v1.0.0

internal/config/config_test.go

@@ -0,0 +1,105 @@
+package config
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+)
+
+func intPtr(value int) *int {
+	return &value
+}
+
+func TestLoadConfig(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "tunnels.toml")
+	contents := `sshConfig = "/etc/ssh/est.conf"
+
+[retry]
+count = 3
+delay = "2s"
+
+[[entry]]
+direction = "ltr"
+host = "vps"
+localPort = 22
+remotePort = 2222
+identityFile = "/keys/vps"
+
+[entry.retry]
+count = -1
+delay = "100ms"
+`
+	if err := os.WriteFile(path, []byte(contents), 0o600); err != nil {
+		t.Fatalf("write config: %v", err)
+	}
+
+	cfg, err := LoadConfig(path)
+	if err != nil {
+		t.Fatalf("LoadConfig() error = %v", err)
+	}
+
+	if cfg.SSHConfig != "/etc/ssh/est.conf" {
+		t.Errorf("SSHConfig = %q, want %q", cfg.SSHConfig, "/etc/ssh/est.conf")
+	}
+	if len(cfg.Entries) != 1 {
+		t.Fatalf("entries = %d, want 1", len(cfg.Entries))
+	}
+	entry := cfg.Entries[0]
+	if entry.Direction != LocalToRemote || entry.Host != "vps" || entry.LocalPort != 22 || entry.RemotePort != 2222 || entry.IdentityFile != "/keys/vps" {
+		t.Errorf("entry = %#v, want decoded tunnel values", entry)
+	}
+	retry, err := cfg.RetrySettings(entry)
+	if err != nil {
+		t.Fatalf("RetrySettings() error = %v", err)
+	}
+	if retry.Count != -1 || retry.Delay != 100*time.Millisecond {
+		t.Errorf("entry retry = %#v, want count=-1 delay=100ms", retry)
+	}
+}
+
+func TestConfigRetrySettings(t *testing.T) {
+	tests := []struct {
+		name  string
+		cfg   Config
+		entry ProxyEntry
+		want  RetrySettings
+	}{
+		{name: "defaults", want: RetrySettings{Count: DefaultRetryCount, Delay: DefaultRetryDelay}},
+		{name: "top level", cfg: Config{Retry: &RetryConfig{Count: intPtr(2), Delay: "1s"}}, want: RetrySettings{Count: 2, Delay: time.Second}},
+		{name: "entry override", cfg: Config{Retry: &RetryConfig{Count: intPtr(2), Delay: "1s"}}, entry: ProxyEntry{Retry: &RetryConfig{Count: intPtr(0), Delay: "50ms"}}, want: RetrySettings{Count: 0, Delay: 50 * time.Millisecond}},
+		{name: "entry override uses defaults", cfg: Config{Retry: &RetryConfig{Count: intPtr(-1), Delay: "1s"}}, entry: ProxyEntry{Retry: &RetryConfig{}}, want: RetrySettings{Count: DefaultRetryCount, Delay: DefaultRetryDelay}},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := tt.cfg.RetrySettings(tt.entry)
+			if err != nil {
+				t.Fatalf("RetrySettings() error = %v", err)
+			}
+			if got != tt.want {
+				t.Errorf("RetrySettings() = %#v, want %#v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestRetryConfigSettingsRejectsInvalidValues(t *testing.T) {
+	for _, retry := range []RetryConfig{
+		{Count: intPtr(-2)},
+		{Delay: "not-a-duration"},
+		{Delay: "0s"},
+	} {
+		if _, err := retry.Settings(); err == nil {
+			t.Errorf("Settings() error = nil for %#v", retry)
+		}
+	}
+}
+
+func TestLoadConfigMissingFile(t *testing.T) {
+	_, err := LoadConfig(filepath.Join(t.TempDir(), "missing.toml"))
+	if !errors.Is(err, os.ErrNotExist) {
+		t.Fatalf("LoadConfig() error = %v, want not-exist error", err)
+	}
+}