diff --git a/tests/RefodevClientClassTest.php b/tests/DevqalyClientClassTest.php
similarity index 100%
rename from tests/RefodevClientClassTest.php
rename to tests/DevqalyClientClassTest.php
diff --git a/tests/src/Events/BaseEventClassTest.php b/tests/src/Events/BaseEventClassTest.php
new file mode 100644
index 0000000..cbf5d0b
--- /dev/null
+++ b/tests/src/Events/BaseEventClassTest.php
@@ -0,0 +1,91 @@
+<?php
+
+use Devqaly\DevqalyClient\Events\BaseEvent;
+
+it('should return the correct endpoint when calling `getCreateEventEndpoint` method', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+
+    $client = new BaseEvent($backendUrl, $sourceIdentifier);
+
+    $sessionId = 'b79cb3ba-745e-5d9a-8903-4a02327a7e09';
+
+    $createEndpoint = $client->getCreateEventEndpoint($sessionId);
+
+    expect($createEndpoint)->toBe(sprintf('%s/sessions/%s/events', $backendUrl, $sessionId));
+});
+
+it('should return correct payload when calling `generatePayload` method', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+
+    $client = new BaseEvent($backendUrl, $sourceIdentifier);
+
+    $clickEventPayload = ['positionX' => 500, 'positionY' => 500];
+    $eventType = 'click-event';
+
+    $payload = $client->generatePayload($clickEventPayload, $eventType);
+
+    expect($payload)
+        ->toBeArray()
+        ->and($payload)
+        ->toMatchArray([
+            ...$clickEventPayload,
+            'type' => $eventType,
+            'source' => $sourceIdentifier,
+        ])
+        ->and(DateTime::createFromFormat('Y-m-d\TH:i:s.u\Z', $payload['clientUtcEventCreatedAt']) !== false)
+        ->toBeTrue();
+});
+
+it('should allow to validate the session id when calling `validateSessionId` method', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+
+    $client = new BaseEvent($backendUrl, $sourceIdentifier);
+
+    $sessionId = 'c7622e14-21f8-40c2-b151-3a311816b423';
+
+    $client->validateSessionId($sessionId);
+
+    // I have added this here just to assert something.
+    // As far as I researched, pest doesn't have something like PHP Unit's @doesNotPerformAssertions
+    expect(1)->toBe(1);
+});
+
+it('should throw error exception when calling `validateSessionId` method with invalid session id', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+
+    $client = new BaseEvent($backendUrl, $sourceIdentifier);
+
+    $sessionId = '';
+
+    $client->validateSessionId($sessionId);
+})->throws(\Error::class, '$sessionId must be set and not empty');
+
+it('should allow to validate session secret when calling `validateSessionSecret` method', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+
+    $client = new BaseEvent($backendUrl, $sourceIdentifier);
+
+    $sessionSecret = 'c7622e14-21f8-40c2-b151-3a311816b423';
+
+    $client->validateSessionSecret($sessionSecret);
+
+    // I have added this here just to assert something.
+    // As far as I researched, pest doesn't have something like PHP Unit's @doesNotPerformAssertions
+    expect(1)->toBe(1);
+});
+
+it('should throw error exception when calling `validateSessionSecret` method with invalid session secret', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+
+    $client = new BaseEvent($backendUrl, $sourceIdentifier);
+
+    $sessionSecret = '';
+
+    $client->validateSessionSecret($sessionSecret);
+})->throws(\Error::class, '$sessionSecret must be set and not empty');
diff --git a/tests/src/Events/DatabaseTransactionEventTest.php b/tests/src/Events/DatabaseTransactionEventTest.php
new file mode 100644
index 0000000..b0602fb
--- /dev/null
+++ b/tests/src/Events/DatabaseTransactionEventTest.php
@@ -0,0 +1,41 @@
+<?php
+
+use Devqaly\DevqalyClient\Events\DatabaseTransactionEvent;
+
+it('should throw an error when passing empty sql', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+    $sessionId = 'c7622e14-21f8-40c2-b151-3a311816b423';
+    $sessionSecret = 'c7622e14-21f8-40c2-b151-3a311816b423';
+
+    $client = new DatabaseTransactionEvent($backendUrl, $sourceIdentifier);
+
+    $client->create($sessionId, $sessionSecret, []);
+})->throws(\Error::class, '`sql` must be set to create a database transaction event in $data');
+
+it('should execute curl request when calling `create` method and close', function() {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+    $sessionId = 'c7622e14-21f8-40c2-b151-3a311816b423';
+    $sessionSecret = 'c7622e14-21f8-40c2-b151-3a311816b423';
+
+    $client = Mockery::mock(DatabaseTransactionEvent::class, [$backendUrl, $sourceIdentifier])->makePartial();
+
+    $endpoint = 'https://something.com';
+
+    $baseData = ['sql' => 'select * from users'];
+
+    $client->shouldReceive('validateSessionId')->with($sessionId)->once();
+    $client->shouldReceive('validateSessionSecret')->with($sessionSecret)->once();
+    $client->shouldReceive('getCreateEventEndpoint')->with($sessionId)->once()->andReturn($endpoint);
+
+    $client->shouldReceive('setOption')->times(1)->with(CURLOPT_URL, $endpoint);
+    $client->shouldReceive('setOption')->times(1)->with(CURLOPT_RETURNTRANSFER, true);
+    $client->shouldReceive('setOption')->times(1);
+    $client->shouldReceive('setOption')->times(1)->with(CURLOPT_HTTPHEADER, ['x-devqaly-session-secret-token: '.$sessionSecret]);
+
+    $client->shouldReceive('execute')->withNoArgs()->once();
+    $client->shouldReceive('close')->withNoArgs()->once();
+
+    $client->create($sessionId, $sessionSecret, $baseData);
+});
diff --git a/tests/src/Events/LogEventTest.php b/tests/src/Events/LogEventTest.php
new file mode 100644
index 0000000..91206bf
--- /dev/null
+++ b/tests/src/Events/LogEventTest.php
@@ -0,0 +1,52 @@
+<?php
+
+use Devqaly\DevqalyClient\Events\LogEvent;
+
+it('should throw an error when passing empty `level`', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+    $sessionId = 'c7622e14-21f8-40c2-b151-3a311816b423';
+    $sessionSecret = 'c7622e14-21f8-40c2-b151-3a311816b423';
+
+    $client = new LogEvent($backendUrl, $sourceIdentifier);
+
+    $client->create($sessionId, $sessionSecret, ['log' => 'some log']);
+})->throws(\Error::class, '`level` must be set to create a log event in $data');
+
+it('should throw an error when passing empty `log`', function () {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+    $sessionId = 'c7622e14-21f8-40c2-b151-3a311816b423';
+    $sessionSecret = 'c7622e14-21f8-40c2-b151-3a311816b423';
+
+    $client = new LogEvent($backendUrl, $sourceIdentifier);
+
+    $client->create($sessionId, $sessionSecret, ['level' => LogEvent::LOG_LEVEL_ALERT]);
+})->throws(\Error::class, '`log` must be set to create a log event in $data');
+
+it('should execute curl request when calling `create` method and close', function() {
+    $backendUrl = 'https://devqaly.test/api';
+    $sourceIdentifier = 'microservice-x';
+    $sessionId = 'c7622e14-21f8-40c2-b151-3a311816b423';
+    $sessionSecret = 'c7622e14-21f8-40c2-b151-3a311816b423';
+
+    $client = Mockery::mock(LogEvent::class, [$backendUrl, $sourceIdentifier])->makePartial();
+
+    $endpoint = 'https://something.com';
+
+    $baseData = ['level' => LogEvent::LOG_LEVEL_ALERT, 'log' => 'something'];
+
+    $client->shouldReceive('validateSessionId')->with($sessionId)->once();
+    $client->shouldReceive('validateSessionSecret')->with($sessionSecret)->once();
+    $client->shouldReceive('getCreateEventEndpoint')->with($sessionId)->once()->andReturn($endpoint);
+
+    $client->shouldReceive('setOption')->times(1)->with(CURLOPT_URL, $endpoint);
+    $client->shouldReceive('setOption')->times(1)->with(CURLOPT_RETURNTRANSFER, true);
+    $client->shouldReceive('setOption')->times(1);
+    $client->shouldReceive('setOption')->times(1)->with(CURLOPT_HTTPHEADER, ['x-devqaly-session-secret-token: '.$sessionSecret]);
+
+    $client->shouldReceive('execute')->withNoArgs()->once();
+    $client->shouldReceive('close')->withNoArgs()->once();
+
+    $client->create($sessionId, $sessionSecret, $baseData);
+});