diff --git a/module/VuFind/src/VuFind/Log/Writer/Post.php b/module/VuFind/src/VuFind/Log/Writer/Post.php
index e9733208189d22f34549cfe3edd81fd12ae89757..ba4d563ca1080e5a503cb8242b5288929cfe3b42 100644
--- a/module/VuFind/src/VuFind/Log/Writer/Post.php
+++ b/module/VuFind/src/VuFind/Log/Writer/Post.php
@@ -96,7 +96,9 @@ class Post extends \Laminas\Log\Writer\AbstractWriter
*/
protected function getBody($event)
{
- return ['message' => $this->formatter->format($event) . PHP_EOL];
+ return json_encode(
+ ['message' => $this->formatter->format($event) . PHP_EOL]
+ );
}
/**
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php
index 05cea73db21b10a23ab61b020dca19542e191da9..6b8b4bc369d5c2e66afbcf101451ae617d685efb 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/LoggerTest.php
@@ -30,7 +30,7 @@ namespace VuFindTest\Log;
use VuFind\Log\Logger;
/**
- * Sitemap Test Class
+ * Logger Test Class
*
* @category VuFind
* @package Tests
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Log/Writer/PostTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/Writer/PostTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..3aa83a28cb867624453400a90c0370311abb29bc
--- /dev/null
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/Writer/PostTest.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * POST Log Writer Test Class
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2020.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category VuFind
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+namespace VuFindTest\Log\Writer;
+
+use Laminas\Http\Client;
+use Laminas\Log\Formatter\Simple;
+use VuFind\Log\Writer\Post;
+
+/**
+ * POST Log Writer Test Class
+ *
+ * @category VuFind
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+class PostTest extends \VuFindTest\Unit\TestCase
+{
+ /**
+ * Test writer functionality
+ */
+ public function testWriter()
+ {
+ // Set up data and expectations:
+ $fakeUri = 'http://fake';
+ $expectedBody = json_encode(
+ ['message' => 'Formatted message.' . PHP_EOL]
+ );
+ $message = ['message' => 'test', 'priority' => 1];
+
+ // Set up mock client:
+ $client = $this->getMockBuilder(Client::class)
+ ->disableOriginalConstructor()->getMock();
+ $client->expects($this->once())->method('setUri')
+ ->with($this->equalTo($fakeUri));
+ $client->expects($this->once())->method('setMethod')
+ ->with($this->equalTo('POST'));
+ $client->expects($this->once())->method('setEncType')
+ ->with($this->equalTo('application/json'));
+ $client->expects($this->once())->method('setRawBody')
+ ->with($this->equalTo($expectedBody));
+ $client->expects($this->once())->method('send');
+
+ // Set up mock formatter:
+ $formatter = $this->getMockBuilder(Simple::class)
+ ->disableOriginalConstructor()->getMock();
+ $formatter->expects($this->once())->method('format')
+ ->with($this->equalTo($message))
+ ->will($this->returnValue('Formatted message.'));
+
+ // Run the test!
+ $writer = new Post($fakeUri, $client);
+ $writer->setContentType('application/json');
+ $writer->setFormatter($formatter);
+ $writer->write($message);
+ }
+}
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Log/Writer/SlackTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/Writer/SlackTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..75abe8ad0e19cfc51bc29f2022e9cd60763b7673
--- /dev/null
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Log/Writer/SlackTest.php
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Slack Log Writer Test Class
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2020.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category VuFind
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+namespace VuFindTest\Log\Writer;
+
+use Laminas\Http\Client;
+use Laminas\Log\Formatter\Simple;
+use VuFind\Log\Writer\Slack;
+
+/**
+ * Slack Log Writer Test Class
+ *
+ * @category VuFind
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+class SlackTest extends \VuFindTest\Unit\TestCase
+{
+ /**
+ * Test writer functionality
+ */
+ public function testWriter()
+ {
+ // Set up data and expectations:
+ $fakeUri = 'http://fake';
+ $expectedBody = json_encode(
+ [
+ "channel" => "#test",
+ "username" => "TestName",
+ "text" => ":rotating_light: Formatted message." . PHP_EOL,
+ ]
+ );
+ $message = ['message' => 'test', 'priority' => 1];
+ $options = ['name' => 'TestName', 'channel' => '#test'];
+
+ // Set up mock client:
+ $client = $this->getMockBuilder(Client::class)
+ ->disableOriginalConstructor()->getMock();
+ $client->expects($this->once())->method('setUri')
+ ->with($this->equalTo($fakeUri));
+ $client->expects($this->once())->method('setMethod')
+ ->with($this->equalTo('POST'));
+ $client->expects($this->once())->method('setEncType')
+ ->with($this->equalTo('application/json'));
+ $client->expects($this->once())->method('setRawBody')
+ ->with($this->equalTo($expectedBody));
+ $client->expects($this->once())->method('send');
+
+ // Set up mock formatter:
+ $formatter = $this->getMockBuilder(Simple::class)
+ ->disableOriginalConstructor()->getMock();
+ $formatter->expects($this->once())->method('format')
+ ->with($this->equalTo($message))
+ ->will($this->returnValue('Formatted message.'));
+
+ // Run the test!
+ $writer = new Slack($fakeUri, $client, $options);
+ $writer->setContentType('application/json');
+ $writer->setFormatter($formatter);
+ $writer->write($message);
+ }
+}