Nginx

Creating a Nginx containerTest for a Nginx container

package nginx

import (
    "context"
    "fmt"
    "time"

    "github.com/testcontainers/testcontainers-go"
    "github.com/testcontainers/testcontainers-go/wait"
)

type nginxContainer struct {
    testcontainers.Container
    URI string
}

func startContainer(ctx context.Context) (*nginxContainer, error) {
    req := testcontainers.ContainerRequest{
        Image:        "nginx",
        ExposedPorts: []string{"80/tcp"},
        WaitingFor:   wait.ForHTTP("/").WithStartupTimeout(10 * time.Second),
    }
    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
        ContainerRequest: req,
        Started:          true,
    })
    var nginxC *nginxContainer
    if container != nil {
        nginxC = &nginxContainer{Container: container}
    }
    if err != nil {
        return nginxC, err
    }

    ip, err := container.Host(ctx)
    if err != nil {
        return nginxC, err
    }

    mappedPort, err := container.MappedPort(ctx, "80")
    if err != nil {
        return nginxC, err
    }

    nginxC.URI = fmt.Sprintf("http://%s:%s", ip, mappedPort.Port())
    return nginxC, nil
}

package nginx

import (
    "context"
    "net/http"
    "testing"

    "github.com/stretchr/testify/require"

    "github.com/testcontainers/testcontainers-go"
)

func TestIntegrationNginxLatestReturn(t *testing.T) {
    if testing.Short() {
        t.Skip("skipping integration test")
    }

    ctx := context.Background()

    nginxC, err := startContainer(ctx)
    testcontainers.CleanupContainer(t, nginxC)
    require.NoError(t, err)

    resp, err := http.Get(nginxC.URI)
    require.NoError(t, err)
    require.Equal(t, http.StatusOK, resp.StatusCode)
}