forked from p30928647/excelize
117 lines
4.0 KiB
Go
117 lines
4.0 KiB
Go
package excelize
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import (
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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type dateTest struct {
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ExcelValue float64
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GoValue time.Time
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}
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var trueExpectedDateList = []dateTest{
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{0.0000000000000000, time.Date(1899, time.December, 30, 0, 0, 0, 0, time.UTC)},
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{25569.000000000000, time.Unix(0, 0).UTC()},
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// Expected values extracted from real spreadsheet
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{1.0000000000000000, time.Date(1900, time.January, 1, 0, 0, 0, 0, time.UTC)},
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{1.0000115740740740, time.Date(1900, time.January, 1, 0, 0, 1, 0, time.UTC)},
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{1.0006944444444446, time.Date(1900, time.January, 1, 0, 1, 0, 0, time.UTC)},
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{1.0416666666666667, time.Date(1900, time.January, 1, 1, 0, 0, 0, time.UTC)},
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{2.0000000000000000, time.Date(1900, time.January, 2, 0, 0, 0, 0, time.UTC)},
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{43269.000000000000, time.Date(2018, time.June, 18, 0, 0, 0, 0, time.UTC)},
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{43542.611111111109, time.Date(2019, time.March, 18, 14, 40, 0, 0, time.UTC)},
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{401769.00000000000, time.Date(3000, time.January, 1, 0, 0, 0, 0, time.UTC)},
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}
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var excelTimeInputList = []dateTest{
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{0.0, time.Date(1899, 12, 30, 0, 0, 0, 0, time.UTC)},
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{60.0, time.Date(1900, 2, 28, 0, 0, 0, 0, time.UTC)},
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{61.0, time.Date(1900, 3, 1, 0, 0, 0, 0, time.UTC)},
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{41275.0, time.Date(2013, 1, 1, 0, 0, 0, 0, time.UTC)},
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{44450.3333333333, time.Date(2021, time.September, 11, 8, 0, 0, 0, time.UTC)},
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{401769.0, time.Date(3000, 1, 1, 0, 0, 0, 0, time.UTC)},
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}
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func TestTimeToExcelTime(t *testing.T) {
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for i, test := range trueExpectedDateList {
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t.Run(fmt.Sprintf("TestData%d", i+1), func(t *testing.T) {
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excelTime, err := timeToExcelTime(test.GoValue, false)
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assert.NoError(t, err)
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assert.Equalf(t, test.ExcelValue, excelTime,
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"Time: %s", test.GoValue.String())
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})
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}
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}
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func TestTimeToExcelTime_Timezone(t *testing.T) {
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location, err := time.LoadLocation("America/Los_Angeles")
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if !assert.NoError(t, err) {
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t.FailNow()
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}
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for i, test := range trueExpectedDateList {
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t.Run(fmt.Sprintf("TestData%d", i+1), func(t *testing.T) {
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_, err := timeToExcelTime(test.GoValue.In(location), false)
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assert.NoError(t, err)
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})
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}
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}
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func TestTimeFromExcelTime(t *testing.T) {
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for i, test := range excelTimeInputList {
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t.Run(fmt.Sprintf("TestData%d", i+1), func(t *testing.T) {
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assert.Equal(t, test.GoValue, timeFromExcelTime(test.ExcelValue, false))
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})
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}
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for hour := 0; hour < 24; hour++ {
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for min := 0; min < 60; min++ {
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for sec := 0; sec < 60; sec++ {
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date := time.Date(2021, time.December, 30, hour, min, sec, 0, time.UTC)
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// Test use 1900 date system
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excel1900Time, err := timeToExcelTime(date, false)
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assert.NoError(t, err)
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date1900Out := timeFromExcelTime(excel1900Time, false)
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assert.EqualValues(t, hour, date1900Out.Hour())
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assert.EqualValues(t, min, date1900Out.Minute())
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assert.EqualValues(t, sec, date1900Out.Second())
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// Test use 1904 date system
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excel1904Time, err := timeToExcelTime(date, true)
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assert.NoError(t, err)
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date1904Out := timeFromExcelTime(excel1904Time, true)
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assert.EqualValues(t, hour, date1904Out.Hour())
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assert.EqualValues(t, min, date1904Out.Minute())
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assert.EqualValues(t, sec, date1904Out.Second())
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}
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}
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}
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}
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func TestTimeFromExcelTime_1904(t *testing.T) {
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julianDays, julianFraction := shiftJulianToNoon(1, -0.6)
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assert.Equal(t, julianDays, 0.0)
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assert.Equal(t, julianFraction, 0.9)
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julianDays, julianFraction = shiftJulianToNoon(1, 0.1)
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assert.Equal(t, julianDays, 1.0)
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assert.Equal(t, julianFraction, 0.6)
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assert.Equal(t, timeFromExcelTime(61, true), time.Date(1904, time.March, 2, 0, 0, 0, 0, time.UTC))
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assert.Equal(t, timeFromExcelTime(62, true), time.Date(1904, time.March, 3, 0, 0, 0, 0, time.UTC))
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}
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func TestExcelDateToTime(t *testing.T) {
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// Check normal case
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for i, test := range excelTimeInputList {
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t.Run(fmt.Sprintf("TestData%d", i+1), func(t *testing.T) {
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timeValue, err := ExcelDateToTime(test.ExcelValue, false)
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assert.Equal(t, test.GoValue, timeValue)
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assert.NoError(t, err)
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})
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}
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// Check error case
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_, err := ExcelDateToTime(-1, false)
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assert.EqualError(t, err, newInvalidExcelDateError(-1).Error())
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}
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