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Project: RSpec Core 2.4

Publisher: RSpec

custom settings

Extensions like rspec-rails can add their own configuration settings.

Scenarios
  1. simple setting (with defaults)
  2. default to true
  3. overridden in a subsequent RSpec.configure block
simple setting (with defaults)
Given
a file named "additional_setting_spec.rb" with: 
RSpec.configure do |c|
  c.add_setting :custom_setting
end

describe "custom setting" do
  it "is nil by default" do
    RSpec.configuration.custom_setting.should be_nil
  end

  it "acts false by default" do
    RSpec.configuration.custom_setting.should be_false
  end

  it "is exposed as a predicate" do
    RSpec.configuration.custom_setting?.should be_false
  end

  it "can be overridden" do
    RSpec.configuration.custom_setting = true
    RSpec.configuration.custom_setting.should be_true
    RSpec.configuration.custom_setting?.should be_true
  end
end
When
I run "rspec ./additional_setting_spec.rb"
Then
the examples should all pass
default to true
Given
a file named "additional_setting_spec.rb" with: 
RSpec.configure do |c|
  c.add_setting :custom_setting, :default => true
end

describe "custom setting" do
  it "is true by default" do
    RSpec.configuration.custom_setting.should be_true
  end

  it "is exposed as a predicate" do
    RSpec.configuration.custom_setting?.should be_true
  end

  it "can be overridden" do
    RSpec.configuration.custom_setting = false
    RSpec.configuration.custom_setting.should be_false
    RSpec.configuration.custom_setting?.should be_false
  end
end
When
I run "rspec ./additional_setting_spec.rb"
Then
the examples should all pass
overridden in a subsequent RSpec.configure block
Given
a file named "additional_setting_spec.rb" with: 
RSpec.configure do |c|
  c.add_setting :custom_setting
end

RSpec.configure do |c|
  c.custom_setting = true
end

describe "custom setting" do
  it "returns the value set in the last cofigure block to get eval'd" do
    RSpec.configuration.custom_setting.should be_true
  end

  it "is exposed as a predicate" do
    RSpec.configuration.custom_setting?.should be_true
  end
end
When
I run "rspec ./additional_setting_spec.rb"
Then
the examples should all pass

Last published over 7 years ago by dchelimsky.