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Inclusion filters

You can constrain which examples are run by declaring an inclusion filter. The most common use case is to focus on a subset of examples as you're focused on a particular problem. You can also specify metadata using only symbols.

Background

Given a file named "spec/spec_helper.rb" with:

RSpec.configure do |c|
c.filter_run_including :focus => true
end

Focus on an example

Given a file named "spec/sample_spec.rb" with:

require "spec_helper"

RSpec.describe "something" do
it "does one thing" do
end

it "does another thing", :focus => true do
end
end

When I run rspec spec/sample_spec.rb --format doc

Then the output should contain "does another thing"

And the output should not contain "does one thing".

Focus on a group

Given a file named "spec/sample_spec.rb" with:

require "spec_helper"

RSpec.describe "group 1", :focus => true do
it "group 1 example 1" do
end

it "group 1 example 2" do
end
end

RSpec.describe "group 2" do
it "group 2 example 1" do
end
end

When I run rspec spec/sample_spec.rb --format doc

Then the output should contain "group 1 example 1"

And the output should contain "group 1 example 2"

And the output should not contain "group 2 example 1".

before/after(:context) hooks in unmatched example group are not run

Given a file named "spec/before_after_all_inclusion_filter_spec.rb" with:

require "spec_helper"

RSpec.describe "group 1", :focus => true do
before(:context) { puts "before all in focused group" }
after(:context) { puts "after all in focused group" }

it "group 1 example" do
end
end

RSpec.describe "group 2" do
before(:context) { puts "before all in unfocused group" }
after(:context) { puts "after all in unfocused group" }

context "context 1" do
it "group 2 context 1 example 1" do
end
end
end

When I run rspec ./spec/before_after_all_inclusion_filter_spec.rb

Then the output should contain "before all in focused group"

And the output should contain "after all in focused group"

And the output should not contain "before all in unfocused group"

And the output should not contain "after all in unfocused group".

Use symbols as metadata

Given a file named "symbols_as_metadata_spec.rb" with:

RSpec.configure do |c|
c.filter_run :current_example
end

RSpec.describe "something" do
it "does one thing" do
end

it "does another thing", :current_example do
end
end

When I run rspec symbols_as_metadata_spec.rb --format doc

Then the output should contain "does another thing"

And the output should not contain "does one thing".