eth2.0-specs/specs/test_formats/epoch_processing/README.md

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# Epoch processing tests
The different epoch sub-transitions are tested individually with test handlers.
The format is similar to block-processing state-transition tests.
There is no "change" factor however, the transitions are pure functions with just the pre-state as input.
Hence, the format is shared between each test-handler. (See test condition documentation on how to run the tests.)
## Test case format
```yaml
description: string -- description of test case, purely for debugging purposes
bls_setting: int -- see general test-format spec.
pre: BeaconState -- state before running the sub-transition
post: BeaconState -- state after applying the epoch sub-transition.
```
## Condition
A handler of the `epoch_processing` test-runner should process these cases,
calling the corresponding processing implementation.
Sub-transitions:
| *`sub-transition-name`* | *`processing call`* |
|-------------------------|-----------------------------------|
| `crosslinks` | `process_crosslinks(state)` |
| `registry_updates` | `process_registry_updates(state)` |
The resulting state should match the expected `post` state.