CN113572521B - Automatic test method compatible with multi-manufacturer OLT intercommunication test - Google Patents
Automatic test method compatible with multi-manufacturer OLT intercommunication test Download PDFInfo
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- CN113572521B CN113572521B CN202110832823.0A CN202110832823A CN113572521B CN 113572521 B CN113572521 B CN 113572521B CN 202110832823 A CN202110832823 A CN 202110832823A CN 113572521 B CN113572521 B CN 113572521B
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- 238000012360 testing method Methods 0.000 title claims abstract description 129
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 239000013307 optical fiber Substances 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000013515 script Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 238000003032 molecular docking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0793—Network aspects, e.g. central monitoring of transmission parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses an automatic test method compatible with multi-manufacturer OLT intercommunication test, which comprises a test system consisting of ONU equipment, a program-controlled optical fiber switcher, manufacturer OLT, a tera switch, a flow test instrument and a control host; the flow is as follows: the control host is connected with the ONU and issues service configuration according to the requirement; the control host is connected with the optical fiber switcher and is ready for DUT registration; the control host is connected with the OLT which needs to be docked to authorize the ONU, and then a series of operations are carried out according to the test content; the control host is connected with an upper layer universal switch interconnected with the OLT to carry out service configuration and ensure the service to be communicated; the control host is connected with the test instrument to conduct actual service test. The invention is deployed uniformly, the control of the test flow can be carried out through the program script, and no manual intervention is needed; through the optical fiber switcher, multiple devices to be tested can be tested simultaneously and concurrently, and more OLT models of different manufacturers can be docked.
Description
Technical Field
The invention relates to the field of automatic testing, in particular to an automatic testing method compatible with multi-manufacturer OLT intercommunication testing.
Background
The OLT interworking test is a very important link in the telecommunications network access test. The tester needs to manually connect the tested ON U to the corresponding service board card of the OLT of a manufacturer model to perform the test. Because OLT of different manufacturers or different types of service cards (sometimes the same type of card, and different versions) may be used in the actual network, it is necessary to perform comprehensive coverage test as much as possible in the laboratory. The conventional testing method is generally low in efficiency by manually switching and butting the corresponding OLT and manually executing the testing process.
Because the existing test method mainly takes manpower as a main part, the test is carried out by means of manual intervention, the efficiency is very low, and errors are easy to occur. Sometimes, the manual intervention is not timely, so that the resources occupied by the time on the program cannot be released, the test resources can be monopolized by the program, and the test environment utilization rate is not high. An automated test framework is required when interworking tests want to improve coverage, test more OLT models, or test more ONUs.
Disclosure of Invention
The invention aims to provide an automatic test method compatible with multi-manufacturer OLT intercommunication test, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an automatic test method compatible with multi-manufacturer OLT intercommunication test, the system for testing comprises ONU equipment, program-controlled optical fiber switcher, manufacturer OLT, tera switch, flow test instrument and control host.
ONU equipment; i.e., DUT devices to be tested, the number can be one to more; the ONU equipment is tested equipment, is divided into EPON equipment and GPON equipment, and can be registered and authorized to be accessed only by docking the corresponding EPON or GPON board card.
Program-controlled optical fiber switcher; the optical splitter is used for switching optical path connection, and can be switched on and off through an Ethernet controller to support socket communication.
Manufacturer OLT; the manufacturer OLT generally has multiple types, wherein each type of OLT can be provided with a different type of service board; in order to meet the requirement of the intercommunication test, different types of OLTs of different manufacturers are required to be docked, and the same OLTs also have different types of service boards for compatibility test.
A ten thousand mega-switch; the tera-megaswitch is connected with the upper port of the OLT in a butt joint way, and the service division is carried out through VLAN.
A flow meter; such as Testcenter, may simulate actual business testing.
A control host; the device is mainly used for controlling each test component and each test equipment; the test cases and test scripts of the testers are stored on the host, and the corresponding test scripts are executed during testing to perform testing.
The test flow using the test system of the invention is as follows:
s1, a tester connects ONU 1-ONUn through an Ethernet (or serial port) by a control host, logs in a Web GUI or a device serial port according to the need to issue service configuration;
s2, a tester is connected with the optical fiber switcher through the Ethernet by the control host, when the script executes the corresponding test case, the optical path is controlled to enable the ONU to be tested, which is commonly called as DUT, to be connected with the corresponding OLT board card, so as to complete the connection of the PON link and prepare for DUT registration;
s3, connecting the OLT to be docked through the Ethernet by a tester through a control host, authorizing the ONU, and then performing a series of operations according to the test content;
s4, the tester performs service configuration through the upper layer universal switch which is connected with the OLT through the control host computer by the Ethernet, and ensures that the service can be communicated;
s5, the tester is connected with a test instrument (such as a flow instrument) through the Ethernet through the control host to conduct actual service test.
As a further aspect of the invention: the control host is provided with a plurality of network cards and can communicate with equipment of different network segments through static IP addresses.
As still further aspects of the invention: the control program used in the test system is developed and maintained by Python and is mainly divided into three parts: the control system, the test instrument and the equipment to be tested are managed, and the specific steps are as follows:
(1) And (3) a control system:
including a main program and various functional modules and lib libraries. The main program calls the function of the packaged functional module or the Lib library to butt joint instrument equipment or equipment to be tested, thereby achieving the purposes of configuration and management.
(2) Test meter and equipment management:
1) The OLT and the switch belong to network equipment and support connection management in a telnet mode;
2) The optical fiber switcher uses Socket communication, the main control program is connected to the equipment through the Ethernet, and the Socket interface is called to establish a link with the Socket Server of the equipment so as to manage the optical fiber switcher to adjust the on-off of the corresponding optical path;
3) The flow test instrument opens an API interface supporting different development languages, and the control system can directly use a third party Lib library and then call functions such as Start (), set (), get (), and the like in the corresponding API interface to control the test instrument to work and save test data.
(3) And (3) managing the equipment to be tested:
the device under test supports three modes for management and configuration:
serial port mode: the control system can communicate with the equipment to be tested by calling the PySerial module, a tester is connected with the equipment to be tested by virtue of a serial port, and the configuration is issued to the equipment to be tested in a command mode, so that the mode also supports the collection of real-time operation logs of the equipment to be tested for analysis.
HTTP service: the control system is provided with a Sepenum function module, a tester can write a corresponding script program freely, call a web driver of a browser, and then simulate a real user to access the web UI through an http service to perform configuration management on equipment to be tested.
Telnet mode: the control system also supports a Telnet mode, is connected to a LAN port of the device to be tested through the Ethernet, and then calls various functions in a Telnet lib library to control and manage the device to be tested. The method is simple and efficient.
OAM/OMCI management: this way is managed indirectly by the OLT and is also a function to be tested; the control program is connected with the OLT through telnet, and then the OLT is controlled to configure and manage the device to be tested through OAM/OMCI protocol.
Compared with the prior art, the invention has the advantages that:
1. the system of the invention can effectively improve the test continuity through unified deployment, avoid manual intervention and greatly improve the execution efficiency.
2. The test system can support the concurrent execution of the intercommunication test of the OLT and the ONU of multiple manufacturers, has wider traversal and higher coverage rate, and can also improve the execution efficiency by times due to the concurrent execution.
3. Through actual verification, the test system provided by the invention can independently repeat a certain test item or even a certain test step according to the requirements of testers, and has strong expansibility; in the later iteration and regression test, the advantages are very obvious.
Drawings
FIG. 1 is a flow chart of a test system according to the present invention.
FIG. 2 is a diagram of a control program architecture of a test system in the method of the present invention.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Referring to fig. 1, an automatic test method compatible with multi-manufacturer OLT intercommunication test includes a test system composed of an ONU device, a program-controlled optical fiber switch, a manufacturer OLT, a tera switch, a flow test instrument, and a control host.
ONU equipment; i.e., DUT devices to be tested, the number can be one to more; the ONU equipment is tested equipment, is divided into EPON equipment and GPON equipment, and can be registered and authorized to be accessed only by docking the corresponding EPON or GPON board card.
Program-controlled optical fiber switcher; the optical splitter is used for switching optical path connection, and can be switched on and off through an Ethernet controller to support socket communication.
Manufacturer OLT; the manufacturer OLT generally has multiple types, wherein each type of OLT can be provided with a different type of service board; in order to meet the requirement of the intercommunication test, different types of OLTs of different manufacturers are required to be docked, and the same OLTs also have different types of service boards for compatibility test.
A ten thousand mega-switch; the tera-megaswitch is connected with the upper port of the OLT in a butt joint way, and the service division is carried out through VLAN.
A flow meter; such as Testcenter, may simulate actual business testing.
A control host; the device is mainly used for controlling each test component and each test equipment; the test cases and test scripts of the testers are stored on the host, and the corresponding test scripts are executed during testing to perform testing; the control host is provided with a plurality of network cards and can communicate with the equipment of different network segments through static IP addresses.
The control program used in the test system is developed and maintained by Python and is mainly divided into three parts: the control system, the test instrument and the equipment to be tested are managed, and the specific steps are as follows:
(1) And (3) a control system:
including a main program and various functional modules and lib libraries. The main program calls the function of the packaged functional module or the Lib library to butt joint instrument equipment or equipment to be tested, thereby achieving the purposes of configuration and management.
(2) Test meter and equipment management:
1) The OLT and the switch belong to network equipment and support connection management in a telnet mode;
2) The optical fiber switcher uses Socket communication, the main control program is connected to the equipment through the Ethernet, and the Socket interface is called to establish a link with the Socket Server of the equipment so as to manage the optical fiber switcher to adjust the on-off of the corresponding optical path;
3) The flow test instrument opens an API interface supporting different development languages, and the control system can directly use a third party Lib library and then call functions such as Start (), set (), get (), and the like in the corresponding API interface to control the test instrument to work and save test data.
(3) And (3) managing the equipment to be tested:
the device under test supports three modes for management and configuration:
serial port mode: the control system can communicate with the equipment to be tested by calling the PySerial module, a tester is connected with the equipment to be tested by virtue of a serial port, and the configuration is issued to the equipment to be tested in a command mode, so that the mode also supports the collection of real-time operation logs of the equipment to be tested for analysis.
HTTP service: the control system is provided with a Sepenum function module, a tester can write a corresponding script program freely, call a web driver of a browser, and then simulate a real user to access the web UI through an http service to perform configuration management on equipment to be tested.
Telnet mode: the control system also supports a Telnet mode, is connected to a LAN port of the device to be tested through the Ethernet, and then calls various functions in a Telnet lib library to control and manage the device to be tested. The method is simple and efficient.
OAM/OMCI management: this way is managed indirectly by the OLT and is also a function to be tested; the control program is connected with the OLT through telnet, and then the OLT is controlled to configure and manage the device to be tested through OAM/OMCI protocol.
The test flow using the test system of the invention is as follows:
s1, a tester connects ONU 1-ONUn through an Ethernet (or serial port) by a control host, logs in a Web GUI or a device serial port according to the need to issue service configuration;
s2, a tester is connected with the optical fiber switcher through the Ethernet by the control host, when the script executes the corresponding test case, the optical path is controlled to enable the ONU to be tested, which is commonly called as DUT, to be connected with the corresponding OLT board card, so as to complete the connection of the PON link and prepare for DUT registration;
s3, connecting the OLT to be docked through the Ethernet by a tester through a control host, authorizing the ONU, and then performing a series of operations according to the test content;
s4, the tester performs service configuration through the upper layer universal switch which is connected with the OLT through the control host computer by the Ethernet, and ensures that the service can be communicated;
s5, the tester is connected with a test instrument (such as a flow instrument) through the Ethernet through the control host to conduct actual service test.
The invention can be deployed uniformly, and the control of the test flow can be performed through the program script without manual intervention; through the optical fiber switcher, multiple devices to be tested can be tested simultaneously and concurrently, and more OLT models of different manufacturers can be docked. The automatic testing process is visible in the using process, a tester can sense the testing process and the testing progress in real time through log, and the testing process is stopped or re-executed according to actual needs; furthermore, since the testing process is highly automated, any single testing step may be repeated.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.
Claims (6)
1. An automatic test method compatible with multi-manufacturer OLT intercommunication test is characterized by comprising a test system consisting of ONU equipment, a program-controlled optical fiber switcher, a manufacturer OLT, a tera switch, a flow test instrument and a control host;
ONU equipment, namely DUT equipment to be tested, is divided into EPON and GPON equipment, and the corresponding EPON or GPON board card needs to be docked to register and be authorized to be accessed;
the program-controlled optical fiber switcher is used for switching optical path connection, can be switched on and off through the Ethernet controller and supports socket communication;
the manufacturer OLT has multiple types, wherein each type of OLT can be provided with different types of service boards;
the multi-megaphone switch is connected with the upper port of the OLT in a butt joint way, and business division is carried out through VLAN;
the flow test instrument can simulate actual service test;
the control host is mainly used for controlling each test component and each test device; the test cases and test scripts of the testers are stored on the host, and the corresponding test scripts are executed during testing to perform testing;
the flow of the adoption test system is as follows:
s1, a control host is connected with ONU 1-ONUn through an Ethernet or a serial port, logs in a Web GUI or a device serial port according to the requirement to issue service configuration;
s2, the control host is connected with the optical fiber switcher through the Ethernet, when the script executes the corresponding test case, the optical path is controlled to enable the ONU to be tested to be connected with the corresponding OLT board card, connection of a PON link is completed, and preparation is made for DUT registration;
s3, connecting the control host with the OLT to be docked through the Ethernet, authorizing the ONU, and then performing a series of operations according to the test content;
s4, the control host is connected with an upper-layer universal switch interconnected with the OLT through an Ethernet to carry out service configuration, so that service communication is ensured;
s5, the control host is connected with the test instrument through the Ethernet to conduct actual service test;
the test flow is controlled by a program, and the test flow comprises a control system, a test instrument, equipment management and equipment management to be tested.
2. The automated testing method compatible with multi-vendor OLT interworking testing of claim 1, wherein the number of ONU devices is at least one.
3. The automated testing method compatible with multi-vendor OLT intercommunication testing according to claim 1, wherein the control host is provided with a plurality of network cards and can communicate with devices of different network segments through static IP addresses.
4. The automated testing method compatible with multi-vendor OLT intercommunication testing according to claim 1, wherein the control system comprises a main program and functional modules and a lib library; the main program calls the function of the packaged functional module or the Lib library to butt joint instrument equipment or equipment to be tested, thereby achieving the purposes of configuration and management.
5. The automated testing method compatible with multi-vendor OLT intercommunication testing according to claim 1, wherein the test meter and the equipment management are specifically as follows:
1) The OLT and the switch belong to network equipment and support connection management in a telnet mode;
2) The optical fiber switcher uses Socket communication, the main control program is connected to the equipment through the Ethernet, and the Socket interface is called to establish a link with the Socket Server of the equipment so as to manage the optical fiber switcher to adjust the on-off of the corresponding optical path;
3) The flow test instrument opens an API interface supporting different development languages, and the control system can directly use a third party Lib library and then call a function in the corresponding API interface to control the test instrument to work and save test data.
6. The automated testing method compatible with multi-vendor OLT intercommunication testing according to claim 1, wherein the device under test supports three modes of management and configuration:
serial port mode: the control system can communicate with the equipment to be tested by calling the PySerial module, a tester is connected by virtue of a serial port, and the configuration is issued to the equipment to be tested in a command mode, so that the mode also supports the collection of real-time operation logs of the equipment to be tested for analysis;
HTTP service: the control system is provided with a Sepenum function module, a tester can freely write a corresponding script program, call a web driver of a browser, and then simulate a real user to access a web UI through an http service to perform configuration management on equipment to be tested;
telnet mode: the control system also supports a Telnet mode, is connected to a LAN port of the equipment to be tested through the Ethernet, and then calls various functions in a Telnet lib library to control and manage the equipment to be tested;
OAM/OMCI management: this way is managed indirectly by the OLT and is also a function to be tested; the control program is connected with the OLT through telnet, and then the OLT is controlled to configure and manage the device to be tested through OAM/OMCI protocol.
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