Files
dolt/samples/go/csv/csv_reader_test.go

84 lines
2.2 KiB
Go

// Copyright 2016 Attic Labs, Inc. All rights reserved.
// Licensed under the Apache License, version 2.0:
// http://www.apache.org/licenses/LICENSE-2.0
package csv
import (
"bytes"
"strings"
"testing"
"github.com/attic-labs/testify/assert"
)
func TestCR(t *testing.T) {
testFile := []byte("a,b,c\r1,2,3\r")
delimiter, err := StringToRune(",")
r := NewCSVReader(bytes.NewReader(testFile), delimiter)
lines, err := r.ReadAll()
assert.NoError(t, err, "An error occurred while reading the data: %v", err)
if len(lines) != 2 {
t.Errorf("Wrong number of lines. Expected 2, got %d", len(lines))
}
}
func TestLF(t *testing.T) {
testFile := []byte("a,b,c\n1,2,3\n")
delimiter, err := StringToRune(",")
r := NewCSVReader(bytes.NewReader(testFile), delimiter)
lines, err := r.ReadAll()
assert.NoError(t, err, "An error occurred while reading the data: %v", err)
if len(lines) != 2 {
t.Errorf("Wrong number of lines. Expected 2, got %d", len(lines))
}
}
func TestCRLF(t *testing.T) {
testFile := []byte("a,b,c\r\n1,2,3\r\n")
delimiter, err := StringToRune(",")
r := NewCSVReader(bytes.NewReader(testFile), delimiter)
lines, err := r.ReadAll()
assert.NoError(t, err, "An error occurred while reading the data: %v", err)
if len(lines) != 2 {
t.Errorf("Wrong number of lines. Expected 2, got %d", len(lines))
}
}
func TestCRInQuote(t *testing.T) {
testFile := []byte("a,\"foo,\rbar\",c\r1,\"2\r\n2\",3\r")
delimiter, err := StringToRune(",")
r := NewCSVReader(bytes.NewReader(testFile), delimiter)
lines, err := r.ReadAll()
assert.NoError(t, err, "An error occurred while reading the data: %v", err)
if len(lines) != 2 {
t.Errorf("Wrong number of lines. Expected 2, got %d", len(lines))
}
if strings.Contains(lines[1][1], "\n\n") {
t.Error("The CRLF was converted to a LFLF")
}
}
func TestCRLFEndOfBufferLength(t *testing.T) {
testFile := make([]byte, 4096*2, 4096*2)
testFile[4095] = 13 // \r byte
testFile[4096] = 10 // \n byte
delimiter, err := StringToRune(",")
r := NewCSVReader(bytes.NewReader(testFile), delimiter)
lines, err := r.ReadAll()
assert.NoError(t, err, "An error occurred while reading the data: %v", err)
if len(lines) != 2 {
t.Errorf("Wrong number of lines. Expected 2, got %d", len(lines))
}
}