test.js

var test = require('tape')
var csv = require('./')
var concat = require('concat-stream')

test('encode from basic array', function(t) {
  var writer = csv({ headers: ["hello", "foo"]})
  
  writer.pipe(concat(function(data) {
    t.equal('hello,foo\nworld,bar\n', data.toString())
    t.end()
  }))
  
  writer.write(["world", "bar"])
  writer.end()
})

test('encode from array w/ escaped quotes in header row', function(t) {
  var writer = csv({ headers: ['why "hello" there', "foo"]})
  
  writer.pipe(concat(function(data) {
    t.equal('"why ""hello"" there",foo\nworld,bar\n', data.toString())
    t.end()
  }))
  
  writer.write(["world", "bar"])
  writer.end()
})

test('encode from array w/ escaped quotes in cells', function(t) {
  var writer = csv({ headers: ["hello", "foo"]})
  
  writer.pipe(concat(function(data) {
    t.equal('hello,foo\nworld,"this is an ""escaped"" cell"\n', data.toString())
    t.end()
  }))
  
  writer.write(["world", 'this is an "escaped" cell'])
  writer.end()
})

test('encode from array w/ escaped newline in cells', function(t) {
  var writer = csv({ headers: ["hello", "foo"]})
  
  writer.pipe(concat(function(data) {
    t.equal('hello,foo\nworld,"this is a\nmultiline cell"\n', data.toString())
    t.end()
  }))
  
  writer.write(["world", 'this is a\nmultiline cell'])
  writer.end()
})

test('encode from array w/ escaped comma in cells', function(t) {
  var writer = csv({ headers: ["hello", "foo"]})
  
  writer.pipe(concat(function(data) {
    t.equal('hello,foo\nworld,"this is a cell with, commas, in it"\n', data.toString())
    t.end()
  }))
  
  writer.write(["world", 'this is a cell with, commas, in it'])
  writer.end()
})

test('encode from object w/ headers specified', function(t) {
  var writer = csv({ headers: ["hello", "foo"]})
  
  writer.pipe(concat(function(data) {
    t.equal('hello,foo\nworld,bar\n', data.toString())
    t.end()
  }))
  
  writer.write({hello: "world", foo: "bar", baz: "taco"})
  writer.end()
})

test('encode from object w/ auto headers', function(t) {
  var writer = csv()
  
  writer.pipe(concat(function(data) {
    t.equal('hello,foo,baz\nworld,bar,taco\n', data.toString())
    t.end()
  }))
  
  writer.write({hello: "world", foo: "bar", baz: "taco"})
  writer.end()
})

test('no headers specified', function(t) {
  var writer = csv()
  
  writer.on('error', function(err) {
    t.equal(err.message, 'no headers specified')
    t.end()
  })
  
  writer.write(['foo', 'bar'])
  writer.end()
})

test('no headers displayed', function(t) {
  var writer = csv({sendHeaders: false})

  writer.pipe(concat(function(data) {
    t.equal('world,bar,taco\n', data.toString())
    t.end()
  }))

  writer.write({hello: "world", foo: "bar", baz: "taco"})
  writer.end()
})