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package db
import (
"database/sql"
"testing"
)
func openTestDB(t *testing.T) *MetaDB {
t.Helper()
m, err := OpenMeta(":memory:")
if err != nil {
t.Fatalf("open test db: %v", err)
}
t.Cleanup(func() { m.Close() })
return m
}
func TestAddAndGetRedirect(t *testing.T) {
m := openTestDB(t)
if err := m.AddRedirect("old-slug", "new-slug"); err != nil {
t.Fatalf("AddRedirect: %v", err)
}
got, err := m.GetRedirect("old-slug")
if err != nil {
t.Fatalf("GetRedirect: %v", err)
}
if got != "new-slug" {
t.Errorf("got %q, want %q", got, "new-slug")
}
}
func TestGetRedirect_NotFound(t *testing.T) {
m := openTestDB(t)
_, err := m.GetRedirect("missing")
if err != sql.ErrNoRows {
t.Errorf("expected sql.ErrNoRows, got %v", err)
}
}
func TestCollapseRedirects(t *testing.T) {
m := openTestDB(t)
// a -> b, then b -> c: collapse should make a -> c
if err := m.AddRedirect("a", "b"); err != nil {
t.Fatalf("AddRedirect: %v", err)
}
if err := m.CollapseRedirects("b", "c"); err != nil {
t.Fatalf("CollapseRedirects: %v", err)
}
got, err := m.GetRedirect("a")
if err != nil {
t.Fatalf("GetRedirect: %v", err)
}
if got != "c" {
t.Errorf("got %q, want %q", got, "c")
}
}
func TestAddRedirect_Upsert(t *testing.T) {
m := openTestDB(t)
if err := m.AddRedirect("old", "first"); err != nil {
t.Fatalf("AddRedirect first: %v", err)
}
if err := m.AddRedirect("old", "second"); err != nil {
t.Fatalf("AddRedirect second: %v", err)
}
got, err := m.GetRedirect("old")
if err != nil {
t.Fatalf("GetRedirect: %v", err)
}
if got != "second" {
t.Errorf("got %q, want %q", got, "second")
}
}
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