Move DB bootstrapping into the Go code

.github/workflows/ci.yaml

@@ -50,12 +50,8 @@ jobs:
       - uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go }}
-      - name: Create Table
-        run: |
-          make mysql
-          make psql
       - name: Run integration tests
         env:
-          MYSQL_DSN: "root:pass@/txdb_test"
-          PSQL_DSN: "postgres://postgres:pass@localhost/txdb_test"
+          MYSQL_DSN: "root:pass@/"
+          PSQL_DSN: "postgres://postgres:pass@localhost/"
         run: go test ./...

Makefile

@@ -1,54 +1,4 @@
-define MYSQL_SQL
-CREATE TABLE users (
-  id BIGINT UNSIGNED AUTO_INCREMENT NOT NULL,
-  username VARCHAR(32) NOT NULL,
-  email VARCHAR(255) NOT NULL,
-  PRIMARY KEY (id),
-  UNIQUE INDEX uniq_email (email)
-) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE = InnoDB;
-endef
-
-define PSQL_SQL
-CREATE TABLE users (
-  id SERIAL PRIMARY KEY,
-  username VARCHAR(32) NOT NULL,
-  email VARCHAR(255) UNIQUE NOT NULL
-);
-endef
-
-export MYSQL_SQL
-MYSQL := "$$MYSQL_SQL"
-
-export PSQL_SQL
-PSQL := "$$PSQL_SQL"
-
-INSERTS := "INSERT INTO users (username, email) VALUES ('gopher', 'gopher@go.com'), ('john', 'john@doe.com'), ('jane', 'jane@doe.com');"
-
-MYSQLCMD=mysql
-ifndef CI
-	MYSQLCMD=docker compose exec mysql mysql
-endif
-
-PSQLCMD=psql
-ifndef CI
-	PSQLCMD=docker compose exec postgres psql
-endif
-
 test: MYSQL_DSN=root:pass@/txdb_test
 test: PSQL_DSN=postgres://postgres:pass@localhost/txdb_test
 test: mysql psql
 	@go test -race
-
-mysql:
-	@$(MYSQLCMD) -h 127.0.0.1 -u root -ppass -e 'DROP DATABASE IF EXISTS txdb_test'
-	@$(MYSQLCMD) -h 127.0.0.1 -u root -ppass -e 'CREATE DATABASE txdb_test'
-	@$(MYSQLCMD) -h 127.0.0.1 -u root -ppass txdb_test -e $(MYSQL)
-	@$(MYSQLCMD) -h 127.0.0.1 -u root -ppass txdb_test -e $(INSERTS)
-
-psql:
-	@$(PSQLCMD) "postgresql://postgres:pass@127.0.0.1" -c 'DROP DATABASE IF EXISTS txdb_test'
-	@$(PSQLCMD) "postgresql://postgres:pass@127.0.0.1" -c 'CREATE DATABASE txdb_test'
-	@$(PSQLCMD) "postgresql://postgres:pass@127.0.0.1/txdb_test" -c $(PSQL)
-	@$(PSQLCMD) "postgresql://postgres:pass@127.0.0.1/txdb_test" -c $(INSERTS)
-
-.PHONY: test mysql psql

bootstrap_test.go

@@ -0,0 +1,62 @@
+package txdb_test
+
+import (
+	"database/sql"
+	"testing"
+)
+
+const (
+	mysql_sql = `CREATE TABLE users (
+		id BIGINT UNSIGNED AUTO_INCREMENT NOT NULL,
+		username VARCHAR(32) NOT NULL,
+		email VARCHAR(255) NOT NULL,
+		PRIMARY KEY (id),
+		UNIQUE INDEX uniq_email (email)
+	) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE = InnoDB`
+
+	psql_sql = `CREATE TABLE users (
+		id SERIAL PRIMARY KEY,
+		username VARCHAR(32) NOT NULL,
+		email VARCHAR(255) UNIQUE NOT NULL
+	)`
+
+	inserts = `INSERT INTO users (username, email) VALUES ('gopher', 'gopher@go.com'), ('john', 'john@doe.com'), ('jane', 'jane@doe.com')`
+
+	testDB = "txdb_test"
+)
+
+// bootstrap bootstraps the database with the nfor tests.
+func bootstrap(t *testing.T, driver, dsn string) {
+	db, err := sql.Open(driver, dsn)
+	if err != nil {
+		t.Fatal(err)
+	}
+	switch driver {
+	case "mysql":
+		if _, err := db.Exec(mysql_sql); err != nil {
+			t.Fatal(err)
+		}
+	case "postgres":
+		if _, err := db.Exec(psql_sql); err != nil {
+			t.Fatal(err)
+		}
+	default:
+		panic("unrecognized driver: " + driver)
+	}
+	if _, err := db.Exec(inserts); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func createDB(t *testing.T, driver, dsn string) {
+	db, err := sql.Open(driver, dsn)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := db.Exec("DROP DATABASE IF EXISTS txdb_test"); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := db.Exec("CREATE DATABASE txdb_test"); err != nil {
+		t.Fatal(err)
+	}
+}