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agent-lib/internal/e2e/config_test.go
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package e2e
import (
"encoding/json"
"os"
"path/filepath"
"strings"
"testing"
)
// configChainEnv isolates HOME/XDG/AGENT_LIB_* so config-chain e2e tests see
// only the fixture paths they explicitly create.
type configChainEnv struct {
home string
xdg string
stateDir string
}
func newConfigChainEnv(t *testing.T) *configChainEnv {
t.Helper()
base := t.TempDir()
env := &configChainEnv{
home: filepath.Join(base, "home"),
xdg: filepath.Join(base, "xdg"),
stateDir: filepath.Join(base, "state"),
}
for _, d := range []string{env.home, env.xdg, env.stateDir} {
if err := os.MkdirAll(d, 0o755); err != nil {
t.Fatal(err)
}
}
return env
}
func (e *configChainEnv) run(t *testing.T, extraEnv map[string]string, args ...string) (string, error) {
t.Helper()
cmd := agentLibCmd(args...)
scrubbed := []string{}
for _, kv := range os.Environ() {
if strings.HasPrefix(kv, "AGENT_LIB_") || strings.HasPrefix(kv, "XDG_CONFIG_HOME=") || strings.HasPrefix(kv, "HOME=") {
continue
}
scrubbed = append(scrubbed, kv)
}
cmd.Env = append(scrubbed,
"HOME="+e.home, "USERPROFILE="+e.home,
"XDG_CONFIG_HOME="+e.xdg,
"AGENT_LIB_STATE_DIR="+e.stateDir,
)
for k, v := range extraEnv {
cmd.Env = append(cmd.Env, k+"="+v)
}
out, err := cmd.CombinedOutput()
return string(out), err
}
func (e *configChainEnv) userConfigPath() string {
return filepath.Join(e.xdg, "agent-lib", "config.json")
}
func (e *configChainEnv) writeUserConfig(t *testing.T, repoURL string) {
t.Helper()
writeJSONConfig(t, e.userConfigPath(), repoURL)
}
func writeJSONConfig(t *testing.T, path, repoURL string) {
t.Helper()
if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
t.Fatal(err)
}
data, err := json.Marshal(map[string]string{"repo_url": repoURL, "ref": "main"})
if err != nil {
t.Fatal(err)
}
if err := os.WriteFile(path, data, 0o600); err != nil {
t.Fatal(err)
}
}
// buildNamedRepo creates a committed work repo whose skills/<id>/SKILL.md
// carries a distinctive id, so the deployed skill identifies the winning
// config source.
func buildNamedRepo(t *testing.T, h *harness, dir, skillID string) {
t.Helper()
h.git(t, dir, "init", "-b", "main")
p := filepath.Join(dir, "skills", skillID, "SKILL.md")
os.MkdirAll(filepath.Dir(p), 0o755)
os.WriteFile(p, []byte("---\nname: "+skillID+"\n---\n# "+skillID+"\n"), 0o644)
h.git(t, dir, "add", "-A")
h.git(t, dir, "commit", "-m", "repo with "+skillID)
}
func deployedSkillPath(home, skillID string) string {
return filepath.Join(home, ".agents", "skills", skillID, "SKILL.md")
}
func TestSyncRepoFlagZeroConfig(t *testing.T) {
h := newHarness(t)
env := newConfigChainEnv(t)
repo := filepath.Join(t.TempDir(), "work")
os.MkdirAll(repo, 0o755)
buildNamedRepo(t, h, repo, "zero-config-skill")
out, err := env.run(t, nil, "sync", "--repo", repo)
if err != nil {
t.Fatalf("zero-config sync via --repo failed: %v\n%s", err, out)
}
if _, err := os.Stat(deployedSkillPath(env.home, "zero-config-skill")); err != nil {
t.Error("--repo must deploy without any config file")
}
if _, err := os.Stat(filepath.Join(env.stateDir, "manifest.json")); err != nil {
t.Error("--repo run must write a manifest")
}
}
func TestSyncRepoFlagOverridesConfiguredRepo(t *testing.T) {
h := newHarness(t)
env := newConfigChainEnv(t)
repoA := filepath.Join(t.TempDir(), "repo-a")
repoB := filepath.Join(t.TempDir(), "repo-b")
os.MkdirAll(repoA, 0o755)
os.MkdirAll(repoB, 0o755)
buildNamedRepo(t, h, repoA, "from-config-skill")
buildNamedRepo(t, h, repoB, "from-flag-skill")
env.writeUserConfig(t, repoA)
out, err := env.run(t, nil, "sync", "--repo", repoB)
if err != nil {
t.Fatalf("sync with --repo over config failed: %v\n%s", err, out)
}
if _, err := os.Stat(deployedSkillPath(env.home, "from-flag-skill")); err != nil {
t.Error("--repo must beat the configured repo_url")
}
if _, err := os.Stat(deployedSkillPath(env.home, "from-config-skill")); err == nil {
t.Error("configured repo must not also deploy")
}
}
func TestSyncUserConfigDiscoveredWithoutFlags(t *testing.T) {
h := newHarness(t)
env := newConfigChainEnv(t)
repo := filepath.Join(t.TempDir(), "work")
os.MkdirAll(repo, 0o755)
buildNamedRepo(t, h, repo, "user-config-skill")
env.writeUserConfig(t, repo)
out, err := env.run(t, nil, "sync")
if err != nil {
t.Fatalf("sync with only a user-level config failed: %v\n%s", err, out)
}
if _, err := os.Stat(deployedSkillPath(env.home, "user-config-skill")); err != nil {
t.Error("user-level config must be picked up without flags or env")
}
}
func TestSyncConfigSearchOrder(t *testing.T) {
h := newHarness(t)
env := newConfigChainEnv(t)
flagRepo := filepath.Join(t.TempDir(), "flag-repo")
envRepo := filepath.Join(t.TempDir(), "env-repo")
os.MkdirAll(flagRepo, 0o755)
os.MkdirAll(envRepo, 0o755)
buildNamedRepo(t, h, flagRepo, "flag-wins-skill")
buildNamedRepo(t, h, envRepo, "env-wins-skill")
flagCfg := filepath.Join(t.TempDir(), "flag.json")
envCfg := filepath.Join(t.TempDir(), "env.json")
writeJSONConfig(t, flagCfg, flagRepo)
writeJSONConfig(t, envCfg, envRepo)
env.writeUserConfig(t, envRepo)
out, err := env.run(t, map[string]string{"AGENT_LIB_CONFIG": envCfg}, "sync", "--config", flagCfg)
if err != nil {
t.Fatalf("flag>env sync failed: %v\n%s", err, out)
}
if _, err := os.Stat(deployedSkillPath(env.home, "flag-wins-skill")); err != nil {
t.Error("--config flag must beat AGENT_LIB_CONFIG")
}
out, err = env.run(t, map[string]string{"AGENT_LIB_CONFIG": envCfg}, "sync")
if err != nil {
t.Fatalf("env>user sync failed: %v\n%s", err, out)
}
if _, err := os.Stat(deployedSkillPath(env.home, "env-wins-skill")); err != nil {
t.Error("AGENT_LIB_CONFIG must beat the user config")
}
}
func TestSyncMissingConfigErrorIsActionable(t *testing.T) {
newHarness(t)
env := newConfigChainEnv(t)
out, err := env.run(t, nil, "sync")
if err == nil {
t.Fatalf("sync without any config must fail:\n%s", out)
}
for _, want := range []string{
"no client config found",
"user config",
"admin default",
env.userConfigPath(),
`"repo_url"`,
"--repo",
} {
if !contains(out, want) {
t.Errorf("missing-config error must mention %q:\n%s", want, out)
}
}
}
func TestSyncRefWithoutRepoIsError(t *testing.T) {
newHarness(t)
env := newConfigChainEnv(t)
out, err := env.run(t, nil, "sync", "--ref", "main")
if err == nil {
t.Fatalf("--ref without --repo must fail:\n%s", out)
}
if !contains(out, "--ref requires --repo") {
t.Errorf("error must explain the --ref/--repo relationship:\n%s", out)
}
}
func TestStatusRepoFlagZeroConfig(t *testing.T) {
h := newHarness(t)
env := newConfigChainEnv(t)
repo := filepath.Join(t.TempDir(), "work")
os.MkdirAll(repo, 0o755)
buildNamedRepo(t, h, repo, "status-repo-skill")
if out, err := env.run(t, nil, "sync", "--repo", repo); err != nil {
t.Fatalf("sync failed: %v\n%s", err, out)
}
out, err := env.run(t, nil, "status", "--repo", repo, "--json")
if err != nil {
t.Fatalf("status --repo --json failed: %v\n%s", err, out)
}
if !contains(out, `"in_sync": true`) {
t.Errorf("status via --repo must report in sync:\n%s", out)
}
}