Function TestSpanIDAndKindToToken

pkg/util/traceid_test.go:162–202

(t *testing.T)

}

func TestSpanIDAndKindToToken(t *testing.T) {
	tc := []struct {
		spanID   []byte
		expected uint64
	}{
		{
			spanID: []byte{0x60, 0xd8, 0xa9, 0xbd},
		},
		{
			spanID: []byte{0x8e, 0xf6, 0x37, 0x90, 0x22, 0x57, 0xb7, 0x43},
		},
		{
			spanID: []byte{0x18, 0xcc, 0xd9, 0x6d, 0x70, 0xc1, 0xbd, 0xf9},
		},
		{
			spanID: []byte{0x8e, 0xf6, 0x37, 0x90, 0x22, 0x57, 0xb7, 0x43, 0xff},
		},
	}

	for _, tt := range tc {
		tokenIDOnly := SpanIDToUint64(tt.spanID)
		tokensForKind := map[uint64]struct{}{}

		for kind := 0; kind < 8; kind++ {
			token := SpanIDAndKindToToken(tt.spanID, kind)

			_, exists := tokensForKind[token]
			assert.False(t, exists, "token expected to be unique for different span kind")
			assert.NotEqual(t, tokenIDOnly, token)
			tokensForKind[token] = struct{}{}
		}
	}

	t.Run("when kind is outside the boundaries", func(t *testing.T) {
		spanID := []byte{0x60}
		t1 := SpanIDAndKindToToken(spanID, 1000)
		t2 := SpanIDAndKindToToken(spanID, -2)

		assert.Equal(t, t1, t2)
	})
}

func TestTokenForID(t *testing.T) {
	h := NewTokenHasher()