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Questions tagged [unit-tests]

Unit testing is a method by which individual units of source code are tested to determine if they are fit for use. A unit is the smallest testable part of an application.

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4
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3answers
118 views

Determine most depended-on code

Another title might be: determine strongest candidates for 100% test coverage. I'm looking for a tool that will display the methods/functions that are most depended on by my code base. To be clear, I'...
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1answer
140 views

Random code changes - terminology and tools

Someone told me that the unit tests are good when you change something in the code under test, and the tests detect it (they fail). The changes can focus on introducing common errors, like off-by-ones,...
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2answers
61 views

Best practice guide for documenting unit tests?

A set of a unit tests for a project 3+ years old, now fail. It seems the tests themselves have become out of date, and I've wasted time trying to find non existent bugs. To prevent this happening ...
0
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1answer
39 views

What is Travis CI usage beyond unit tests and UI tests?

I'm learning iOS development, and started learning Travis CI. Currently, I have it testing unit tests and UI tests, I understand how this can be helpful for a team working on the same project, but ...
5
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1answer
78 views

Equivalence classes for password strength meter

As an example of password strength meter I use the code from GitHub. Firstly, it calculates the score by adding or deducting points according to the length, whether a password contains numbers, chars, ...
3
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1answer
60 views

What should be unit tested in an API client?

I've been reading about unit testing day in, day out for a few days and the more I did, the more frustrated I became. The System Under Test is essentially a client calling external APIs that take XML ...
3
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2answers
116 views

Testing internal dependencies - inject a mock of itself, or refactor into new class?

I've been given the task of refactoring some legacy code, the main reason is to add unit tests (but I'm a firm believer that testable code is better code, so we're trying to reduce technical debt too)....
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1answer
50 views

Unit testing for chains of generators in Python

I want to write unit tests for methods that take a generator as input and produce a generator. I am building on this answer. For this question let's take the method: def candidates_for_deletion(self,...
31
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4answers
2k views

Developing Unit Tests While Refactoring Legacy Code?

I have a big code library that I need to refactor in order for it to fit more nicely together (one big problem is there aren't clear enough boundaries between each component). Since there will be ...
0
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3answers
84 views

How to provide Product Owner with estimates for unit testing?

"How long does it take his developer to write a unit test?" This is exactly the question the project owners keep asking me. The question is not actually how long it takes to write the unit test, but ...
0
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1answer
38 views

Should unittest assertion values be hardcoded or can they be references to source code variables?

Heavily simplified example that I'm trying to make language agnostic: I have an XmlView Object that has a constant property FACTORY_NAME labeled "factory" and a constant property VIEW_NAME labeled "...
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3answers
100 views

Developers don't write enough or good unit tests, how to address?

Many developers still not seem to the the value and need for unit tests. What might be are the reasons for this so we can address it?
4
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1answer
77 views

Correct aproach to test this method

Overview: The problem I'm trying to solve is - I have some canceled orders in my database that I need to call a government WebService to disable the fiscal numbers associated with these orders. The ...
2
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1answer
49 views

Testing a function where the output is mostly relying on helper functions

Let's say I want to test this function: foo(input){ a = bar(input) if(a) return baz(0) return baz(1) } (pseudocode) I want to test foo in isolation, so i mock bar and baz, but if I ...
2
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7answers
215 views

Should developers design unit based test cases prior to writing the tests

Background We are currently moving API testing from the Technical testing team to the development team. The technical testing team has a formal process where they write the test objectives and test ...
1
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1answer
89 views

Writing different tests for different environments

We didn't implement automated deployment yet to our Angular 7 project, so environment-based variables (e.g baseUrl) are changed manually, causing the application to crash after deployment a lot due to ...
0
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1answer
46 views

Eclipse C++ Unit Testing without Unit Testing framework

I am looking for some ideas on how to implement a Unit Test framework without any existing unit test tools like Google Test Runner. I am on a closed network without internet access and so whatever ...
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3answers
494 views

Unit Test - Testing API Methods

I was reading the following article Unit testing an API This article is about unit testing an API and the methods on a class through the interface. What I do not seem to grasp is the fact that in my ...
2
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1answer
51 views

Should I write unit tests when the json schema is validated by a 3rd party library

I have some json data and I would like to validate the data against a defined json schema. I'm using the ajv library for the validation. On the json schema, there are constraint you can specify like ...
0
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1answer
114 views

Test Impact Analysis tool for Python

Is there a Test Impact Analysis (TIA) framework/tool/extension for Python? E.g. an equivalent to JAVAs Test Impact Analysis Plugin for jQAssistant?
5
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2answers
262 views

Automated testing of single page app

I'm working on a single page app and looking into automated testing of the application. The GUI is generated only from JavaScript + css (document.createElement…) All data communication between server ...
0
votes
1answer
216 views

How can I use Sequential attribute with TestCaseSource in nUnit?

I'm new to unit testing and nUnit in general and I'm not sure what I'm trying to do is possible or if I'm using the right syntax (in C#). I want to pass for a test a collection of IEnumerable using ...
-1
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2answers
52 views

Do you test methods that return queries from the database?

I just want to know if you test the output of a query with unit testing. Is this considered good practice? For example you have a method getUsers() getUsers(){ // Overly simplified return ...
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4answers
193 views

How unit testing helps QA testers?

I've faced this question in an interview..But I couldn't answer it well... Actually, I don't know the exact and professional answer for this one...Can anyone please help
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1answer
52 views

How to plan penetration testing in agile development?

Of course, as is well known, we plan of course Unit Test (in my case Junit) in the sprint, we have with QfS a GUI / Acceptance Test Framework which we plan accordingly in the sprint. The question but ...
7
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4answers
8k views

Is there any framework for UI automation testing for Unity3D?

Does anyone know any framework that is compatible/integrated with Unity3D? I'm interested in Unit, Integrated and UI testing.
4
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1answer
45 views

Design test class dependent on current datetime, 24 hours a day, seven days a week

I need to create a test to verify my NewBusinessDateTime.calculate(Integer hoursToAdd) works. The sudo code of what calculate() does is: IF currentDateTime.addHours(hoursToAdd) IS WITHIN BUSINESS ...
4
votes
1answer
60 views

Looking for examples of scenarios (types of code) which are ideal for unit testing

I was looking for some correct examples of when people did unit testing (specific scenarios of when unit testing was implemented) The term Unit Testing seems to frequently be used incorrectly. I am ...
2
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1answer
259 views

How to properly mock dependencies

My code is organized as several independent classes. Each dependency is injected by a setter, so in the end I create instances of classes B and C, set their parameters and inject them to class A. Now ...
1
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1answer
84 views

Importance of having tests in home test assignments when applying for a new job

I've been a part of the interviewing process for Software Engineering positions (including QA engineers as well) in our team for the past several years and I am still struggling to determine my ...
1
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0answers
31 views

Jasmine, how to test a return?

I'm writing some unit tests for our Angular application. In a few instances, we have some code that is like the following. public submit(): void { if (!this.selectedValue) { ...
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6answers
288 views

Will writing unit tests block developers from coding?

We are about to implement TDD in our software company and we met some serious questions. As you know, this is the TDD life cycle: Add a test Run all tests and see if the new test fails Write the ...
4
votes
1answer
52 views

Use tested class during test setup and assertion? (Errors cancel out each other…)

This is a general question that affects lots of my unit tests as I just recognized: Can I use the class I'm unit testing to perform setups in my test cases? Here's a simplified version of the ...
4
votes
1answer
136 views

What is best practise for Data Contract management?

We are implementing a testing framework, covering areas like mentioned in this SE article. But in addition, as part of unit testing (probably), we want to perform data contract testing. The database ...
13
votes
3answers
2k views

Test strategy to bring automated tests from UI to lower(API/Unit) layers?

Background/Problem Statement: Recently I came across a project team, which is having thousands of UI automated tests covering all kind of manual tests including positive, negative etc., and obviously ...
2
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1answer
298 views

Automated test generator

After a long road with Randoop.NET as a unit test suggestion tool, my developing team has decided to upgrade to a commercial tool which will provide us a full unit testing framework for professional ...
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4answers
63 views

How do you initially script/debug the long automated end to end UI tests?

Background: In the long end to end UI automated tests, one needs to execute multiple times during initial scripting/debugging and later for maintenance/fixing which takes a lot of time as a test might ...
4
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2answers
2k views

python unittest trying to run setUpclass

I am on a website where you login, then search for course, click on course and then it lands on the Credit card page, since its just one course and is common and I am just trying to run DDT on CC ...
5
votes
1answer
8k views

Try Assert Exceptions not failing test in python unittest or better way to loop through failures

Okay I am running Chromedriver test that gathers console logs and then tests an assertion against pythons unittest. class ConsoleLogsTest(unittest.TestCase): @classmethod def setUpClass(cls)...
3
votes
1answer
233 views

What kind of Software testing(Black-box or White-box) is done by django testcase classes?

In my django application, i haven't use model for database. I have traditional way of doing it, that is by mysql server and client. I have used MySQLdb for database access. Also in my django views, ...
0
votes
1answer
35 views

Creating a real file in a unit test?

I'm responsible strictly for documenting and unit-testing a Golang project. In the part of the SUT I'm currently on, a real file, identified by a file path, is being checked for its "Last modified by" ...
10
votes
5answers
137 views

How to handle “fake” unit tests that don’t really test anything?

I’m a part of a large software project which is supposed to use TDD. There are maybe 90 devs across the world. Upon review of tests for software components, I determined that a significant number of ...
2
votes
1answer
634 views

Running python selenium test as suite

I have a simple test suite defined as below from unittest import TestLoader, TestSuite, TextTestRunner from TestScripts.LogOn import test_1 from TestScripts.FirstLog import test_2 if __name__ == "...
1
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0answers
53 views

Consumer-driven Contract Testing

I've just come across the term consumer-driven contract testing and, working as a QA, was wondering a few things: 1) what does this actually mean in laymans terms? 2) who would generally execute ...
4
votes
1answer
245 views

What to use for user acceptance testing for a single page application?

The app uses a javascript framework to update the single page. Ajax is used for data updates How I can automate user acceptance testing for it? Usually I use selenium through through the capybara ...
0
votes
1answer
51 views

How to solve the unit tester's dilemma

I'm working on testing an API server SDK written in Golang. My literal job on this is solely unit-testing, documenting the code under test, and of course reporting any fails with the rest of the dev ...
0
votes
1answer
210 views

Running test suite from both terminal using pytest and unittest runner but show only unittest runner results and execute once

i am trying to execute my following test suite: import unittest from Login_Page import LoginPageAndLogout def test_suite(): # get all tests from classes login_test = unittest.TestLoader()....
5
votes
1answer
92 views

How to test code, that depends on file system errors?

I am developing a lib for a Linux project that stores files using boost::serialization. Because the files might be very large (1-50 GiB) and the program might fail writing them at some point (we are ...
1
vote
1answer
2k views

How to fail NUnit test by default (I want to call Assert.Pass when it should pass)

I have medium level experience on unit testing and now I'm learning about NUnit. As far as I can see, a NUnit test passes by default if you don't call Assert.Fail method. In my test case, I want it ...
2
votes
2answers
523 views

How to perform “front end unit testing” of Single Page Applications?

"Front-end Unit Testing": To test the client side validations from front-end UI tests but in isolation(hence calling unit tests). By isolation mean, testing static HTML pages to avoid unnecessary ...