start unit test implementation

.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

.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
+

.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
+

.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:

.gitignore

@@ -1,7 +1,6 @@
 /vendor/
 /node_modules/
 /dist/
-.idea
-.phpunit.result.cache
+/.phpunit.result.cache
 **/*.min.css
 **/*.min.js

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

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",

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 ) {

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>

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';

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'
+		);
+	}
+}