All Questions
Tagged with scalaunit-testing
14 questions
7votes
1answer
179views
Readable unit test - lists of complex objects
Goal: Writing more readable tests. I have a couple of functions, which basically merge and converts two lists of Datasets together, written using Scala and Spark. Each of these Datasets has a lot of ...
- 191
5votes
1answer
264views
Scala Docx generator from CSV input, using the docx4j library and Scala Swing
I am working on an application which takes as input a CSV file containing a list of attributes and a .docx template containing variable names equal to the columns ...
- 53
5votes
1answer
249views
Bowling game Kata in Scala - pattern match
This is a functional approach to problem described by standard Bowling Game Kata - to implement the rules of calculating a score in a bowling game. The inspiration was the implementation by Uncle Bob: ...
2votes
1answer
1kviews
Hamming distance in Scala
Problem Write a program that can calculate the Hamming difference between two DNA strands. GAGCCTACTAACGGGAT CATCGTAATGACGGCCT ^ ^ ^ ^ ^ ^^ Code ...
- 5,137
2votes
1answer
990views
5votes
3answers
189views
Nucleotide count in Scala
This is my second day in learning Scala and I still need to develop a taste of functional programming, I often find myself doing imperative coding. Below is the result of my TDD practice. Code ...
- 5,137
6votes
2answers
618views
String Calculator Kata in Scala
This is my solution of string calulator kata in scala(i'm new of tdd). I'd like a general review of this. String Calculator Create a simple String calculator with a method int Add(string ...
- 71
4votes
1answer
302views
White box input stream for creating test scenarios
I need to test a specialized input stream class that takes input from a TCP/IP network connection. I particularly need to ensure that the blocking and availability behavior is correct. To help me ...
- 4,737
5votes
1answer
432views
Safe cracker string with all combinations
Imagine a safe with a 4-digit code, and accepting a continuous stream of code entries, such that when the 4 digits are seen in the right sequence, the safe opens. Generate a short string that contains ...
- 112k
4votes
1answer
323views
Find minimum number of coins (count and list of coins too)
For a given set of denominations, you are asked to find the minimum number of coins with which a given amount of money can be paid. Assume that you can use as many coins of a particular denomination ...
- 112k
11votes
2answers
5kviews
Sqrt (square root) function
As an exercise in learning Scala, I implemented a square root function like this: ...
- 112k
5votes
2answers
3kviews
Reading and parsing CSV files
This is my first real attempt at a Scala program. I come from a predominantly Java background, so I'd like to know if the program sticks to Scala conventions well. Is it well readable or should it ...
- 196
3votes
0answers
924views
Testing Scala code which depends on objects
I am writing a small oauth2 library for Play! 2.1 scala. As I am still learning I got stuck trying to TDD and ended up writing the code first, then refactoring for testability. By testability I mean ...
- 528
16votes
1answer
591views
TDD and function injection
I'm trying to come up with a scalable way of TDD'ing my Scala code, in particular managing dependencies. In this example, I've TDD'd part of the classic river crossing problem where we have people on ...
- 211
