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funds_test.go
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funds_test.go
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package p24
import (
"strconv"
"testing"
"github.com/stretchr/testify/require"
)
func Test_Amount(t *testing.T) {
t.Run("MarshalText", func(t *testing.T) {
cases := []struct {
expected []byte
a Amount
}{
{[]byte("0"), 0},
{[]byte("0.01"), 1},
{[]byte("0.20"), 20},
{[]byte("21"), 2100},
{[]byte("100.09"), 10009},
{[]byte("100.90"), 10090},
{[]byte("100.89"), 10089},
{[]byte("-0.01"), -1},
{[]byte("-0.20"), -20},
{[]byte("-21"), -2100},
{[]byte("-100.09"), -10009},
{[]byte("-100.90"), -10090},
{[]byte("-100.89"), -10089},
}
for i, c := range cases {
c := c
t.Run(strconv.Itoa(i), func(t *testing.T) {
actual, err := c.a.MarshalText()
require.NoError(t, err)
require.Equal(t, string(c.expected), string(actual))
})
}
})
t.Run("UnmarshalText", func(t *testing.T) {
cases := []struct {
text []byte
expected Amount
errMsg string
}{
{[]byte("0"), 0, ""},
{[]byte("0.01"), 1, ""},
{[]byte("0.20"), 20, ""},
{[]byte("21"), 2100, ""},
{[]byte("100.09"), 10009, ""},
{[]byte("100.90"), 10090, ""},
{[]byte("100.89"), 10089, ""},
{[]byte("-0.01"), -1, ""},
{[]byte("-0.20"), -20, ""},
{[]byte("-21"), -2100, ""},
{[]byte("-100.09"), -10009, ""},
{[]byte("-100.90"), -10090, ""},
{[]byte("-100.89"), -10089, ""},
{[]byte("1.15"), 115, ""},
{[]byte(""), 0, "parsing"},
{[]byte("31.as"), 0, "parsing"},
{[]byte("as.31"), 0, "parsing"},
{[]byte("hello"), 0, "parsing"},
{[]byte("-32.-89"), 0, "parsing"},
}
for i, c := range cases {
c := c
t.Run(strconv.Itoa(i), func(t *testing.T) {
var actual Amount
if err := actual.UnmarshalText(c.text); err != nil {
require.NotEmpty(t, c.errMsg, err)
require.ErrorContains(t, err, c.errMsg)
return
}
require.Empty(t, c.errMsg)
require.Equal(t, c.expected, actual)
})
}
})
}
func Test_Funds(t *testing.T) {
t.Run("MarshalText", func(t *testing.T) {
cases := []struct {
expected []byte
funds Funds
}{
{[]byte("0 UAH"), Funds{"UAH", 0}},
{[]byte("0 "), Funds{"", 0}},
{[]byte("21 UAH"), Funds{"UAH", 2100}},
{[]byte("100.09 USD"), Funds{"USD", 10009}},
{[]byte("100.90 USD"), Funds{"USD", 10090}},
{[]byte("100.89 BTC"), Funds{"BTC", 10089}},
{[]byte("-21 EUR"), Funds{"EUR", -2100}},
{[]byte("-100.09 ETH"), Funds{"ETH", -10009}},
{[]byte("-100.90 ETH"), Funds{"ETH", -10090}},
{[]byte("-100.89 RUB"), Funds{"RUB", -10089}},
}
for i, c := range cases {
c := c
t.Run(strconv.Itoa(i), func(t *testing.T) {
actual, _ := c.funds.MarshalText()
require.Equal(t, string(c.expected), string(actual))
})
}
})
t.Run("UnmarshalText", func(t *testing.T) {
cases := []struct {
text []byte
expected Funds
errMsg string
}{
{[]byte("0 UAH"), Funds{"UAH", 0}, ""},
{[]byte("21 UAH"), Funds{"UAH", 2100}, ""},
{[]byte("100.09 USD"), Funds{"USD", 10009}, ""},
{[]byte("100.90 USD"), Funds{"USD", 10090}, ""},
{[]byte("100.89 BTC"), Funds{"BTC", 10089}, ""},
{[]byte("-21 EUR"), Funds{"EUR", -2100}, ""},
{[]byte("-100.09 ETH"), Funds{"ETH", -10009}, ""},
{[]byte("-100.90 ETH"), Funds{"ETH", -10090}, ""},
{[]byte("-100.89 RUB"), Funds{"RUB", -10089}, ""},
{[]byte(""), Funds{}, "parsing"},
{[]byte("31.as USD"), Funds{}, "parsing"},
{[]byte("as.31 USD"), Funds{}, "parsing"},
{[]byte("hello USD"), Funds{}, "parsing"},
{[]byte("-32.-89 USD"), Funds{}, "parsing"},
}
for i, c := range cases {
c := c
t.Run(strconv.Itoa(i), func(t *testing.T) {
var actual Funds
if err := actual.UnmarshalText(c.text); err != nil {
require.NotEmpty(t, c.errMsg)
require.ErrorContains(t, err, c.errMsg)
return
}
require.Empty(t, c.errMsg)
require.Equal(t, c.expected, actual)
})
}
})
}