A Graphical User Interface (GUI) may be automatically tested using a test script that includes commands for a replay engine to interact with a GUI element such as an input button. The test script may automatically test a GUI that was generated in the source human language such as English. For example, the test script may include a command such as “press the button labelled ‘start search’.” Executing the test script may automatically cause the button labelled “start search” to be pressed. As such, the test script may enable automated testing of the GUI to ensure that GUI functionality has not been altered by any changes to the GUI or an underlying application that generates the GUI. However, if the underlying application is translated into another human language, the resulting GUI for the application may also be translated. Such translation may break the automated test script since the button labelled ‘start search’ no longer exists.
Features of the present disclosure may be illustrated by way of example and not limited in the following figure(s), in which like numerals indicate like elements, in which:
For simplicity and illustrative purposes, the present disclosure may be described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. It will be readily apparent however, that the present disclosure may be practiced without limitation to these specific details. In other instances, some methods and structures have not been described in detail so as not to unnecessarily obscure the present disclosure.
Throughout the present disclosure, the terms “a” and “an” may be intended to denote at least one of a particular element. As used herein, the term “includes” means includes but not limited to, the term “including” means including but not limited to. The term “based on” means based at least in part on.
The present disclosure relates to a system that may internationalize automated test scripts. For example, the system may automatically internationalize recorded test scripts from one human language (as opposed to a computer or software code language) to another human language so that an automated test script may be used to test a GUI that has been translated from a source human language to a target human language. In instances in which an underlying application that generates the GUI is translated into another human language, the resulting GUI for the application may also be translated. Such translation may break the automated test script since the button labelled ‘start search’ no longer exists (a translated counterpart button in the translated GUI exists but the script does not recognize the button, which is now labelled in a different language). This problem may occur whenever access to the underlying GUI code is unavailable to perform direct translations, such as for closed source client-side user interfaces, Hyper Text Markup Language (HTML) for which the source HTML is not available, and/or other GUIs for which the underlying code for the GUI may be unavailable.
The system facilitates internationalization of test scripts for GUIs where underlying GUI code is unavailable. For example, the system may use computer vision techniques such as Optical Character Recognition (OCR) on screenshots or other images of GUIs that were generated while recording an automated test script. The system may recognize text from GUI elements such as input buttons based on computer vision processing. The system may perform natural language processing (NLP) on the text to understand the meaning of the text (not just the literal words or phrases). NLP may mitigate machine translation errors. To locate a GUI element and associate the GUI element with any corresponding text, the system may remove text from the GUI element. This may help identify the boundaries of the GUI element. Based on the meaning of the text and boundary of the GUI element (as well as any other GUI element and corresponding text), the system may generate a test script in a source human language by observing and recording interactions with the GUI element made by a testing user.
When the GUI has been translated into another human language, the system may translate the text in the other human language via machine translation. The system may similarly process the translated text to understand the meaning of the translated text. The system may compare the meaning of the text in the new (second) language compared with the meaning of the text from the original (first) language. A match may confirm that the translation is accurate and that the original GUI element and the translated GUI element are the same. The foregoing may be repeated for each GUI element in the GUI. A translated test script may be generated based on the translations and the confirmations. The techniques disclosed herein not only facilitate automatic internationalization of test scripts, but may also tolerate—due to the use of NLP—machine translation errors as well as text recognition errors resulting from OCR and other computer vision techniques,
As used herein, the terms “internationalizing,” “internationalize,” “internationalization” and similar terms refer to translating text from one human language to another human language. Such internationalization may be used in the context of translating an application and corresponding graphical user interfaces of the application from one human language to another human language. Similarly, such internationalization may be used in the context of translating an automated test script from one human language to another human language.
Reference is first made to
The apparatus 100 shown in
The apparatus 100 may include a memory 110 that may have stored thereon machine-readable instructions (which may also be termed computer readable instructions) 112-122 that the processor 102 may execute. The memory 110 may be an electronic, magnetic, optical, or other physical storage device that includes or stores executable instructions. The memory 110 may be, for example, Random Access memory (RAM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a storage device, an optical disc, and the like. The memory 110 may be a non-transitory machine-readable storage medium, where the term “non-transitory” does not encompass transitory propagating signals. Attention will now turn to operations at processor 102 to internationalize a test script.
Referring to
The processor 102 may fetch, decode, and execute the instructions 114 to obtain an image of the GUI based on the recorded test. For example, the processor 102 may access an image of a GUI 210A (illustrated in
The processor 102 may fetch, decode, and execute the instructions 116 to identify the first text in the image of the GUI. For example, the processor 102 may perform Optical Character Recognition (OCR) and/or other computer vision on the first text.
The processor 102 may fetch, decode, and execute the instructions 118 to process the image to remove the first text. For example, the processor 102 may detect a text boundary of the first text. The processor 102 may remove the first text based on the detected text boundary.
The processor 102 may fetch, decode, and execute the instructions 120 to detect the image feature of the UI element based on the removal of the first text. In some examples, the detected image feature is to be used to identify the UI element in the GUI. For example, the processor 102 may detect an image feature 241 (illustrated in
The processor 102 may fetch, decode, and execute the instructions 122 to generate an automated test script in the first human language based on the recorded test, information relating to the first text, and the image feature, in which the automated test script is to be internationalized for another human language. In some examples, the processor 102 may execute instructions to generate a second version of the automated test script to automatically test a second version of the GUI (such as GUI 210B illustrated in
The processor 102 may translate the second text from the second human language into the first human language and determine whether the translated second text corresponds to the first text. To translate the second text, the processor 102 may execute instructions to determine a distance between a first word or phrase in the second text and a second word or phrase in the second text. The processor 102 may group the first word or phrase into a first group and a second word or phrase into a second group based on the determined distance. The first group may correspond to the first text of the UI element. In this manner, the processor 102 may translate a grouping of words or phrases that may correspond to a GUI element based on the proximity of the words or phrases to one another.
The processor 102 may identify the UI element in the second version of the GUI responsive to a determination that the translated second text corresponds to the first text. To determine that the translated second text corresponds to the first text, the processor 102 may provide the first text as a first input to a natural language processor and obtain a meaning (used interchangeably herein with “intent”) of the first text as an output of the natural language processor. The processor 102 may also provide the second text as an input to the natural language processor and obtain a meaning of the second text as an output of the natural language processor. The processor 102 may then compare the first meaning with the second meaning to determine whether the translated second text corresponds to the first text.
In some examples, the processor 102 may replay the second version of the automated test script on the second version of the GUI. For instance, the processor 102 may execute, based on parsing the second version of the automated test script, a user interaction with the identified UI element in the second version of the GUI.
In some examples, the processor 102 may execute instructions to obtain a second image of the GUI. The second image may correspond to a second UI element having a second image feature, determine that the second UI element has no text, and detect the second image feature of the second U I element without text removal from the second image, in which the detected second image feature is to be used to identify the second UI element in the GUI.
A tester 201 may interact with the GUI 210A. For example, the tester 201 may press the GUI element 212A, which may be configured as a button labeled with text “submit search.” The tester 201 may interact with other types of GUI elements as well, such as an interaction with a GUI element 214A, which may be configured as a radio button associated with text (also in language A). User interactions may be recorded in a test script 251 in the first human language (language A), which will now be described.
In some examples, the script recording subsystem 200 may record the results (if any) of the interactions. For example, a result of an interaction with GUI element 212A may include navigating to another GUI (not illustrated), affecting a value or other aspect of another GUI element, and/or other outcome of an interaction with a GUI element. The script recording subsystem 200 may store the recorded interactions and/or results in a test script 251. The test script 251 may be in the first human language (language A) since the GUI 210A is in the first human language. In some examples, the test script 251 may be used as a set of commands to automatically test the GUI 210A. For example, a replay engine (not illustrated in
Although the use of test scripts such as test script 251 may automate testing of underlying code changes for applications made in a first human language, a problem may arise when an underlying application (such as application 203A) is internationalized to a second human language, resulting in a GUI (such as GUI 210A) also being internationalized to the second human language. Because the test script 251 is written in the first human language, the test script 251 may be unusable to automatically test the GUI internationalized to the second human language. For example, the replay engine may no longer be able to automatically execute the command “press the button labeled ‘submit search’” on the internationalized GUI because the replay engine may be unable to locate the “submit search” button, which is in another language in the internationalized GUI.
In some examples, the tester 201 may initiate generation of the test script 251. Responsive to such an indication, a screen grabber 220 may generate images 221 of the GUI 210A through screen scraping or an operating system display interface. Each image 221 may include an image of all or a portion of the GUI 210A at a point in time. For example, each image 221 may include an image of one, some, or all GUI elements 212A-218A. A collection of images 221 may represent a “video” of the tester 201 interacting with the GUI 210A over time.
An image 221 may be processed by an OCR engine 230 and a feature detector 240. The OCR engine 230 may recognize text from the image 221. The recognized text may correspond to text associated with a GUI element 212A-218A. For example, the OCR engine 230 may recognize the text “submit search” from the image 221. In some examples, the OCR engine 230 may make mistakes when recognizing text from images. To help reduce OCR misrecognition errors, the OCR engine 230 may be configurable to change fonts and other character features to recognize specific languages. Regardless, recognition mistakes may still occur. As such, in some examples, the recognized text from the OCR engine 230 may be input to a Natural Language Processing/Natural Language Understanding (NLP/NLU) engine 232. In some examples, the NLP/NLU engine 232 may employ the Natural Language Toolkit (NLTK).
In some examples, the NLP/NLU engine 232 may use semantic grammars 233A and/or dictionaries 235A, each of which may be in the first human language (language A) to disambiguate the text recognized from the OCR engine 230. For instance, the NLP/NLU engine 232 may compare a string of words from the recognized text to the semantic grammars 233A. In some examples the semantic grammars 233A may include pre-stored arrangements of words commonly found in the first human language (language A). For instance, the semantic grammars 233A may indicate that “search” has been found to follow “submit” in a corpus of documents or according to plain speech in the second language, but not (or less frequently) vice versa. The corpus of documents may include a generic predefined semantic grammar and/or a predefined semantic grammar that is based on text of actual known GUI elements. Whichever source is used, the semantic grammars 233A may disambiguate text that may have been misrecognized by the OCR engine 230.
In some examples, the NLP/NLU engine 232 may use the dictionaries 235A to similarly disambiguate text that may have been misrecognized by the OCR engine 230. For example, a dictionary 235A may include a listing of words in the first human language. The NLP/NLU engine 232 may use the listing of words to correct any misspelled words from the OCR engine 230. In particular, if the OCR engine 230 recognized “submii search” instead of “submit search”, the NLP/NLU engine 232 may correct such misrecognition based on the semantic grammars 233A indicating that “search” typically follows “submit” and/or based on the dictionary 235A indicating that the word “submit exists” but “submii” does not. It should be noted that the OCR engine 230 may also use the semantic grammars 233A and/or the dictionaries 235A prior to outputting recognized text as well.
The NLP/NLU engine 232 may output GUI element text 239 in the first human language (language A). For example, the NLP/NLU engine 232 may output “submit search” text based on processing of the images 221. Other text recognized from other GUI elements 214A-218A may be recognized and output as GUI element text 239 as well. The GUI element text 239 may be used to internationalize the test script 251 in the first human language (language A) to a second human language (language B), as will be described with reference to
In some examples, to locate a GUI element such as GUI element 212A on the GUI 210A, a feature detector 240 may identify image features 241 associated with the GUI element. An image feature 241 of a GUI element 212A-218A may include a shape or other visual characteristic of the GUI element that may be located on the GUI 310A. For example, referring to
The location information may include a bitmap or other location indication. In some examples, any corresponding text may make it more difficult for the feature detector 240 to identify the image feature 241 of a GUI element 212A-218A that embeds the text. In these examples, the feature detector 240 may use computer vision techniques to identify a text boundary 401 of the text (if any) of the GUI element 212A-218A. For example, the feature detector 240 may use Maximally Stable Extremal Regions (MSER) and/or other feature detection techniques to identify the text boundary 401 of the text. Based on the text boundary 401, the feature detector 240 may remove the text from the GUI element 212A-218A and identify the image feature 241 of the GUI element 312A, as illustrated in
It should be noted that the apparatus 100 illustrated in
When a test script 251, GUI element text 239, and image features 241 have been generated or otherwise detected from the GUI 210A and its associated GUI elements 212A-218A, the GUI 210A may be automatically tested in the first human language (language A). For example, a replay engine (not illustrated in
For example, a developer 301 may internationalize application 203A (illustrated in
For example, the test script converter subsystem 300 may access each interaction encoded in the test script 251. If the accessed interaction includes an interaction with a GUI element that does not have corresponding text, the test script converter subsystem 300 may add the interaction to the test script 351B being generated. This is because a replay engine, such as replay engine 360, may be able to replay the interaction as-is without any text translation. On the other hand, for interactions with GUI elements having corresponding text, the test script converter subsystem 300 may identify the corresponding (translated) text in the second human language (language B) that appears in the GUI 210B, and update the test script 351 accordingly.
Continuing previous examples, the test script converter subsystem 300 may access, from the test script 251, the interaction indicating that the “submit search” button was pressed. As previously noted, the replay engine 360 will not be able to replay this interaction because the GUI 210B may be translated to the second human language (language B). The test script converter subsystem 300 may identify all of the GUI elements 212B-218B in GUI 210B associated with text in the second human language (language B) and match them with the interactions accessed in test script 251. For example, the test script converter subsystem 300 may identify a GUI element 212B corresponding to the “submit search” button so that the test script 251 may be revised to indicate that the replay engine 360 should automatically press the corresponding GUI element 212B. It should be noted that the foregoing and following process illustrated in
In some examples, the screen grabber 220 may generate images 321, which may be similar to the images 221 illustrated in
An OCR engine 330 may recognize text from the images 321, similar to the way in which the OCR engine 230 illustrated in
In some examples, the text in the second human language (language B) may be input to a machine translator and text grouper 332. The machine translator and text grouper 332 may group the text in the second human language into groups based on relative distance between each item of text. For example, referring to
The machine translator and text grouper 332 may translate the grouped text from the second human language (language B) to the first human language (language A). In some examples, the machine translator and text grouper 332 may translate the text before grouping.
In some examples, the machine translator and text grouper 332 may make translation errors, which may be tolerated based on NLP/NLU operations of the NLP/NLU engine 232. For example, the NLP/NLU engine 232 may determine a meaning of the translated text, similar to the manner in which the NLP/NLU engine 232 determined a meaning of text described with respect to
The intent comparator 340 may compare each GUI element text 339, each of which may correspond to a GUI element 212B-218B, and compare the GUI Element text 339 to the GUI element text in the test script 251. Continuing the previous examples, the intent comparator 340 may compare the GUI element text 339, “process search”, with an interaction with “submit search” found in the test script 251. The intent comparator 340 may determine that the intents are the same or similar and therefore may be used interchangeably for automated test purposes.
The intent comparator 340 may make the determination in various ways. For example, the intent comparator 340 may generate a match score. The match score may indicate the similarity of the letters, characters, and/or words between the GUI element text 339 and text from test script 251 that refers to a GUI element. The match score may be compared to a threshold match score. To generate the match score, the intent comparator 340 may make a literal comparison by determining an edit distance between the letters, characters, and/or words between the GUI element text 339 and text from the test script 251 that refers to a GUI element. The edit distance may be a measure of similarity or dissimilarity of two strings of text. For example, the edit distance may include a measure such as a count of the transformation operations that may be required to transform the GUI element text 339 to the text from the test script 251 that refers to a GUI element (or vice versa). In these examples, the match score may be based on (such as include) the edit distance. Alternatively, or additionally, the intent comparator 340 may generate the match score based on semantic grammars or other intent definitions to determine whether one phrase, such as “submit search” is similar in intent to another phrase, such as “process search.” The intent comparator 340 in these examples may assign a match score based on the similarity match.
If the intents are the same or similar, the intent comparator 340 may update the identification of the corresponding GUI element in the test script 251 to use the GUI element in the second language with the matching intent. For example, the intent comparator 340 may replace the “submit search” GUI element text in the first human language of the test script 251 with the text in the second human language that was translated by the machine translator and text grouper 332 to “process search.” The test script converter subsystem 300 may repeat the similarity comparison for each GUI element in the test script 251. In this way, a replay engine may be able to locate the appropriate GUI element in the GUI 210B.
It should be noted that in some examples, the NLP/NLU engine 232 may analyze the text prior to translation back to the first human language. In these examples, the NLP/NLU engine 232 may use semantic grammars and/or dictionaries that are in the second human language (language B). Further in these examples, after determining the intent of the words based on NLP/NLU engine 232, the machine translator and text grouper 332 may translate the determined intent to the first human language.
It should be further noted that the apparatus 100 illustrated in
Various manners in which the apparatus 100 may operate to internationalize test scripts are discussed in greater detail with respect to the method 500 depicted in
As shown in
At block 504, the processor 102 may obtain an image of a second version of the GUI in a second human language.
At block 506, the processor 102 may translate a second word or phrase of the second version of the GUI into the first human language based on the image.
At block 508, the processor 102 may determine that the translated second word or phrase corresponds to the first word or phrase. For example, the processor 102 may determine a first meaning of the first word or phrase and a second meaning of the second word or phrase based on natural language processing, compare the first meaning and the second meaning, and determine a match score based on the comparison, in which the determination that the translated second word or phrase corresponds to the first word or phrase is based on the match score. For example, the match score may include a match score generated by the intent comparator 340 illustrated in
At block 510, the processor 102 may identify the UI element in the second version of the GUI responsive to the determination that the translated second word or phrase corresponds to the first word or phrase.
At block 512, the processor 102 may generate a second version of the automated test script in the second language based on the identification of the UI element.
In some examples, the processor 102 may replay the second version of the automated test script to automatically test the second version of the GUI. For example, the processor 102 may interact with the identified UI element in the second version of the GUI.
Some or all of the operations set forth in the method 500 may be included as utilities, programs, or subprograms, in any desired computer accessible medium. In addition, the method 500 may be embodied by computer programs, which may exist in a variety of forms. For example, some operations of the method 500 may exist as machine-readable instructions, including source code, object code, executable code or other formats. Any of the above may be embodied on a non-transitory computer readable storage medium. Examples of non-transitory computer readable storage media include computer system RAM, ROM, EPROM, EEPROM, and magnetic or optical disks or tapes. It is therefore to be understood that any electronic device capable of executing the above-described functions may perform those functions enumerated above.
The machine-readable instructions 602, when executed by the processor, may cause the processor to obtain a first image of a first user interface (UI) element of a GUI, the GUI being in a first human language and the first image having a first word or phrase in the first human language.
The machine-readable instructions 604, when executed by the processor, may cause the processor to identify the first word or phrase of the first UI element based on the first image. To do so, the machine-readable instructions 604, when executed by the processor, may cause the processor to apply a Maximally Stable Extremal Regions (MSER) feature detector to the first image, and identify a boundary of the first word or phrase of the first UI element based on the applied MSER. In some examples, the machine-readable instructions 604, when executed by the processor, may cause the processor to correlate the identified first word or phrase with the first UI element. To do so, the machine-readable instructions 604, when executed by the processor, may cause the processor to apply a Scale-Invariant Feature Transform (SIFT) feature detector to the first image, identify an image feature of the first UI element based on the applied SIF, and store an association between the first word or phrase and the image feature of the first UI element.
The machine-readable instructions 606, when executed by the processor, may cause the processor to generate an automated test script in the first human language based on the first word or phrase and the first image,
The machine-readable instructions 608, when executed by the processor, may cause the processor to obtain a second image of a second UI element of the GUI, the GUI being in a second human language and the second image having a second word or phrase in the second human language,
The machine-readable instructions 610, when executed by the processor, may cause the processor to translate the second word or phrase into the first human language,
The machine-readable instructions 612, when executed by the processor, may cause the processor to determine that the translated second word or phrase corresponds to the first word or phrase.
The machine-readable instructions 614, when executed by the processor, may cause the processor to determine that the second UI element corresponds to the first UI element responsive to the determination that the translated second word or phrase corresponds to the first word or phrase.
The machine-readable instructions 616, when executed by the processor, may cause the processor to generate a second version of the automated test script in the second language based on the determination that the second UI element corresponds to the first UI element. For example, machine-readable instructions 616 may cause the processor to replace the first word or phrase of the first UI element in the test script with the second word or phase in the second language.
In some examples, non-transitory machine-readable storage medium 600 may include further instructions that, when executed by the processor, cause the processor to identify a UI element not associated with text in the first image, identify, in the first test script, a command that corresponds to the UI element not associated with text, and copy the command into the second test script. In this manner, any command in the first test script that is associated with an interaction with a GUI element that does not include text may be retained in the second version of the test script without having to make a translation.
Although described specifically throughout the entirety of the instant disclosure, representative examples of the present disclosure have utility over a wide range of applications, and the above discussion is not intended and should not be construed to be limiting, but is offered as an illustrative discussion of aspects of the disclosure.
What has been described and illustrated herein is an example of the disclosure along with some of its variations. The terms, descriptions and figures used herein are set forth by way of illustration only and are not meant as limitations. Many variations are possible within the spirit and scope of the disclosure, which is intended to be defined by the following claims—and their equivalents—in which all terms are meant in their broadest reasonable sense unless otherwise indicated.
Filing Document | Filing Date | Country | Kind |
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PCT/CN2019/077496 | 3/8/2019 | WO | 00 |