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package excelize
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestCalcCellValue(t *testing.T) {
prepareData := func() *File {
f := NewFile()
f.SetCellValue("Sheet1", "A1", 1)
f.SetCellValue("Sheet1", "A2", 2)
f.SetCellValue("Sheet1", "A3", 3)
f.SetCellValue("Sheet1", "A4", 0)
f.SetCellValue("Sheet1", "B1", 4)
return f
}
mathCalc := map[string]string{
// ABS
"=ABS(-1)": "1",
"=ABS(-6.5)": "6.5",
"=ABS(6.5)": "6.5",
"=ABS(0)": "0",
"=ABS(2-4.5)": "2.5",
// GCD
"=GCD(1,5)": "1",
"=GCD(15,10,25)": "5",
"=GCD(0,8,12)": "4",
"=GCD(7,2)": "1",
// LCM
"=LCM(1,5)": "5",
"=LCM(15,10,25)": "150",
"=LCM(1,8,12)": "24",
"=LCM(7,2)": "14",
// POWER
"=POWER(4,2)": "16",
// PRODUCT
"=PRODUCT(3,6)": "18",
// SIGN
"=SIGN(9.5)": "1",
"=SIGN(-9.5)": "-1",
"=SIGN(0)": "0",
"=SIGN(0.00000001)": "1",
"=SIGN(6-7)": "-1",
// SQRT
"=SQRT(4)": "2",
// SUM
"=SUM(1,2)": "3",
"=SUM(1,2+3)": "6",
"=SUM(SUM(1,2),2)": "5",
"=(-2-SUM(-4+7))*5": "-25",
"SUM(1,2,3,4,5,6,7)": "28",
"=SUM(1,2)+SUM(1,2)": "6",
"=1+SUM(SUM(1,2*3),4)": "12",
"=1+SUM(SUM(1,-2*3),4)": "0",
"=(-2-SUM(-4*(7+7)))*5": "270",
"=SUM(SUM(1+2/1)*2-3/2,2)": "6.5",
"=((3+5*2)+3)/5+(-6)/4*2+3": "3.2",
"=1+SUM(SUM(1,2*3),4)*-4/2+5+(4+2)*3": "2",
"=1+SUM(SUM(1,2*3),4)*4/3+5+(4+2)*3": "38.666666666666664",
// QUOTIENT
"=QUOTIENT(5, 2)": "2",
"=QUOTIENT(4.5, 3.1)": "1",
"=QUOTIENT(-10, 3)": "-3",
}
for formula, expected := range mathCalc {
f := prepareData()
assert.NoError(t, f.SetCellFormula("Sheet1", "C1", formula))
result, err := f.CalcCellValue("Sheet1", "C1")
assert.NoError(t, err)
assert.Equal(t, expected, result)
}
mathCalcError := map[string]string{
// ABS
"=ABS(1,2)": "ABS requires 1 numeric arguments",
"=ABS(~)": `cannot convert cell "~" to coordinates: invalid cell name "~"`,
// GCD
"=GCD()": "GCD requires at least 1 argument",
"=GCD(-1)": "GCD only accepts positive arguments",
"=GCD(1,-1)": "GCD only accepts positive arguments",
// LCM
"=LCM()": "LCM requires at least 1 argument",
"=LCM(-1)": "LCM only accepts positive arguments",
"=LCM(1,-1)": "LCM only accepts positive arguments",
// POWER
"=POWER(0,0)": "#NUM!",
"=POWER(0,-1)": "#DIV/0!",
"=POWER(1)": "POWER requires 2 numeric arguments",
// SIGN
"=SIGN()": "SIGN requires 1 numeric arguments",
// SQRT
"=SQRT(-1)": "#NUM!",
"=SQRT(1,2)": "SQRT requires 1 numeric arguments",
// QUOTIENT
"=QUOTIENT(1,0)": "#DIV/0!",
"=QUOTIENT(1)": "QUOTIENT requires 2 numeric arguments",
}
for formula, expected := range mathCalcError {
f := prepareData()
assert.NoError(t, f.SetCellFormula("Sheet1", "C1", formula))
result, err := f.CalcCellValue("Sheet1", "C1")
assert.EqualError(t, err, expected)
assert.Equal(t, "", result)
}
referenceCalc := map[string]string{
// PRODUCT
"=PRODUCT(Sheet1!A1:Sheet1!A1:A2,A2)": "4",
// SUM
"=A1/A3": "0.3333333333333333",
"=SUM(A1:A2)": "3",
"=SUM(Sheet1!A1,A2)": "3",
"=(-2-SUM(-4+A2))*5": "0",
"=SUM(Sheet1!A1:Sheet1!A1:A2,A2)": "5",
"=SUM(A1,A2,A3)*SUM(2,3)": "30",
"=1+SUM(SUM(A1+A2/A3)*(2-3),2)": "1.3333333333333335",
"=A1/A2/SUM(A1:A2:B1)": "0.07142857142857142",
"=A1/A2/SUM(A1:A2:B1)*A3": "0.21428571428571427",
}
for formula, expected := range referenceCalc {
f := prepareData()
assert.NoError(t, f.SetCellFormula("Sheet1", "C1", formula))
result, err := f.CalcCellValue("Sheet1", "C1")
assert.NoError(t, err)
assert.Equal(t, expected, result)
}
referenceCalcError := map[string]string{
"=1+SUM(SUM(A1+A2/A4)*(2-3),2)": "#DIV/0!",
}
for formula, expected := range referenceCalcError {
f := prepareData()
assert.NoError(t, f.SetCellFormula("Sheet1", "C1", formula))
result, err := f.CalcCellValue("Sheet1", "C1")
assert.EqualError(t, err, expected)
assert.Equal(t, "", result)
}
// Test get calculated cell value on not formula cell.
f := prepareData()
result, err := f.CalcCellValue("Sheet1", "A1")
assert.NoError(t, err)
assert.Equal(t, "", result)
// Test get calculated cell value on not exists worksheet.
f = prepareData()
_, err = f.CalcCellValue("SheetN", "A1")
assert.EqualError(t, err, "sheet SheetN is not exist")
// Test get calculated cell value with not support formula.
f = prepareData()
assert.NoError(t, f.SetCellFormula("Sheet1", "A1", "=UNSUPPORT(A1)"))
_, err = f.CalcCellValue("Sheet1", "A1")
assert.EqualError(t, err, "not support UNSUPPORT function")
}
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