# Program Testing
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A /program/ is a top-level package (either marked as with `@program="true"`,
or with a root `rater` node).  This system provides a means of writing and
running test cases.


## Test Case Format
Test cases must be provided in a YAML file.  Each test case has a
description (`description`), input data (`data`), and expected results
(`expect`).

```yaml
- description: >-
    Example test case
  data:
    state:              [ STATE_AK ]
    prem_total:         [ 9000 ]
    effective_date:     12/05/2017
  expect:
    premTaxStamping: [ 1234 ]
    premTaxSurplus:  [ 1010 ]
```

A file may contain any number of test cases.  All identifiers in `data` and
`expect` must be valid inputs (params) and outputs (classifications and
calculations) respectively.  Inputs are passed as-is to the program, and
outputs are recursively (deeply) compared.