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More about adding a collaboratorfilter_run_when_matching
You can configure a conditional filter that only applies if there are any matching
examples using config.filter_run_when_matching
. This is commonly used for focus
filtering:
RSpec.configure do |c|
c.filter_run_when_matching :focus
end
This configuration allows you to filter to specific examples or groups by tagging
them with :focus
metadata. When no example or groups are focused (which should be
the norm since it's intended to be a temporary change), the filter will be ignored.
RSpec also provides aliases--fit
, fdescribe
and fcontext
--as a shorthand for
it
, describe
and context
with :focus
metadata, making it easy to temporarily
focus an example or group by prefixing an f
.
- Background
-
- Given
-
a file named "spec/spec_helper.rb" with:
RSpec.configure do |c| c.filter_run_when_matching :focus end
- And
-
a file named ".rspec" with:
--require spec_helper
- And
-
a file named "spec/example_spec.rb" with:
RSpec.describe "A group" do it "has a passing example" do end context "a nested group" do it "also has a passing example" do end end end
- Scenarios
-
- The filter is ignored when nothing is focused
- Examples can be focused with `fit`
- Groups can be focused with `fdescribe` or `fcontext`
- The filter is ignored when nothing is focused
-
- When
-
I run
rspec --format doc
- Then
- it should pass with "2 examples, 0 failures"
- And
-
the output should contain:
A group has a passing example a nested group also has a passing example
- Examples can be focused with `fit`
-
- Given
-
I have changed
it "has a passing example"
tofit "has a passing example"
in "spec/example_spec.rb" - When
-
I run
rspec --format doc
- Then
- it should pass with "1 example, 0 failures"
- And
-
the output should contain:
A group has a passing example
- Groups can be focused with `fdescribe` or `fcontext`
-
- Given
-
I have changed
context
tofcontext
in "spec/example_spec.rb" - When
-
I run
rspec --format doc
- Then
- it should pass with "1 example, 0 failures"
- And
-
the output should contain:
A group a nested group also has a passing example
Last published over 2 years ago by Jon Rowe.