egutierrez
90693fb32f
Funciones impuras para gestión de contenedores: docker_build_image, docker_compose_up/down, docker_volume_create/list/remove, generate_dockerfile, write_dockerfile, go_build_binary, health_check_http, deploy_app y stop_app. Todas con tests unitarios donde aplica. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
package infra
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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func TestWriteDockerfile(t *testing.T) {
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t.Run("escribe Dockerfile en directorio existente", func(t *testing.T) {
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tmpDir := t.TempDir()
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content := "FROM alpine:latest\nCMD [\"sh\"]\n"
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path, err := WriteDockerfile(tmpDir, content)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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data, err := os.ReadFile(path)
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if err != nil {
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t.Fatalf("cannot read written file: %v", err)
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}
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if string(data) != content {
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t.Errorf("content mismatch: got %q, want %q", string(data), content)
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}
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})
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t.Run("crea directorio si no existe", func(t *testing.T) {
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tmpDir := t.TempDir()
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newDir := filepath.Join(tmpDir, "subdir", "nested")
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content := "FROM scratch\n"
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path, err := WriteDockerfile(newDir, content)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if _, statErr := os.Stat(newDir); os.IsNotExist(statErr) {
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t.Error("expected directory to be created")
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}
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if _, statErr := os.Stat(path); os.IsNotExist(statErr) {
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t.Errorf("expected Dockerfile at %s", path)
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}
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})
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t.Run("retorna path absoluto correcto", func(t *testing.T) {
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tmpDir := t.TempDir()
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content := "FROM ubuntu:22.04\n"
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path, err := WriteDockerfile(tmpDir, content)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !filepath.IsAbs(path) {
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t.Errorf("expected absolute path, got: %s", path)
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}
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if !strings.HasSuffix(path, "Dockerfile") {
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t.Errorf("expected path to end with Dockerfile, got: %s", path)
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}
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})
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t.Run("error si dir es path invalido", func(t *testing.T) {
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// Intentar escribir en un path donde el padre es un archivo (no directorio)
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tmpDir := t.TempDir()
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// Crear un archivo donde esperamos un directorio
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blockerPath := filepath.Join(tmpDir, "blocker")
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if err := os.WriteFile(blockerPath, []byte("x"), 0o644); err != nil {
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t.Fatal(err)
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}
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// Intentar usar ese archivo como directorio
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_, err := WriteDockerfile(filepath.Join(blockerPath, "subdir"), "FROM scratch\n")
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if err == nil {
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t.Error("expected error when dir path goes through a file, got nil")
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}
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})
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}
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