egutierrez
53200cbc0d
Nuevas funciones Go con tests en tres dominios: - core: parse_cron_expr, next_cron_time, join_by_key, validate_struct_fields + tipo CronSchedule - datascience: pivot (tabla dinámica), diff_entities (comparación de entidades) - infra: http_get_json, http_post_json, http_download_file, cache_to_sqlite, cron_ticker Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
package infra
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import (
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"testing"
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"time"
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)
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func TestHttpDownloadFile(t *testing.T) {
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t.Run("httptest.Server sirve archivo binario", func(t *testing.T) {
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content := []byte("\x00\x01\x02\x03binary content")
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/octet-stream")
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w.Write(content)
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}))
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defer srv.Close()
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tmp := t.TempDir()
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dest := filepath.Join(tmp, "out.bin")
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n, err := HttpDownloadFile(srv.URL, dest, nil, 5*time.Second)
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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 n != int64(len(content)) {
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t.Errorf("got %d bytes, want %d", n, len(content))
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}
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got, _ := os.ReadFile(dest)
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if string(got) != string(content) {
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t.Errorf("file content mismatch")
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}
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})
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t.Run("Directorio creado automaticamente", func(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("data"))
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}))
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defer srv.Close()
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tmp := t.TempDir()
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dest := filepath.Join(tmp, "nested", "deep", "file.bin")
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_, err := HttpDownloadFile(srv.URL, dest, nil, 5*time.Second)
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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 _, err := os.Stat(dest); os.IsNotExist(err) {
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t.Error("dest file does not exist after download")
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}
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})
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t.Run("Archivo temporal + rename (no deja basura si falla)", func(t *testing.T) {
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// Server que falla a mitad de la transferencia cortando la conexion
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("partial"))
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// hijack y cierra bruscamente no disponible facilmente; simulamos con
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// status 500 antes de escribir
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}))
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defer srv.Close()
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// Verificar que un download exitoso no deja .download-* temporales
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tmp := t.TempDir()
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dest := filepath.Join(tmp, "file.bin")
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HttpDownloadFile(srv.URL, dest, nil, 5*time.Second)
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entries, _ := os.ReadDir(tmp)
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for _, e := range entries {
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if e.Name() != "file.bin" && filepath.Ext(e.Name()) != ".bin" {
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t.Errorf("unexpected temp file left: %s", e.Name())
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}
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}
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})
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t.Run("Size retornado coincide", func(t *testing.T) {
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content := make([]byte, 10000)
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for i := range content {
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content[i] = byte(i % 256)
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}
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Write(content)
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}))
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defer srv.Close()
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tmp := t.TempDir()
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dest := filepath.Join(tmp, "big.bin")
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n, err := HttpDownloadFile(srv.URL, dest, nil, 5*time.Second)
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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 n != int64(len(content)) {
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t.Errorf("got %d bytes, want %d", n, len(content))
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}
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})
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}
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