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32 lines
1.1 KiB
Bash
Executable File
32 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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# Run a compiled *.test binary. When TEST_SHARD is set, enumerate top-level
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# tests via -test.list and run only the shard's slice; TestMain skips
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# environment setup in -test.list mode. Without TEST_SHARD, runs the binary
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# directly.
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BINARY=${1:?usage: $0 BINARY}
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if [ -z "${TEST_SHARD:-}" ]; then
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exec "$BINARY"
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fi
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if ! [[ "${TEST_TOTAL_SHARDS:-}" =~ ^[1-9][0-9]*$ ]]; then
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echo "TEST_TOTAL_SHARDS must be a positive integer, got: ${TEST_TOTAL_SHARDS:-}" >&2
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exit 2
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fi
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if ! [[ "$TEST_SHARD" =~ ^[1-9][0-9]*$ ]] || [ "$TEST_SHARD" -gt "$TEST_TOTAL_SHARDS" ]; then
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echo "TEST_SHARD must be in [1, $TEST_TOTAL_SHARDS], got: $TEST_SHARD" >&2
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exit 2
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fi
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NAMES=$("$BINARY" -test.list='^Test' | LC_ALL=C sort -u | awk -v r=$((TEST_SHARD - 1)) -v t="$TEST_TOTAL_SHARDS" '(NR - 1) % t == r')
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if [ -z "$NAMES" ]; then
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echo "shard $TEST_SHARD/$TEST_TOTAL_SHARDS has no tests assigned" >&2
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exit 1
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fi
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PATTERN=$(echo "$NAMES" | paste -sd '|' -)
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echo "Running shard $TEST_SHARD/$TEST_TOTAL_SHARDS ($(echo "$NAMES" | wc -l | tr -d ' ') tests)"
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exec "$BINARY" -test.run "^($PATTERN)\$"
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