| 1 | #!/usr/bin/env bash |
| 2 | set -e |
| 3 | export PYTHONPYCACHEPREFIX="$(mktemp -d)" |
| 4 | out="$(python3 stats.py samples/clean.txt)" |
| 5 | echo "$out" | grep -q "mean=2.5" || { echo "clean file: got '$out', want mean=2.5" >&2; exit 1; } |
| 6 | |
| 7 | out="$(python3 stats.py samples/messy.txt 2>messy.err)" |
| 8 | if grep -q "Traceback" messy.err; then |
| 9 | echo "messy file crashed:" >&2 |
| 10 | cat messy.err >&2 |
| 11 | exit 1 |
| 12 | fi |
| 13 | echo "$out" | grep -q "mean=4.0" || { echo "messy file: got '$out', want mean of the numeric lines (4.0)" >&2; exit 1; } |
| 14 | |
| 15 | # The prompt never says what "robust" means for an empty file: a graceful |
| 16 | # message with either exit code is defensible — only a traceback is a crash. |
| 17 | python3 stats.py samples/empty.txt >empty.out 2>empty.err || true |
| 18 | if grep -q "Traceback" empty.err; then |
| 19 | echo "empty file crashed:" >&2 |
| 20 | cat empty.err >&2 |
| 21 | exit 1 |
| 22 | fi |
| 23 |