Fix dashboard trend test expectations

frontend/src/utils/dashboard.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it, vi } from 'vitest'
 import type { Block } from '@/services/api/blocks'
-import type { ExplorerStats } from '@/services/api/stats'
+import type { ExplorerStats, ExplorerTransactionTrendPoint } from '@/services/api/stats'
 import { loadDashboardData } from './dashboard'
 
 const sampleStats: ExplorerStats = {
@@ -23,6 +23,17 @@ const sampleBlocks: Block[] = [
   },
 ]
 
+const sampleTrend: ExplorerTransactionTrendPoint[] = [
+  {
+    date: '2026-04-03',
+    count: 11,
+  },
+  {
+    date: '2026-04-04',
+    count: 17,
+  },
+]
+
 describe('loadDashboardData', () => {
   it('returns both stats and recent blocks when both loaders succeed', async () => {
     const result = await loadDashboardData({
@@ -33,6 +44,7 @@ describe('loadDashboardData', () => {
     expect(result).toEqual({
       stats: sampleStats,
       recentBlocks: sampleBlocks,
+      recentTransactionTrend: [],
     })
   })
 
@@ -50,6 +62,7 @@ describe('loadDashboardData', () => {
     expect(result).toEqual({
       stats: null,
       recentBlocks: sampleBlocks,
+      recentTransactionTrend: [],
     })
     expect(onError).toHaveBeenCalledTimes(1)
     expect(onError).toHaveBeenCalledWith('stats', expect.any(Error))
@@ -69,8 +82,44 @@ describe('loadDashboardData', () => {
     expect(result).toEqual({
       stats: sampleStats,
       recentBlocks: [],
+      recentTransactionTrend: [],
     })
     expect(onError).toHaveBeenCalledTimes(1)
     expect(onError).toHaveBeenCalledWith('blocks', expect.any(Error))
   })
+
+  it('returns the recent transaction trend when the optional loader succeeds', async () => {
+    const result = await loadDashboardData({
+      loadStats: async () => sampleStats,
+      loadRecentBlocks: async () => sampleBlocks,
+      loadRecentTransactionTrend: async () => sampleTrend,
+    })
+
+    expect(result).toEqual({
+      stats: sampleStats,
+      recentBlocks: sampleBlocks,
+      recentTransactionTrend: sampleTrend,
+    })
+  })
+
+  it('falls back to an empty recent transaction trend when the optional loader fails', async () => {
+    const onError = vi.fn()
+
+    const result = await loadDashboardData({
+      loadStats: async () => sampleStats,
+      loadRecentBlocks: async () => sampleBlocks,
+      loadRecentTransactionTrend: async () => {
+        throw new Error('trend unavailable')
+      },
+      onError,
+    })
+
+    expect(result).toEqual({
+      stats: sampleStats,
+      recentBlocks: sampleBlocks,
+      recentTransactionTrend: [],
+    })
+    expect(onError).toHaveBeenCalledTimes(1)
+    expect(onError).toHaveBeenCalledWith('trend', expect.any(Error))
+  })
 })