refactor: move pkg/ to internal/ and update imports

Restructure project by relocating package contents from pkg/ to internal/ to better reflect internal-only usage. This commit is initial step to prepare project for public api

internal/repos/find_test.go

@@ -0,0 +1,147 @@
+// This file was originally part of the project "LURE - Linux User REpository", created by Elara Musayelyan.
+// It has been modified as part of "ALR - Any Linux Repository" by the ALR Authors.
+//
+// ALR - Any Linux Repository
+// Copyright (C) 2025 The ALR Authors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package repos_test
+
+import (
+	"reflect"
+	"strings"
+	"testing"
+
+	"gitea.plemya-x.ru/Plemya-x/ALR/internal/db"
+	"gitea.plemya-x.ru/Plemya-x/ALR/internal/repos"
+	"gitea.plemya-x.ru/Plemya-x/ALR/internal/types"
+)
+
+func TestFindPkgs(t *testing.T) {
+	e := prepare(t)
+	defer cleanup(t, e)
+
+	rs := repos.New(
+		e.Cfg,
+		e.Db,
+	)
+
+	err := rs.Pull(e.Ctx, []types.Repo{
+		{
+			Name: "default",
+			URL:  "https://gitea.plemya-x.ru/Plemya-x/alr-default.git",
+		},
+	})
+	if err != nil {
+		t.Fatalf("Expected no error, got %s", err)
+	}
+
+	found, notFound, err := rs.FindPkgs(
+		e.Ctx,
+		[]string{"alr", "nonexistentpackage1", "nonexistentpackage2"},
+	)
+	if err != nil {
+		t.Fatalf("Expected no error, got %s", err)
+	}
+
+	if !reflect.DeepEqual(notFound, []string{"nonexistentpackage1", "nonexistentpackage2"}) {
+		t.Errorf("Expected 'nonexistentpackage{1,2} not to be found")
+	}
+
+	if len(found) != 1 {
+		t.Errorf("Expected 1 package found, got %d", len(found))
+	}
+
+	alrPkgs, ok := found["alr"]
+	if !ok {
+		t.Fatalf("Expected 'alr' packages to be found")
+	}
+
+	if len(alrPkgs) < 2 {
+		t.Errorf("Expected two 'alr' packages to be found")
+	}
+
+	for i, pkg := range alrPkgs {
+		if !strings.HasPrefix(pkg.Name, "alr") {
+			t.Errorf("Expected package name of all found packages to start with 'alr', got %s on element %d", pkg.Name, i)
+		}
+	}
+}
+
+func TestFindPkgsEmpty(t *testing.T) {
+	e := prepare(t)
+	defer cleanup(t, e)
+
+	rs := repos.New(
+		e.Cfg,
+		e.Db,
+	)
+
+	err := e.Db.InsertPackage(e.Ctx, db.Package{
+		Name:       "test1",
+		Repository: "default",
+		Version:    "0.0.1",
+		Release:    1,
+		Description: db.NewJSON(map[string]string{
+			"en": "Test package 1",
+			"ru": "Проверочный пакет 1",
+		}),
+		Provides: db.NewJSON([]string{""}),
+	})
+	if err != nil {
+		t.Fatalf("Expected no error, got %s", err)
+	}
+
+	err = e.Db.InsertPackage(e.Ctx, db.Package{
+		Name:       "test2",
+		Repository: "default",
+		Version:    "0.0.1",
+		Release:    1,
+		Description: db.NewJSON(map[string]string{
+			"en": "Test package 2",
+			"ru": "Проверочный пакет 2",
+		}),
+		Provides: db.NewJSON([]string{"test"}),
+	})
+	if err != nil {
+		t.Fatalf("Expected no error, got %s", err)
+	}
+
+	found, notFound, err := rs.FindPkgs(e.Ctx, []string{"test", ""})
+	if err != nil {
+		t.Fatalf("Expected no error, got %s", err)
+	}
+
+	if len(notFound) != 0 {
+		t.Errorf("Expected all packages to be found")
+	}
+
+	if len(found) != 1 {
+		t.Errorf("Expected 1 package found, got %d", len(found))
+	}
+
+	testPkgs, ok := found["test"]
+	if !ok {
+		t.Fatalf("Expected 'test' packages to be found")
+	}
+
+	if len(testPkgs) != 1 {
+		t.Errorf("Expected one 'test' package to be found, got %d", len(testPkgs))
+	}
+
+	if testPkgs[0].Name != "test2" {
+		t.Errorf("Expected 'test2' package, got '%s'", testPkgs[0].Name)
+	}
+}