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package xlsx
import (
"errors"
"fmt"
"time"
. "gopkg.in/check.v1"
)
type ReadSuite struct{}
var _ = Suite(&ReadSuite{})
var (
errorNoPair = errors.New("Integer to be unmarshaled is not a pair")
errorNotEnoughCells = errors.New("Row has not enough cells")
)
type pairUnmarshaler int
func (i *pairUnmarshaler) Unmarshal(row *Row) error {
if len(row.Cells) == 0 {
return errorNotEnoughCells
}
cellInt, err := row.Cells[0].Int()
if err != nil {
return err
}
if cellInt%2 != 0 {
return errorNoPair
}
*i = pairUnmarshaler(cellInt)
return nil
}
type structUnmarshaler struct {
private bool
custom string
normal int
}
func (s *structUnmarshaler) Unmarshal(r *Row) error {
if len(r.Cells) < 3 {
return errorNotEnoughCells
}
s.private = r.Cells[0].Bool()
var err error
s.normal, err = r.Cells[2].Int()
if err != nil {
return err
}
currency, err := r.Cells[1].FormattedValue()
if err != nil {
return err
}
s.custom = fmt.Sprintf("$ %s", currency)
return nil
}
func (r *RowSuite) TestInterface(c *C) {
var p pairUnmarshaler
var s structUnmarshaler
f := NewFile()
sheet, _ := f.AddSheet("TestReadTime")
row := sheet.AddRow()
values := []interface{}{1, "500", true}
row.WriteSlice(&values, -1)
errPair := row.ReadStruct(&p)
err := row.ReadStruct(&s)
c.Assert(errPair, Equals, errorNoPair)
c.Assert(err, Equals, nil)
var empty pairUnmarshaler
c.Assert(p, Equals, empty)
c.Assert(s.normal, Equals, 1)
c.Assert(s.private, Equals, true)
c.Assert(s.custom, Equals, "$ 500")
}
func (r *RowSuite) TestTime(c *C) {
type Timer struct {
Initial time.Time `xlsx:"0"`
Final time.Time `xlsx:"1"`
}
initial := time.Date(1990, 12, 30, 10, 30, 30, 0, time.UTC)
t := Timer{
Initial: initial,
Final: initial.Add(time.Hour * 24),
}
f := NewFile()
sheet, _ := f.AddSheet("TestReadTime")
row := sheet.AddRow()
row.AddCell().SetDateTime(t.Initial)
ctime2 := row.AddCell()
ctime2.SetDate(t.Final)
t2 := Timer{}
err := row.ReadStruct(&t2)
if err != nil {
c.Error(err)
c.FailNow()
}
//removing ns precition
t2.Initial = t2.Initial.Add(time.Duration(-1 * t2.Initial.Nanosecond()))
t2.Final = t2.Final.Add(time.Duration(-1 * t2.Final.Nanosecond()))
c.Assert(t2.Initial, Equals, t.Initial)
c.Assert(t2.Final, Equals, t.Final)
}
func (r *RowSuite) TestEmbedStruct(c *C) {
type Embed struct {
privateVal bool `xlsx:"0"`
IgnoredVal int `xlsx:"-"`
VisibleVal string `xlsx:"2"`
}
type structTest struct {
Embed
FinalVal string `xlsx:"3"`
}
f := NewFile()
sheet, _ := f.AddSheet("TestRead")
row := sheet.AddRow()
v := structTest{
Embed: Embed{
privateVal: true,
IgnoredVal: 10,
VisibleVal: "--This is a test value--",
},
FinalVal: "--end of struct",
}
values := []string{
fmt.Sprint(v.privateVal),
fmt.Sprint(v.IgnoredVal),
fmt.Sprint(v.VisibleVal),
fmt.Sprint(v.FinalVal),
}
row.WriteSlice(&values, -1)
for _, cell := range row.Cells {
v := cell.String()
c.Log(v)
}
read := new(structTest)
err := row.ReadStruct(read)
if err != nil {
c.Error(err)
c.FailNow()
}
c.Assert(read.privateVal, Equals, false)
c.Assert(read.VisibleVal, Equals, v.VisibleVal)
c.Assert(read.IgnoredVal, Equals, 0)
c.Assert(read.FinalVal, Equals, v.FinalVal)
}
func (r *RowSuite) TestReadStructPrivateFields(c *C) {
type nested struct {
IgnoredVal int `xlsx:"-"`
VisibleVal string `xlsx:"6"`
privateVal bool `xlsx:"7"`
}
type structTest struct {
IntVal int16 `xlsx:"0"`
StringVal string `xlsx:"1"`
FloatVal float64 `xlsx:"2"`
IgnoredVal int `xlsx:"-"`
BoolVal bool `xlsx:"4"`
Nested nested
}
val := structTest{
IntVal: 16,
StringVal: "heyheyhey :)!",
FloatVal: 3.14159216,
IgnoredVal: 7,
BoolVal: true,
Nested: nested{
privateVal: true,
IgnoredVal: 90,
VisibleVal: "Hello",
},
}
writtenValues := []string{
fmt.Sprint(val.IntVal), val.StringVal, fmt.Sprint(val.FloatVal),
fmt.Sprint(val.IgnoredVal), fmt.Sprint(val.BoolVal),
fmt.Sprint(val.Nested.IgnoredVal), val.Nested.VisibleVal,
fmt.Sprint(val.Nested.privateVal),
}
f := NewFile()
sheet, _ := f.AddSheet("TestRead")
row := sheet.AddRow()
row.WriteSlice(&writtenValues, -1)
for i, cell := range row.Cells {
str := cell.String()
c.Log(i, " ", str)
}
readStruct := structTest{}
err := row.ReadStruct(&readStruct)
if err != nil {
c.Error(err)
c.FailNow()
}
c.Assert(err, Equals, nil)
c.Assert(readStruct.IntVal, Equals, val.IntVal)
c.Assert(readStruct.StringVal, Equals, val.StringVal)
c.Assert(readStruct.IgnoredVal, Equals, 0)
c.Assert(readStruct.FloatVal, Equals, val.FloatVal)
c.Assert(readStruct.BoolVal, Equals, val.BoolVal)
c.Assert(readStruct.Nested.IgnoredVal, Equals, 0)
c.Assert(readStruct.Nested.VisibleVal, Equals, "Hello")
c.Assert(readStruct.Nested.privateVal, Equals, false)
}
func (r *RowSuite) TestReadStruct(c *C) {
type structTest struct {
IntVal int8 `xlsx:"0"`
StringVal string `xlsx:"1"`
FloatVal float64 `xlsx:"2"`
IgnoredVal int `xlsx:"-"`
BoolVal bool `xlsx:"4"`
}
structVal := structTest{
IntVal: 10,
StringVal: "heyheyhey :)!",
FloatVal: 3.14159216,
IgnoredVal: 7,
BoolVal: true,
}
f := NewFile()
sheet, _ := f.AddSheet("TestRead")
row := sheet.AddRow()
row.WriteStruct(&structVal, -1)
for i, cell := range row.Cells {
str := cell.String()
c.Log(i, " ", str)
}
readStruct := &structTest{}
err := row.ReadStruct(readStruct)
c.Log(readStruct)
c.Log(structVal)
c.Assert(err, Equals, nil)
c.Assert(readStruct.IntVal, Equals, structVal.IntVal)
c.Assert(readStruct.StringVal, Equals, structVal.StringVal)
c.Assert(readStruct.IgnoredVal, Equals, 0)
c.Assert(readStruct.FloatVal, Equals, structVal.FloatVal)
c.Assert(readStruct.BoolVal, Equals, structVal.BoolVal)
}
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