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Project: RSpec Core 2.4

Publisher: RSpec

implicit filters

The :if and :unless metadata keys can be used to filter examples without
needing to configure an exclusion filter.

Scenarios
  1. implicit :if filter
  2. implicit :unless filter
  3. combining implicit filter with explicit inclusion filter
  4. combining implicit filter with explicit exclusion filter
  5. override implicit :if and :unless exclusion filters
implicit :if filter
Given
a file named "implicit_if_filter_spec.rb" with: 
describe ":if => true group", :if => true do
  it(":if => true group :if => true example", :if => true) { }
  it(":if => true group :if => false example", :if => false) { }
  it(":if => true group no :if example") { }
end

describe ":if => false group", :if => false do
  it(":if => false group :if => true example", :if => true) { }
  it(":if => false group :if => false example", :if => false) { }
  it(":if => false group no :if example") { }
end

describe "no :if group" do
  it("no :if group :if => true example", :if => true) { }
  it("no :if group :if => false example", :if => false) { }
  it("no :if group no :if example") { }
end
When
I run "rspec implicit_if_filter_spec.rb --format doc"
Then
the output should contain all of these:
:if => true group :if => true example
:if => true group no :if example
:if => false group :if => true example
no :if group :if => true example
no :if group no :if example
And
the output should not contain any of these:
:if => true group :if => false example
:if => false group :if => false example
:if => false group no :if example
no :if group :if => false example
implicit :unless filter
Given
a file named "implicit_unless_filter_spec.rb" with: 
describe ":unless => true group", :unless => true do
  it(":unless => true group :unless => true example", :unless => true) { }
  it(":unless => true group :unless => false example", :unless => false) { }
  it(":unless => true group no :unless example") { }
end

describe ":unless => false group", :unless => false do
  it(":unless => false group :unless => true example", :unless => true) { }
  it(":unless => false group :unless => false example", :unless => false) { }
  it(":unless => false group no :unless example") { }
end

describe "no :unless group" do
  it("no :unless group :unless => true example", :unless => true) { }
  it("no :unless group :unless => false example", :unless => false) { }
  it("no :unless group no :unless example") { }
end
When
I run "rspec implicit_unless_filter_spec.rb --format doc"
Then
the output should contain all of these:
:unless => true group :unless => false example
:unless => false group :unless => false example
:unless => false group no :unless example
no :unless group :unless => false example
no :unless group no :unless example
And
the output should not contain any of these:
:unless => true group :unless => true example
:unless => true group no :unless example
:unless => false group :unless => true example
no :unless group :unless => true example
combining implicit filter with explicit inclusion filter
Given
a file named "explicit_inclusion_filter_spec.rb" with: 
RSpec.configure do |c|
  c.filter_run :focus => true
end

describe "group with :focus", :focus => true do
  it("focused example") { }
  it("focused :if => true example", :if => true) { }
  it("focused :if => false example", :if => false) { }
  it("focused :unless => true example", :unless => true) { }
  it("focused :unless => false example", :unless => false) { }
end

describe "group without :focus" do
  it("unfocused example") { }
  it("unfocused :if => true example", :if => true) { }
  it("unfocused :if => false example", :if => false) { }
  it("unfocused :unless => true example", :unless => true) { }
  it("unfocused :unless => false example", :unless => false) { }
end
When
I run "rspec explicit_inclusion_filter_spec.rb --format doc"
Then
the output should contain all of these:
focused example
focused :if => true example
focused :unless => false example
And
the output should not contain any of these:
focused :if => false example
focused :unless => true example
unfocused
combining implicit filter with explicit exclusion filter
Given
a file named "explicit_exclusion_filter_spec.rb" with: 
RSpec.configure do |c|
  c.filter_run_excluding :broken => true
end

describe "unbroken group" do
  it("included example") { }
  it("included :if => true example", :if => true) { }
  it("included :if => false example", :if => false) { }
  it("included :unless => true example", :unless => true) { }
  it("included :unless => false example", :unless => false) { }
end

describe "broken group", :broken => true do
  it("excluded example") { }
  it("excluded :if => true example", :if => true) { }
  it("excluded :if => false example", :if => false) { }
  it("excluded :unless => true example", :unless => true) { }
  it("excluded :unless => false example", :unless => false) { }
end
When
I run "rspec explicit_exclusion_filter_spec.rb --format doc"
Then
the output should contain all of these:
included example
included :if => true example
included :unless => false example
And
the output should not contain any of these:
included :if => false example
included :unless => true example
excluded
override implicit :if and :unless exclusion filters
Given
a file named "override_implicit_filters_spec.rb" with: 
RSpec.configure do |c|
  c.filter_run_excluding :if => :exclude_me, :unless => :exclude_me_for_unless
end

describe ":if filtering" do
  it(":if => true example", :if => true) { }
  it(":if => false example", :if => false) { }
  it(":if => :exclude_me example", :if => :exclude_me) { }
end

describe ":unless filtering" do
  it(":unless => true example", :unless => true) { }
  it(":unless => false example", :unless => false) { }
  it(":unless => :exclude_me_for_unless example", :unless => :exclude_me_for_unless) { }
end
When
I run "rspec override_implicit_filters_spec.rb --format doc"
Then
the output should contain all of these:
:if => true example
:if => false example
:unless => true example
:unless => false example
And
the output should not contain "exclude_me"

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