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test(retry): add tests for third-party block provider guard (#3772)

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Verify claude-code fallback only fires for anthropic provider and
does not reroute non-anthropic providers on similar error text.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Jeremy 2026-04-08 07:52:58 -05:00
parent 3ea46099d0
commit cf6ea332b7
1 changed files with 47 additions and 0 deletions
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47
packages/pi-coding-agent/src/core/retry-handler.test.ts
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@ -293,6 +293,53 @@ describe("RetryHandler — long-context entitlement 429 (#2803)", () => {
});
});
describe("third-party block claude-code fallback (#3772)", () => {
it("switches to claude-code provider when current provider is anthropic", async () => {
const ccModel = createMockModel("claude-code", "claude-opus-4-6");
const { deps, emittedEvents, onModelChangeFn } = createMockDeps({
model: createMockModel("anthropic", "claude-opus-4-6"),
findModelResult: (provider: string, modelId: string) => {
if (provider === "claude-code" && modelId === "claude-opus-4-6") return ccModel;
return undefined;
},
});
deps.isClaudeCodeReady = () => true;
const handler = new RetryHandler(deps);
const msg = errorMessage("third-party apps cannot draw from extra usage");
const result = await handler.handleRetryableError(msg);
assert.equal(result, true, "should retry via claude-code fallback");
const switchEvent = emittedEvents.find((e) => e.type === "fallback_provider_switch");
assert.ok(switchEvent, "Expected fallback_provider_switch event");
assert.ok(switchEvent!.to.startsWith("claude-code/"), "Should switch to claude-code provider");
});
it("does NOT switch to claude-code when current provider is not anthropic", async () => {
const ccModel = createMockModel("claude-code", "gpt-4o");
const { deps, emittedEvents } = createMockDeps({
model: createMockModel("openai", "gpt-4o"),
findModelResult: (provider: string, modelId: string) => {
if (provider === "claude-code" && modelId === "gpt-4o") return ccModel;
return undefined;
},
});
deps.isClaudeCodeReady = () => true;
const handler = new RetryHandler(deps);
const msg = errorMessage("third-party apps are not supported for this plan");
const result = await handler.handleRetryableError(msg);
// Should NOT have triggered the claude-code fallback
const switchEvent = emittedEvents.find(
(e) => e.type === "fallback_provider_switch" && e.to?.startsWith("claude-code/"),
);
assert.equal(switchEvent, undefined, "Should NOT switch non-anthropic provider to claude-code");
});
});
describe("quota_exhausted credential backoff (#3430)", () => {
it("does NOT call markUsageLimitReached for quota_exhausted errors", async () => {
// "Extra usage is required" is an account-level billing gate.