add ProxyJump function

internal/keymgr/configonly_test.go

@@ -0,0 +1,85 @@
+package keymgr
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"ssh-access-tui/internal/model"
+)
+
+// TestBuildConfigOnlyArchive_ProxyJumpSelectsRenderer mirrors
+// TestBuildUserArchive_ProxyJumpSelectsRenderer for the config-only refresh
+// path (no keypair generated here, just config + instructions).
+func TestBuildConfigOnlyArchive_ProxyJumpSelectsRenderer(t *testing.T) {
+	if _, err := exec.LookPath("7z"); err != nil {
+		t.Skip("7z not available in PATH")
+	}
+
+	forwards := []model.Forward{
+		{HostName: "cache-1", Address: "10.0.0.9", Port: 6379, ServiceName: "redis"},
+	}
+
+	tests := []struct {
+		name      string
+		proxyJump bool
+	}{
+		{"LocalForward mode", false},
+		{"ProxyJump mode", true},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			scratch := t.TempDir()
+			outDir := t.TempDir()
+			username := "test-user"
+			password := "TestPassw0rd123"
+
+			res, err := BuildConfigOnlyArchive(scratch, outDir, "bastion.example.com", 2222, username, password, forwards, tt.proxyJump)
+			if err != nil {
+				t.Fatalf("BuildConfigOnlyArchive: %v", err)
+			}
+			if _, err := os.Stat(res.ArchivePath); err != nil {
+				t.Fatalf("archive not found on disk: %v", err)
+			}
+
+			if entries, err := os.ReadDir(filepath.Join(scratch, username+"_configonly")); err == nil {
+				t.Fatalf("expected scratch dir to be wiped, still has entries: %v", entries)
+			}
+
+			extractedDir := extract7z(t, res.ArchivePath, password)
+			cfgBytes, err := os.ReadFile(filepath.Join(extractedDir, "config"))
+			if err != nil {
+				t.Fatalf("read extracted config: %v", err)
+			}
+			cfg := string(cfgBytes)
+
+			instrBytes, err := os.ReadFile(filepath.Join(extractedDir, "INSTRUCTIONS.txt"))
+			if err != nil {
+				t.Fatalf("read extracted instructions: %v", err)
+			}
+			instr := string(instrBytes)
+
+			if tt.proxyJump {
+				if strings.Contains(cfg, "LocalForward") {
+					t.Errorf("proxyJump=true config must not contain LocalForward, got:\n%s", cfg)
+				}
+				if !strings.Contains(cfg, "ProxyJump jump") {
+					t.Errorf("proxyJump=true config must contain ProxyJump jump, got:\n%s", cfg)
+				}
+				if strings.Contains(instr, "127.0.0.1") {
+					t.Errorf("proxyJump=true instructions must not mention local ports, got:\n%s", instr)
+				}
+			} else {
+				if strings.Contains(cfg, "ProxyJump") {
+					t.Errorf("proxyJump=false config must not contain ProxyJump, got:\n%s", cfg)
+				}
+				if !strings.Contains(cfg, "LocalForward") {
+					t.Errorf("proxyJump=false config must contain LocalForward, got:\n%s", cfg)
+				}
+			}
+		})
+	}
+}