rulemorph 0.3.4

YAML-based declarative data transformation engine for CSV/JSON to JSON
Documentation 
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#[test]
fn csv_trailing_missing_field_is_invalid_input() {
    let yaml = r#"
version: 2
input:
  format: csv
  csv:
    has_header: true
mappings:
  - target: "id"
    source: "id"
  - target: "name"
    source: "name"
    default: "missing-name"
"#;
    let rule = parse_rule_file(yaml).expect("parse rule");
    let err = transform(&rule, "id,name\n1\n", None).expect_err("short csv row should fail");
    assert_eq!(err.kind, TransformErrorKind::InvalidInput);
    assert!(err.message.contains("CSV error"), "{}", err.message);
}

#[test]
fn csv_extra_field_is_invalid_input() {
    let yaml = r#"
version: 2
input:
  format: csv
  csv:
    has_header: true
mappings:
  - target: "id"
    source: "id"
"#;
    let rule = parse_rule_file(yaml).expect("parse rule");
    let err = transform(&rule, "id\n1,extra\n", None).expect_err("wide csv row should fail");
    assert_eq!(err.kind, TransformErrorKind::InvalidInput);
    assert!(err.message.contains("CSV error"), "{}", err.message);
}