lighthouse/tests/ef_tests/README.md
Paul Hauner 9aedb12bfc
Refactor docs into mdbook (#547)
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# Ethereum 2.0 Specification Tests
This crate parses and executes the test vectors at [ethereum/eth2.0-spec-tests](https://github.com/ethereum/eth2.0-spec-tests).
Functionality is achieved only via the `$ cargo test` command.
## Tests
Because the test vectors are very large, we do not download the
tests vectors or require that the tests pass by default. Specifically;
- If the `tests/ef_tests/eth2.0-spec-tests` directory is not present, all tests
indicate a `pass` when they did not actually run.
- If that directory _is_ present, the tests are executed faithfully, failing if
a discrepancy is found.
## Downloading Test Vectors
The `eth2.0-spec-tests` directory is not present by default. To
obtain it, use the Makefile:
```
$ make
```
_Note: this may download hundreds of MB of compressed archives from the
[ethereum/eth2.0-spec-tests](https://github.com/ethereum/eth2.0-spec-tests/),
which may expand into several GB of files._
Remove the tests to save space or update to a new version with `$ make clean`.