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constraint_test.go
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constraint_test.go
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package version
import (
"bytes"
"encoding/json"
"testing"
)
func TestNewConstraint(t *testing.T) {
cases := []struct {
input string
ors int
count int
err bool
}{
{">= 1.2", 1, 1, false},
{"1.0", 1, 1, false},
{">= 1.x", 0, 0, true},
{">= 1.2, < 1.0", 1, 2, false},
{">= 1.2, < 1.0 || ~> 2.0, < 3", 2, 2, false},
// Out of bounds
{"11387778780781445675529500000000000000000", 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 tc.err {
continue
}
actual := len(v)
if actual != tc.ors {
t.Fatalf("input: %s\nexpected ors: %d\nactual: %d",
tc.input, tc.ors, actual)
}
actual = len(v[0])
if actual != tc.count {
t.Fatalf("input: %s\nexpected len: %d\nactual: %d",
tc.input, tc.count, actual)
}
}
}
func TestConstraintCheck(t *testing.T) {
cases := []struct {
constraint string
version string
check bool
}{
{">= 1.0, < 1.2 || > 1.3", "1.1.5", true},
{">= 1.0, < 1.2 || > 1.3", "1.3.2", true},
{">= 1.0, < 1.2 || > 1.3", "1.2.3", false},
{">= 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},
{"~> 1.0", "2.0", false},
{"~> 1.0", "1.1", true},
{"~> 1.0", "1.2.3", true},
{"~> 1.0.0", "1.2.3", false},
{"~> 1.0.0", "1.0.7", true},
{"~> 1.0.0", "1.1.0", false},
{"~> 1.0.7", "1.0.4", false},
{"~> 1.0.7", "1.0.7", true},
{"~> 1.0.7", "1.0.8", true},
{"~> 1.0.7", "1.0.7.5", true},
{"~> 1.0.7", "1.0.6.99", false},
{"~> 1.0.7", "1.0.8.0", true},
{"~> 1.0.9.5", "1.0.9.5", true},
{"~> 1.0.9.5", "1.0.9.4", false},
{"~> 1.0.9.5", "1.0.9.6", true},
{"~> 1.0.9.5", "1.0.9.5.0", true},
{"~> 1.0.9.5", "1.0.9.5.1", true},
{"~> 2.0", "2.1.0-beta", true}, // https://semver.org/#spec-item-11 (#3)
{"~> 2.0", "2.0.0-beta", false},
{"~> 2.1.0-a", "2.2.0", false},
{"~> 2.1.0-a", "2.1.0", false},
{"~> 2.1.0-a", "2.1.0-beta", true},
{"~> 2.1.0-a", "2.2.0-alpha", false},
{"> 2.0", "2.1.0-beta", true}, // https://semver.org/#spec-item-11 (#3)
{"> 2.0", "2.0.0-beta", false},
{">= 2.0", "2.0.0-beta", false},
{">= 2.1.0-a", "2.1.0-beta", true},
{">= 2.1.0-a", "2.1.1-beta", true}, // segment comparison takes precedence over prerelease comparison, but is still valid to compare
{">= 2.0.0", "2.1.0-beta", true}, // https://semver.org/#spec-item-11 (#3)
{">= 2.0.0", "2.0.0-beta", false},
{">= 2.1.0-a", "2.1.1", true},
{">= 2.1.0-a", "2.1.1-beta", true}, // segment comparison takes precedence over prerelease comparison, but is still valid to compare
{">= 2.1.0-a", "2.1.0", true},
{"<= 2.1.0-a", "2.0.0", true},
{"^1.1", "1.1.1", true},
{"^1.1", "1.2.3", true},
{"^1.1", "2.1.0", false},
{"^1.1.2", "1.1.1", false},
{"^1.1.2", "1.1.2", true},
{"^1.1.2", "1.1.2.3", true},
{"~1", "1.3.5", true},
{"~1", "2.1.0", false},
{"~1.1", "1.1.1", true},
{"~1.1", "1.2.3", false},
{"~1.1.2", "1.1.1", false},
{"~1.1.2", "1.1.2", true},
{"~1.1.2", "1.1.2.3", true},
{"> 1.0.0-alpha", "1.0.0-alpha.1", true},
{"> 1.0.0-alpha.1", "1.0.0-alpha.beta", true},
{"> 1.0.0-alpha.beta", "1.0.0-beta", true},
{"> 1.0.0-beta", "1.0.0-beta.2", true},
{"> 1.0.0-beta.2", "1.0.0-beta.11", true},
{"> 1.0.0-beta.11", "1.0.0-rc.1", true},
{"> 1.0.0-rc.1", "1.0.0", true},
{"< 1.0.0-alpha", "1.0.0-alpha.1", false},
{"< 1.0.0-alpha.1", "1.0.0-alpha.beta", false},
{"< 1.0.0-alpha.beta", "1.0.0-beta", false},
{"< 1.0.0-beta", "1.0.0-beta.2", false},
{"< 1.0.0-beta.2", "1.0.0-beta.11", false},
{"< 1.0.0-beta.11", "1.0.0-rc.1", false},
{"< 1.0.0-rc.1", "1.0.0", false},
{"< 1.0.0", "1.0.0-rc.1", true},
{"> 1.0.0", "1.0.0-rc.1", false},
{"< 0.9.12-r1", "0.9.9-r0", true}, // regression
{"< 0.9.9-r1", "0.9.9-r0", true}, // regression
{"< 0.9.9-r1", "0.9.9-r11", false}, // regression
{"> 0.9.9-r1", "0.9.9-r11", true}, // regression
{"<= 1.3.3-r0", "1.3.2-r0", true}, // introduced for removal of prereleaseCheck from <=
//Tests below to test == versions with different pre releases for each operator
{"<= 1.3.3-r0", "1.3.3-r0", true},
{"<= 1.3.3-r0", "1.3.3-r1", false},
{"<= 1.3.3-r1", "1.3.3-r0", true},
{"= 1.3.3-r1", "1.3.3-r1", true},
{"= 1.3.3-r1", "1.3.3-r0", false},
{"> 1.3.3-r1", "1.3.3-r0", false},
{"> 1.3.3-r1", "1.3.3-r3", true},
{">= 1.3.3-r1", "1.3.3-r0", false},
{">= 1.3.3-r1", "1.3.3-r5", true},
{"< 1.3.3-r1", "1.3.3-r0", true},
{"< 1.3.3-r1", "1.3.3-r5", false},
}
for _, tc := range cases {
c, err := NewConstraint(tc.constraint)
if err != nil {
t.Fatalf("err: %s", err)
}
v, err := NewVersion(tc.version)
if err != nil {
t.Fatalf("err: %s", err)
}
actual := c.Check(v)
expected := tc.check
if actual != expected {
t.Errorf("\nVersion: %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", ""},
{"~> 1.0.7", ""},
{">= 1.0, < 1.2 || > 1.3", ""},
}
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)
}
}
}
func TestConstraintsJson(t *testing.T) {
type MyStruct struct {
MustVer Constraints
}
var (
vc MyStruct
err error
)
jsBytes := []byte(`{"MustVer":"=1.2, =1.3"}`)
// data -> struct
err = json.Unmarshal(jsBytes, &vc)
if err != nil {
t.Fatalf("expected: json.Unmarshal to succeed\nactual: failed with error %v", err)
}
// struct -> data
data, err := json.Marshal(&vc)
if err != nil {
t.Fatalf("expected: json.Marshal to succeed\nactual: failed with error %v", err)
}
if !bytes.Equal(data, jsBytes) {
t.Fatalf("expected: %s\nactual: %s", jsBytes, data)
}
}