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superchain_test.go
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package params
import (
"fmt"
"testing"
)
type HumanProtocolVersion struct {
VersionType uint8
Major, Minor, Patch uint32
Prerelease uint32
Build [8]byte
}
type ComparisonCase struct {
A, B HumanProtocolVersion
Cmp ProtocolVersionComparison
}
func TestProtocolVersion_Compare(t *testing.T) {
testCases := []ComparisonCase{
{
A: HumanProtocolVersion{0, 2, 1, 1, 1, [8]byte{}},
B: HumanProtocolVersion{0, 1, 2, 2, 2, [8]byte{}},
Cmp: AheadMajor,
},
{
A: HumanProtocolVersion{0, 1, 2, 1, 1, [8]byte{}},
B: HumanProtocolVersion{0, 1, 1, 2, 2, [8]byte{}},
Cmp: AheadMinor,
},
{
A: HumanProtocolVersion{0, 1, 1, 2, 1, [8]byte{}},
B: HumanProtocolVersion{0, 1, 1, 1, 2, [8]byte{}},
Cmp: AheadPatch,
},
{
A: HumanProtocolVersion{0, 1, 1, 1, 2, [8]byte{}},
B: HumanProtocolVersion{0, 1, 1, 1, 1, [8]byte{}},
Cmp: AheadPrerelease,
},
{
A: HumanProtocolVersion{0, 1, 2, 3, 4, [8]byte{}},
B: HumanProtocolVersion{0, 1, 2, 3, 4, [8]byte{}},
Cmp: Matching,
},
{
A: HumanProtocolVersion{0, 3, 2, 1, 5, [8]byte{3}},
B: HumanProtocolVersion{1, 1, 2, 3, 3, [8]byte{6}},
Cmp: DiffVersionType,
},
{
A: HumanProtocolVersion{0, 3, 2, 1, 5, [8]byte{3}},
B: HumanProtocolVersion{0, 1, 2, 3, 3, [8]byte{6}},
Cmp: DiffBuild,
},
{
A: HumanProtocolVersion{0, 0, 0, 0, 0, [8]byte{}},
B: HumanProtocolVersion{0, 1, 3, 3, 3, [8]byte{3}},
Cmp: EmptyVersion,
},
{
A: HumanProtocolVersion{0, 4, 0, 0, 0, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 0, 1, [8]byte{}},
Cmp: AheadMajor,
},
{
A: HumanProtocolVersion{0, 4, 1, 0, 0, [8]byte{}},
B: HumanProtocolVersion{0, 4, 1, 0, 1, [8]byte{}},
Cmp: AheadMinor,
},
{
A: HumanProtocolVersion{0, 4, 0, 1, 0, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 1, 1, [8]byte{}},
Cmp: AheadPatch,
},
{
A: HumanProtocolVersion{0, 4, 0, 0, 2, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 0, 1, [8]byte{}},
Cmp: AheadPrerelease,
},
{
A: HumanProtocolVersion{0, 4, 1, 0, 1, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 0, 0, [8]byte{}},
Cmp: AheadPatch,
},
{
A: HumanProtocolVersion{0, 4, 0, 1, 1, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 0, 0, [8]byte{}},
Cmp: AheadPrerelease,
},
{
A: HumanProtocolVersion{0, 4, 1, 1, 1, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 0, 0, [8]byte{}},
Cmp: AheadMinor,
},
{
A: HumanProtocolVersion{0, 4, 0, 2, 1, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 0, 0, [8]byte{}},
Cmp: AheadPatch,
},
{
A: HumanProtocolVersion{0, 5, 0, 1, 1, [8]byte{}},
B: HumanProtocolVersion{0, 4, 0, 0, 0, [8]byte{}},
Cmp: AheadMajor,
},
{
A: HumanProtocolVersion{0, 1, 0, 0, 1, [8]byte{}},
B: HumanProtocolVersion{0, 0, 9, 0, 0, [8]byte{}},
Cmp: AheadMinor,
},
{
A: HumanProtocolVersion{0, 0, 1, 0, 1, [8]byte{}},
B: HumanProtocolVersion{0, 0, 0, 9, 0, [8]byte{}},
Cmp: AheadPatch,
},
{
A: HumanProtocolVersion{0, 1, ^uint32(0), 0, 1, [8]byte{}},
B: HumanProtocolVersion{0, 0, 1, 0, 0, [8]byte{}},
Cmp: InvalidVersion,
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("case_%d", i), func(t *testing.T) {
a := ProtocolVersionV0{tc.A.Build, tc.A.Major, tc.A.Minor, tc.A.Patch, tc.A.Prerelease}.Encode()
a[0] = tc.A.VersionType
b := ProtocolVersionV0{tc.B.Build, tc.B.Major, tc.B.Minor, tc.B.Patch, tc.B.Prerelease}.Encode()
b[0] = tc.B.VersionType
cmp := a.Compare(b)
if cmp != tc.Cmp {
t.Fatalf("expected %d but got %d", tc.Cmp, cmp)
}
switch tc.Cmp {
case AheadMajor, AheadMinor, AheadPatch, AheadPrerelease:
inv := b.Compare(a)
if inv != -tc.Cmp {
t.Fatalf("expected inverse when reversing the comparison, %d but got %d", -tc.Cmp, inv)
}
case DiffVersionType, DiffBuild, EmptyVersion, Matching:
inv := b.Compare(a)
if inv != tc.Cmp {
t.Fatalf("expected comparison reversed to hold the same, expected %d but got %d", tc.Cmp, inv)
}
}
})
}
}
func TestProtocolVersion_String(t *testing.T) {
testCases := []struct {
version ProtocolVersion
expected string
}{
{ProtocolVersionV0{[8]byte{}, 0, 0, 0, 0}.Encode(), "v0.0.0"},
{ProtocolVersionV0{[8]byte{}, 0, 0, 0, 1}.Encode(), "v0.0.0-1"},
{ProtocolVersionV0{[8]byte{}, 0, 0, 1, 0}.Encode(), "v0.0.1"},
{ProtocolVersionV0{[8]byte{}, 4, 3, 2, 1}.Encode(), "v4.3.2-1"},
{ProtocolVersionV0{[8]byte{}, 0, 100, 2, 0}.Encode(), "v0.100.2"},
{ProtocolVersionV0{[8]byte{'O', 'P', '-', 'm', 'o', 'd'}, 42, 0, 2, 1}.Encode(), "v42.0.2-1+OP-mod"},
{ProtocolVersionV0{[8]byte{'b', 'e', 't', 'a', '.', '1', '2', '3'}, 1, 0, 0, 0}.Encode(), "v1.0.0+beta.123"},
{ProtocolVersionV0{[8]byte{'a', 'b', 1}, 42, 0, 2, 0}.Encode(), "v42.0.2+0x6162010000000000"}, // do not render invalid alpha numeric
{ProtocolVersionV0{[8]byte{1, 2, 3, 4, 5, 6, 7, 8}, 42, 0, 2, 0}.Encode(), "v42.0.2+0x0102030405060708"},
}
for _, tc := range testCases {
t.Run(tc.expected, func(t *testing.T) {
got := tc.version.String()
if got != tc.expected {
t.Fatalf("got %q but expected %q", got, tc.expected)
}
})
}
}