codecov.yml

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# Codecov configuration for apache/texera. The repo uploads four flags
# (frontend, scala, python, agent-service); without an explicit config,
# defaults bite us in three places that this file fixes:
#   1. Single-stack PRs leave non-uploaded flags as `?` in the comment
#      and drop them from the rollup. Carry forward instead.
#   2. Coverage of generated code (protobuf), build output, and the
#      tests themselves dilutes the "real" coverage figure. Ignore
#      those paths.
#   3. Default status checks fail on any project drop and require 100%
#      patch coverage, so non-test refactors get a red Codecov check
#      even when behavior is preserved. Allow 1% slack on project and
#      keep patch coverage informational.

flag_management:
  default_rules:
    # If the current PR didn't run the job for a given flag, inherit
    # the latest report on the base branch instead of showing `?`.
    carryforward: true

ignore:
  # Generated protobuf — line counts swamp real code.
  - "amber/src/main/python/proto/**"
  - "**/src_managed/**"          # sbt JOOQ / scalapb-generated sources
  # Build / install output — never source-of-truth.
  - "**/target/**"
  - "frontend/dist/**"
  - "frontend/.angular/**"
  # Test files don't count toward source coverage.
  - "**/test_*.py"
  - "**/*.spec.ts"
  - "**/src/test/**"             # sbt test source roots

coverage:
  status:
    project:
      default:
        # Don't drop below the base-branch baseline, but tolerate
        # ≤1% jitter from re-runs / flaky tests / ignore-rule churn.
        target: auto
        threshold: 1%
    patch:
      default:
        # Surface patch coverage in the Codecov report but don't gate
        # PRs on it: a 100%-patch policy blocks plenty of legitimate
        # refactors / config-only changes that have no tests to add.
        informational: true

comment:
  # `flag_management.default_rules.carryforward: true` above already
  # backfills missing flags from main, but Codecov's default still
  # hides those rows from the PR comment. Show them so a frontend-only
  # or python-only PR's table lists every flag — fresh-data rows track
  # the patch and carryforward'd rows render with `<ø>` to make their
  # unchanged status obvious.
  show_carryforward_flags: true