masterror/.github/codecov.yml at main · RAprogramm/masterror · GitHub

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# SPDX-FileCopyrightText: 2025 RAprogramm <andrey.rozanov.vl@gmail.com>
#
# SPDX-License-Identifier: MIT

# Codecov configuration for masterror project
# Documentation: https://docs.codecov.com/docs/codecov-yaml
# Validate: curl -X POST --data-binary @.github/codecov.yml https://codecov.io/validate

codecov:
  # Default branch for coverage comparison
  branch: main
  # Always use YAML from main branch for consistency
  strict_yaml_branch: main
  # Maximum age of report before expiration (12 hours)
  max_report_age: 12h
  # Require CI to pass before processing coverage
  require_ci_to_pass: true
  # Notify only on status changes to reduce noise
  notify:
    wait_for_ci: true

coverage:
  # Precision for coverage percentage (2 decimal places)
  precision: 2
  # Round down to be conservative
  round: down
  # Coverage range: 90-100% (red to green)
  range: 90..100

  status:
    # Project-level coverage status check
    project:
      default:
        # Target: maintain 95% minimum coverage
        target: 95%
        # Threshold: allow max 1% drop before failing
        threshold: 1%
        # Compare against parent commit
        base: auto
        # Fail if CI fails
        if_ci_failed: error
        # Check all commits, not just PRs
        only_pulls: false
        # Include files with no coverage changes
        if_no_uploads: error
        # Include files not in diff
        if_not_found: success

    # Patch-level coverage status check (new code only)
    patch:
      default:
        # New code must be 95% covered minimum
        target: 95%
        # Allow 1% threshold for edge cases
        threshold: 1%
        base: auto
        if_ci_failed: error
        # Only check patches in PRs
        only_pulls: true
        if_no_uploads: error
        if_not_found: success

    # Changes status (diff between head and base)
    changes:
      default:
        base: auto
        if_ci_failed: error
        if_no_uploads: error
        if_not_found: success

  # Paths to ignore from coverage reports
  ignore:
    # Integration tests directory
    - "tests/**/*"
    # Benchmarks
    - "benches/**/*"
    # Examples
    - "examples/**/*"
    # Documentation
    - "docs/**/*"
    # Build scripts
    - "build.rs"
    - "build/**/*"
    # Test modules inside src/ (all workspace members)
    - "**/tests.rs"
    - "**/test_*.rs"
    - "**/*_test.rs"
    # CI/CD configuration
    - ".github/**/*"
    - ".cargo/**/*"
    # Scripts
    - ".scripts/**/*"
    - ".hooks/**/*"
    # License files
    - "LICENSES/**/*"
    # Generated/temporary files
    - "target/**/*"

# Component isolation using flags
# Note: Flags require separate uploads with -F flag in CI
# Example: cargo llvm-cov --lcov --output-path lcov-main.info
#          codecov -f lcov-main.info -F main
flag_management:
  # Default rules for all flags
  default_rules:
    # Don't carry forward missing flags by default
    carryforward: false
    # Require manual flag specification
    statuses:
      - type: project
        target: auto
      - type: patch
        target: auto

# Pull request comment configuration
comment:
  # Use condensed layout (free tier compatible)
  layout: "condensed_header, condensed_files, condensed_footer"
  # Update existing comment instead of creating new ones
  behavior: default
  # Always post comment, even if no changes
  require_changes: false
  # Require base report for comparison
  require_base: yes
  # Require head report to post comment
  require_head: yes
  # Show carryforward flags in comment
  show_carryforward_flags: true
  # Show project coverage in comment
  hide_project_coverage: false
  # Show additional metrics
  after_n_builds: 1

# GitHub integration settings
github_checks:
  # Enable inline annotations for uncovered lines
  annotations: true

# Ignore specific commits (e.g., README-only changes)
ignore:
  - "README.md"
  - "README.ru.md"
  - "README.template.md"
  - "*.md"
  - "LICENSE*"
  - ".gitignore"
  - ".rustfmt.toml"
  - "deny.toml"
  - "Makefile.toml"