KR102021333B1 - Test automation method and apparatus thereof - Google Patents

Test automation method and apparatus thereof Download PDF

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KR102021333B1
KR102021333B1 KR1020150133314A KR20150133314A KR102021333B1 KR 102021333 B1 KR102021333 B1 KR 102021333B1 KR 1020150133314 A KR1020150133314 A KR 1020150133314A KR 20150133314 A KR20150133314 A KR 20150133314A KR 102021333 B1 KR102021333 B1 KR 102021333B1
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South Korea
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test automation
connection
connection confirmation
test
message
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KR1020150133314A
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Korean (ko)
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KR20170034686A (en
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박건태
김선철
류호용
윤호선
홍성백
홍승우
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한국전자통신연구원
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
    • G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
    • G01R31/024—
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The present invention relates to a test automation method and apparatus, and more particularly, to a test automation method and apparatus that enables the test automation device to determine the connection state of the TCP / IP layer 3 to the test automation network devices.
Accordingly, the present invention, the step of transmitting a connection confirmation request message for confirming the connection status to a specific layer to at least one device constituting a test automation network, in response to the connection confirmation request message from the at least one device Determining whether a connection confirmation response message is received; and when the connection confirmation response message is not received for at least some of the at least one device, it is determined that the connection between the at least some device and the specific layer is lost. It relates to a test automation method and an apparatus comprising a step of.

Description

Test automation method and apparatus {TEST AUTOMATION METHOD AND APPARATUS THEREOF}

The present invention relates to a test automation method and apparatus, and more particularly, to a test automation method and apparatus that enables the test automation device to determine the connection state of the TCP / IP layer 3 to the test automation network devices.

The test automation network can test the TCP / IP Layer 2 and Layer 3 protocols among the devices connected to the network.

To this end, the test automation network connects three-tier equipment and instruments to a test automation device (eg, a host PC) equipped with test automation software by using a switch. In this network, the test automation device is connected to each device using a connection daemon program such as Telnet or ssh (secure shell) as connected devices, and each device can be connected to each other. Test the network protocol between each device by sending a Language Infrastructure (CLI) message.

In a conventional test automation network, it was required to separately check that there was no problem with the three-layer connection between the test automation device and all the equipment before executing the test case. In addition, if the three-layer connection is unintentionally disconnected even during the test using the test case, a problem arises in that an incorrect test result cannot be obtained because an accurate test cannot be performed.

The present invention has been made to solve the above problems, and provides a test automation method and apparatus for allowing the test automation device to periodically check the three-layer connection with each device when the test case is executed.

In addition, the present invention provides a test automation method and apparatus for determining a three-layer disconnected equipment, and informs the user of information about the disconnected equipment.

In the test automation method according to the present invention for solving the above problems, the step of transmitting a connection confirmation request message for confirming the connection status to a specific layer to at least one device constituting a test automation network, the at least one Determining whether a connection confirmation response message is received from the device in response to the connection confirmation request message; and if the connection confirmation response message is not received for at least some of the at least one device, the at least some device And determining that the connection of the specific layer has been lost.

Test automation method and apparatus according to the present invention, to reduce the hassle of checking the connection state between the equipment before the test.

In addition, the test automation method and apparatus according to the present invention prevents meaningless testing from proceeding in a three-layer disconnected environment and makes the test results of the test automation software more reliable.

1 is a diagram showing the structure of a test automation network to which the present invention can be applied.
2 is a block diagram showing the configuration of a test automation device according to the present invention.
3 is a flowchart illustrating a test automation method according to the present invention.
4 is a diagram illustrating a path through which a connection confirmation request message is transmitted in the test automation method according to the present invention.
5 is a diagram illustrating a path through which a connection confirmation response message is transmitted in the test automation method according to the present invention.
6 is a flowchart illustrating a test automation method of a test automation device according to the present invention.

In the following description of embodiments of the present disclosure, when it is determined that a detailed description of a related well-known configuration or function may obscure the gist of the present disclosure, the detailed description may be omitted.

When a component is referred to herein as being “connected” or “connected” to another component, as well as when the component is directly connected to or connected to another component, It is to be understood that this also includes the case where there is another component between the component and another component.

As used herein, "includes," "can include." And the like refer to the existence of the corresponding function, operation, component, etc. disclosed, and do not limit one or more additional functions, operations, components, and the like. Also, in this specification, "includes." Or "have." And the like are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, and that one or more other features or numbers, step, action, component, part, or It should be understood that they do not preclude the presence or possibility of adding these in advance.

As used herein, the singular forms "a", "an" and "the" include plural forms unless the context clearly indicates otherwise.

Hereinafter, with reference to the accompanying drawings will be described the present invention.

1 is a diagram showing the structure of a test automation network to which the present invention can be applied.

Referring to FIG. 1, the test automation network 100 may include a test automation device 110, a switch 120, and at least one device 130a, 130b, 130c.

The test automation device 110 operates as a host PC that performs a test using a test case for the at least one device (130a, 130b, 130c). For this purpose, the test automation device 110 may be installed with test automation software. The test automation software can construct and edit test cases using a computing language (eg, a script language) that the test automation software can recognize.

The test automation device 110 may be connected to the at least one device (130a, 130b, 130c) through the switch 120. The switch 120 connects each device in the test automation network 100 and switches packets between the test automation device 110 and at least one of the devices 130a, 130b, and 130c. The switch 120 may include at least one port, and each of the at least one devices 130a, 130b, and 130c may be physically connected to each port.

In the test automation network 100 of FIG. 1, only one switch 120 is illustrated, but the present invention is not limited thereto. In various embodiments, the test automation device 110 constituting the test automation network 100 and at least one device may be used. The equipment 130a, 130b, 130c may be directly or indirectly connected by a plurality of switches.

In addition, in the test automation network 100 of FIG. 1, the test automation device 110 and at least one device 130a, 130b, 130c are illustrated as being connected through a switch 120, but in various embodiments, the test The switch 120 may be replaced with a router, a bridge, a hub, a repeater, or the like as long as the performance is not impossible.

At least one of the equipment (130a, 130b, 130c) is connected to the test automation device 110 through a switch 120, is tested in a manner to perform a test case under the control of the test automation device (110). In various embodiments, at least one of the devices 130a, 130b, 130c may be configured to include a network instrument, a router, and the like.

The network instrument can enable two- and three-layer protocols of TCP / IP and generate data traffic to observe the data flow. Routers allow the testing of Layers 2 and 3 between the devices connected to the router. However, the equipment that can be tested by the test automation device 110 in the test automation network 100 is not limited to the above.

2 is a block diagram showing the configuration of a test automation device according to the present invention.

Referring to FIG. 2, the test automation device 110 according to the present invention may include a communication unit 111, a control unit 112, and an output unit 113.

The communication unit 111 may perform data communication with the outside. The communication unit 111 may include a transmitter for upconverting and amplifying a frequency of a transmitted signal, a receiver for low noise amplifying a received signal, and downconverting a frequency of a received signal. The communication unit 111 may exchange data with at least one device 130a, 130b, 130c constituting the test automation network 100 based on the TCP / IP protocol. To this end, the communication unit 111 may be connected to at least one device (130a, 130b, 130c) constituting the test automation network 100 on the TCP / IP layer 2 and 3 layers.

According to an embodiment of the present disclosure, the communication unit 111 may transmit a connection confirmation request message to at least one of the devices 130a, 130b, and 130c under the control of the control unit 112. In addition, the communication unit 111 may receive a connection confirmation response message from the at least one device (130a, 130b, 130c) and transfer it to the control unit 112.

The controller 112 controls the respective components of the test automation device 110 to perform a test automation operation according to the present invention.

In various embodiments of the present disclosure, the controller 112 may include at least one device 130a, 130b, 130c connected to the test automation device 110, at least one device 130a, 130b, 130c) may perform an operation for checking whether a connection is made to a specific layer among TCP / IP layers. To this end, the controller 112 checks the connection to the at least one device (130a, 130b, 130c) using the address information (for example, IP address information) of the at least one device (130a, 130b, 130c) The communication unit 111 may be controlled to transmit a request message and to receive a connection confirmation response message from at least one of the devices 130a, 130b, and 130c.

According to various embodiments of the present disclosure, the connection confirmation request message may be an ICMP request message or an SNMP request message, and the connection confirmation response message may be an ICMP response message or an SNMP response message. In addition, in various embodiments, the specific layer may be a TCP / IP three layer.

In addition, in various embodiments, when the connection confirmation response message for the connection confirmation request message is not received from some of the at least one devices 130a, 130b, and 130c, the test automation device 110 may be used. ), And the connection to a specific layer between the equipment can be determined to be broken. In this case, the controller 112 may control the output unit 113 to visually or audibly notify that the connection to a specific layer is lost. In various embodiments, the control unit 112 displays a topology for the test automation network 100, and applies a special GUI to a disconnected device of a specific layer on the displayed topology, thereby disconnecting the connection of a specific layer to the corresponding device. Can be displayed. The GUI may include text, an image, a figure, and the like. Alternatively, in various embodiments, when editing a computer language (eg, a script language) for a test case, the controller 112 deactivates a command input UI corresponding to a device in which a specific layer is disconnected, thereby specifying the specific device. It can indicate that a layer has been disconnected.

More specific operations of the controller 112 will be described later with reference to FIGS. 3 to 6.

The output unit 113 visually or audibly outputs various information related to the test automation device 110. For this purpose, the output unit 113 may include at least one display, a sound output module, an alarm unit, and the like.

3 is a flowchart illustrating a test automation method according to the present invention.

Referring to FIG. 3, the test automation method according to the present disclosure may start with the test automation device 110 performing an initialization operation (301).

The initialization operation may be performed by a computer software (eg, a computer language) that the test automation software can recognize in order for the test automation device 110 to test the at least one devices 130a, 130b, 130c connected in the test automation network 100. Scripting language). As the test case is driven, the test automation device 110 and the at least one devices 130a, 130b, and 130c may transmit and receive various data packets to each other, and may perform a processing operation accordingly.

When the test is started by the initialization operation, the test automation device 110 transmits a connection confirmation request message to the at least one device (130a, 130b, 130c) (302).

The connection confirmation request message is for confirming a connection state of a specific layer between the test automation device 110 and at least one device (130a, 130b, 130c), in various embodiments of the present invention, the connection confirmation request message is ICMP It may be a request message or an SNMP request message. In various embodiments, the specific layer may be a TCP / IP three layer. As shown in FIG. 4, the connection confirmation request message may be transmitted from the test automation device 110 to the at least one devices 130a, 130b, and 130c via the switch 120.

The test automation device 110 transmits a connection confirmation request message by using a preset address (for example, a layer 2 and layer 3 address) for the at least one device 130a, 130b, or 130c. Therefore, when a particular layer of connection between the test automation device 110 and the at least one devices 130a, 130b, 130c is maintained, the at least one devices 130a, 130b, 130c may send a connection confirmation request message. Can be received. On the other hand, when a particular layer of connection between the test automation device 110 and at least one device (130a, 130b, 130c) is disconnected, at least one device (130a, 130b, 130c) does not receive a connection confirmation request message can not do it.

During the test, the test automation device 110 may transmit a connection confirmation request message to the one or more devices 130a, 130b, and 130c according to a predetermined period T. The connection confirmation request message transmission period T may be preset by the user of the test automation device 110.

Thereafter, the test automation device 110 determines whether a connection confirmation response message is received from the at least one devices 130a, 130b, and 130c (303).

The connection confirmation response message is a response message indicating whether or not the connection confirmation request message has been correctly received. The device that correctly receives the connection confirmation request message from the test automation device 110 sends a connection confirmation response message to the test automation device 110. Send. As described above, since the connection confirmation request message can be received only by the equipment connected to the test automation device 110 in a specific layer, as a result, the connection confirmation request message is connected to the test automation device 110 in a specific layer to receive a connection confirmation request message. A device sends a connection confirmation response message to the test automation device 110. The device receiving the connection confirmation request message may transmit the connection confirmation response message within a predetermined response time from the time of receiving the connection confirmation request message.

Alternatively, even if the equipment correctly receives the connection confirmation request message, if the connection between the test automation device 110 and a specific layer is lost in the process of transmitting the connection confirmation response message, the test automation device 110 may receive the connection confirmation response message. Can not. As a result, when connected to the test automation device 110 in a particular layer, the test automation device 110 may receive a connection confirmation response message from the corresponding equipment.

The test automation device 110 waits for the reception of the connection confirmation response message for a preset response time, and whether the connection confirmation response message is received from the at least one devices 130a, 130b, and 130c that have transmitted the connection confirmation request message. Can be determined.

According to various embodiments of the present disclosure, the connection confirmation response message may be an ICMP response message or an SNMP response message. In various embodiments, the specific layer may be a TCP / IP three layer. As shown in FIG. 5, the connection confirmation response message may be transferred from the at least one devices 130a, 130b, 130c to the test automation device 110 via the switch 120.

When the connection confirmation response message is received from any of the devices 130a and 130b within the preset response time, the test automation device 110 may determine that the connection with the corresponding devices 130a and 130b is performed in a specific layer (304). ).

On the other hand, if the connection confirmation response message is not received from any of the devices 130c within the predetermined response time, the test automation device 110 may determine that the connection between the corresponding devices 130c and the specific layer is lost ( 305).

According to various embodiments of the present disclosure, the connection confirmation response message may not be received due to a missing packet due to a temporary communication failure. Therefore, the test automation device 110 retransmits the connection confirmation request message only to the devices 130c determined to be disconnected from the specific layer within a predetermined period, and reconfirms whether or not the connection confirmation response message is received. Can be. The additional operation of the test automation device 110 may be variously set, and there is no particular limitation on this.

According to various embodiments of the present disclosure, when it is determined that the connection between the arbitrary devices 130c and the specific layer is disconnected, the test automation device 110 may output the disconnection information visually or audibly (306).

In various embodiments, the test automation device 110 displays a topology for the test automation network 100, and applies a special GUI to the equipment 130c for a particular layer of disconnected equipment 130c on the displayed topology. It can indicate that a particular layer has been disconnected. The GUI may include text, an image, a figure, and the like.

Alternatively, in various embodiments, the test automation device 110 may deactivate a command input UI corresponding to a disconnected device of a specific layer when editing a computer language (eg, a script language) for a test case. This may indicate that a particular layer has been disconnected. The command input UI may include, for example, a UI related to a setting related button or a selection of a corresponding device. Alternatively, when the command automation device 110 inputs a command using the CLI method, the test automation device 110 may indicate that a connection of a specific layer is disconnected to the corresponding device by not inputting a setting related command of the corresponding device.

In addition, the disconnection information output form of the test automation device 110 is not particularly limited.

The test automation device 110 may repeat the above operation until the test is completed, and periodically check the connection state for a specific layer while the test is in progress.

6 is a flowchart illustrating a test automation method of a test automation device according to the present invention.

Referring to FIG. 6, the test automation device 110 drives a test on at least one of the devices 130a, 130b, and 130c (601).

The test automation device 110 may recognize a computer language (eg, a script language) that the test automation software can recognize to test at least one device 130a, 130b, 130c connected within the test automation network 100. You can drive test cases written in. As the test case is driven, the test automation device 110 and the at least one devices 130a, 130b, and 130c may transmit and receive various data packets to each other, and may perform a processing operation accordingly.

Next, the test automation device 110 transmits (602) the at least one test automation device 110 to the at least one device 130a, 130b, 130c.

According to various embodiments of the present disclosure, the connection confirmation request message may be an ICMP request message or an SNMP request message. In various embodiments, the specific layer may be a TCP / IP three layer.

During the test, the test automation device 110 may transmit a connection confirmation request message to the one or more devices 130a, 130b, and 130c according to a predetermined period T. The connection confirmation request message transmission period T may be preset by the user of the test automation device 110.

Subsequently, the test automation device 110 determines whether a connection confirmation response message is received from the at least one devices 130a, 130b, and 130c within a predetermined response time (603).

The test automation device 110 waits for the reception of the connection confirmation response message for a preset response time, and whether the connection confirmation response message is received from the at least one devices 130a, 130b, and 130c that have transmitted the connection confirmation request message. Can be determined.

According to various embodiments of the present disclosure, the connection confirmation response message may be an ICMP response message or an SNMP response message. In various embodiments, the specific layer may be a TCP / IP three layer.

When the connection confirmation response message is received from any of the devices 130a and 130b within the preset response time, the test automation device 110 may determine that the connection with the corresponding devices 130a and 130b is performed in a specific layer (604). ).

On the other hand, if the connection confirmation response message is not received from any of the devices 130c within the predetermined response time, the test automation device 110 may determine that the connection between the corresponding devices 130c and the specific layer is lost ( 605).

According to various embodiments of the present disclosure, the connection confirmation response message may not be received due to a missing packet due to a temporary communication failure. Therefore, the test automation device 110 retransmits the connection confirmation request message only to the devices 130c determined to be disconnected from the specific layer within a predetermined period, and reconfirms whether or not the connection confirmation response message is received. Can be. The additional operation of the test automation device 110 may be variously set, and there is no particular limitation on this.

In addition, when it is determined that the connection between the arbitrary devices 130c and the specific layer is disconnected, the test automation device 110 may visually or acoustically output the disconnection information (606).

In various embodiments, the test automation device 110 displays a topology for the test automation network 100, and applies a special GUI to the equipment 130c for a particular layer of disconnected equipment 130c on the displayed topology. It can indicate that a particular layer has been disconnected. The GUI may include text, an image, a figure, and the like.

Alternatively, in various embodiments, the test automation device 110 may deactivate a command input UI corresponding to a disconnected device of a specific layer when editing a computer language (eg, a script language) for a test case. This may indicate that a particular layer has been disconnected. The command input UI may include, for example, a UI related to a setting related button or a selection of a corresponding device. Alternatively, when the command automation device 110 inputs a command using the CLI method, the test automation device 110 may indicate that a connection of a specific layer is disconnected to the corresponding device by not inputting a setting related command of the corresponding device.

In addition, the disconnection information output form of the test automation device 110 is not particularly limited.

Thereafter, the test automation apparatus 110 may determine whether the test is completed (607), and if the test is not finished, the test operation may be repeated to periodically check the connection state of a specific layer during the test. .

Those skilled in the art will appreciate that various modifications and variations can be made without departing from the essential features of the present invention. In addition, the embodiments disclosed in the specification and the drawings merely present specific examples to easily explain and easily understand the contents of the present invention, and are not intended to limit the scope of the present invention. Therefore, the scope of the present invention should be construed that all changes or modifications derived based on the technical spirit of the present invention are included in the scope of the present invention in addition to the embodiments disclosed herein.

100: test automation network
110: test automation device
120: switch
130a, 130b, 130c: equipment
111: communication unit
112: control unit
113: output unit

Claims (10)

A test automation method of a test automation device for checking a connection state with at least one device,
Transmitting a connection confirmation request message to the at least one device by using the address information of the at least one device at a predetermined cycle; And
Determining a connection state with the at least one device based on whether the connection confirmation response message corresponding to the connection confirmation request message within the predetermined response time is received from the at least one device,
Determining a connection state with the at least one device,
Determining that the connection with the at least one device is lost when the connection confirmation response message is not received within the predetermined response time;
If it is determined that the connection with the at least one device is lost, further comprising outputting information about the connection state with the at least one device visually or audibly,
The connection state with the at least one disconnected device is displayed as a graphical user interface (GUI) on a network displayed in the form of a topology, or a command input UI (User Interface) corresponding to the at least one disconnected device is deactivated. Displayed, the test automation method. The method according to claim 1,
Determining a connection state with the at least one device,
Determining that a connection with the at least one device is received when the connection confirmation response message is received within the predetermined response time. delete delete The method according to claim 1,
The connection confirmation request message and the connection confirmation response message,
A test automation method comprising a message based on Internet Control Message Protocol (ICMP) or Simple Network Management Protocol (SNMP). A test automation device for verifying connection with at least one device,
A processor; And
At least one instruction executed by the processor includes a memory (memory),
The at least one command is
And transmits a connection confirmation request message to the at least one device by using the address information of the at least one device at regular intervals.
And determining a connection state with the at least one device based on whether or not a connection confirmation response message corresponding to the connection confirmation request message within the predetermined response time is received from the at least one device.
If the connection confirmation response message is not received within the predetermined response time, it is executed to determine that the connection with the at least one device is lost.
If it is determined that the connection with the at least one device is disconnected, it is executed to output information about the connection state with the at least one device visually or audibly,
The connection state with the at least one disconnected device is displayed as a graphical user interface (GUI) on the network displayed in the form of a topology, or a command input user interface (UI) corresponding to the at least one disconnected device. Test automation device, which is displayed by disabling it. The method according to claim 6,
The at least one command is
And upon receiving the connection confirmation response message within the constant response time, determine to be connected with the at least one equipment. delete delete The method according to claim 6,
The connection confirmation request message and the connection confirmation response message,
A test automation device comprising a message based on Internet Control Message Protocol (ICMP) or Simple Network Management Protocol (SNMP).
KR1020150133314A 2015-09-21 2015-09-21 Test automation method and apparatus thereof KR102021333B1 (en)

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JP2000357135A (en) 1999-06-15 2000-12-26 Fujitsu Ltd Supervisory control method for network equipment
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KR100598974B1 (en) * 2001-02-06 2006-07-12 주식회사 케이티프리텔 Apparatus and method for checking of network system
KR100514357B1 (en) * 2003-05-22 2005-09-13 (주)비오더블테크놀로지 Method and System for Examining Network by Using PDA

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Publication number Priority date Publication date Assignee Title
JP2000357135A (en) 1999-06-15 2000-12-26 Fujitsu Ltd Supervisory control method for network equipment
KR100705595B1 (en) * 2006-01-27 2007-04-09 삼성전자주식회사 Apparatus and method of network access state checking in network terminal

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