first commit

internal/repository/mysql/tasks_integration_test.go

@@ -0,0 +1,82 @@
+//go:build integration
+
+package mysql
+
+import (
+	"context"
+	"database/sql"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/testcontainers/testcontainers-go"
+	tcmysql "github.com/testcontainers/testcontainers-go/modules/mysql"
+	"github.com/testcontainers/testcontainers-go/wait"
+)
+
+func TestTaskRepositoryReportsWithMySQL(t *testing.T) {
+	ctx := context.Background()
+	dsn := testDSN(ctx, t)
+	db, err := sql.Open("mysql", dsn)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+	migrate(ctx, t, db)
+
+	repo := NewTaskRepository(db)
+	if _, err := repo.TeamSummary(context.Background()); err != nil {
+		t.Fatalf("team summary query failed: %v", err)
+	}
+	if _, err := repo.TopCreators(context.Background()); err != nil {
+		t.Fatalf("top creators query failed: %v", err)
+	}
+	if _, err := repo.InvalidAssignees(context.Background()); err != nil {
+		t.Fatalf("invalid assignees query failed: %v", err)
+	}
+}
+
+func testDSN(ctx context.Context, t *testing.T) string {
+	t.Helper()
+	if dsn := os.Getenv("TEST_MYSQL_DSN"); dsn != "" {
+		return dsn
+	}
+	container, err := tcmysql.Run(ctx,
+		"mysql:8.4",
+		tcmysql.WithDatabase("task_service_test"),
+		tcmysql.WithUsername("app"),
+		tcmysql.WithPassword("app"),
+		testcontainers.WithWaitStrategy(wait.ForListeningPort("3306/tcp").WithStartupTimeout(2*time.Minute)),
+	)
+	if err != nil {
+		t.Fatalf("start mysql container: %v", err)
+	}
+	t.Cleanup(func() {
+		_ = testcontainers.TerminateContainer(container)
+	})
+	dsn, err := container.ConnectionString(ctx, "parseTime=true", "multiStatements=true")
+	if err != nil {
+		t.Fatalf("mysql dsn: %v", err)
+	}
+	return dsn
+}
+
+func migrate(ctx context.Context, t *testing.T, db *sql.DB) {
+	t.Helper()
+	data, err := os.ReadFile(filepath.Join("..", "..", "..", "migrations", "001_init.sql"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, stmt := range strings.Split(string(data), ";") {
+		stmt = strings.TrimSpace(stmt)
+		if stmt == "" {
+			continue
+		}
+		if _, err := db.ExecContext(ctx, stmt); err != nil {
+			t.Fatalf("migration failed: %v\nsql: %s", err, stmt)
+		}
+	}
+}