Rspec not_to change .and not_to change - how to do it?

Category: Ruby :: Published at: 29.06.2021

We can't chain not_to change .and not_to change in one rspec matcher call.

But the gem creators made for us some simple and very useful workaround:

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How to test raise_error matcher if it gets an error

Category: Ruby :: Published at: 23.06.2021

The problem with raise_error matcher in RSpec is common and it can be fixed in easy way.

Let's say we have situation like below:

subject(:service_call) { }

it { expect(service_call).to raise_error(CarDatabaseConnectionError) }

If we call it like this it will get us an error.

  1) CarUpdateService when fail 
     Failure/Error: raise CarDatabaseConnectionError
       Can't connect with a custom car database.

Why it didn't pass the spec?

The problem is here:

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Applying autocomplete with Rails and Semantic UI

Category: Ruby :: Published at: 28.05.2021

Creating autocomplete with Rails and Semantic UI is very easy, and you should not have problem with that. 
Semantic UI includes search library and all you need to do is just to write couple lines of code.

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How to write shared_examples in RSpec

Category: Ruby :: Published at: 18.05.2021

We are using shared examples if we have the same assertions inside one file.

This is how we can do it:

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How to check speed of your requests in rails console

Category: Ruby :: Published at: 17.05.2021

If you want to check how fast is your request, and which version of your request will be more optimized, you should use Benchmark tool.

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Rbenv can't change ruby version

Category: Ruby :: Published at: 03.05.2021

What if Rbenv is not changing ruby version, even if everything should work for us?

You can use those two commands to make it work again:

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