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system-programming/exercises/mycp/test_mycp.sh
2025-06-27 07:53:14 +02:00

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#!/bin/sh
EXEC=./mycp
LOGFILE=test_results.log
PASS=0
FAIL=0
echo "[INFO] Running tests for $EXEC" > "$LOGFILE"
echo "[INFO] Date: $(date)" >> "$LOGFILE"
echo "===================================" >> "$LOGFILE"
log() {
echo "$1" | tee -a "$LOGFILE"
}
check() {
DESC="$1"
CMD="$2"
EXPECT="$3"
log "[TEST] $DESC"
eval "$CMD" > /dev/null 2>&1
RET=$?
if [ "$RET" -eq "$EXPECT" ]; then
log " ✔ SUCCESS (exit code $RET)"
PASS=$((PASS + 1))
else
log " ✘ FAIL (exit code $RET, expected $EXPECT)"
FAIL=$((FAIL + 1))
fi
}
compare_files() {
FILE1="$1"
FILE2="$2"
if cmp -s "$FILE1" "$FILE2"; then
log " ✔ Files are identical"
else
log " ✘ Files differ!"
FAIL=$((FAIL + 1))
fi
}
# Test 1
echo "Hello World" > test_input.txt
check "Copy text file" "$EXEC test_input.txt test_output.txt" 0
compare_files test_input.txt test_output.txt
# Test 2
cp /bin/ls bin_input
check "Copy binary file" "$EXEC bin_input bin_output" 0
compare_files bin_input bin_output
# Test 3
check "Source file does not exist" "$EXEC nofile.txt shouldnotexist" 1
# Test 4
check "Missing arguments" "$EXEC" 1
# Test 5
echo "readonly" > readonly.txt
chmod 444 readonly.txt
check "Write to read-only file" "$EXEC test_input.txt readonly.txt" 1
chmod 644 readonly.txt
# Test 6
echo "old content" > existing.txt
check "Overwrite existing file" "$EXEC test_input.txt existing.txt" 0
compare_files test_input.txt existing.txt
# Test 7
dd if=/dev/urandom of=bigfile bs=1K count=128 status=none
check "Copy large file (128KB)" "$EXEC bigfile bigfile_copy" 0
compare_files bigfile bigfile_copy
# Summary
log ""
log "Tests passed: $PASS"
log "Tests failed: $FAIL"
if [ "$FAIL" -eq 0 ]; then
log "✅ All tests passed"
exit 0
else
log "❌ Some tests failed"
exit 1
fi