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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")
}
}
func TestRenamePost(t *testing.T) {
m := openTestDB(t)
original := PostRecord{
Slug: "original-slug",
Title: "My Post",
Date: "2026-04-04",
Tags: []string{"go"},
Draft: false,
Blocks: `[{"type":"paragraph","data":{"text":"hello"}}]`,
UpdatedAt: 1000000,
}
if err := m.UpsertPost(original); err != nil {
t.Fatalf("UpsertPost: %v", err)
}
if err := m.RenamePost("original-slug", "new-slug"); err != nil {
t.Fatalf("RenamePost: %v", err)
}
// New slug exists with same content
got, err := m.GetPost("new-slug")
if err != nil {
t.Fatalf("GetPost new-slug: %v", err)
}
if got.Title != "My Post" {
t.Errorf("title: got %q, want %q", got.Title, "My Post")
}
// Old slug is gone
_, err = m.GetPost("original-slug")
if err == nil {
t.Error("expected old slug to be deleted, but GetPost returned no error")
}
// Redirect exists
toSlug, err := m.GetRedirect("original-slug")
if err != nil {
t.Fatalf("GetRedirect: %v", err)
}
if toSlug != "new-slug" {
t.Errorf("redirect: got %q, want %q", toSlug, "new-slug")
}
}
func TestRenamePost_CollapsesChain(t *testing.T) {
m := openTestDB(t)
// Create post at "b"
if err := m.UpsertPost(PostRecord{Slug: "b", Title: "B", Blocks: "[]", UpdatedAt: 1}); err != nil {
t.Fatalf("UpsertPost: %v", err)
}
// Existing redirect a -> b
if err := m.AddRedirect("a", "b"); err != nil {
t.Fatalf("AddRedirect: %v", err)
}
// Rename b -> c: should collapse a -> c
if err := m.RenamePost("b", "c"); err != nil {
t.Fatalf("RenamePost: %v", err)
}
got, err := m.GetRedirect("a")
if err != nil {
t.Fatalf("GetRedirect a: %v", err)
}
if got != "c" {
t.Errorf("chain collapse: got %q, want %q", got, "c")
}
}
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