For a Swift-specific example, see https://github.com/codecov/example-swift

Add to your .travis.yml file.

language: objective-c
script:
  - xctool -project {{path_to_xcodeproj}} -scheme {{your_testing_scheme}} build test -sdk iphonesimulator GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES GCC_GENERATE_TEST_COVERAGE_FILES=YES
after_success:
  - bash <(curl -s https://codecov.io/bash)

The two important parts are:

• GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES GCC_GENERATE_TEST_COVERAGE_FILES=YES (To have Xcode create code coverage files)

• Create a shared scheme for your test target https://i.imgur.com/JKNFq0G.png
• xctool also does not respect the /Scheme/TestAction/@codeCoverageEnabled setting in .xcscheme files. Make sure -enableCodeCoverage YES is set.

Repository tokens are required for (a) all private repos, (b) public repos not using Travis-CI, CircleCI or AppVeyor. Find your repository token at Codecov and provide via appending -t <your upload token> to you where you upload reports.

# match ExampleName and ExampleNameTests
bash <(curl -s https://codecov.io/bash) -J 'ExampleName'

# user regexp to match only ExampleName and not ExampleNameTests
bash <(curl -s https://codecov.io/bash) -J '^ExampleName$'

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