Michael McGuinness
103 lines
2.3 KiB
Go
103 lines
2.3 KiB
Go
package database_test
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import (
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"context"
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"fmt"
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"os"
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"queryorchestration/internal/database"
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"testing"
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"github.com/docker/go-connections/nat"
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"github.com/stretchr/testify/assert"
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"github.com/testcontainers/testcontainers-go"
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"github.com/testcontainers/testcontainers-go/wait"
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)
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func TestDBConn(t *testing.T) {
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ctx := context.Background()
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_, container := createDB(t, ctx)
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defer container.Terminate(ctx)
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conn := database.GetDBConn(ctx)
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assert.NotNil(t, conn)
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os.Setenv("DB_HOST", "")
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assert.Panics(t, func() { database.GetDBConn(ctx) })
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}
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func TestDBPool(t *testing.T) {
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ctx := context.Background()
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_, container := createDB(t, ctx)
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defer container.Terminate(ctx)
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pool := database.GetDBPool(ctx)
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assert.NotNil(t, pool)
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os.Setenv("DB_HOST", "")
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assert.Panics(t, func() { database.GetDBPool(ctx) })
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}
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type dbConfig struct {
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Name string
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Host string
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Port int
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User string
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Password string
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}
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func createDB(t *testing.T, ctx context.Context) (*dbConfig, testcontainers.Container) {
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alias := "postgres"
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port, err := nat.NewPort("tcp", "5432")
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if err != nil {
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t.Fatalf("Failed to create port: %v", err)
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}
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config := dbConfig{
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Name: "queryorchestration",
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Password: "pass",
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User: "postgres",
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Port: port.Int(),
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Host: alias,
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}
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req := testcontainers.ContainerRequest{
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Image: "postgres:latest",
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Env: map[string]string{
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"POSTGRES_DB": config.Name,
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"POSTGRES_USER": config.User,
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"POSTGRES_PASSWORD": config.Password,
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},
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ExposedPorts: []string{port.Port()},
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WaitingFor: wait.ForListeningPort(port),
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}
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container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
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ContainerRequest: req,
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Started: true,
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})
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if err != nil {
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t.Fatalf("Failed to start container: %v", err)
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}
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mappedHost, err := container.Host(ctx)
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if err != nil {
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t.Fatalf("Failed to map host: %v", err)
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}
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mappedPort, err := container.MappedPort(ctx, port)
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if err != nil {
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t.Fatalf("Failed to map port: %v", err)
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}
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config.Host = mappedHost
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config.Port = mappedPort.Int()
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os.Setenv("DB_USER", config.User)
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os.Setenv("DB_PASS", config.Password)
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os.Setenv("DB_HOST", config.Host)
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os.Setenv("DB_PORT", fmt.Sprint(config.Port))
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os.Setenv("DB_NAME", config.Name)
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return &config, container
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}
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