slhx agent
102 lines
3.1 KiB
Bash
102 lines
3.1 KiB
Bash
#!/bin/sh
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set -eu
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tool=${1:-zig-out/bin/pick}
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tmp=${TMPDIR:-.zig-cache}/pick-smoke.$$
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mkdir -p "$tmp"
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trap 'rm -rf "$tmp"' EXIT HUP INT TERM
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# req: pick/008
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# req: pick/009
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# req: pick/010
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assert_eq() {
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want=$1
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got=$2
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cmp "$want" "$got"
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}
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assert_empty() {
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file=$1
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if [ -s "$file" ]; then
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echo "pick: expected empty file: $file" >&2
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exit 1
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fi
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}
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assert_fails() {
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if "$@"; then
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echo "pick: command unexpectedly succeeded: $*" >&2
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exit 1
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fi
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}
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# Numeric field selection preserves records and stdout contains only selected TSV.
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printf 'a\tb\tc\n1\t2\t3\n' | "$tool" 2 > "$tmp/pick-one.out"
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printf 'b\n2\n' > "$tmp/pick-one.want"
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assert_eq "$tmp/pick-one.want" "$tmp/pick-one.out"
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# Header selection emits the selected header and selected data columns.
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printf 'path\tsize\tkind\na\t10\tfile\n' | "$tool" --header path size > "$tmp/pick-header.out"
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printf 'path\tsize\na\t10\n' > "$tmp/pick-header.want"
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assert_eq "$tmp/pick-header.want" "$tmp/pick-header.out"
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# Missing fields are empty fields, not pipeline failures.
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printf 'a\tb\n1\n' | "$tool" 1 2 > "$tmp/pick-missing.out"
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printf 'a\tb\n1\t\n' > "$tmp/pick-missing.want"
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assert_eq "$tmp/pick-missing.want" "$tmp/pick-missing.out"
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# CRLF input is accepted and normalized to LF records.
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printf 'a\tb\r\n1\t2\r\n' | "$tool" 2 > "$tmp/pick-crlf.out"
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printf 'b\n2\n' > "$tmp/pick-crlf.want"
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assert_eq "$tmp/pick-crlf.want" "$tmp/pick-crlf.out"
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# A record longer than the internal read buffer still streams correctly across
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# chunk boundaries without whole-input buffering.
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: > "$tmp/pick-long.in"
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i=0
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while [ "$i" -lt 9000 ]; do
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printf x >> "$tmp/pick-long.in"
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i=$((i + 1))
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done
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printf '\tb\n' >> "$tmp/pick-long.in"
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"$tool" 2 < "$tmp/pick-long.in" > "$tmp/pick-long.out"
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printf 'b\n' > "$tmp/pick-long.want"
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assert_eq "$tmp/pick-long.want" "$tmp/pick-long.out"
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# Help is stdout-only and successful.
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"$tool" --help > "$tmp/pick-help.out" 2> "$tmp/pick-help.err"
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grep -q '^usage: pick' "$tmp/pick-help.out"
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assert_empty "$tmp/pick-help.err"
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# Usage errors are stderr-only and nonzero.
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assert_fails "$tool" > "$tmp/pick-noargs.out" 2> "$tmp/pick-noargs.err"
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assert_empty "$tmp/pick-noargs.out"
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grep -q '^usage: pick' "$tmp/pick-noargs.err"
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assert_fails "$tool" 0 > "$tmp/pick-zero.out" 2> "$tmp/pick-zero.err"
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assert_empty "$tmp/pick-zero.out"
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grep -q 'fields are 1-based' "$tmp/pick-zero.err"
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assert_fails "$tool" nope > "$tmp/pick-invalid.out" 2> "$tmp/pick-invalid.err"
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assert_empty "$tmp/pick-invalid.out"
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grep -q 'invalid field' "$tmp/pick-invalid.err"
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# Forbidden near miss: option-looking regex/expression input is rejected as data,
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# not interpreted as another command language.
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assert_fails "$tool" --regex '.*' > "$tmp/pick-regex.out" 2> "$tmp/pick-regex.err"
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assert_empty "$tmp/pick-regex.out"
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grep -q 'invalid field' "$tmp/pick-regex.err"
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# Head-style consumers may close stdout early; that must not pollute stderr.
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i=0
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{
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while [ "$i" -lt 20000 ]; do
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printf 'a\tb\n'
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i=$((i + 1))
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done
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} | "$tool" 1 2> "$tmp/pick-head.err" | sed 1q > "$tmp/pick-head.out"
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printf 'a\n' > "$tmp/pick-head.want"
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assert_eq "$tmp/pick-head.want" "$tmp/pick-head.out"
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assert_empty "$tmp/pick-head.err"
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