Jake Hillion
179025ad2b
All checks were successful
continuous-integration/drone/push Build is passing
63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
package proxy
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import (
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"mpbl3p/mocks"
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"mpbl3p/shared"
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"testing"
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)
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func TestAppendMac(t *testing.T) {
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testContent := []byte("A test string is the content of this packet.")
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testMac := mocks.AlmostUselessMac{}
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testPacket := SimplePacket(testContent)
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testMarshalled := testPacket.Marshal()
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appended := AppendMac(testMarshalled, testMac)
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t.Run("Length", func(t *testing.T) {
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assert.Len(t, appended, len(testMarshalled)+8+4)
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})
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t.Run("Mac", func(t *testing.T) {
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assert.Equal(t, []byte{'a', 'b', 'c', 'd'}, appended[len(testMarshalled)+8:])
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})
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t.Run("Original", func(t *testing.T) {
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assert.Equal(t, testMarshalled, appended[:len(testMarshalled)])
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})
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}
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func TestStripMac(t *testing.T) {
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testContent := []byte("A test string is the content of this packet.")
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testMac := mocks.AlmostUselessMac{}
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testPacket := SimplePacket(testContent)
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testMarshalled := testPacket.Marshal()
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appended := AppendMac(testMarshalled, testMac)
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t.Run("Length", func(t *testing.T) {
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cut, err := StripMac(appended, testMac)
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require.Nil(t, err)
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assert.Len(t, cut, len(testMarshalled))
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})
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t.Run("IncorrectMac", func(t *testing.T) {
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badMac := make([]byte, len(testMarshalled)+4)
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copy(badMac, testMarshalled)
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copy(badMac[:len(testMarshalled)], "dcba")
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_, err := StripMac(badMac, testMac)
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assert.Error(t, err, shared.ErrBadChecksum)
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})
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t.Run("Original", func(t *testing.T) {
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cut, err := StripMac(appended, testMac)
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require.Nil(t, err)
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assert.Equal(t, testMarshalled, cut)
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})
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}
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