func validateChecks()

in policy/registry.go [80:111]

• 32 lines of code
• 11 McCabe index (conditional complexity)

func validateChecks(checks []Check) error {
	ids := map[string]bool{}
	for _, check := range checks {
		if ids[check.ID] {
			return fmt.Errorf("multiple checks registered for ID %s", check.ID)
		}
		ids[check.ID] = true
		if check.Level != api.LevelBaseline && check.Level != api.LevelRestricted {
			return fmt.Errorf("check %s: invalid level %s", check.ID, check.Level)
		}
		if len(check.Versions) == 0 {
			return fmt.Errorf("check %s: empty", check.ID)
		}
		maxVersion := api.Version{}
		for _, c := range check.Versions {
			if c.MinimumVersion == (api.Version{}) {
				return fmt.Errorf("check %s: undefined version found", check.ID)
			}
			if c.MinimumVersion.Latest() {
				return fmt.Errorf("check %s: version cannot be 'latest'", check.ID)
			}
			if maxVersion == c.MinimumVersion {
				return fmt.Errorf("check %s: duplicate version %s", check.ID, c.MinimumVersion)
			}
			if !maxVersion.Older(c.MinimumVersion) {
				return fmt.Errorf("check %s: versions must be strictly increasing", check.ID)
			}
			maxVersion = c.MinimumVersion
		}
	}
	return nil
}