rulemorph 0.3.2

YAML-based declarative data transformation engine for CSV/JSON to JSON
Documentation 
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#[test]
fn yaml_rejects_text_limit_during_parse() {
    let rule = parse_rule_file(
        r#"
version: 2
input:
  format: yaml
  yaml: {}
mappings:
  - target: "name"
    source: "name"
"#,
    )
    .expect("parse rule");
    let options = NormalizationOptions {
        max_text_bytes: 3,
        ..NormalizationOptions::default()
    };
    let err = normalize_records_with_options(&rule, InputData::Text("name: Alice\n"), &options)
        .expect_err("text limit should fail");
    assert_eq!(err.kind, TransformErrorKind::InvalidInput);
}

#[test]
fn yaml_allows_array_at_limit() {
    let rule = parse_rule_file(
        r#"
version: 2
input:
  format: yaml
  yaml: {}
mappings:
  - target: "values"
    source: "values"
"#,
    )
    .expect("parse rule");
    let options = NormalizationOptions {
        max_array_len: 1,
        ..NormalizationOptions::default()
    };
    let mut records =
        normalize_records_with_options(&rule, InputData::Text("values: [1]\n"), &options)
            .expect("array at limit should pass");
    let record = records.next().expect("record").expect("record ok");
    assert_eq!(record, serde_json::json!({ "values": [1] }));
}