#399

frontend/src/lib/postImportStorage.test.ts

@@ -0,0 +1,114 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+import { cleanupExpiredPostImportSessions,
+	 clearPostImportSourceDraft,
+	 loadPostImportSession,
+	 loadPostImportSourceDraft,
+	 savePostImportSession,
+	 savePostImportSourceDraft } from '@/lib/postImportSession'
+import { buildPostImportRow } from '@/test/postImportFactories'
+
+describe ('post import storage', () => {
+  beforeEach (() => {
+    sessionStorage.clear ()
+    vi.useRealTimers ()
+  })
+
+  it ('round-trips a valid session and source draft', () => {
+    const row = buildPostImportRow ({
+      importStatus: 'skipped',
+      skipReason: 'existing',
+      existingPostId: 10 })
+
+    expect (savePostImportSession ('session', {
+      source: row.url,
+      rows: [row],
+      repairMode: 'all' })).toBe (true)
+    expect (loadPostImportSession ('session')).toMatchObject ({
+      version: 2,
+      source: row.url,
+      rows: [{
+	importStatus: 'skipped',
+	skipReason: 'existing',
+	existingPostId: 10 }] })
+
+    expect (savePostImportSourceDraft ('https://example.com')).toBe (true)
+    expect (loadPostImportSourceDraft ()).toEqual ({ source: 'https://example.com' })
+    clearPostImportSourceDraft ()
+    expect (loadPostImportSourceDraft ()).toEqual ({ source: '' })
+  })
+
+  it ('rejects inconsistent post IDs and terminal statuses', () => {
+    const session = {
+      version: 2,
+      savedAt: new Date ().toISOString (),
+      source: '',
+      repairMode: 'all',
+      rows: [buildPostImportRow ()] }
+    const invalidRows = [
+      { ...session.rows[0], skipReason: 'existing', existingPostId: undefined },
+      { ...session.rows[0], existingPostId: 2, skipReason: undefined },
+      { ...session.rows[0], importStatus: 'created', createdPostId: undefined },
+      { ...session.rows[0], importStatus: 'failed', createdPostId: 3 }]
+
+    for (const [index, row] of invalidRows.entries ())
+      {
+	sessionStorage.setItem (`post-import-session:invalid-${ index }`, JSON.stringify ({
+	  ...session,
+	  rows: [row] }))
+	expect (loadPostImportSession (`invalid-${ index }`)).toBeNull ()
+      }
+  })
+
+  it ('rejects invalid attribute, provenance, tag-source, and snapshot data', () => {
+    const row = buildPostImportRow ()
+    const invalidRows = [
+      { ...row, attributes: { title: [] } },
+      { ...row, attributes: { unknown: 'value' } },
+      { ...row, provenance: { title: 'mapped' } },
+      { ...row, tagSources: { mapped: 'tag' } },
+      { ...row, resetSnapshot: { ...row.resetSnapshot,
+	fieldWarnings: { title: 'warning' } } }]
+
+    invalidRows.forEach ((invalidRow, index) => {
+      sessionStorage.setItem (`post-import-session:shape-${ index }`, JSON.stringify ({
+	version: 2,
+	savedAt: new Date ().toISOString (),
+	source: '',
+	rows: [invalidRow],
+	repairMode: 'all' }))
+      expect (loadPostImportSession (`shape-${ index }`)).toBeNull ()
+    })
+  })
+
+  it ('removes expired and malformed sessions without touching current sessions', () => {
+    const current = {
+      version: 2,
+      savedAt: new Date ().toISOString (),
+      source: '',
+      rows: [buildPostImportRow ()],
+      repairMode: 'all' }
+    const expired = {
+      ...current,
+      savedAt: new Date (Date.now () - 25 * 60 * 60 * 1000).toISOString () }
+    sessionStorage.setItem ('post-import-session:current', JSON.stringify (current))
+    sessionStorage.setItem ('post-import-session:expired', JSON.stringify (expired))
+    sessionStorage.setItem ('post-import-session:malformed', '{')
+
+    cleanupExpiredPostImportSessions ()
+
+    expect (sessionStorage.getItem ('post-import-session:current')).not.toBeNull ()
+    expect (sessionStorage.getItem ('post-import-session:expired')).toBeNull ()
+    expect (sessionStorage.getItem ('post-import-session:malformed')).toBeNull ()
+  })
+
+  it ('reports storage access failures without throwing', () => {
+    const onError = vi.fn ()
+    vi.spyOn (Storage.prototype, 'setItem').mockImplementation (() => {
+      throw new DOMException ('quota')
+    })
+
+    expect (savePostImportSourceDraft ('source', onError)).toBe (false)
+    expect (onError).toHaveBeenCalledWith ('ブラウザへ保存できませんでした．')
+  })
+})