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