hugo/tpl/lang/lang_test.go
Cameron Moore 93b3b13867 tpl/lang: Add NumFmt function
NumFmt formats a number with a given precision using the requested
decimal, grouping, and negative characters.

Fixes #1444
2017-05-18 09:49:20 +03:00

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package lang
import (
"fmt"
"testing"
"github.com/spf13/hugo/deps"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestNumFormat(t *testing.T) {
t.Parallel()
ns := New(&deps.Deps{})
cases := []struct {
prec int
n float64
runes string
want string
}{
{2, -12345.6789, "", "-12,345.68"},
{2, -12345.6789, "- . ,", "-12,345.68"},
{2, -12345.1234, "- . ,", "-12,345.12"},
{2, 12345.6789, "- . ,", "12,345.68"},
{0, 12345.6789, "- . ,", "12,346"},
{11, -12345.6789, "- . ,", "-12,345.67890000000"},
{3, -12345.6789, "- ,", "-12345,679"},
{6, -12345.6789, "- , .", "-12.345,678900"},
// Arabic, ar_AE
{6, -12345.6789, "- ٫ ٬", "-12٬345٫678900"},
}
for i, c := range cases {
errMsg := fmt.Sprintf("[%d] %v", i, c)
var s string
var err error
if len(c.runes) == 0 {
s, err = ns.NumFmt(c.prec, c.n)
} else {
s, err = ns.NumFmt(c.prec, c.n, c.runes)
}
require.NoError(t, err, errMsg)
assert.Equal(t, c.want, s, errMsg)
}
}