Add interface to repository

backend/.env.example

@@ -1,3 +1,4 @@
+# No double quote needed for the text. Database will fail.
 PG_HOST=localhost
 PG_USER=your_db_user
 PG_PASSWORD=your_db_password

backend/db/migrations/20240704123000_create_users_and_cards_tables.sql

@@ -1,23 +1,23 @@
 -- +goose Up
 -- SQL in section 'Up' is executed when this migration is applied.
 
-CREATE TABLE users
+CREATE TABLE IF NOT EXISTS users
 (
     id      BIGSERIAL PRIMARY KEY,
     name    TEXT      NOT NULL,
     created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     updated TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
-CREATE TABLE cardgroups
+CREATE TABLE IF NOT EXISTS cardgroups
 (
     id      BIGSERIAL PRIMARY KEY,
     name    TEXT      NOT NULL,
     created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     updated TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
-CREATE TABLE cards
+CREATE TABLE IF NOT EXISTS cards
 (
     id            BIGSERIAL PRIMARY KEY,
     front         TEXT      NOT NULL,
@@ -28,31 +28,31 @@ CREATE TABLE cards
     updated       TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     cardgroup_id  INTEGER   NOT NULL,
     FOREIGN KEY (cardgroup_id) REFERENCES cardgroups (id) ON DELETE CASCADE
-);
+    );
 
-CREATE TABLE cardgroup_users
+CREATE TABLE IF NOT EXISTS cardgroup_users
 (
     cardgroup_id BIGINT NOT NULL,
     user_id      BIGINT NOT NULL,
     PRIMARY KEY (cardgroup_id, user_id),
     FOREIGN KEY (cardgroup_id) REFERENCES cardgroups (id) ON DELETE CASCADE,
     FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
-);
+    );
 
-CREATE TABLE roles
+CREATE TABLE IF NOT EXISTS roles
 (
     id   BIGSERIAL PRIMARY KEY,
     name TEXT NOT NULL UNIQUE
 );
 
-CREATE TABLE user_roles
+CREATE TABLE IF NOT EXISTS user_roles
 (
     user_id BIGINT NOT NULL,
     role_id BIGINT NOT NULL,
     PRIMARY KEY (user_id, role_id),
     FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE,
     FOREIGN KEY (role_id) REFERENCES roles (id) ON DELETE CASCADE
-);
+    );
 
 -- +goose Down
 -- SQL section 'Down' is executed when this migration is rolled back.

backend/graph/schema.resolvers_test.go

@@ -46,7 +46,7 @@ func TestMain(m *testing.M) {
 	}
 
 	// Setup Echo server
-	db = pg.DB
+	db = pg.GetDB()
 	e = setupEchoServer(db)
 
 	// Run the tests
@@ -125,6 +125,7 @@ func removeField(data map[string]interface{}, field string) {
 }
 
 func runServersTest(t *testing.T, fn func(*testing.T)) {
+
 	// Begin a new transaction
 	tx := db.Begin()
 	if tx.Error != nil {
@@ -170,6 +171,8 @@ func runServersTest(t *testing.T, fn func(*testing.T)) {
 }
 
 func TestMutationResolver(t *testing.T) {
+	t.Helper()
+
 	runServersTest(t, func(t *testing.T) {
 		t.Run("CreateCard", func(t *testing.T) {
 
@@ -416,6 +419,8 @@ func TestMutationResolver(t *testing.T) {
 }
 
 func TestQueryResolver(t *testing.T) {
+	t.Helper()
+
 	runServersTest(t, func(t *testing.T) {
 		t.Run("Cards", func(t *testing.T) {
 

backend/main_test.go

@@ -10,7 +10,6 @@ import (
 	"github.com/labstack/echo/v4/middleware"
 	"net/http"
 	"net/http/httptest"
-	"os"
 	"testing"
 
 	"backend/pkg/config"
@@ -20,13 +19,9 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestMain(m *testing.M) {
-	// Set up the test environment
-	code := m.Run()
-	os.Exit(code)
-}
+func TestMainSmoke(t *testing.T) {
+	t.Parallel()
 
-func TestGraphQLServer(t *testing.T) {
 	ctx := context.Background()
 	user := "test"
 	password := "test"
@@ -45,11 +40,11 @@ func TestGraphQLServer(t *testing.T) {
 	}
 
 	// Override the config values for testing
-	config.Cfg.PGHost = pg.Config.Host
-	config.Cfg.PGUser = pg.Config.User
-	config.Cfg.PGPassword = pg.Config.Password
-	config.Cfg.PGDBName = pg.Config.DBName
-	config.Cfg.PGPort = pg.Config.Port
+	config.Cfg.PGHost = pg.GetConfig().Host
+	config.Cfg.PGUser = pg.GetConfig().User
+	config.Cfg.PGPassword = pg.GetConfig().Password
+	config.Cfg.PGDBName = pg.GetConfig().DBName
+	config.Cfg.PGPort = pg.GetConfig().Port
 	config.Cfg.PGSSLMode = "disable"
 	config.Cfg.Port = 8080
 
@@ -60,7 +55,7 @@ func TestGraphQLServer(t *testing.T) {
 
 	// Create a new resolver with the database connection
 	resolver := &graph.Resolver{
-		DB: pg.DB,
+		DB: pg.GetDB(),
 	}
 
 	srv := handler.NewDefaultServer(graph.NewExecutableSchema(graph.Config{Resolvers: resolver}))