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moby--moby/pkg/tarsum/versioning_test.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

98 lines
2.4 KiB
Go

package tarsum // import "github.com/docker/docker/pkg/tarsum"
import (
"testing"
)
func TestVersionLabelForChecksum(t *testing.T) {
version := VersionLabelForChecksum("tarsum+sha256:deadbeef")
if version != "tarsum" {
t.Fatalf("Version should have been 'tarsum', was %v", version)
}
version = VersionLabelForChecksum("tarsum.v1+sha256:deadbeef")
if version != "tarsum.v1" {
t.Fatalf("Version should have been 'tarsum.v1', was %v", version)
}
version = VersionLabelForChecksum("something+somethingelse")
if version != "something" {
t.Fatalf("Version should have been 'something', was %v", version)
}
version = VersionLabelForChecksum("invalidChecksum")
if version != "" {
t.Fatalf("Version should have been empty, was %v", version)
}
}
func TestVersion(t *testing.T) {
expected := "tarsum"
var v Version
if v.String() != expected {
t.Errorf("expected %q, got %q", expected, v.String())
}
expected = "tarsum.v1"
v = 1
if v.String() != expected {
t.Errorf("expected %q, got %q", expected, v.String())
}
expected = "tarsum.dev"
v = 2
if v.String() != expected {
t.Errorf("expected %q, got %q", expected, v.String())
}
}
func TestGetVersion(t *testing.T) {
testSet := []struct {
Str string
Expected Version
}{
{"tarsum+sha256:e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b", Version0},
{"tarsum+sha256", Version0},
{"tarsum", Version0},
{"tarsum.dev", VersionDev},
{"tarsum.dev+sha256:deadbeef", VersionDev},
}
for _, ts := range testSet {
v, err := GetVersionFromTarsum(ts.Str)
if err != nil {
t.Fatalf("%q : %s", err, ts.Str)
}
if v != ts.Expected {
t.Errorf("expected %d (%q), got %d (%q)", ts.Expected, ts.Expected, v, v)
}
}
// test one that does not exist, to ensure it errors
str := "weak+md5:abcdeabcde"
_, err := GetVersionFromTarsum(str)
if err != ErrNotVersion {
t.Fatalf("%q : %s", err, str)
}
}
func TestGetVersions(t *testing.T) {
expected := []Version{
Version0,
Version1,
VersionDev,
}
versions := GetVersions()
if len(versions) != len(expected) {
t.Fatalf("Expected %v versions, got %v", len(expected), len(versions))
}
if !containsVersion(versions, expected[0]) || !containsVersion(versions, expected[1]) || !containsVersion(versions, expected[2]) {
t.Fatalf("Expected [%v], got [%v]", expected, versions)
}
}
func containsVersion(versions []Version, version Version) bool {
for _, v := range versions {
if v == version {
return true
}
}
return false
}