eth2.0-specs/tests/formats/sanity/blocks.md

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# Sanity blocks testing
Sanity tests to cover a series of one or more blocks being processed, aiming to cover common changes.
## Test case format
### `meta.yaml`
```yaml
description: string -- Optional. Description of test case, purely for debugging purposes.
bls_setting: int -- see general test-format spec.
reveal_deadlines_setting: int -- see general test-format spec.
blocks_count: int -- the number of blocks processed in this test.
```
### `pre.ssz_snappy`
An SSZ-snappy encoded `BeaconState`, the state before running the block transitions.
### `blocks_<index>.ssz_snappy`
A series of files, with `<index>` in range `[0, blocks_count)`. Blocks need to be processed in order,
following the main transition function (i.e. process slot and epoch transitions in between blocks as normal)
Each file is a SSZ-snappy encoded `SignedBeaconBlock`.
### `post.ssz_snappy`
An SSZ-snappy encoded `BeaconState`, the state after applying the block transitions.
## Condition
The resulting state should match the expected `post` state, or if the `post` state is left blank,
the handler should reject the series of blocks as invalid.