Files
memby/server/internal/foryou/service_test.go
T
2026-07-29 15:26:55 +12:00

113 lines
3.3 KiB
Go

package foryou
import (
"bytes"
"encoding/json"
"testing"
"github.com/ponzischeme89/memby/server/internal/store"
"github.com/ponzischeme89/memby/server/internal/tracearr"
)
func TestImportedSessionUsesStableKeyAndRecommendationFingerprint(t *testing.T) {
session := tracearr.Session{
ID: "session-1", MediaType: "movie", MediaTitle: "Arrival",
ProgressMs: 500, TotalDurationMs: 1000,
}
session.User.ID = "user-1"
session.User.Username = "Matt"
first, ok := importedSession(session, "configured-server")
if !ok {
t.Fatal("session was rejected")
}
if first.ServerID != "configured-server" || first.SessionID != "session-1" {
t.Fatalf("key = %q/%q", first.ServerID, first.SessionID)
}
second, _ := importedSession(session, "configured-server")
if !bytes.Equal(first.SourceFingerprint, second.SourceFingerprint) {
t.Fatal("unchanged session did not produce a stable fingerprint")
}
session.ProgressMs = 750
updated, _ := importedSession(session, "configured-server")
if bytes.Equal(first.SourceFingerprint, updated.SourceFingerprint) {
t.Fatal("updated progress was not detected by the fingerprint")
}
}
func TestBuildPreparedRowsUsesMultipleSourcesAndDeduplicatesTitles(t *testing.T) {
items := make([]store.PreparedForYouItem, 0, 120)
for i := 0; i < 120; i++ {
sourceID, sourceTitle := "six-feet-under", "Six Feet Under"
genre := "Drama"
if i%2 == 1 {
sourceID, sourceTitle = "arrival", "Arrival"
genre = "Science Fiction"
}
id := "item-" + itoaForTest(i)
items = append(items, store.PreparedForYouItem{
ItemID: id, BaseRank: i + 1,
Payload: json.RawMessage(`{"Id":"` + id + `"}`),
CompatibilityScore: 0.8,
CompatibilityLabel: "Direct plays well on this TV",
RecommendationReason: "Because you finished " + sourceTitle,
ReasonGenre: genre, ReasonSourceItemID: sourceID,
ReasonSourceTitle: sourceTitle,
})
}
rows := buildPreparedRows(items, 0, 4)
if len(rows) < 4 {
t.Fatalf("expected several prepared rows, got %d", len(rows))
}
titles := map[string]bool{}
itemIDs := map[string]bool{}
for _, row := range rows {
titles[row.Title] = true
for _, raw := range row.Items {
var item struct {
ID string `json:"Id"`
}
if err := json.Unmarshal(raw, &item); err != nil {
t.Fatal(err)
}
if itemIDs[item.ID] {
t.Fatalf("item %q appeared in more than one row", item.ID)
}
itemIDs[item.ID] = true
}
}
if !titles["Because you finished Six Feet Under"] ||
!titles["Because you finished Arrival"] {
t.Fatalf("completed-title rows = %+v", titles)
}
}
func TestBuildPreparedRowsKeepsASingleGenuinePickup(t *testing.T) {
rows := buildPreparedRows([]store.PreparedForYouItem{{
ItemID: "show-1", BaseRank: 1,
Payload: json.RawMessage(`{"Id":"show-1"}`),
ReasonKind: "pick-up",
RecommendationReason: "You left this in season 1 · pick it up again",
}}, 0, 4)
if len(rows) != 1 || rows[0].ID != "for-you:pick-up" ||
rows[0].Title != "Pick these up again" || len(rows[0].Items) != 1 {
t.Fatalf("pickup rows = %+v", rows)
}
}
func itoaForTest(value int) string {
if value == 0 {
return "0"
}
var digits [20]byte
position := len(digits)
for value > 0 {
position--
digits[position] = byte('0' + value%10)
value /= 10
}
return string(digits[position:])
}