diff --git a/tests/ApbctWP/Localize/TestCtPublicFunctionsLocalize.php b/tests/ApbctWP/Localize/TestCtPublicFunctionsLocalize.php
new file mode 100644
index 000000000..dae16de11
--- /dev/null
+++ b/tests/ApbctWP/Localize/TestCtPublicFunctionsLocalize.php
@@ -0,0 +1,33 @@
+<?php
+
+use Cleantalk\ApbctWP\Localize\CtPublicFunctionsLocalize;
+use Cleantalk\ApbctWP\State;
+
+class TestCtPublicFunctionsLocalize extends \PHPUnit\Framework\TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        global $apbct;
+        $apbct = new State('cleantalk', array('settings', 'data', 'errors', 'remote_calls', 'stats', 'fw_stats'));
+    }
+
+    protected function tearDown(): void
+    {
+        global $apbct;
+        unset($apbct);
+        parent::tearDown();
+    }
+
+    public function testGetData()
+    {
+        // Arrange
+
+        // Act
+        $localize_data = CtPublicFunctionsLocalize::getData();
+
+        // Assert
+        $this->assertArrayHasKey('bot_detector_enabled', $localize_data);
+        $this->assertArrayNotHasKey('data__bot_detector_enabled', $localize_data);
+    }
+}
\ No newline at end of file
diff --git a/tests/ApbctWP/Localize/TestCtPublicLocalize.php b/tests/ApbctWP/Localize/TestCtPublicLocalize.php
new file mode 100644
index 000000000..ffa1ca500
--- /dev/null
+++ b/tests/ApbctWP/Localize/TestCtPublicLocalize.php
@@ -0,0 +1,33 @@
+<?php
+
+use Cleantalk\ApbctWP\Localize\CtPublicLocalize;
+use Cleantalk\ApbctWP\State;
+
+class TestCtPublicLocalize extends \PHPUnit\Framework\TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        global $apbct;
+        $apbct = new State('cleantalk', array('settings', 'data', 'errors', 'remote_calls', 'stats', 'fw_stats'));
+    }
+
+    protected function tearDown(): void
+    {
+        global $apbct;
+        unset($apbct);
+        parent::tearDown();
+    }
+
+    public function testGetData()
+    {
+        // Arrange
+
+        // Act
+        $localize_data = CtPublicLocalize::getData();
+
+        // Assert
+        $this->assertArrayHasKey('bot_detector_enabled', $localize_data);
+        $this->assertArrayNotHasKey('data__bot_detector_enabled', $localize_data);
+    }
+}
\ No newline at end of file
diff --git a/tests/Inc/TestCleantalkCommon.php b/tests/Inc/TestCleantalkCommon.php
new file mode 100644
index 000000000..35e856693
--- /dev/null
+++ b/tests/Inc/TestCleantalkCommon.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace Inc;
+
+use Cleantalk\ApbctWP\ApbctConstant;
+use Cleantalk\ApbctWP\ServiceConstants;
+use Cleantalk\ApbctWP\State;
+use PHPUnit\Framework\TestCase;
+
+class TestCleantalkCommon extends TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        global $apbct;
+        $apbct = new State('cleantalk', array('settings', 'data', 'errors', 'remote_calls', 'stats', 'fw_stats'));
+    }
+
+    protected function tearDown(): void
+    {
+        global $apbct;
+        unset($apbct);
+        parent::tearDown();
+    }
+
+    public function testApbctIsBotDetectorEnabledByDefault()
+    {
+        // Arrange empty
+
+        // Act
+        $bot_detector_state = apbct__is_bot_detector_enabled();
+
+        // Assert
+        $this->assertTrue($bot_detector_state);
+    }
+
+    public function testApbctIsBotDetectorDisabledByData()
+    {
+        // Arrange
+        global $apbct;
+        $apbct->data['bot_detector_enabled'] = 0;
+
+        // Act
+        $bot_detector_state = apbct__is_bot_detector_enabled();
+
+        // Assert
+        $this->assertFalse($bot_detector_state);
+    }
+
+    public function testApbctIsBotDetectorEnabledByDataTrue()
+    {
+        // Arrange
+        global $apbct;
+        $apbct->data['bot_detector_enabled'] = 1;
+
+        // Act
+        $bot_detector_state = apbct__is_bot_detector_enabled();
+
+        // Assert
+        $this->assertTrue($bot_detector_state);
+    }
+
+    public function testApbctIsBotDetectorEnabledByConstant()
+    {
+        // Arrange
+        global $apbct;
+        $apbct_constant_mock = $this->getMockBuilder(ApbctConstant::class)
+                     ->onlyMethods(['isDefined', 'getValue'])
+                     ->disableOriginalConstructor()
+                     ->getMock();
+
+        $apbct_constant_mock->method('isDefined')
+             ->willReturn(true);
+
+        $apbct_constant_mock->method('getValue')
+                               ->willReturn(true);
+        $apbct->service_constants = new ServiceConstants();
+        $apbct->service_constants->bot_detector_enabled = $apbct_constant_mock;
+
+        // Act
+        $bot_detector_state = apbct__is_bot_detector_enabled();
+
+        // Assert
+        $this->assertTrue($bot_detector_state);
+    }
+
+    public function testApbctIsBotDetectorDisabledByConstant()
+    {
+        // Arrange
+        global $apbct;
+        $apbct_constant_mock = $this->getMockBuilder(ApbctConstant::class)
+                                    ->onlyMethods(['isDefined', 'getValue'])
+                                    ->disableOriginalConstructor()
+                                    ->getMock();
+
+        $apbct_constant_mock->method('isDefined')
+                            ->willReturn(true);
+
+        $apbct_constant_mock->method('getValue')
+                            ->willReturn(false);
+        $apbct->service_constants = new ServiceConstants();
+        $apbct->service_constants->bot_detector_enabled = $apbct_constant_mock;
+
+        // Act
+        $bot_detector_state = apbct__is_bot_detector_enabled();
+
+        // Assert
+        $this->assertFalse($bot_detector_state);
+    }
+}
diff --git a/tests/Inc/TestCleantalkPublic.php b/tests/Inc/TestCleantalkPublic.php
new file mode 100644
index 000000000..9d073b2cd
--- /dev/null
+++ b/tests/Inc/TestCleantalkPublic.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace Inc;
+
+use Cleantalk\ApbctWP\State;
+use PHPUnit\Framework\TestCase;
+
+class TestCleantalkPublic extends TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        global $apbct;
+        $apbct = new State('cleantalk', array('settings', 'data', 'errors', 'remote_calls', 'stats', 'fw_stats'));
+    }
+
+    protected function tearDown(): void
+    {
+        global $apbct;
+        unset($apbct);
+        parent::tearDown();
+    }
+
+    public function testApbctInitPixelUrlLoad()
+    {
+        // Arrange
+        global $apbct;
+        $apbct->data['bot_detector_enabled'] = 0;
+        $apbct->settings['data__pixel'] = '3';
+
+        // Act
+        apbct_init();
+
+        // Assert
+        $this->assertNotNull($apbct->pixel_url);
+    }
+
+    public function testApbctInitPixelUrlNotLoad()
+    {
+        // Arrange
+        global $apbct;
+        $apbct->data['bot_detector_enabled'] = 1;
+        $apbct->settings['data__pixel'] = '3';
+
+        // Act
+        apbct_init();
+
+        // Assert
+        $this->assertNull($apbct->pixel_url);
+    }
+
+    public function testApbctHookWpFooterShowPixel()
+    {
+        // Arrange
+        global $apbct;
+        $apbct->data['bot_detector_enabled'] = 0;
+        $apbct->settings['data__pixel'] = '3';
+
+        // Act
+        ob_start();
+        apbct_hook__wp_footer();
+        $output = ob_get_clean();
+
+        // Assert
+        $this->assertStringContainsString('img alt="Cleantalk Pixel" title="Cleantalk Pixel" id="apbct_pixel" style="display: none;"', $output);
+    }
+
+    public function testApbctEnqueueAndLocalizePublicScripts()
+    {
+        // Arrange
+        global $apbct;
+        $apbct->data['bot_detector_enabled'] = 1;
+
+        // Act
+        apbct_enqueue_and_localize_public_scripts();
+
+        // Assert
+        $this->assertTrue(wp_script_is('ct_bot_detector'));
+    }
+}
\ No newline at end of file
diff --git a/tests/Inc/TestCleantalkSettings.php b/tests/Inc/TestCleantalkSettings.php
index c0e04e939..cd552d9f6 100644
--- a/tests/Inc/TestCleantalkSettings.php
+++ b/tests/Inc/TestCleantalkSettings.php
@@ -1,5 +1,7 @@
 <?php
 
+namespace Inc;
+
 use Cleantalk\ApbctWP\State;
 use PHPUnit\Framework\TestCase;
 
@@ -7,10 +9,19 @@ class TestCleantalkSettings extends TestCase
 {
 	protected function setUp(): void {
 		parent::setUp(); // TODO: Change the autogenerated stub
+        require_once(CLEANTALK_PLUGIN_DIR . 'inc/cleantalk-settings.php');
 		global $apbct;
 		$apbct = new State('cleantalk', array('settings', 'data', 'errors', 'remote_calls', 'stats', 'fw_stats'));
+        $apbct->data['bot_detector_enabled'] = 1;
 	}
 
+    protected function tearDown(): void
+    {
+        global $apbct;
+        unset($apbct);
+        parent::tearDown();
+    }
+
 	public function testApbctSettingsSetFieldsBotDetector()
 	{
 		$fields = apbct_settings__set_fields();
diff --git a/tests/Inc/TestCleantalkUpdater.php b/tests/Inc/TestCleantalkUpdater.php
new file mode 100644
index 000000000..ec3abe2f3
--- /dev/null
+++ b/tests/Inc/TestCleantalkUpdater.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Inc;
+
+use Cleantalk\ApbctWP\State;
+use PHPUnit\Framework\TestCase;
+
+class TestCleantalkUpdater extends TestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        global $apbct;
+        $apbct = new State('cleantalk', array('settings', 'data', 'errors', 'remote_calls', 'stats', 'fw_stats'));
+    }
+
+    protected function tearDown(): void
+    {
+        global $apbct;
+        unset($apbct);
+        parent::tearDown();
+    }
+
+    public function testApbctUpdateTo_6_76_0()
+    {
+        // Arrange
+        global $apbct;
+        $apbct->settings['data__bot_detector_enabled'] = 1;
+
+        // Act
+        apbct_update_to_6_76_0();
+        $apbct_rebuilt = new State('cleantalk', array('settings', 'data', 'errors', 'remote_calls', 'stats', 'fw_stats'));
+
+        // Assert
+        $this->assertEquals('1', $apbct_rebuilt->data['bot_detector_enabled']);
+    }
+}