initial commit
This commit is contained in:
commit
749af4bbe8
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@ -0,0 +1,14 @@
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module git.bit5.ru/backend/versioning
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go 1.18
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require (
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github.com/pkg/errors v0.9.1
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github.com/stretchr/testify v1.8.0
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)
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require (
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github.com/davecgh/go-spew v1.1.1 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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)
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@ -0,0 +1,17 @@
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
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github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
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github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
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github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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@ -0,0 +1,144 @@
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package versioning
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/pkg/errors"
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)
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const (
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MaxMajor uint16 = 42948
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MaxMinor uint16 = 999
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MaxPatch uint8 = 99
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)
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var maxVersion = newVersion(MaxMajor, MaxMinor, MaxPatch)
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type Layout uint8
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const (
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Full Layout = iota
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WithoutPatch
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)
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type Version struct {
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major uint16
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minor uint16
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patch uint8
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code uint32
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}
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func (v Version) String() string {
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return v.Format(Full)
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}
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func (v Version) Format(l Layout) string {
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switch l {
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default:
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return fmt.Sprintf("%d.%d.%d", v.major, v.minor, v.patch)
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case WithoutPatch:
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return fmt.Sprintf("%d.%d", v.major, v.minor)
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}
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}
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func (v Version) Code() uint32 {
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return v.code
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}
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func (a Version) Less(b Version) bool {
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return a.Code() < b.Code()
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}
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func Parse(str string) (Version, error) {
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parts := strings.Split(str, ".")
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partsLen := len(parts)
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if partsLen > 3 {
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return Version{}, errors.Errorf("invalid game version: '%s'", str)
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}
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maj, err := parseUint16(parts[0])
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if err != nil {
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return Version{}, err
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}
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var (
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min uint16
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patch uint8
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)
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if partsLen > 1 {
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min, err = parseUint16(parts[1])
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if err != nil {
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return Version{}, err
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}
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}
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if partsLen > 2 {
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patch, err = parseUint8(parts[2])
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if err != nil {
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return Version{}, err
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}
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}
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if err := validate(maj, min, patch); err != nil {
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return Version{}, err
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}
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return newVersion(maj, min, patch), nil
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}
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func ParseFromCode(code uint32) (Version, error) {
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patch := code % 100
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minor := code%100000 - patch
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major := code - minor - patch
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maj, min, p := uint16(major/100000), uint16(minor/100), uint8(patch)
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if err := validate(maj, min, p); err != nil {
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return Version{}, err
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}
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return Version{
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major: maj,
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minor: min,
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patch: p,
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code: code,
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}, nil
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}
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func parseUint16(str string) (uint16, error) {
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v, err := strconv.ParseUint(str, 10, 16)
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if err != nil {
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return 0, errors.WithStack(err)
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}
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return uint16(v), nil
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}
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func parseUint8(str string) (uint8, error) {
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v, err := strconv.ParseUint(str, 10, 8)
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if err != nil {
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return 0, errors.WithStack(err)
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}
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return uint8(v), nil
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}
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func validate(major, minor uint16, patch uint8) error {
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if major > MaxMajor || minor > MaxMinor || patch > MaxPatch {
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return errors.Errorf("invalid game version. max version: %s", maxVersion)
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}
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return nil
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}
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func newVersion(major, minor uint16, patch uint8) Version {
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return Version{
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major: major,
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minor: minor,
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patch: patch,
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code: calcCode(major, minor, patch),
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}
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}
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func calcCode(major, minor uint16, patch uint8) uint32 {
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return uint32(major)*100000 + uint32(minor)*100 + uint32(patch)
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}
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@ -0,0 +1,134 @@
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package versioning_test
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import (
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"testing"
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"git.bit5.ru/backend/versioning"
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"github.com/stretchr/testify/require"
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)
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func TestParse(t *testing.T) {
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cases := []struct {
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versionStr string
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valid bool
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expectedStr string
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expectedCode uint32
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}{
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{versionStr: "0.0.0", valid: true, expectedStr: "0.0.0", expectedCode: 0},
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{versionStr: "0.0.1", valid: true, expectedStr: "0.0.1", expectedCode: 1},
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{versionStr: "0.1.0", valid: true, expectedStr: "0.1.0", expectedCode: 100},
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{versionStr: "0.1.1", valid: true, expectedStr: "0.1.1", expectedCode: 101},
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{versionStr: "1.0.0", valid: true, expectedStr: "1.0.0", expectedCode: 100000},
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{versionStr: "1.0.1", valid: true, expectedStr: "1.0.1", expectedCode: 100001},
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{versionStr: "1.1.0", valid: true, expectedStr: "1.1.0", expectedCode: 100100},
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{versionStr: "1.1.1", valid: true, expectedStr: "1.1.1", expectedCode: 100101},
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{versionStr: "12345.123.12", valid: true, expectedStr: "12345.123.12", expectedCode: 1234512312},
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{versionStr: "42948.999.99", valid: true, expectedStr: "42948.999.99", expectedCode: 4294899999},
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{versionStr: "42948.999.100", valid: false},
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{versionStr: "42948.1000.99", valid: false},
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{versionStr: "42948.1000.100", valid: false},
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{versionStr: "42949.999.99", valid: false},
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{versionStr: "42949.999.100", valid: false},
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{versionStr: "42949.1000.99", valid: false},
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{versionStr: "42949.1000.100", valid: false},
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{versionStr: "0.0", valid: true, expectedStr: "0.0.0", expectedCode: 0},
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{versionStr: "0.1", valid: true, expectedStr: "0.1.0", expectedCode: 100},
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{versionStr: "1.0", valid: true, expectedStr: "1.0.0", expectedCode: 100000},
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{versionStr: "1.1", valid: true, expectedStr: "1.1.0", expectedCode: 100100},
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{versionStr: "12345.123", valid: true, expectedStr: "12345.123.0", expectedCode: 1234512300},
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{versionStr: "42948.999", valid: true, expectedStr: "42948.999.0", expectedCode: 4294899900},
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{versionStr: "42948.1000", valid: false},
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{versionStr: "42949.999", valid: false},
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{versionStr: "42949.1000", valid: false},
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{versionStr: "0", valid: true, expectedStr: "0.0.0", expectedCode: 0},
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{versionStr: "1", valid: true, expectedStr: "1.0.0", expectedCode: 100000},
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{versionStr: "12345", valid: true, expectedStr: "12345.0.0", expectedCode: 1234500000},
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{versionStr: "42948", valid: true, expectedStr: "42948.0.0", expectedCode: 4294800000},
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{versionStr: "42949", valid: false},
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}
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for i, c := range cases {
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caseNum := i + 1
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v, err := versioning.Parse(c.versionStr)
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if !c.valid {
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require.Error(t, err, "case#%d", caseNum)
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continue
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}
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require.NoError(t, err, "case#%d", caseNum)
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require.EqualValues(t, c.expectedStr, v.String(), "case#%d", caseNum)
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require.EqualValues(t, c.expectedCode, v.Code(), "case#%d", caseNum)
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}
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}
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func TestParseFromCode(t *testing.T) {
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cases := []struct {
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code uint32
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valid bool
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expectedStr string
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}{
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{code: 0, valid: true, expectedStr: "0.0.0"},
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{code: 1, valid: true, expectedStr: "0.0.1"},
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{code: 10, valid: true, expectedStr: "0.0.10"},
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{code: 99, valid: true, expectedStr: "0.0.99"},
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{code: 100, valid: true, expectedStr: "0.1.0"},
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{code: 101, valid: true, expectedStr: "0.1.1"},
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{code: 110, valid: true, expectedStr: "0.1.10"},
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{code: 199, valid: true, expectedStr: "0.1.99"},
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{code: 99900, valid: true, expectedStr: "0.999.0"},
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{code: 99901, valid: true, expectedStr: "0.999.1"},
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{code: 99910, valid: true, expectedStr: "0.999.10"},
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{code: 99999, valid: true, expectedStr: "0.999.99"},
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{code: 100000, valid: true, expectedStr: "1.0.0"},
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{code: 100001, valid: true, expectedStr: "1.0.1"},
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{code: 100099, valid: true, expectedStr: "1.0.99"},
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{code: 100100, valid: true, expectedStr: "1.1.0"},
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{code: 100101, valid: true, expectedStr: "1.1.1"},
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{code: 100199, valid: true, expectedStr: "1.1.99"},
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{code: 199900, valid: true, expectedStr: "1.999.0"},
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{code: 199901, valid: true, expectedStr: "1.999.1"},
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{code: 199999, valid: true, expectedStr: "1.999.99"},
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{code: 4294800000, valid: true, expectedStr: "42948.0.0"},
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{code: 4294800001, valid: true, expectedStr: "42948.0.1"},
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{code: 4294800099, valid: true, expectedStr: "42948.0.99"},
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{code: 4294800100, valid: true, expectedStr: "42948.1.0"},
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{code: 4294800101, valid: true, expectedStr: "42948.1.1"},
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{code: 4294800199, valid: true, expectedStr: "42948.1.99"},
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{code: 4294899900, valid: true, expectedStr: "42948.999.0"},
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{code: 4294899901, valid: true, expectedStr: "42948.999.1"},
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{code: 4294899999, valid: true, expectedStr: "42948.999.99"},
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{code: 4294900000, valid: false},
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}
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for i, c := range cases {
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caseNum := i + 1
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v, err := versioning.ParseFromCode(c.code)
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if !c.valid {
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require.Error(t, err, "case#%d", caseNum)
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continue
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}
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require.NoError(t, err, "case#%d", caseNum)
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require.EqualValues(t, c.expectedStr, v.String(), "case#%d", caseNum)
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}
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}
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// helper for testing other packages
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func Parse(t *testing.T, str string) versioning.Version {
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t.Helper()
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v, err := versioning.Parse(str)
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require.NoError(t, err)
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|
return v
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|
}
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||||||
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