Calculate branch coverage of the test suite
- Branch coverage tracks which control flow branches were (and were not) followed within the execution of a test suite.
Task
- Update the SimpleCov configuration so that it also calculates branch coverage.
Steps
- Update configuration code:
test/test_helper.rb- code file to edit.
- Calculate statement and brach coverage:
rails test -v- command to run tests and generate coverage report.
- Inspect the statement coverage results:
coverage/index.html- coverage report to view in web browser.
Reference Code
- Test helper configuration code:
require 'simplecov'
SimpleCov.start('rails') do
enable_coverage :branch
end