Consolidate integration tests into single bin per crate#662
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Each file in tests/ produces a separate binary and link step. Add tests/main.rs entry points and disable auto-discovery so each crate compiles one test binary instead: etl-api: 11 binaries -> 1 etl-destinations: 5 binaries -> 1 etl: 6 binaries -> 1 Metric Before After Change Incremental --tests build 45.5s 25.7s -43% Integration test binaries 22 3 -86% Test binary disk (integ) 3.1 GB 484 MB -84% Clean build 2m 44s 2m 45s ~same
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Currently, each file in
tests/produces a separate binary and link step. This addstests/main.rsentry points for each crate and disables auto-discovery so each crate compiles one test binary instead.main__prefix).cargo test -p etl-api --test main -- destinations::.Measured impact (clean builds, back-to-back, same machine)
--testsbuild