test: add server unit tests

internal/server/server_test.go

@@ -0,0 +1,54 @@
+package server
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestNewServer(t *testing.T) {
+	dir := t.TempDir()
+	dbPath := filepath.Join(dir, "test.db")
+	dataDir := filepath.Join(dir, "data")
+	if err := os.MkdirAll(dataDir, 0750); err != nil {
+		t.Fatal(err)
+	}
+
+	cfg := &Config{Port: 47732}
+	s, err := NewServer(dbPath, dataDir, cfg)
+	if err != nil {
+		t.Fatalf("NewServer: %v", err)
+	}
+	defer s.Close()
+
+	if _, err := os.Stat(dbPath); os.IsNotExist(err) {
+		t.Fatal("database file was not created")
+	}
+
+	blobsDir := filepath.Join(dataDir, "blobs")
+	if _, err := os.Stat(blobsDir); os.IsNotExist(err) {
+		t.Fatal("blobs directory was not created")
+	}
+}
+
+func TestConfigSetAdmin(t *testing.T) {
+	dir := t.TempDir()
+	cfgPath := filepath.Join(dir, "config.yml")
+	cfg := &Config{Port: 47732, path: cfgPath}
+
+	if err := cfg.SetAdmin("admin", "secret"); err != nil {
+		t.Fatalf("SetAdmin: %v", err)
+	}
+
+	if !cfg.CheckAdmin("admin", "secret") {
+		t.Fatal("CheckAdmin should return true for correct password")
+	}
+
+	if cfg.CheckAdmin("admin", "wrong") {
+		t.Fatal("CheckAdmin should return false for wrong password")
+	}
+
+	if cfg.CheckAdmin("unknown", "secret") {
+		t.Fatal("CheckAdmin should return false for unknown user")
+	}
+}