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Add note about infer_spec_type_from_file_location! #1082

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Jun 13, 2014
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Add note about infer_spec_type_from_file_location! #1082

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21 changes: 20 additions & 1 deletion README.md
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Expand Up @@ -62,7 +62,26 @@ bundle binstubs rspec-core
For detailed information on the RSpec 3.x upgrade process see the
[RSpec Upgrade docs](https://relishapp.com/rspec/docs/upgrade).

There is another `rspec-rails` specific change to be aware of:
There are two particular `rspec-rails` specific changes to be aware of:

> File-type inference disabled by default

Previously we automatically inferred spec type from a file location, this
was a surprising behaviour for new users and undesirable for some veteran users
so from RSpec 3 onwards this behaviour must be explicitly opted into with:

```Ruby
RSpec.configure do |config|
config.infer_spec_type_from_file_location!
end
```

This change was made to accomplish our general goals of acting with the principle
of least surprise and removing magic from RSpec. See [the directory structure
documentation](https://www.relishapp.com/rspec/rspec-rails/v/3-0/docs/directory-structure)
for more details.

The other `rspec-rails` specific change is:

> The default helper files created in RSpec 3.x have changed

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