Add CLI and service skeleton

cmd/flex-auth/main_test.go

@@ -1,9 +1,90 @@
 package main
 
-import "testing"
+import (
+	"bytes"
+	"encoding/json"
+	"path/filepath"
+	"strings"
+	"testing"
 
-func TestVersionDefault(t *testing.T) {
-	if version == "" {
-		t.Fatal("version must not be empty")
+	"github.com/netkingdom/flex-auth/pkg/api"
+)
+
+func TestRunVersion(t *testing.T) {
+	var stdout, stderr bytes.Buffer
+	code := run([]string{"version"}, &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("code = %d, stderr = %s", code, stderr.String())
+	}
+	if strings.TrimSpace(stdout.String()) == "" {
+		t.Fatal("version output is empty")
 	}
 }
+
+func TestRunTestPolicy(t *testing.T) {
+	var stdout, stderr bytes.Buffer
+	code := run([]string{"test-policy", "--file", examplePath("policy_package.md")}, &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("code = %d, stderr = %s", code, stderr.String())
+	}
+	if !strings.Contains(stdout.String(), `"valid": true`) {
+		t.Fatalf("stdout = %s; want valid policy result", stdout.String())
+	}
+}
+
+func TestRunCheck(t *testing.T) {
+	var stdout, stderr bytes.Buffer
+	code := run([]string{
+		"check",
+		"--registry", examplePath("registry_snapshot.json"),
+		"--policy", examplePath("policy_package.md"),
+		"--request", examplePath("check_request.yaml"),
+	}, &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("code = %d, stderr = %s", code, stderr.String())
+	}
+
+	var decision api.DecisionEnvelope
+	if err := json.Unmarshal(stdout.Bytes(), &decision); err != nil {
+		t.Fatalf("unmarshal decision: %v\n%s", err, stdout.String())
+	}
+	if decision.Effect != api.DecisionEffectAllow {
+		t.Fatalf("decision.Effect = %q; want allow", decision.Effect)
+	}
+}
+
+func TestRunBatchCheck(t *testing.T) {
+	var stdout, stderr bytes.Buffer
+	code := run([]string{
+		"batch-check",
+		"--registry", examplePath("registry_snapshot.json"),
+		"--policy", examplePath("policy_package.md"),
+		"--request", examplePath("batch_check_request.yaml"),
+	}, &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("code = %d, stderr = %s", code, stderr.String())
+	}
+
+	var decisions []api.DecisionEnvelope
+	if err := json.Unmarshal(stdout.Bytes(), &decisions); err != nil {
+		t.Fatalf("unmarshal decisions: %v\n%s", err, stdout.String())
+	}
+	if len(decisions) != 2 || decisions[0].Effect != api.DecisionEffectAllow || decisions[1].Effect != api.DecisionEffectDeny {
+		t.Fatalf("decisions = %+v; want allow then deny", decisions)
+	}
+}
+
+func TestRunValidateAccessDescriptor(t *testing.T) {
+	var stdout, stderr bytes.Buffer
+	code := run([]string{"validate", "--kind", "access-descriptor", "--file", examplePath("access_descriptor.yaml")}, &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("code = %d, stderr = %s", code, stderr.String())
+	}
+	if !strings.Contains(stdout.String(), `"status": "valid"`) {
+		t.Fatalf("stdout = %s; want valid status", stdout.String())
+	}
+}
+
+func examplePath(name string) string {
+	return filepath.Join("..", "..", "examples", "caring", name)
+}