6,138 questions
-1
votes
3
answers
125
views
My class doesn't generate a Fibonacci sequence properly
I'm trying to make a class that generates a Fibonacci sequence. My two modules are below, the fibonacci.py module and the test_fibonacci.py module. The first two tests pass but the third one seems to ...
- 21
0
votes
0
answers
33
views
How can I use the same test_helper function in integration tests and unit tests in rust?
So I have an integration test /tests/my_test.rs and a unit test in /src/some_module/function.rs. If I create a test helper in
/tests/test_helper.rs
pub struct TestHelper {
}
impl TestHelper {
fn ...
- 934
0
votes
2
answers
55
views
How to test debouncing logic
I'm trying to use TDD to build a search view model that debounces before searching. Until recently I would have created a mock debouncer, injected it into my view model and used that to control the ...
- 685
1
vote
1
answer
35
views
Why is Karate scenario and scenario outline generating parantheses before the name?
Am using a simple Karate runner to run my features. But the karate html output is generating my scenario thus. Its adding the [1:1:22] as prefix to the Card is not used scenario name. How can i remove ...
- 319
2
votes
1
answer
56
views
Angular testing: Error: NG0304: 'mat-form-field' is not a known element (used in the 'SignInComponent' component template)
Im trying to do a small app with TDD.
When i run npm test following error occurs:
Error: NG0304: 'mat-form-field' is not a known element (used in the 'SignInComponent' component template):
If 'mat-...
- 21
0
votes
2
answers
75
views
TDD process when you know the implementation of a new feature overlaps a previous one [closed]
I just solved this puzzle using TDD:
https://adventofcode.com/2015/day/6
I started with turnOn function and implemented like this(F#):
let turnOn (startx, starty) (endx, endy) (grid: bool[,]) =
...
1
vote
0
answers
34
views
Best approach for doing Test-Driven Development with Kernel Mode Windows driver
I have an existing kernel-mode device driver that implements a installable file system (IFS) for Windows. As there are several parts of the driver that should not require operating inside the kernel ...
- 1,489
0
votes
1
answer
55
views
How to TDD and fully test templated code that takes variadic number of arguments and which has specializations without code duplication in the tests?
Let's say I want to write a function that returns sum of passed positive numbers. Just returns 0 if I don't pass any.
And I decide that I want to pass arguments just as a list of arguments and as a ...
- 1,214
1
vote
2
answers
59
views
TDD, Unit Test and mocks injection: What about the Single Responsability principle?
I'm writing a Unit Test for a Class (CustomHttpClient) that internally uses a library (java.net.http.HttpClient) to make an external HTTP call.
Being it a Unit Test, I would mock the internal ...
- 91
-1
votes
1
answer
109
views
How to set an EXPECT_CALL to a mock object that is just created?
Here is my situation with testing. There is a note in googletest that EXPECT_CALL’s must be set first before the calls on mock methods (https://google.github.io/googletest/gmock_for_dummies.html#...
1
vote
1
answer
54
views
Maintaining test isolation and not testing implementation with API wrappers
I'm new to Test Driven Development and I've been thinking about how to test some API wrappers which perform modifications on the received data so it complies with my own custom format. I ran into an ...
- 121
1
vote
1
answer
162
views
Can I write one expectation in RSpec which demands a method is called only once with specific arguments?
I'm just finishing my first year writing production code in Rails, and I'm not really stuck here, but the non-rubyness of what I'm experiencing is weird, and I wanted to see if anyone had this problem....
- 11
0
votes
0
answers
66
views
Stubbing requests in ActiveJob for jobs enqueued by other jobs using Rails, Rspec, and WebMock
I'm writing tests for a Job in my Rails app. When the Job receives over 500 messages, it enqueues other jobs to handle the messages. When it receives less than 500 messages, it handles the messages ...
- 1,075
2
votes
1
answer
119
views
Mock EncryptAsync method and return EncryptResult from Azure.Security.KeyVault.Keys.Cryptography
I am trying to mock the functionality of the EncryptAsync method in Azure.Security.KeyVault.Keys.Cryptography.CryptographyClient.
This is the method I am trying to cover in my unit test.
public ...
- 33
1
vote
1
answer
71
views
Encapsulation in Typescript for export functions
I am new to Typescript, but with my JAVA Knowledge, I believe exporting functions breaks Encapsulation principles.
for example:
hello.ts
** Below method will be called from outside ***
export const ...
- 67
0
votes
1
answer
28
views
TDD when DDD with lots of dependency in information model
The system is designed with entities for each of the business elements. Each entity is represented as a class with methods for its behavior and property for its data. We map the entity to the database ...
- 51
0
votes
3
answers
395
views
Testing SwiftData models in test target, "failed to find a currently active container"
I'm building out a SwiftData model in the preliminary stages of app development. I'm using test-driven development (tdd) to iterate on the model and iron out kinks prior to integrating the model into ...
- 34.9k
1
vote
2
answers
111
views
How do unit tests work in test-driven development?
I've been thinking a lot about unit tests today and I got a bit puzzled as to how exactly unit tests are created during the test-driven development (TDD) process. (To be clear, a unit test for me is ...
0
votes
1
answer
51
views
Is there a boilerplate template for a TDD approach in Django-Python
I’m working on a side a project while trying to discipline myself to get accustomed to the TDD approach in Django.
I'm not sure why I’m running into this failed test
(venv) osahenru@osahenru ~/D/q-4&...
- 33
0
votes
0
answers
103
views
How to mock web3 method call
How would one mock this call to a ethereum smart contract using the web3 js library.
export const getERC20Balance = async (
web3Client: Web3,
tokenAddress: string,
walletAddress: string
) => {...
- 1
3
votes
1
answer
322
views
@DataJpaTest & @SpringBootTest querying src/main/resources database instead of src/test/resources database
Im trying to thoroughly understand Spring Boot, especially testing.
I want all tests to run against the database in application.properties inside src/test/resources regardless of the active profile. ...
- 248
3
votes
1
answer
172
views
How can I return self from a method mocked using mockall?
Given the following test context which makes use of the mockall library, how can I satisfactorily return a reference to cmd that will allow me to make assertions about subsequently chained method ...
- 10.3k
0
votes
1
answer
38
views
Should I add the nupkg dependencies of the Assembly of the SUT to the Test Project as well?
I'm relatively new to writing unit tests. I ran into this scenario while writing unit test cases in .NET 8,for azure functions.
Project 1 - ABC.Functions
Project 2 - ABC.Functions.Test
I have added ...
- 23
2
votes
2
answers
327
views
Testing DAO Methods in Java: Fake Implementations vs. In-Memory Databases
I’m currently working on a Java project using Java 17, Dropwizard, and JUnit 5, and I’m focusing on improving my unit tests and adopting Test-Driven Development (TDD) practices. My application ...
0
votes
0
answers
74
views
Unable to consume message - MassTransit with ActiveMQ Artemis
public class MessagePublisher : BackgroundService
{
private readonly ILogger<MessagePublisher> _logger;
private readonly IBusControl _busControl;
private readonly IMessageIcd ...
- 11
0
votes
0
answers
89
views
Make a Unit Test E2E for Blazor Web App in .NET 8 Backend
How can make TDD for a Blazor Web App in .NET 8, how can test my backend API? Any idea how write E2E tests?
Thanks.
- 309
0
votes
0
answers
43
views
I'm having this error in my app ruby on rails
StandardError
Directly inheriting from ActiveRecord::Migration is not supported. Please specify the Active Record release the migration was written for:
class AddAttachmentImageToPosts < ...
- 11
0
votes
1
answer
592
views
Setting up/using a session in a phpunit test
I have a simple class that wraps around serializing/deserializing an array of objects and adding them to the session and I want to test it.
The errors I've gotten are
the there is no session ...
- 165
1
vote
1
answer
778
views
Unit test framework for .net maui hybrid blazor app with .net 8 and target Android and Windows
I just wondered which unit test framework to use in a .NET MAUI Blazor Hybrid app with multiple targets like Android and Windows.
I already tried nUnit and xUnit, but it is not working out of the box. ...
- 63
2
votes
0
answers
175
views
CMock's behaviour for IgnoreAndReturn
I am currently trying to understand the intricacies of CMock's IgnoreAndReturn feature.
This is the function under test
void USBDriver_Exec(void)
{
uint8_t Val;
// When ...
- 182
0
votes
0
answers
269
views
Testing Cerner CCL Query Data with Oracle's Unit Testing Framework
I've been looking for a unit-testing framework for Cerner CCL (now with Oracle), and it looks like one does exist here:
https://github.com/cerner/cclunit-framework/blob/main/doc/CCLUNITTESTS.md
For ...
- 765
1
vote
3
answers
131
views
Why should I use triangulation instead of just randomized values in my tests?
Since I started learning and using TDD I was wondering something about the "triangulation technique": why bother writing multiple tests when we could write one that use randomized values?
...
- 113
1
vote
0
answers
83
views
Is Test Driven Development possible in jetpack compose?
Is TDD (Test Driven Development) impossible since testing compose requires that the UI to be tested already exists?
Or are you creating a FakeScreen and testing it?
- 21
0
votes
1
answer
109
views
Rails tests are passing but server refuses to start on production due to syntax error [closed]
This is one weird issue I am facing. All the test cases are passing on the CI/CD but there's a syntax error in one of the files.
And when this changes goes to production the server refuses to start.
...
- 9,441
0
votes
0
answers
33
views
The non-nullable local variable 'mockLoginRespository' must be assigned before it can be used
I am trying to develop my app using Clean TDD (Test Driven Development) Architecture. For the login feature , I am writing the test case as follows:
import 'package:dartz/dartz.dart';
import 'package:...
- 11
1
vote
2
answers
162
views
Unittest in according to TDD on Palindrome
I'm student at QA and now I try to write a palindrome code in Python based on TDD and unittest.
I tried to write the code and it is functional but it doesn't work in according to assertTrue, also I ...
- 11
0
votes
2
answers
167
views
Is there a simple way to invert a test or test group?
Assume you have written a failing test to exploit a bug. You want to push this to upstream and then create a story that is about fixing the code so that the test passes. However, this is prevented by ...
- 31.2k
1
vote
0
answers
52
views
How would you develop a function for API response parsing using TDD?
I just read "Test Driven Development: By Example" by Kent Beck, and I am trying to apply it on my current project.
Given an API response I need to extract information from it. API response ...
- 378
0
votes
1
answer
237
views
Ignore the rest of a function after asserting that a function is called in python
In Python, we want to assert that a function is called when calling another function. However, we want to ignore the execution after calling the required function. This necessity appears when we don't ...
- 17
0
votes
2
answers
70
views
How to verify that a specific method was called with this parameter or another parameter using mockito?
How to verify that my sendMessage method is called with Msg.SAVE or with Msg.UPDATE using mockito's verify method.
@Service
public class CustomerService {
private final CustomerRepository ...
- 335
-1
votes
3
answers
472
views
How to write a test case to check if numbers in an array are unique when the array is created randomly?
I'm writing a specification for a lottery function that should create an array of seven (random) numbers between 1 and 49. The numbers in the array must be unique, a result like [1, 2, 3, 4, 5, 6, 6] ...
1
vote
2
answers
85
views
What am I doing wrong in bdd / gherkin?
I'm learning about BDD, Behavior-Driven Development, and while I caught the "idea" of having examples of the system's behavior, which we can execute and through which we can develop it, I'm ...
- 31
1
vote
2
answers
123
views
How to unit test your Abstract data type without getters and setters in C?
I am currently trying to refactor some of my embedded C code and am trying to apply what James W. Grenning is recommending in his Test-Driven Development for Embedded C book. For this, I am dividing ...
- 262
1
vote
0
answers
65
views
How to write Table Driven Development test?
I am trying to write TDD for the following code. But, I cant able to cover 100% coverage in my test code. Can anyone give me the correct code to cover my test?
The following codes are used to connect ...
0
votes
1
answer
175
views
Same tests for controllers and services in NestJS API (Test Driven Development)
I'm developing a NestJS-based API using Prisma and MySQL for the database. As I'm new to Test Driven Development (TDD), I want to start incorporating tests into my project. I have successfully written ...
- 17
0
votes
0
answers
86
views
Pytest - execute test case only if previous test case fails
I have two test cases test_A(a,b,c) and test_B(a,b,c) in a python file. I use parameterization ( metafunc.parametrize("a,b,c",[(a1,a2,a3),....(y1,y2,y3)]) to pass 6 set of parameters ...
0
votes
1
answer
143
views
How to do unit test on database connection function?
I have a Flask app that use this function to connect to DB server:
@contextmanager
def db_connection(name):
server = os.environ.get(name + '_SERVER')
database = os.environ.get(name + '...
- 514
1
vote
1
answer
76
views
What type of tests should I use for writing a test with TDD?
I come from a PHP (Laravel) background and have just switched to Python. I am a big fan of TDD and have previously been writing 'feature' tests. Now I am writing AWS Lambdas (which are making lots of ...
- 1,551
0
votes
1
answer
146
views
How do you test the each element inside String Array in java Junit5?
Let's say I have this following String Array
String[] expected = new String[]{"rock", "paper", "scissor"};
Sounds dummy, I am fairly new junit5, how do you do test ...
- 1
0
votes
0
answers
84
views
Chai assertion is passing even thought it should fail
I am fetching the array of objects "subscriptions" which should return me array with 3 subscriptions in it. But when I try to fail the test by asserting it with length 2, it passes. Is ...
