fix(copilot): implement official transactional hook contract

cmd/elydora/plugins/copilot_official_test.go

@@ -0,0 +1,109 @@
+package plugins
+
+import (
+	"encoding/json"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"sort"
+	"strings"
+	"testing"
+)
+
+func TestOfficialCopilot1071LoadsAllManagedHooks(t *testing.T) {
+	entry := os.Getenv("ELYDORA_COPILOT_ENTRY")
+	runtimeEntry := os.Getenv("ELYDORA_COPILOT_RUNTIME_ENTRY")
+	nodePath, nodeErr := exec.LookPath("node")
+	if entry == "" || runtimeEntry == "" || nodeErr != nil {
+		t.Skip(
+			"set ELYDORA_COPILOT_ENTRY and ELYDORA_COPILOT_RUNTIME_ENTRY to official package files",
+		)
+	}
+	fixture := prepareCopilotFixture(t, copilotFixtureOptions{})
+	installCopilotFixture(t, fixture)
+	environment := append(os.Environ(),
+		"HOME="+fixture.homeDir,
+		"USERPROFILE="+fixture.homeDir,
+		"COPILOT_HOME="+fixture.copilotHome,
+	)
+	version := exec.Command(nodePath, entry, "--version") // #nosec G204 -- test paths are explicit environment inputs.
+	version.Dir = fixture.projectDir
+	version.Env = environment
+	versionOutput, err := version.CombinedOutput()
+	if err != nil || !strings.Contains(string(versionOutput), "GitHub Copilot CLI 1.0.71.") {
+		t.Fatalf("official Copilot version = %q, %v", versionOutput, err)
+	}
+
+	source := `
+import { createRequire } from 'node:module';
+const require = createRequire(import.meta.url);
+const runtime = require(process.env.ELYDORA_COPILOT_RUNTIME_ENTRY);
+const session = await runtime.hookSessionCreate({
+  cwd: process.env.ELYDORA_PROJECT,
+  repoRoot: process.env.ELYDORA_PROJECT,
+  sessionId: 'elydora-go-official-test',
+  settingsJson: '{}',
+  userHooksDir: process.env.ELYDORA_HOOKS,
+  allowLocalhost: false,
+  allowHttpAuthHooks: false,
+  discoverPolicies: false,
+});
+try {
+  const snapshot = JSON.parse(await runtime.hookSessionSnapshot(session.handle));
+  console.log(JSON.stringify({ load: session.load, snapshot }));
+} finally {
+  runtime.hookSessionDispose(session.handle);
+}
+`
+	load := exec.Command( // #nosec G204 -- nodePath is resolved through exec.LookPath.
+		nodePath,
+		"--input-type=module",
+		"--eval",
+		source,
+	)
+	load.Dir = fixture.projectDir
+	load.Env = append(environment,
+		"ELYDORA_COPILOT_RUNTIME_ENTRY="+runtimeEntry,
+		"ELYDORA_HOOKS="+filepath.Dir(fixture.configPath),
+		"ELYDORA_PROJECT="+fixture.projectDir,
+	)
+	loaded, err := load.CombinedOutput()
+	if err != nil {
+		t.Fatalf("load official Copilot hooks: %s: %v", loaded, err)
+	}
+	var result map[string]any
+	if err := json.Unmarshal(loaded, &result); err != nil {
+		t.Fatalf("decode official Copilot loader output %q: %v", loaded, err)
+	}
+	loadResult := requireCopilotObject(t, result["load"])
+	if loadResult["hookCount"] != float64(3) ||
+		len(requireCopilotArray(t, loadResult["errors"])) != 0 ||
+		len(requireCopilotArray(t, loadResult["warnings"])) != 0 {
+		t.Fatalf("official Copilot load result = %#v", loadResult)
+	}
+	snapshot := requireCopilotObject(t, result["snapshot"])
+	hooks := requireCopilotArray(t, snapshot["hooks"])
+	events := make([]string, 0, len(hooks))
+	for _, value := range hooks {
+		hook := requireCopilotObject(t, value)
+		events = append(events, stringValue(hook["eventName"]))
+		if filepath.Base(stringValue(hook["source"])) != copilotConfigFile {
+			t.Fatalf("official Copilot hook source = %#v", hook["source"])
+		}
+		var spec map[string]any
+		if err := json.Unmarshal([]byte(stringValue(hook["specJson"])), &spec); err != nil {
+			t.Fatalf("decode official hook spec: %v", err)
+		}
+		config := requireCopilotObject(t, spec["config"])
+		if config["type"] != "command" || config["timeoutSec"] != copilotHookTimeout ||
+			!strings.Contains(strings.ToLower(stringValue(config["bash"])), "node") ||
+			!strings.HasPrefix(stringValue(config["powershell"]), "& ") {
+			t.Fatalf("official Copilot hook spec = %#v", spec)
+		}
+	}
+	sort.Strings(events)
+	want := []string{"postToolUse", "postToolUseFailure", "preToolUse"}
+	if strings.Join(events, ",") != strings.Join(want, ",") {
+		t.Fatalf("official Copilot events = %#v, want %#v", events, want)
+	}
+}