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semverpair_test.go
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semverpair_test.go
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package semverpair
import (
"math/rand"
"strings"
"testing"
qt "github.com/frankban/quicktest"
"golang.org/x/mod/semver"
)
func TestSemverPair(t *testing.T) {
c := qt.New(t)
for _, test := range []struct {
v1 string
v2 string
expect string
}{
{"v3.1.0", "v3.0.0", "v3.110.100"},
{"v3.1.1", "v3.0.0", "v3.110.110"},
{"v3.1.1", "v3.1.1", "v3.111.111"},
{"v3.0.0", "v3.0.0", "v3.100.100"},
{"v3.0.0", "v3.1.0", "v3.101.100"},
{"v3.0.0", "v3.11.0", "v3.20011.100"},
{"v3.6.5", "v3.3.2", "v3.163.152"},
{"v3.6.5", "v3.13.24", "v3.20613.20524"},
{"v3.6.5", "v3.99.99", "v3.20699.20599"},
{"v3.88.43", "v3.13.24", "v3.28813.24324"},
{"v3.888888.43", "v3.13.24", "v3.6888888000013.24324"},
} {
v1, v2 := splitSemver(test.v1), splitSemver(test.v2)
c.Assert(semver.IsValid(test.v1), qt.Equals, true)
c.Assert(semver.IsValid(test.v2), qt.Equals, true)
encoded := Encode(Pair{First: v1, Second: v2})
c.Assert(semver.IsValid(encoded.String()), qt.Equals, true, qt.Commentf(encoded.String()))
c.Assert(encoded.String(), qt.Equals, test.expect)
c.Assert(semver.Compare(test.v1, encoded.String()), qt.Equals, -1, qt.Commentf("%s < %s", test.v1, encoded.String()))
decoded := Decode(encoded)
c.Assert(decoded.First.String(), qt.Equals, test.v1, qt.Commentf(encoded.String()))
c.Assert(decoded.Second, qt.Equals, v2, qt.Commentf(encoded.String()))
encodeAndCheckGreaterThan := func(pair Pair, lesserVersion string) {
encoded := Encode(pair)
c.Assert(semver.Compare(encoded.String(), lesserVersion), qt.Equals, 1, qt.Commentf("%s > %s", encoded.String(), lesserVersion))
}
basePair := Pair{First: v1, Second: v2}
lesserVersion := Encode(basePair).String()
basePair.First.Patch++
encodeAndCheckGreaterThan(basePair, lesserVersion)
basePair.First.Minor++
encodeAndCheckGreaterThan(basePair, lesserVersion)
basePair.Second.Patch++
encodeAndCheckGreaterThan(basePair, lesserVersion)
basePair.Second.Minor++
encodeAndCheckGreaterThan(basePair, lesserVersion)
}
}
func TestRoundtrip(t *testing.T) {
c := qt.New(t)
ver := splitSemver("v3.1.0")
for i := 1; i <= 50000; i++ {
v1, v2 := ver, ver
v1.Minor = rand.Intn(i)
v1.Patch = rand.Intn(i)
v2.Minor = rand.Intn(i)
v2.Patch = rand.Intn(i)
input := Pair{First: v1, Second: v2}
encoded := Encode(input)
decoded := Decode(encoded)
c.Assert(decoded, qt.Equals, input)
}
}
func splitSemver(ver string) Version {
ver = strings.TrimPrefix(ver, "v")
parts := strings.Split(ver, ".")
return Version{
Major: mustAtoi(parts[0]),
Minor: mustAtoi(parts[1]),
Patch: mustAtoi(parts[2]),
}
}