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currency_test.go
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package dough
import (
"reflect"
"testing"
)
var TestStringToIntData = []struct {
Num string
Alpha string
AllowLoose bool
Output interface{}
}{
// Invalid values
{"", "USD", false, ErrorInvalidStringFormat.Error()},
{" ", "USD", false, ErrorInvalidStringFormat.Error()},
{"abcd", "USD", false, ErrorInvalidStringFormat.Error()},
{"$5", "USA", false, ErrorInvalidISO.Error()},
{"$0.0.5", "USD", false, ErrorInvalidStringFormat.Error()},
{"$5.0", "USD", false, ErrorInvalidISOFractionMatch.Error()},
{"$5.000", "USD", false, ErrorInvalidISOFractionMatch.Error()},
// Loose Validation tests
{"$5.1", "USD", true, 510},
{"$5.", "USD", true, 500},
{"$5.001", "USD", true, 500},
{"$5.101", "USD", true, 510},
// Various Standard values
{"$5", "USD", false, 500},
{"$500", "USD", false, 50000},
{"$-500", "USD", false, -50000},
{"$05", "USD", false, 500},
{"$0.05", "USD", false, 5},
{"$5.52", "USD", false, 552},
{"$0.00", "USD", false, 0},
{"$0.01", "USD", false, 1},
{"$0.10", "USD", false, 10},
{"$1.00", "USD", false, 100},
{"$10.00", "USD", false, 1000},
{"$100.00", "USD", false, 10000},
{"$1,000.00", "USD", false, 100000},
{"$10,000.00", "USD", false, 1000000},
{"$100,000.00", "USD", false, 10000000},
{"$1,000,000.00", "USD", false, 100000000},
// Problematic Numbers
{"$538.92", "USD", false, 53892},
{"$65.85", "USD", false, 6585},
{"$17.99", "USD", false, 1799},
{"538.92", "USD", false, 53892},
{"65.85", "USD", false, 6585},
{"17.99", "USD", false, 1799},
{"$-538.92", "USD", false, -53892},
{"$-65.85", "USD", false, -6585},
{"$-17.99", "USD", false, -1799},
{"-538.92", "USD", false, -53892},
{"-65.85", "USD", false, -6585},
{"-17.99", "USD", false, -1799},
{"-$538.92", "USD", false, -53892},
{"-$65.85", "USD", false, -6585},
{"-$17.99", "USD", false, -1799},
// Non USD
{"$100.00,00", "ARS", false, 1000000},
{"$10,000,000", "JPY", false, 10000000},
}
func TestStringToInt(t *testing.T) {
// Test various structs
for _, v := range TestStringToIntData {
result, err := StringToInt(v.Num, v.Alpha, v.AllowLoose)
if err != nil {
if err.Error() != v.Output {
t.Error("Expected:", v.Output, "Error:", err.Error())
}
} else if result != v.Output {
t.Error("Expected:", v.Output, "Got:", result)
}
}
// Test seeding numbers
for _, v := range TestLargeNums {
result, err := StringToInt(v.String2, "USD")
if err != nil {
t.Error(err)
}
if result != v.Integer {
t.Error("Expected:", v.Integer, "Got:", result)
}
}
}
func BenchmarkStringToInt(b *testing.B) {
// run the Fib function b.N times
for n := 0; n < b.N; n++ {
StringToInt("12,345,678.99", "USD")
}
}
func BenchmarkStringToIntLoose(b *testing.B) {
// run the Fib function b.N times
for n := 0; n < b.N; n++ {
StringToInt("12,345,678.99", "USD", true)
}
}
var TestDisplayFullData = []struct {
Amount int
Alpha string
Output string
}{
{0, "USA", ErrorInvalidISO.Error()},
{0, "USD", "$0.00"},
{1, "USD", "$0.01"},
{10, "USD", "$0.10"},
{100, "USD", "$1.00"},
{1000, "USD", "$10.00"},
{10000, "USD", "$100.00"},
{100000, "USD", "$1,000.00"},
{1000000, "USD", "$10,000.00"},
{10000000, "USD", "$100,000.00"},
{100000000, "USD", "$1,000,000.00"},
{0, "AED", "0.00\u0625\u002E\u062F"},
{1, "AED", "0.01\u0625\u002E\u062F"},
{10, "AED", "0.10\u0625\u002E\u062F"},
{100, "AED", "1.00\u0625\u002E\u062F"},
{1000, "AED", "10.00\u0625\u002E\u062F"},
{10000, "AED", "100.00\u0625\u002E\u062F"},
{100000, "AED", "1,000.00\u0625\u002E\u062F"},
{1000000, "AED", "10,000.00\u0625\u002E\u062F"},
{10000000, "AED", "100,000.00\u0625\u002E\u062F"},
{100000000, "AED", "1,000,000.00\u0625\u002E\u062F"},
{0, "AED", "0.00\u0625\u002E\u062F"},
{-1, "AED", "-0.01\u0625\u002E\u062F"},
{-10, "AED", "-0.10\u0625\u002E\u062F"},
{-100, "AED", "-1.00\u0625\u002E\u062F"},
{-1000, "AED", "-10.00\u0625\u002E\u062F"},
{-10000, "AED", "-100.00\u0625\u002E\u062F"},
{-100000, "AED", "-1,000.00\u0625\u002E\u062F"},
{-1000000, "AED", "-10,000.00\u0625\u002E\u062F"},
{-10000000, "AED", "-100,000.00\u0625\u002E\u062F"},
{-100000000, "AED", "-1,000,000.00\u0625\u002E\u062F"},
{-0, "USD", "$0.00"},
{-1, "USD", "$-0.01"},
{-10, "USD", "$-0.10"},
{-100, "USD", "$-1.00"},
{-1000, "USD", "$-10.00"},
{-10000, "USD", "$-100.00"},
{-100000, "USD", "$-1,000.00"},
{-1000000, "USD", "$-10,000.00"},
{-10000000, "USD", "$-100,000.00"},
{-100000000, "USD", "$-1,000,000.00"},
}
func TestDisplayFull(t *testing.T) {
for _, v := range TestDisplayFullData {
result, err := DisplayFull(v.Amount, v.Alpha)
if err != nil {
if err.Error() != v.Output {
t.Error(err.Error())
}
} else if result != v.Output {
t.Error(result)
}
}
}
var TestDisplayWithAlphaData = []struct {
Amount int
Alpha string
Output string
}{
{0, "USA", ErrorInvalidISO.Error()},
{0, "USD", "USD 0.00"},
{-1, "USD", "USD -0.01"},
}
func TestDisplayWithAlpha(t *testing.T) {
for _, v := range TestDisplayWithAlphaData {
result, err := DisplayWithAlpha(v.Amount, v.Alpha)
if err != nil {
if err.Error() != v.Output {
t.Error(err.Error())
}
} else if result != v.Output {
t.Error(result)
}
}
}
var TestDisplayNoSymbolData = []struct {
Num int
Alpha string
Output string
}{
{0, "USA", ErrorInvalidISO.Error()},
{0, "USD", "0.00"},
{1, "USD", "0.01"},
{10, "USD", "0.10"},
{100, "USD", "1.00"},
{1000, "USD", "10.00"},
{10000, "USD", "100.00"},
{100000, "USD", "1,000.00"},
{-1, "USD", "-0.01"},
{-10, "USD", "-0.10"},
{-100, "USD", "-1.00"},
{-1000, "USD", "-10.00"},
{-10000, "USD", "-100.00"},
{-100000, "USD", "-1,000.00"},
}
func TestDisplayNoSymbol(t *testing.T) {
for _, v := range TestDisplayNoSymbolData {
result, err := DisplayNoSymbol(v.Num, v.Alpha)
if err != nil {
if err.Error() != v.Output {
t.Error(err.Error())
}
} else if result != v.Output {
t.Error(result)
}
}
}
var TestDisplayWithDecimalData = []struct {
Num int
Alpha string
Output string
}{
{0, "USA", ErrorInvalidISO.Error()},
{0, "USD", "0.00"},
{1, "USD", "0.01"},
{10, "USD", "0.10"},
{100, "USD", "1.00"},
{1000, "USD", "10.00"},
{10000, "USD", "100.00"},
{100000, "USD", "1000.00"},
{-1, "USD", "-0.01"},
{-10, "USD", "-0.10"},
{-100, "USD", "-1.00"},
{-1000, "USD", "-10.00"},
{-10000, "USD", "-100.00"},
{-100000, "USD", "-1000.00"},
}
func TestDisplayWithDecimal(t *testing.T) {
for _, v := range TestDisplayWithDecimalData {
result, err := DisplayWithDecimal(v.Num, v.Alpha)
if err != nil {
if err.Error() != v.Output {
t.Error(err.Error())
}
} else if result != v.Output {
t.Error(result)
}
}
}
func TestTopCurrencies(t *testing.T) {
_, err := TopCurrencies()
if err != nil {
t.Error("Could not find all valid currencies from list")
}
}
var TestListCurrenciesData = []struct {
Input []string
Output interface{}
}{
{[]string{"USA"}, ErrorInvalidISO},
{[]string{"USD"}, []Currency{{Unit: "US Dollar", Alpha: "USD", Numeric: "840", Symbol: "\u0024", Fraction: 2, Decimal: ".", Grouping: 3, Delimiter: ",", SymbolPositionFront: true}}},
{[]string{"AED"}, []Currency{{Unit: "UAE Dirham", Alpha: "AED", Numeric: "784", Symbol: "\u0625\u002E\u062F", Fraction: 2, Decimal: ".", Grouping: 3, Delimiter: ",", SymbolPositionFront: false}}},
{[]string{"USD", "GBP"}, []Currency{{Unit: "US Dollar", Alpha: "USD", Numeric: "840", Symbol: "\u0024", Fraction: 2, Decimal: ".", Grouping: 3, Delimiter: ",", SymbolPositionFront: true}, {Unit: "Pound Sterling", Alpha: "GBP", Numeric: "826", Symbol: "£", Fraction: 2, Decimal: ".", Grouping: 3, Delimiter: ",", SymbolPositionFront: true}}},
}
func TestListCurrencies(t *testing.T) {
for _, v := range TestListCurrenciesData {
result, err := ListCurrencies(v.Input)
if err != nil {
if err != v.Output {
t.Error(err.Error())
}
} else if reflect.DeepEqual(result, v.Output) != true {
t.Error(result)
}
}
}
func TestConversions(t *testing.T) {
var data = []struct {
Amount int
Alpha string
Output string
}{
{0, "USD", "$0.00"},
{1, "USD", "$0.01"},
{10, "USD", "$0.10"},
{100, "USD", "$1.00"},
{1000, "USD", "$10.00"},
{10000, "USD", "$100.00"},
{100000, "USD", "$1,000.00"},
{0, "CAD", "CA$0.00"},
{1, "CAD", "CA$0.01"},
{10, "CAD", "CA$0.10"},
{100, "CAD", "CA$1.00"},
{1000, "CAD", "CA$10.00"},
{10000, "CAD", "CA$100.00"},
{100000, "CAD", "CA$1,000.00"},
{0, "MXN", "$0.00"},
{1, "MXN", "$0.01"},
{10, "MXN", "$0.10"},
{100, "MXN", "$1.00"},
{1000, "MXN", "$10.00"},
{10000, "MXN", "$100.00"},
{100000, "MXN", "$1,000.00"},
{0, "AUD", "$0.00"},
{1, "AUD", "$0.01"},
{10, "AUD", "$0.10"},
{100, "AUD", "$1.00"},
{1000, "AUD", "$10.00"},
{10000, "AUD", "$100.00"},
{100000, "AUD", "$1 000.00"},
{0, "GBP", "\u00a30.00"},
{1, "GBP", "\u00a30.01"},
{10, "GBP", "\u00a30.10"},
{100, "GBP", "\u00a31.00"},
{1000, "GBP", "\u00a310.00"},
{10000, "GBP", "\u00a3100.00"},
{100000, "GBP", "\u00a31,000.00"},
{0, "SEK", "\u006b\u00720.00"},
{1, "SEK", "\u006b\u00720.01"},
{10, "SEK", "\u006b\u00720.10"},
{100, "SEK", "\u006b\u00721.00"},
{1000, "SEK", "\u006b\u007210.00"},
{10000, "SEK", "\u006b\u0072100.00"},
{100000, "SEK", "\u006b\u00721,000.00"},
{0, "PHP", "\u20b10.00"},
{1, "PHP", "\u20b10.01"},
{10, "PHP", "\u20b10.10"},
{100, "PHP", "\u20b11.00"},
{1000, "PHP", "\u20b110.00"},
{10000, "PHP", "\u20b1100.00"},
{100000, "PHP", "\u20b11,000.00"},
{0, "NOK", "\u006b\u00720.00"},
{1, "NOK", "\u006b\u00720.01"},
{10, "NOK", "\u006b\u00720.10"},
{100, "NOK", "\u006b\u00721.00"},
{1000, "NOK", "\u006b\u007210.00"},
{10000, "NOK", "\u006b\u0072100.00"},
{100000, "NOK", "\u006b\u00721,000.00"},
{0, "DKK", "\u006b\u0072\u002e0.00"},
{1, "DKK", "\u006b\u0072\u002e0.01"},
{10, "DKK", "\u006b\u0072\u002e0.10"},
{100, "DKK", "\u006b\u0072\u002e1.00"},
{1000, "DKK", "\u006b\u0072\u002e10.00"},
{10000, "DKK", "\u006b\u0072\u002e100.00"},
{100000, "DKK", "\u006b\u0072\u002e1,000.00"},
{0, "EUR", "\u20ac0.00"},
{1, "EUR", "\u20ac0.01"},
{10, "EUR", "\u20ac0.10"},
{100, "EUR", "\u20ac1.00"},
{1000, "EUR", "\u20ac10.00"},
{10000, "EUR", "\u20ac100.00"},
{100000, "EUR", "\u20ac1,000.00"},
{0, "JPY", "\u00a50"},
{1, "JPY", "\u00a51"},
{10, "JPY", "\u00a510"},
{100, "JPY", "\u00a5100"},
{1000, "JPY", "\u00a51000"},
{10000, "JPY", "\u00a510000"},
{100000, "JPY", "\u00a5100000"},
}
for _, d := range data {
i, err := GetISOFromAlpha(d.Alpha)
if err != nil {
t.Error(err)
}
s := FormatCurrency(d.Amount, i)
if s != d.Output {
t.Error("not a match")
}
}
}