open-nomad/helper/constraints/semver/constraints_test.go

129 lines
2.9 KiB
Go

package semver
import (
"testing"
"github.com/hashicorp/go-version"
)
// This file is a copy of github.com/hashicorp/go-version/constraint_test.go
// with minimal changes to demonstrate differences. Diffing the files should
// illustrate behavior differences in Constraint and version.Constraint.
func TestNewConstraint(t *testing.T) {
cases := []struct {
input string
count int
err bool
}{
{">= 1.2", 1, false},
{"1.0", 1, false},
{">= 1.x", 0, true},
{">= 1.2, < 1.0", 2, false},
// Out of bounds
{"11387778780781445675529500000000000000000", 0, true},
// Semver only
{">= 1.0beta1", 0, true},
// No pessimistic operator
{"~> 1.0", 0, true},
}
for _, tc := range cases {
v, err := NewConstraint(tc.input)
if tc.err && err == nil {
t.Fatalf("expected error for input: %s", tc.input)
} else if !tc.err && err != nil {
t.Fatalf("error for input %s: %s", tc.input, err)
}
if len(v) != tc.count {
t.Fatalf("input: %s\nexpected len: %d\nactual: %d",
tc.input, tc.count, len(v))
}
}
}
func TestConstraintCheck(t *testing.T) {
cases := []struct {
constraint string
version string
check bool
}{
{">= 1.0, < 1.2", "1.1.5", true},
{"< 1.0, < 1.2", "1.1.5", false},
{"= 1.0", "1.1.5", false},
{"= 1.0", "1.0.0", true},
{"1.0", "1.0.0", true},
// Assert numbers are *not* compared lexically as in #4729
{"> 10", "8", false},
// Pre-releases are ordered according to Semver v2
{"> 2.0", "2.1.0-beta", true},
{"> 2.1.0-a", "2.1.0-beta", true},
{"> 2.1.0-a", "2.1.1-beta", true},
{"> 2.0.0", "2.1.0-beta", true},
{"> 2.1.0-a", "2.1.1", true},
{"> 2.1.0-a", "2.1.1-beta", true},
{"> 2.1.0-a", "2.1.0", true},
{"<= 2.1.0-a", "2.0.0", true},
{">= 0.6.1", "1.3.0-beta1", true},
{"> 1.0-beta1", "1.0-rc1", true},
// Meta components are ignored according to Semver v2
{">= 0.6.1", "1.3.0-beta1+ent", true},
{">= 1.3.0-beta1", "1.3.0-beta1+ent", true},
{"> 1.3.0-beta1+cgo", "1.3.0-beta1+ent", false},
{"= 1.3.0-beta1+cgo", "1.3.0-beta1+ent", true},
}
for _, tc := range cases {
c, err := NewConstraint(tc.constraint)
if err != nil {
t.Fatalf("err: %s", err)
}
v, err := version.NewSemver(tc.version)
if err != nil {
t.Fatalf("err: %s", err)
}
actual := c.Check(v)
expected := tc.check
if actual != expected {
t.Fatalf("Version: %s\nConstraint: %s\nExpected: %#v",
tc.version, tc.constraint, expected)
}
}
}
func TestConstraintsString(t *testing.T) {
cases := []struct {
constraint string
result string
}{
{">= 1.0, < 1.2", ""},
}
for _, tc := range cases {
c, err := NewConstraint(tc.constraint)
if err != nil {
t.Fatalf("err: %s", err)
}
actual := c.String()
expected := tc.result
if expected == "" {
expected = tc.constraint
}
if actual != expected {
t.Fatalf("Constraint: %s\nExpected: %#v\nActual: %s",
tc.constraint, expected, actual)
}
}
}