cql2 0.6.0

Parse, validate, and convert Common Query Language (CQL2) text and JSON
Documentation 
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#!/usr/bin/env bash
#
# Regenerates tests/operators_expected.txt by running each query in tests/operators_tests.txt
# against tests/cql2testdata.ndjson.
#
# Output is two lines per query: the query, then the space-separated `intfield` of every matching
# row. A query that matches nothing yields an empty second line.
#
# The file is rebuilt in full or not at all. Queries are collected into a scratch file, and it
# replaces the committed one only if every query succeeded; otherwise each failure is reported and
# the run exits non-zero with the expectations untouched, so a broken invocation cannot blank them.

set -euo pipefail

tests=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
root=$(dirname "$tests")
out="$tests/operators_expected.txt"
data="$tests/cql2testdata.ndjson"

cargo build
cql2="$root/target/debug/cql2"

scratch=$(mktemp)
trap 'rm -f "$scratch"' EXIT

failures=0
while IFS= read -r line; do
    q="${line%%#*}"
    q="${q#"${q%%[![:space:]]*}"}"
    q="${q%"${q##*[![:space:]]}"}"
    case "$q" in
        '' | //*) continue ;;
    esac

    if ! matches=$("$cql2" "$q" --filter "$data" | jq -r '.intfield' | paste -sd ' ' -); then
        printf 'FAILED: %s\n' "$q" >&2
        failures=$((failures + 1))
        continue
    fi
    printf '%s\n%s\n' "$q" "$matches" >> "$scratch"
done < "$tests/operators_tests.txt"

if [ "$failures" -ne 0 ]; then
    printf '%s queries failed; %s left unchanged\n' "$failures" "$out" >&2
    exit 1
fi

cp "$scratch" "$out"
printf 'wrote %s queries to %s\n' "$(($(wc -l < "$out") / 2))" "$out"