diff --git a/backend/app/plugins/wiaas/tests/unit-tests/test-wiaas-rest-delivery-process-api.php b/backend/app/plugins/wiaas/tests/unit-tests/test-wiaas-rest-delivery-process-api.php
index 726e865..f29f243 100644
--- a/backend/app/plugins/wiaas/tests/unit-tests/test-wiaas-rest-delivery-process-api.php
+++ b/backend/app/plugins/wiaas/tests/unit-tests/test-wiaas-rest-delivery-process-api.php
@@ -49,4 +49,190 @@ class Wiass_REST_Delivery_Process_Api_Test extends Wiaas_Unit_Test_Case {
 		$this->assertEquals($pending_step['status'], 'pending');
 		$this->assertNotEmpty($pending_step['step_action']);
 	}
+
+	/**
+	 * @covers Wiass_REST_Delivery_Process_API::get_customer_acceptance
+	 */
+	function test_get_customer_acceptance_as_guest() {
+		wp_set_current_user(0);
+		$response = Wiass_REST_Delivery_Process_API::get_customer_acceptance(NULL);
+
+		$this->assertNotNull($response);
+		$this->assertInstanceOf('WP_REST_Response',$response);
+
+		$this->assertTrue($response->is_error());
+		$this->assertEquals($response->get_status(), 401);
+
+		$error_data = $response->as_error();
+
+		$this->assertEquals($error_data->get_error_message(), 'You don\'t have permission to read this entry');
+	}
+
+	/**
+	 * @covers Wiass_REST_Delivery_Process_API::get_customer_acceptance
+	 */
+	function test_get_nonexisting_customer_acceptance() {
+		wp_set_current_user(1);
+
+		$data['entry_id'] = 101;
+
+		$response = Wiass_REST_Delivery_Process_API::get_customer_acceptance($data);
+
+		$this->assertNotNull($response);
+		$this->assertInstanceOf('WP_REST_Response',$response);
+
+		$this->assertTrue($response->is_error());
+		$this->assertEquals($response->get_status(), 404);
+
+		$error_data = $response->as_error();
+
+		$this->assertEquals($error_data->get_error_message(), 'Customer acceptance entry not found');
+	}
+
+	/**
+	 * @covers Wiass_REST_Delivery_Process_API::get_customer_acceptance
+	 */
+	function test_get_valid_customer_acceptance() {
+		wp_set_current_user(1);
+
+		// create customer acceptance entry
+		$customer_acceptance_form_id = 1;
+		
+		$customer_id_field_id = 2;
+		$actual_date_field_id = 6;
+		$acceptance_status_field_id = 8;
+		$expiration_date_field_id = 9;
+		$decline_reason_field_id = 10;
+		$files_uploaded_field_id = 12;
+		
+		$input_values['input_' . $acceptance_status_field_id] = 'accept';
+		$input_values['input_' . $expiration_date_field_id] = "2020-01-01";
+		//$input_values['input_' . $files_uploaded_field_id] = json_encode(['http://path/to/file1.docx']);
+		
+		GFAPI::submit_form($customer_acceptance_form_id, $input_values);
+		
+		//this part is needed since form submit does not store files for some reason, probably files should be sent some other way
+		$entry = GFAPI::get_entries($customer_acceptance_form_id)[0];
+		$data['entry_id'] = $entry['id'];
+		$entry[$files_uploaded_field_id] = json_encode(['http://path/to/file1.docx']);
+		$update = GFAPI::update_entry($entry);
+		$response = Wiass_REST_Delivery_Process_API::get_customer_acceptance($data);
+
+		$this->assertNotNull($response);
+		$this->assertInstanceOf('WP_REST_Response',$response);
+
+		$this->assertFalse($response->is_error());
+		$this->assertEquals($response->get_status(), 200);
+
+		$response_data = $response->get_data();
+
+		$this->assertTrue(is_array($response_data));
+		$this->assertArrayHasKey('documents', $response_data);
+		$this->assertArrayHasKey('expiration', $response_data);
+		$this->assertArrayHasKey('status', $response_data);
+		$this->assertArrayHasKey('decline_reason', $response_data);
+
+		$this->assertTrue(is_array($response_data['documents']));
+		
+		$uploaded_file = $response_data['documents'][0];
+		
+		$this->assertTrue(is_array($uploaded_file));
+		$this->assertArrayHasKey('name', $uploaded_file);
+		$this->assertArrayHasKey('extension', $uploaded_file);
+		$this->assertArrayHasKey('url', $uploaded_file);
+		$this->assertEquals($uploaded_file['name'], 'file1');
+		$this->assertEquals($uploaded_file['extension'], 'docx');
+		$this->assertEquals($uploaded_file['url'], 'http://path/to/file1.docx');
+
+		$this->assertEquals($response_data['status'], 1); //1 means accept
+
+		$this->assertEquals($response_data['expiration'], "2020-01-01");
+	}
+
+	/**
+	 * @covers Wiass_REST_Delivery_Process_API::submit_customer_acceptance
+	 */
+	function test_submit_customer_acceptance_as_guest() {
+		wp_set_current_user(0);
+
+		$response = Wiass_REST_Delivery_Process_API::submit_customer_acceptance(NULL);
+
+		$this->assertNotNull($response);
+		$this->assertInstanceOf('WP_REST_Response',$response);
+
+		$this->assertTrue($response->is_error());
+		$this->assertEquals($response->get_status(), 401);
+
+		$error_data = $response->as_error();
+
+		$this->assertEquals($error_data->get_error_message(), 'You don\'t have permission to update this entry');
+	}
+
+	/**
+	 * @covers Wiass_REST_Delivery_Process_API::submit_customer_acceptance
+	 */
+	function test_submit_nonexisting_customer_acceptance() {
+		wp_set_current_user(1);
+
+		$data['entry_id'] = 101;
+
+		$response = Wiass_REST_Delivery_Process_API::submit_customer_acceptance($data);
+
+		$this->assertNotNull($response);
+		$this->assertInstanceOf('WP_REST_Response',$response);
+
+		$this->assertTrue($response->is_error());
+		$this->assertEquals($response->get_status(), 404);
+
+		$error_data = $response->as_error();
+
+		$this->assertEquals($error_data->get_error_message(), 'Customer acceptance entry not found');
+	}
+
+	/**
+	 * @covers Wiass_REST_Delivery_Process_API::submit_customer_acceptance
+	 */
+	function test_submit_customer_acceptance_with_accept_status() {
+		wp_set_current_user(1);
+
+		$data['entry_id'] = 101;
+
+		$response = Wiass_REST_Delivery_Process_API::submit_customer_acceptance($data);
+
+		$this->assertNotNull($response);
+		$this->assertInstanceOf('WP_REST_Response',$response);
+
+		$this->assertTrue($response->is_error());
+		$this->assertEquals($response->get_status(), 404);
+
+		$error_data = $response->as_error();
+
+		$this->assertEquals($error_data->get_error_message(), 'Customer acceptance entry not found');
+	}
+
+	private function create_customer_acceptance_entry(){
+		$customer_acceptance_form_id = 1;
+		
+		$customer_id_field_id = 2;
+		$actual_date_field_id = 6;
+		$acceptance_status_field_id = 8;
+		$expiration_date_field_id = 9;
+		$decline_reason_field_id = 10;
+		$files_uploaded_field_id = 12;
+		
+		$input_values['input_' . $acceptance_status_field_id] = 'accept';
+		$input_values['input_' . $expiration_date_field_id] = "2020-01-01";
+		//$input_values['input_' . $files_uploaded_field_id] = json_encode(['http://path/to/file1.docx']);
+		
+		GFAPI::submit_form($customer_acceptance_form_id, $input_values);
+		
+		//this part is needed since form submit does not store files for some reason, probably files should be sent some other way
+		$entry = GFAPI::get_entries($customer_acceptance_form_id)[0];
+		$data['entry_id'] = $entry['id'];
+		$entry[$files_uploaded_field_id] = json_encode(['http://path/to/file1.docx']);
+		$update = GFAPI::update_entry($entry);
+		$response = Wiass_REST_Delivery_Process_API::get_customer_acceptance($data);
+	}
+
+
 }