mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
105 lines
2.2 KiB
Go
105 lines
2.2 KiB
Go
/*
|
|
Copyright (c) Edgeless Systems GmbH
|
|
|
|
SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
package artifacts
|
|
|
|
import (
|
|
"crypto/sha256"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/bazelbuild/rules_go/go/runfiles"
|
|
)
|
|
|
|
func TestContainerArtifacts(t *testing.T) {
|
|
if !runsUnderBazel() {
|
|
t.Skip("Skipping test as it is not running under Bazel")
|
|
}
|
|
compareArtifactsWithPrefix(t, "container_sums_")
|
|
}
|
|
|
|
func TestCLIArtifacts(t *testing.T) {
|
|
if !runsUnderBazel() {
|
|
t.Skip("Skipping test as it is not running under Bazel")
|
|
}
|
|
compareArtifactsWithPrefix(t, "cli_transitioned_to_")
|
|
}
|
|
|
|
type artifact struct {
|
|
name, path string
|
|
}
|
|
|
|
func compareArtifactsWithPrefix(t *testing.T, prefix string) {
|
|
artifacts := getAllArtifacts(prefix)
|
|
if len(artifacts) < 2 {
|
|
t.Fatal("No artifacts found")
|
|
}
|
|
hashes := make([]string, len(artifacts))
|
|
for i, artifact := range artifacts {
|
|
hash, err := hashForArtifact(artifact)
|
|
if err != nil {
|
|
t.Fatalf("hashing artifact %s: %v", artifact, err)
|
|
}
|
|
hashes[i] = hash
|
|
}
|
|
want := hashes[0]
|
|
for i := 1; i < len(hashes)-1; i++ {
|
|
if hashes[i] != want {
|
|
t.Errorf("hash for %s: %s, want %s", artifacts[i].name, hashes[i], want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func getAllArtifacts(prefix string) []artifact {
|
|
envVars := os.Environ()
|
|
var artifacts []artifact
|
|
for _, envVar := range envVars {
|
|
k, v := splitEnvVar(envVar)
|
|
if strings.HasPrefix(k, prefix) {
|
|
path, err := runfiles.Rlocation(v)
|
|
if err != nil {
|
|
panic("could not find path to artifact")
|
|
}
|
|
artifacts = append(artifacts, artifact{k, path})
|
|
}
|
|
}
|
|
return artifacts
|
|
}
|
|
|
|
func splitEnvVar(envVar string) (string, string) {
|
|
split := strings.SplitN(envVar, "=", 2)
|
|
if len(split) == 0 {
|
|
return "", ""
|
|
}
|
|
if len(split) == 1 {
|
|
return split[0], ""
|
|
}
|
|
return split[0], split[1]
|
|
}
|
|
|
|
func hashForArtifact(artifact artifact) (string, error) {
|
|
f, err := os.Open(artifact.path)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer f.Close()
|
|
hasher := sha256.New()
|
|
if _, err := io.Copy(hasher, f); err != nil {
|
|
return "", err
|
|
}
|
|
return fmt.Sprintf("%x", hasher.Sum(nil)), nil
|
|
}
|
|
|
|
func runsUnderBazel() bool {
|
|
return runsUnder == "bazel"
|
|
}
|
|
|
|
// runsUnder is redefined only by the Bazel build at link time.
|
|
var runsUnder = "go"
|