S002 Edge Cases
| ID | Scenario | Expected Behavior |
|---|---|---|
| S002-EC-001 | coveragePercent is exactly 0.0 and min is 0 | minimum-coverage MUST pass (0.0 >= 0 is true) |
| S002-EC-002 | coveragePercent is exactly 100.0 and min is 100 | minimum-coverage MUST pass |
| S002-EC-003 | No test file exists but minimum-coverage rule is active | minimum-coverage evaluates with coveragePercent from context (may be 0.0); result depends on min threshold. Rule does not skip. |
| S002-EC-004 | totalExecutableLines is 0 for matched-coverage rule | matched-coverage MUST return RuleResult::pass('-') (skip) to avoid division by zero |
| S002-EC-005 | Required parameter min is missing from minimum-coverage config | RuleRegistry::resolve() MUST throw InvalidArgumentException with message containing "requires parameter 'min'" |
| S002-EC-006 | Structure has rules: [] (empty array) | test-exists MUST still be auto-prepended; the resolved list contains exactly one rule |
| S002-EC-007 | Same rule listed twice in config (e.g. [test-exists, test-exists]) | Both entries resolve independently; the rule evaluates twice. Auto-prepend logic checks only the user's list, so test-exists is not added a third time. |
| S002-EC-008 | min parameter provided as a string like "eighty" | RuleRegistry MUST throw InvalidArgumentException because "eighty" is not numeric |
| S002-EC-009 | coveragePercent is 79.999 and min is 80 | minimum-coverage MUST fail (79.999 < 80 is true). Floating-point comparison uses native PHP >= operator. |
| S002-EC-010 | Test file exists but testContent is null (unreadable) | enforce-coverage-link MUST return RuleResult::pass('-') (skip) because it checks testContent === null |
| S002-EC-011 | A plugin registers a rule with name "test-exists" (same as built-in) | The plugin rule replaces the built-in rule in the registry (last-write-wins per S002-FR-004.e). All subsequent evaluations use the plugin's implementation. |
| S002-EC-012 | PHPUnit XML coverage loaded but lineCoverage is empty for a file | matched-coverage counts 0 matched lines, resulting in 0% matched coverage. If min is set, the rule fails; if not, it passes with "0%". |