+	fi
+
+}
+
+install_db() {
+
+	if [ ${SKIP_DB_CREATE} = "true" ]; then
+		return 0
+	fi
+
+	# parse DB_HOST for port or socket references
+	local PARTS=(${DB_HOST//\:/ })
+	local DB_HOSTNAME=${PARTS[0]};
+	local DB_SOCK_OR_PORT=${PARTS[1]};
+	local EXTRA=""
+
+	if ! [ -z $DB_HOSTNAME ] ; then
+		if [ $(echo $DB_SOCK_OR_PORT | grep -e '^[0-9]\{1,\}$') ]; then
+			EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
+		elif ! [ -z $DB_SOCK_OR_PORT ] ; then
+			EXTRA=" --socket=$DB_SOCK_OR_PORT"
+		elif ! [ -z $DB_HOSTNAME ] ; then
+			EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
+		fi
+	fi
+
+	# create database
+	mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
+}
+
+install_wp
+install_test_suite
+install_db
diff --git a/composer.json b/composer.json
index 7ab25b9..3e45e2a 100644
--- a/composer.json
+++ b/composer.json
@@ -23,8 +23,7 @@
   "require-dev": {
     "php": ">=7",
     "consolidation/robo": "^2",
-    "phpunit/phpunit": "^9",
-    "phpunit/php-code-coverage": "^9",
+    "phpunit/phpunit": "^7",
     "dealerdirect/phpcodesniffer-composer-installer": "^0.7",
     "slowprog/composer-copy-file": "~0.3",
     "squizlabs/php_codesniffer": "^3.5",
diff --git a/composer.lock b/composer.lock
index 5aa1110..2563ba0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "36ce958bf01b5f81a3222694f15f574f",
+    "content-hash": "f4e90c47c369e0602bd99f20fd253f2e",
     "packages": [
         {
             "name": "composer/installers",
@@ -1145,62 +1145,6 @@
             },
             "time": "2018-01-09T11:15:01+00:00"
         },
-        {
-            "name": "nikic/php-parser",
-            "version": "v4.10.5",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "4432ba399e47c66624bc73c8c0f811e5c109576f"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/4432ba399e47c66624bc73c8c0f811e5c109576f",
-                "reference": "4432ba399e47c66624bc73c8c0f811e5c109576f",
-                "shasum": ""
-            },
-            "require": {
-                "ext-tokenizer": "*",
-                "php": ">=7.0"
-            },
-            "require-dev": {
-                "ircmaxell/php-yacc": "^0.0.7",
-                "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0 || ^9.0"
-            },
-            "bin": [
-                "bin/php-parse"
-            ],
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "4.9-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "PhpParser\\": "lib/PhpParser"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Nikita Popov"
-                }
-            ],
-            "description": "A PHP parser written in PHP",
-            "keywords": [
-                "parser",
-                "php"
-            ],
-            "support": {
-                "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.10.5"
-            },
-            "time": "2021-05-03T19:11:20+00:00"
-        },
         {
             "name": "patchwork/jsqueeze",
             "version": "v2.0.5",
@@ -1255,29 +1199,28 @@
         },
         {
             "name": "phar-io/manifest",
-            "version": "2.0.1",
+            "version": "1.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phar-io/manifest.git",
-                "reference": "85265efd3af7ba3ca4b2a2c34dbfc5788dd29133"
+                "reference": "7761fcacf03b4d4f16e7ccb606d4879ca431fcf4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phar-io/manifest/zipball/85265efd3af7ba3ca4b2a2c34dbfc5788dd29133",
-                "reference": "85265efd3af7ba3ca4b2a2c34dbfc5788dd29133",
+                "url": "https://api.github.com/repos/phar-io/manifest/zipball/7761fcacf03b4d4f16e7ccb606d4879ca431fcf4",
+                "reference": "7761fcacf03b4d4f16e7ccb606d4879ca431fcf4",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
                 "ext-phar": "*",
-                "ext-xmlwriter": "*",
-                "phar-io/version": "^3.0.1",
-                "php": "^7.2 || ^8.0"
+                "phar-io/version": "^2.0",
+                "php": "^5.6 || ^7.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "1.0.x-dev"
                 }
             },
             "autoload": {
@@ -1311,24 +1254,24 @@
                 "issues": "https://github.com/phar-io/manifest/issues",
                 "source": "https://github.com/phar-io/manifest/tree/master"
             },
-            "time": "2020-06-27T14:33:11+00:00"
+            "time": "2018-07-08T19:23:20+00:00"
         },
         {
             "name": "phar-io/version",
-            "version": "3.1.0",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phar-io/version.git",
-                "reference": "bae7c545bef187884426f042434e561ab1ddb182"
+                "reference": "45a2ec53a73c70ce41d55cedef9063630abaf1b6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phar-io/version/zipball/bae7c545bef187884426f042434e561ab1ddb182",
-                "reference": "bae7c545bef187884426f042434e561ab1ddb182",
+                "url": "https://api.github.com/repos/phar-io/version/zipball/45a2ec53a73c70ce41d55cedef9063630abaf1b6",
+                "reference": "45a2ec53a73c70ce41d55cedef9063630abaf1b6",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2 || ^8.0"
+                "php": "^5.6 || ^7.0"
             },
             "type": "library",
             "autoload": {
@@ -1360,9 +1303,9 @@
             "description": "Library for handling version information and constraints",
             "support": {
                 "issues": "https://github.com/phar-io/version/issues",
-                "source": "https://github.com/phar-io/version/tree/3.1.0"
+                "source": "https://github.com/phar-io/version/tree/master"
             },
-            "time": "2021-02-23T14:00:09+00:00"
+            "time": "2018-07-08T19:19:57+00:00"
         },
         {
             "name": "phpcompatibility/php-compatibility",
@@ -1763,44 +1706,40 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.6",
+            "version": "6.1.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "f6293e1b30a2354e8428e004689671b83871edde"
+                "reference": "807e6013b00af69b6c5d9ceb4282d0393dbb9d8d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/f6293e1b30a2354e8428e004689671b83871edde",
-                "reference": "f6293e1b30a2354e8428e004689671b83871edde",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/807e6013b00af69b6c5d9ceb4282d0393dbb9d8d",
+                "reference": "807e6013b00af69b6c5d9ceb4282d0393dbb9d8d",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
-                "ext-libxml": "*",
                 "ext-xmlwriter": "*",
-                "nikic/php-parser": "^4.10.2",
-                "php": ">=7.3",
-                "phpunit/php-file-iterator": "^3.0.3",
-                "phpunit/php-text-template": "^2.0.2",
-                "sebastian/code-unit-reverse-lookup": "^2.0.2",
-                "sebastian/complexity": "^2.0",
-                "sebastian/environment": "^5.1.2",
-                "sebastian/lines-of-code": "^1.0.3",
-                "sebastian/version": "^3.0.1",
-                "theseer/tokenizer": "^1.2.0"
+                "php": "^7.1",
+                "phpunit/php-file-iterator": "^2.0",
+                "phpunit/php-text-template": "^1.2.1",
+                "phpunit/php-token-stream": "^3.0",
+                "sebastian/code-unit-reverse-lookup": "^1.0.1",
+                "sebastian/environment": "^3.1 || ^4.0",
+                "sebastian/version": "^2.0.1",
+                "theseer/tokenizer": "^1.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^9.3"
+                "phpunit/phpunit": "^7.0"
             },
             "suggest": {
-                "ext-pcov": "*",
-                "ext-xdebug": "*"
+                "ext-xdebug": "^2.6.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "9.2-dev"
+                    "dev-master": "6.1-dev"
                 }
             },
             "autoload": {
@@ -1828,40 +1767,34 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.6"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/master"
             },
-            "funding": [
-                {
-                    "url": "https://github.com/sebastianbergmann",
-                    "type": "github"
-                }
-            ],
-            "time": "2021-03-28T07:26:59+00:00"
+            "time": "2018-10-31T16:06:48+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "3.0.5",
+            "version": "2.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "aa4be8575f26070b100fccb67faabb28f21f66f8"
+                "reference": "4b49fb70f067272b659ef0174ff9ca40fdaa6357"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/aa4be8575f26070b100fccb67faabb28f21f66f8",
-                "reference": "aa4be8575f26070b100fccb67faabb28f21f66f8",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/4b49fb70f067272b659ef0174ff9ca40fdaa6357",
+                "reference": "4b49fb70f067272b659ef0174ff9ca40fdaa6357",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.3"
+                "php": ">=7.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^9.3"
+                "phpunit/phpunit": "^8.5"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -1888,7 +1821,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-file-iterator/issues",
-                "source": "https://github.com/sebastianbergmann/php-file-iterator/tree/3.0.5"
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-                    "url": "https://github.com/sebastianbergmann",
-                    "type": "github"
-                }
-            ],
-            "time": "2020-10-26T13:18:59+00:00"
+            "time": "2020-11-30T07:30:19+00:00"
         },
         {
             "name": "sebastian/version",
-            "version": "3.0.2",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/version.git",
-                "reference": "c6c1022351a901512170118436c764e473f6de8c"
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/c6c1022351a901512170118436c764e473f6de8c",
-                "reference": "c6c1022351a901512170118436c764e473f6de8c",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/99732be0ddb3361e16ad77b68ba41efc8e979019",
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.3"
+                "php": ">=5.6"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -3284,15 +2891,9 @@
             "homepage": "https://github.com/sebastianbergmann/version",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/version/issues",
-                "source": "https://github.com/sebastianbergmann/version/tree/3.0.2"
+                "source": "https://github.com/sebastianbergmann/version/tree/master"
             },
-            "funding": [
-                {
-                    "url": "https://github.com/sebastianbergmann",
-                    "type": "github"
-                }
-            ],
-            "time": "2020-09-28T06:39:44+00:00"
+            "time": "2016-10-03T07:35:21+00:00"
         },
         {
             "name": "slowprog/composer-copy-file",
@@ -3788,16 +3389,16 @@
         },
         {
             "name": "symfony/finder",
-            "version": "v5.2.8",
+            "version": "v5.2.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "eccb8be70d7a6a2230d05f6ecede40f3fdd9e252"
+                "reference": "ccccb9d48ca42757dd12f2ca4bf857a4e217d90d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/eccb8be70d7a6a2230d05f6ecede40f3fdd9e252",
-                "reference": "eccb8be70d7a6a2230d05f6ecede40f3fdd9e252",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/ccccb9d48ca42757dd12f2ca4bf857a4e217d90d",
+                "reference": "ccccb9d48ca42757dd12f2ca4bf857a4e217d90d",
                 "shasum": ""
             },
             "require": {
@@ -3829,7 +3430,7 @@
             "description": "Finds files and directories via an intuitive fluent interface",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/finder/tree/v5.2.8"
+                "source": "https://github.com/symfony/finder/tree/v5.2.9"
             },
             "funding": [
                 {
@@ -3845,7 +3446,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-05-10T14:39:23+00:00"
+            "time": "2021-05-16T13:07:46+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -4559,16 +4160,16 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v5.2.7",
+            "version": "v5.2.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "76546cbeddd0a9540b4e4e57eddeec3e9bb444a5"
+                "reference": "d23115e4a3d50520abddccdbec9514baab1084c8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/76546cbeddd0a9540b4e4e57eddeec3e9bb444a5",
-                "reference": "76546cbeddd0a9540b4e4e57eddeec3e9bb444a5",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/d23115e4a3d50520abddccdbec9514baab1084c8",
+                "reference": "d23115e4a3d50520abddccdbec9514baab1084c8",
                 "shasum": ""
             },
             "require": {
@@ -4614,7 +4215,7 @@
             "description": "Loads and dumps YAML files",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/yaml/tree/v5.2.7"
+                "source": "https://github.com/symfony/yaml/tree/v5.2.9"
             },
             "funding": [
                 {
@@ -4630,7 +4231,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-04-29T20:47:09+00:00"
+            "time": "2021-05-16T13:07:46+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/includes/class-api.php b/includes/class-api.php
index 2134954..f47cd3c 100644
--- a/includes/class-api.php
+++ b/includes/class-api.php
@@ -67,7 +67,7 @@ class Api {
 		if ( ! empty( $limit ) && $limit > 0 ) {
 			$args['posts_per_page'] = $limit;
 		} else {
-			$args['paged'] = false;
+			$args['nopaging'] = true;
 		}
 
 		if ( $last_poll > 0 ) {
diff --git a/phpunit.xml b/phpunit.xml
index 86373be..c617484 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,8 +1,19 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<phpunit bootstrap="./vendor/autoload.php">
+<phpunit bootstrap="tests/bootstrap.php"
+		 backupGlobals="false"
+		 colors="true"
+		 convertErrorsToExceptions="true"
+		 convertNoticesToExceptions="true"
+		 convertWarningsToExceptions="true">
 	<testsuites>
 		<testsuite name="WP Liveticker 2 TestSuite">
-			<directory suffix="-test.php">./test/</directory>
+			<directory prefix="test-" suffix=".php">./tests/</directory>
 		</testsuite>
 	</testsuites>
+
+	<filter>
+		<whitelist processUncoveredFilesFromWhitelist="true">
+			<directory suffix=".php">includes</directory>
+		</whitelist>
+	</filter>
 </phpunit>
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..01e3631
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * PHPUnit bootstrap file
+ *
+ * @package SCLiveticker
+ */
+
+$_tests_dir = getenv( 'WP_TESTS_DIR' );
+
+if ( ! $_tests_dir ) {
+	$_tests_dir = rtrim( sys_get_temp_dir(), '/\\' ) . '/wordpress-tests-lib';
+}
+
+if ( ! file_exists( $_tests_dir . '/includes/functions.php' ) ) {
+	echo "Could not find $_tests_dir/includes/functions.php, have you run bin/install-wp-tests.sh ?";
+	exit( 1 );
+}
+
+// Give access to tests_add_filter() function.
+require_once $_tests_dir . '/includes/functions.php';
+
+/**
+ * Manually load the plugin being tested.
+ */
+function _manually_load_plugin() {
+	require dirname( dirname( __FILE__ ) ) . '/stklcode-liveticker.php';
+}
+tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
+
+// Start up the WP testing environment.
+require $_tests_dir . '/includes/bootstrap.php';
diff --git a/tests/test-api.php b/tests/test-api.php
new file mode 100644
index 0000000..4d0173e
--- /dev/null
+++ b/tests/test-api.php
@@ -0,0 +1,141 @@
+<?php
+/**
+ * Liveticker: Plugin API tests.
+ *
+ * This file contains unit tests for the plugin's REST API extensions.
+ *
+ * @package SCLiveticker
+ */
+
+namespace SCLiveticker;
+
+use DateInterval;
+use DateTime;
+use WP_REST_Request;
+use WP_REST_Server;
+use WP_UnitTestCase;
+
+/**
+ * Class Test_API.
+ */
+class Test_API extends WP_UnitTestCase {
+	/**
+	 * Initialize WP REST API for tests.
+	 *
+	 * @return void
+	 */
+	public function setUp() {
+		parent::setUp();
+		global $wp_rest_server;
+		$wp_rest_server = new WP_REST_Server();
+		do_action( 'rest_api_init' );
+	}
+
+	/**
+	 * Test presence of registered routes for ticks and tickers.
+	 *
+	 * @return void
+	 */
+	public function test_register_route() {
+		global $wp_rest_server;
+
+		$routes = $wp_rest_server->get_routes();
+
+		self::assertArrayHasKey( '/wp/v2/scliveticker_tick', $routes, 'Ticks not exposed in API' );
+		self::assertArrayHasKey( '/wp/v2/scliveticker_tick/(?P<id>[\d]+)', $routes, 'Specific ticks not exposed in API' );
+		self::assertArrayHasKey( '/wp/v2/scliveticker_ticker', $routes, 'Tickers not exposed in API' );
+		self::assertArrayHasKey( '/wp/v2/scliveticker_ticker/(?P<id>[\d]+)', $routes, 'Specific tickers not exposed in API' );
+	}
+
+	/**
+	 * Test fetching ticks and tickers via the REST API.
+	 *
+	 * @return void
+	 */
+	public function test_get_ticks() {
+		global $wp_rest_server;
+
+		$request  = new WP_REST_Request( 'GET', '/wp/v2/scliveticker_tick' );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code' );
+		self::assertEmpty( $response->get_data(), 'No data expected on empty database' );
+
+		// Create two tickers with 10 ticks each.
+		wp_set_current_user( 1 );
+		$ticker_id = array(
+			1 => self::factory()->term->create(
+				array(
+					'name'        => 'Ticker 1',
+					'description' => 'Test Liveticker 1',
+					'slug'        => 'ticker1',
+					'taxonomy'    => 'scliveticker_ticker',
+				)
+			),
+			2 >= self::factory()->term->create(
+				array(
+					'name'        => 'Ticker 2',
+					'description' => 'Test Liveticker 2',
+					'slug'        => 'ticker2',
+					'taxonomy'    => 'scliveticker_ticker',
+				)
+			),
+		);
+
+		$dt = new DateTime( '2021-05-22 16:17:18' );
+		foreach ( range( 1, 20 ) as $n ) {
+			$t = 0 === $n % 2 ? '1' : '2';
+			$i = ceil( $n / 2 );
+			$p = self::factory()->post->create(
+				array(
+					'post_type'     => 'scliveticker_tick',
+					'post_date_gmt' => $dt->format( 'Y-m-d H_i_s' ),
+					'post_title'    => 'Tick ' . $t . '.' . $i,
+					'post_status'   => 'publish',
+					'post_content'  => 'Content of Tick ' . $t . '.' . $i,
+				)
+			);
+			wp_set_object_terms( $p, $ticker_id[ $t ], 'scliveticker_ticker' );
+			$dt->add( new DateInterval( 'PT1M' ) );
+		}
+		wp_set_current_user( 0 );
+
+		// Verify ticker presence via API.
+		$response = $wp_rest_server->dispatch( new WP_REST_Request( 'GET', '/wp/v2/scliveticker_ticker' ) );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code' );
+		self::assertEquals( 2, count( $response->get_data() ), 'Unexpected number of tickers' );
+
+		// Query all entries.
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code' );
+		self::assertEquals( 20, count( $response->get_data() ), 'Unexpected number of ticks without filter' );
+
+		// Limit number of entries.
+		$request->set_param( 'limit', 12 );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code with limit' );
+		self::assertEquals( 12, count( $response->get_data() ), 'Unexpected number of ticks with limit' );
+
+		// Filter by time.
+		$request->set_param( 'limit', null );
+		$request->set_param( 'last', $response->get_data()[5]['date_gmt'] );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code with time filter' );
+		self::assertEquals( 5, count( $response->get_data() ), 'Unexpected number of ticks with time filter' );
+
+		// Filter by ticker.
+		$request->set_param( 'last', null );
+		$request->set_param( 'ticker', 'ticker1' );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code with ticker filter' );
+		self::assertEquals( 10, count( $response->get_data() ), 'Unexpected number of ticks with ticker filter' );
+		self::assertEmpty(
+			array_filter(
+				$response->get_data(),
+				function ( $t ) use ( $ticker_id ) {
+					return 1 !== count( $t['scliveticker_ticker'] ) || ! in_array( $ticker_id[1], $t['scliveticker_ticker'], true );
+				}
+			),
+			'No tick from ticker 2 should be present filtering for ticker1'
+		);
+	}
+}