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When you run the rspec:install generator, the generated spec/spec_helper.rb
configures rspec-rails to hook into the transaction management in Rails'
testing framework, which wraps every example in a transaction and rolls it
back after each example.
RSpec.configure do |config|
c.use_transactional_examples = true
end
This only works if you are using ActiveRecord as your ORM. If you are not, or
if you prefer to manage transactions differently, just delete that setting.
- Scenarios
-
- run in transactions (default)
- run in transactions (explicit)
- disable transactions (explicit)
- run in transactions with fixture
- run in transactions (default)
-
- Given
-
a file named "spec/models/widget_spec.rb" with:
require "spec_helper" describe Widget do it "has none to begin with" do Widget.count.should == 0 end it "has one after adding one" do Widget.create Widget.count.should == 1 end it "has none after one was created in a previous example" do Widget.count.should == 0 end end
- When
- I run "rspec spec/models/widget_spec.rb"
- Then
- the output should contain "3 examples, 0 failures"
- run in transactions (explicit)
-
- Given
-
a file named "spec/models/widget_spec.rb" with:
require "spec_helper" RSpec.configure do |c| c.use_transactional_examples = true end describe Widget do it "has none to begin with" do Widget.count.should == 0 end it "has one after adding one" do Widget.create Widget.count.should == 1 end it "has none after one was created in a previous example" do Widget.count.should == 0 end end
- When
- I run "rspec spec/models/widget_spec.rb"
- Then
- the output should contain "3 examples, 0 failures"
- disable transactions (explicit)
-
- Given
-
a file named "spec/models/widget_spec.rb" with:
require "spec_helper" RSpec.configure do |c| c.use_transactional_examples = false end describe Widget do it "has none to begin with" do Widget.count.should == 0 end it "has one after adding one" do Widget.create Widget.count.should == 1 end it "has one after one was created in a previous example" do Widget.count.should == 1 end after(:all) { Widget.destroy_all } end
- When
- I run "rspec spec/models/widget_spec.rb"
- Then
- the output should contain "3 examples, 0 failures"
- run in transactions with fixture
-
- Given
-
a file named "spec/models/thing_spec.rb" with:
require "spec_helper" describe Thing do fixtures :things it "fixture method defined" do things(:one) end end
- Given
-
a file named "spec/fixtures/things.yml" with:
one: name: MyString
- When
- I run "rspec spec/models/thing_spec.rb"
- Then
- the output should contain "1 example, 0 failures"
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