5 Lessons Learned: Development

Understanding Cyclomatic Complexity And Finding The Best Tool To Decipher It

The complexity of code or function is what you call a cyclomatic complexity. This is based on the fact that the more complicated a code is, the more it needs to be tested since it is less reliable. It is like counting each of the possible branch points in your code.

Thomas McCabe developed the cyclomatic complexity in 1976. There are some individuals who call it program complexity, or as McCabe’s complexity. Today, it is still one of the most popular and meaningful measurements for analyzing code.

The cyclomatic complexity can be solved using CYC = E – N + 2P. Whereas, P is the number of disconnected parts of the flow graph such as a calling program and a subroutine. The E is the transfers of control or the number of edges. The N of the formula is for the number of nodes or the sequential group of statements containing only one transfer of control. Thus, deriving to the conclusion that the number of decisions + one.

The numbers that were derived can be used for length testing and breadth testing. Length testing is when you try to cover the whole concept by selecting the key test cases for each feature. Breadth testing is when you try out the entirety of a program but do not test the product features in detail.

Since cyclomatic complexity is not easily understood by everyone, there are many tools that can help you out with it. Here are the important things you should remember to help you decide which tool can help you out.

It is important that you make sure to read through the comments and reviews section of the website of the company offering the tool for cyclomatic complexity. This will help you learn more about the cyclomatic complexity tool since you will get a first-hand opinion from their previous and current clients. Check to see complaints and if they were resolved.

It is better if you choose a cyclomatic complexity tool that was designed to function for different clients from different industries. Ask their support staff what are the problems occurred during their work and how they were able to fix it.

Lastly, considering that the cyclomatic complexity tool is not free, you should conduct a canvas for each companies’ price quotations that offer them. Identify your budget and shortlist those who are able to meet it.

Note that the most successful businesses and individuals seek help from developers offering cyclomatic complexity tools to be up to date.

Make sure that you research a lot about cyclomatic complexity so that you will be able to understand it in no time.

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