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//
// Copyright 2018-2025 Cristian Maglie. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
package semver
import (
"fmt"
"testing"
"time"
"github.com/stretchr/testify/require"
)
type customDep struct {
name string
cond Constraint
}
// GetName return the name of the dependency (implements the Dependency interface)
func (c *customDep) GetName() string {
return c.name
}
// GetConstraint return the version contraints of the dependency (implements the Dependency interface)
func (c *customDep) GetConstraint() Constraint {
return c.cond
}
func (c *customDep) String() string {
return c.name + c.cond.String()
}
type customRel struct {
name string
vers *Version
deps []*customDep
}
// GetName return the name of the release (implements the Release interface)
func (r *customRel) GetName() string {
return r.name
}
// GetVersion return the version of the release (implements the Release interface)
func (r *customRel) GetVersion() *Version {
return r.vers
}
func (r *customRel) GetDependencies() []*customDep {
return r.deps
}
func (r *customRel) String() string {
return r.name + "@" + r.vers.String()
}
func d(dep string) *customDep {
name := dep[0:1]
cond, err := ParseConstraint(dep[1:])
if err != nil {
panic("invalid operator in dep: " + dep + " (" + err.Error() + ")")
}
return &customDep{name: name, cond: cond}
}
func deps(deps ...string) []*customDep {
var res []*customDep
for _, dep := range deps {
res = append(res, d(dep))
}
return res
}
func rel(name, ver string, deps []*customDep) *customRel {
return &customRel{name: name, vers: v(ver), deps: deps}
}
func TestResolver(t *testing.T) {
a100 := rel("A", "1.0.0", deps("B>=1.2.0", "C>=2.0.0"))
a110 := rel("A", "1.1.0", deps("B=1.2.0", "C>=2.0.0"))
a111 := rel("A", "1.1.1", deps("B", "C=1.1.1"))
a120 := rel("A", "1.2.0", deps("B=1.2.0", "C>2.0.0"))
a121 := rel("A", "1.2.1", deps("B", "C", "G", "H", "I", "E=1.0.1"))
b131 := rel("B", "1.3.1", deps("C<2.0.0"))
b130 := rel("B", "1.3.0", deps())
b121 := rel("B", "1.2.1", deps())
b120 := rel("B", "1.2.0", deps())
b111 := rel("B", "1.1.1", deps())
b110 := rel("B", "1.1.0", deps())
b100 := rel("B", "1.0.0", deps())
c200 := rel("C", "2.0.0", deps())
c120 := rel("C", "1.2.0", deps())
c111 := rel("C", "1.1.1", deps("B=1.1.1"))
c110 := rel("C", "1.1.0", deps())
c102 := rel("C", "1.0.2", deps())
c101 := rel("C", "1.0.1", deps())
c100 := rel("C", "1.0.0", deps())
c021 := rel("C", "0.2.1", deps())
c020 := rel("C", "0.2.0", deps())
c010 := rel("C", "0.1.0", deps("D"))
d100 := rel("D", "1.0.0", deps())
d120 := rel("D", "1.2.0", deps("E"))
e100 := rel("E", "1.0.0", deps())
e101 := rel("E", "1.0.1", deps("F")) // INVALID
g130 := rel("G", "1.3.0", deps())
g140 := rel("G", "1.4.0", deps())
g150 := rel("G", "1.5.0", deps())
g160 := rel("G", "1.6.0", deps())
g170 := rel("G", "1.7.0", deps())
g180 := rel("G", "1.8.0", deps())
h130 := rel("H", "1.3.0", deps())
h140 := rel("H", "1.4.0", deps())
h150 := rel("H", "1.5.0", deps())
h160 := rel("H", "1.6.0", deps())
h170 := rel("H", "1.7.0", deps())
h180 := rel("H", "1.8.0", deps())
i130 := rel("I", "1.3.0", deps())
i140 := rel("I", "1.4.0", deps())
i150 := rel("I", "1.5.0", deps())
i160 := rel("I", "1.6.0", deps())
i170 := rel("I", "1.7.0", deps())
i180 := rel("I", "1.8.0", deps())
arch := NewResolver[*customRel, *customDep]()
arch.AddReleases(
a100, a110, a111, a120, a121,
b131, b130, b121, b120, b111, b110, b100,
c200, c120, c111, c110, c102, c101, c100, c021, c020, c010,
d100, d120,
g130, g140, g150, g160, g170, g180,
h130, h140, h150, h160, h170, h180,
i130, i140, i150, i160, i170, i180,
)
arch.AddRelease(e100) // use this method for 100% code coverage
arch.AddRelease(e101)
a130 := rel("A", "1.3.0", deps())
r0 := arch.Resolve(a130) // Non-existent in archive
require.Nil(t, r0)
r1 := arch.Resolve(a100)
require.Len(t, r1, 3)
require.Contains(t, r1, a100)
require.Contains(t, r1, b130)
require.Contains(t, r1, c200)
fmt.Println(r1)
r2 := arch.Resolve(a110)
require.Len(t, r2, 3)
require.Contains(t, r2, a110)
require.Contains(t, r2, b120)
require.Contains(t, r2, c200)
fmt.Println(r2)
r3 := arch.Resolve(a111)
require.Len(t, r3, 3)
require.Contains(t, r3, a111)
require.Contains(t, r3, b111)
require.Contains(t, r3, c111)
fmt.Println(r3)
r4 := arch.Resolve(a120)
require.Nil(t, r4)
fmt.Println(r4)
r5 := arch.Resolve(c010)
require.Contains(t, r5, c010)
require.Contains(t, r5, d120)
require.Contains(t, r5, e100)
fmt.Println(r5)
done := make(chan bool)
go func() {
r6 := arch.Resolve(a121)
require.Nil(t, r6)
fmt.Println(r6)
close(done)
}()
select {
case <-done:
case <-time.After(time.Second):
require.FailNow(t, "test didn't complete in the allocated time")
}
r7 := arch.Resolve(e101)
require.Nil(t, r7)
}
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