test: integration coverage, mock client, 80% thresholds#34
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- Add @vitest/coverage-v8 with global 80% statement/branch/function/line thresholds (vite.config.ts) and a `pnpm test:coverage` script. - Introduce src/test-utils/MockChatApiClient: typed FIFO mock for ChatApiClient with mockReply/mockError/mockTimeout/mockNetworkError/ mockPending helpers and call-history inspection. - Add src/__tests__/chatFlow.integration.test.tsx covering the full chat flow against the real ChatWidget: open → typing indicator → assistant reply, sources rendering, network-error → inline Retry → recovery, non-recoverable validation error hides Retry, and sessionStorage persistence across remounts. - Fill coverage gaps: theme=auto matchMedia subscription and the full translation-routing matrix in useChat (TIMEOUT, NETWORK_ERROR, both RATE_LIMITED paths, unknown codes). Aggregate coverage now 94.71% / 87.42% / 97.70% / 97.49% (stmts / branches / functions / lines), 184 tests passing. Closes #14 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Closes #14
Summary
@vitest/coverage-v8with a global 80% threshold across statements/branches/functions/lines and a newpnpm test:coveragescript.MockChatApiClient(src/test-utils/MockChatApiClient.ts) with FIFOmockReply/mockError/mockTimeout/mockNetworkError/mockPendinghelpers and call-history inspection. Self-tested insrc/test-utils/__tests__/.src/__tests__/chatFlow.integration.test.tsxexercising the full flow against the realChatWidget: open → typing indicator → assistant reply, sources rendering, network-error → inline Retry → recovery, non-recoverable validation error hides Retry, and sessionStorage persistence across remounts.theme="auto"matchMedia subscription and the full translation-routing matrix inuseChat(TIMEOUT, NETWORK_ERROR, both RATE_LIMITED paths, unknown-code fallback).Coverage
184 tests passing (was 167).
Test plan
pnpm test:coverage— 184/184 pass, all four thresholds satisfiedpnpm exec tsc --noEmitcleancoverage/html report renders the same numbers as the CLI table🤖 Generated with Claude Code