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package liturgy
import (
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"time"
)
func TestHarvestAndOffline(t *testing.T) {
html, _ := os.ReadFile("testdata/2026-07-22.html")
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.Contains(r.URL.Path, "2026-07-22") {
w.Write(html)
} else {
w.Write([]byte("<html>Przykro nam</html>")) // horizon
}
}))
defer srv.Close()
t.Setenv("XDG_CACHE_HOME", t.TempDir())
t.Setenv("XDG_DATA_HOME", t.TempDir())
baseURL = srv.URL + "/liturgia/%s/Ewangelia"
added, _, err := Harvest("2026-07-22", 3)
if err != nil || added < 1 {
t.Fatalf("harvest: added=%d err=%v", added, err)
}
secs, err := LoadOffline("2026-07-22")
if err != nil {
t.Fatal(err)
}
var haveGospel bool
var haveFirstCzytanie bool
for _, s := range secs {
if s.Citation == "J 20, 1. 11-18" && s.PartID == "ewangelia" {
haveGospel = true
}
if strings.HasPrefix(s.Heading, "1. czytanie") && s.PartID == "pierwsze_czytanie" {
haveFirstCzytanie = true
}
}
if !haveGospel {
t.Error("offline gospel citation or PartID missing")
}
if !haveFirstCzytanie {
t.Error("offline first czytanie PartID missing")
}
}
// TestHarvestFetchErrorSavesPartialProgress exercises the transient-error
// path: a genuine network/transport failure on a date must NOT be mistaken
// for the unpublished horizon (that is Parse's job, on a "Przykro nam" page
// -- see TestHarvestAndOffline above, which stays nil-error). It must
// instead surface as a returned error, after writeSigla has still saved
// whatever was harvested before the failing date.
func TestHarvestFetchErrorSavesPartialProgress(t *testing.T) {
html, _ := os.ReadFile("testdata/2026-07-22.html")
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if strings.Contains(r.URL.Path, "2026-07-22") {
w.Write(html)
return
}
// Simulate a network/transport error (not a "Przykro nam" horizon
// page) by hijacking the connection and closing it without a
// response, so the client sees a read/EOF error.
hj, ok := w.(http.Hijacker)
if !ok {
t.Fatal("test server ResponseWriter does not support hijacking")
}
conn, _, err := hj.Hijack()
if err != nil {
t.Fatal(err)
}
conn.Close()
}))
defer srv.Close()
t.Setenv("XDG_CACHE_HOME", t.TempDir())
t.Setenv("XDG_DATA_HOME", t.TempDir())
baseURL = srv.URL + "/liturgia/%s/Ewangelia"
origRetries, origDelay := harvestRetries, harvestRetryDelay
harvestRetries, harvestRetryDelay = 2, time.Millisecond
defer func() { harvestRetries, harvestRetryDelay = origRetries, origDelay }()
added, furthest, err := Harvest("2026-07-22", 0)
if err == nil {
t.Fatal("harvest: want error on a fetch failure, got nil")
}
if added != 1 || furthest != "2026-07-22" {
t.Errorf("harvest: added=%d furthest=%q, want added=1 furthest=2026-07-22 (only the one date fetched before the network error)", added, furthest)
}
// Progress made before the failing date must still be on disk.
secs, offErr := LoadOffline("2026-07-22")
if offErr != nil || len(secs) == 0 {
t.Errorf("harvest: partial progress not saved: offErr=%v secs=%v", offErr, secs)
}
}
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