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feat: add cross-format integration tests and CLI end-to-end tests #42

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Merged
alvinreal merged 1 commit into from
Feb 21, 2026
Merged

feat: add cross-format integration tests and CLI end-to-end tests #42

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16 changes: 15 additions & 1 deletion src/formats/csv.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -206,7 +206,21 @@ fn csv_field_to_string(value: &Value) -> String {
Value::Null => String::new(),
Value::Bool(b) => b.to_string(),
Value::Int(i) => i.to_string(),
Value::Float(f) => f.to_string(),
Value::Float(f) => {
let s = f.to_string();
// Ensure float representation always contains a decimal point
// so that CSV type inference re-parses it as Float, not Int.
if s.contains('.')
|| s.contains('e')
|| s.contains('E')
|| s.contains("inf")
|| s.contains("NaN")
{
s
} else {
format!("{s}.0")
}
}
Value::String(s) => s.clone(),
Value::Bytes(b) => format!("{b:?}"),
Value::Array(_) | Value::Map(_) => {
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