I just learned about zig build test --summary all which actually provides some details about the test run:
❯ zig build test --summary all
✅ All 1197 tests passed.
Build Summary: 54/54 steps succeeded; 1197/1258 tests passed; 61 skipped
test success
└─ tests_summary success
├─ run test collections 37 passed 55ms MaxRSS:2M
│ └─ compile test collections Debug native cached 80ms MaxRSS:31M
├─ run test base 48 passed 26ms MaxRSS:2M
│ └─ compile test base Debug native cached 95ms MaxRSS:31M
├─ run test types 28 passed 23ms MaxRSS:2M
│ └─ compile test types Debug native cached 82ms MaxRSS:31M
├─ run test builtins 316 passed 25ms MaxRSS:3M
│ └─ compile test builtins Debug native cached 86ms MaxRSS:31M
├─ run test compile 3 passed 11ms MaxRSS:3M
│ └─ compile test compile Debug native cached 78ms MaxRSS:31M
│ ├─ options cached
│ └─ WriteFile Dict.bin cached
├─ run test reporting success 2ms MaxRSS:1M
│ └─ compile test reporting Debug native cached 97ms MaxRSS:31M
├─ run test parse 10 passed 19ms MaxRSS:2M
│ └─ compile test parse Debug native cached 93ms MaxRSS:31M
...
Last updated: Nov 09 2025 at 12:14 UTC