hako/e2e/e2eutil/container.go

102 lines
2.8 KiB
Go

package e2eutil
import (
"context"
"fmt"
"os"
"os/exec"
"path/filepath"
"testing"
"time"
"github.com/docker/go-connections/nat"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/wait"
)
// StartHakoContainer starts a Hako container for E2E testing.
// It builds the webapp, compiles the binary, creates a container, and returns
// the container instance and base URL for accessing the server.
func StartHakoContainer(ctx context.Context, t *testing.T) (testcontainers.Container, string, error) {
t.Helper()
// Get the project root (one level up from e2e)
projectRoot, err := filepath.Abs(filepath.Join("..", ".."))
if err != nil {
return nil, "", fmt.Errorf("failed to get project root: %w", err)
}
// Build webapp
t.Log("Building webapp...")
cmd := exec.CommandContext(ctx, "make", "build-webapp")
cmd.Dir = projectRoot
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return nil, "", fmt.Errorf("failed to build webapp: %w", err)
}
// Build Hako binary for the container (Linux)
t.Log("Building Hako binary...")
binaryPath := filepath.Join(projectRoot, "e2e", "hako")
cmd = exec.CommandContext(ctx, "go", "build", "-o", binaryPath, "./cmd/hako")
cmd.Dir = projectRoot
cmd.Env = append(os.Environ(), "CGO_ENABLED=0", "GOOS=linux", "GOARCH=amd64")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return nil, "", fmt.Errorf("failed to build binary: %w", err)
}
// Ensure binary is removed on cleanup
t.Cleanup(func() {
os.Remove(binaryPath)
})
// Create container request
req := testcontainers.ContainerRequest{
FromDockerfile: testcontainers.FromDockerfile{
Context: filepath.Join(projectRoot, "e2e"),
Dockerfile: "Dockerfile.e2e",
PrintBuildLog: true,
},
ExposedPorts: []string{"8080/tcp"},
WaitingFor: wait.ForLog("Starting HTTP server").
WithStartupTimeout(30 * time.Second),
}
// Start container
t.Log("Starting Hako container...")
container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
ContainerRequest: req,
Started: true,
})
if err != nil {
return nil, "", fmt.Errorf("failed to start container: %w", err)
}
// Register cleanup
t.Cleanup(func() {
if err := container.Terminate(ctx); err != nil {
t.Logf("Failed to terminate container: %v", err)
}
})
// Get the mapped port
mappedPort, err := container.MappedPort(ctx, nat.Port("8080/tcp"))
if err != nil {
return nil, "", fmt.Errorf("failed to get mapped port: %w", err)
}
// Get the host
host, err := container.Host(ctx)
if err != nil {
return nil, "", fmt.Errorf("failed to get container host: %w", err)
}
// Construct base URL
baseURL := fmt.Sprintf("http://%s:%s", host, mappedPort.Port())
t.Logf("Hako container started at %s", baseURL)
return container, baseURL, nil
}