56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package apdu
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import (
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"testing"
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"github.com/status-im/keycard-go/hexutils"
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"github.com/stretchr/testify/assert"
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)
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func TestFindTag(t *testing.T) {
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var (
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tagData []byte
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err error
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)
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data := hexutils.HexToBytes("C1 02 BB CC C2 04 C3 02 11 22 C3 02 88 99")
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tagData, err = FindTag(data, uint8(0xC1))
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assert.NoError(t, err)
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assert.Equal(t, "BB CC", hexutils.BytesToHexWithSpaces(tagData))
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tagData, err = FindTag(data, uint8(0xC2))
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assert.NoError(t, err)
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assert.Equal(t, "C3 02 11 22", hexutils.BytesToHexWithSpaces(tagData))
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tagData, err = FindTag(data, uint8(0xC3))
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assert.NoError(t, err)
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assert.Equal(t, "88 99", hexutils.BytesToHexWithSpaces(tagData))
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tagData, err = FindTag(data, uint8(0xC2), uint8(0xC3))
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assert.NoError(t, err)
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assert.Equal(t, "11 22", hexutils.BytesToHexWithSpaces(tagData))
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// tag not found
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data = hexutils.HexToBytes("C1 00")
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_, err = FindTag(data, uint8(0xC2))
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assert.Equal(t, &ErrTagNotFound{uint8(0xC2)}, err)
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// sub-tag not found
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data = hexutils.HexToBytes("C1 02 C2 00")
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_, err = FindTag(data, uint8(0xC1), uint8(0xC3))
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assert.Equal(t, &ErrTagNotFound{uint8(0xC3)}, err)
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}
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func TestFindTagN(t *testing.T) {
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data := hexutils.HexToBytes("0A 01 A1 0A 01 A2")
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tagData, err := FindTagN(data, 0, uint8(0x0A))
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assert.NoError(t, err)
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assert.Equal(t, "A1", hexutils.BytesToHexWithSpaces(tagData))
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tagData, err = FindTagN(data, 1, uint8(0x0A))
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assert.NoError(t, err)
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assert.Equal(t, "A2", hexutils.BytesToHexWithSpaces(tagData))
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}
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