v/vlib/encoding/csv/csv_test.v

import encoding.csv

fn test_encoding_csv_reader() {
	data := 'name,email,phone,other\njoe,joe@blow.com,0400000000,test\nsam,sam@likesham.com,0433000000,"test quoted field"\n#chris,chris@nomail.com,94444444,"commented row"\nmike,mike@mikesbikes.com,98888888,"bike store"\n'
	mut csv_reader := csv.new_reader(data)

	mut row_count := 0
	for {
		row := csv_reader.read() or {
			break
		}
		row_count++
		if row_count== 1 {
			assert row[0] == 'name'
		}
		if row_count == 2 {
			assert row[0] == 'joe'
		}
		if row_count == 3 {
			assert row[0] == 'sam'
			// quoted field
			assert row[3] == 'test quoted field'
		}
		if row_count == 4 {
			assert row[0] == 'mike'
		}
	}

	assert row_count == 4
}

fn test_encoding_csv_writer() {
	mut csv_writer := csv.new_writer()

	csv_writer.write(['name', 'email', 'phone', 'other']) or {}
	csv_writer.write(['joe', 'joe@blow.com', '0400000000', 'test']) or {}
	csv_writer.write(['sam', 'sam@likesham.com', '0433000000', 'needs, quoting']) or {}

	assert csv_writer.str() == 'name,email,phone,other\njoe,joe@blow.com,0400000000,test\nsam,sam@likesham.com,0433000000,"needs, quoting"\n'
}