108 lines
3.0 KiB
TypeScript
108 lines
3.0 KiB
TypeScript
import { describe, it, expect, vi, beforeEach } from "vitest";
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import { evaluateOracleSanity } from "../../../src/guards/oracleSanity.js";
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import { PriceOracle } from "../../../src/pricing/index.js";
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import { Guard } from "../../../src/strategy.schema.js";
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describe("Oracle Sanity Guard", () => {
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let mockOracle: PriceOracle;
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let mockProvider: any;
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beforeEach(() => {
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mockProvider = {
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getNetwork: vi.fn().mockResolvedValue({ chainId: 1n }),
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call: vi.fn(),
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};
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mockOracle = new PriceOracle("mainnet");
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// @ts-ignore - access private property for testing
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mockOracle.provider = mockProvider;
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});
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it("should pass when price is within bounds", async () => {
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const guard: Guard = {
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type: "oracleSanity",
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params: {
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token: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
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maxDeviationBps: 500, // 5%
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},
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};
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// Mock price fetch
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vi.spyOn(mockOracle, "getPrice").mockResolvedValue({
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name: "chainlink",
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price: 1000000n, // $1.00
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decimals: 8,
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timestamp: Date.now(),
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});
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const result = await evaluateOracleSanity(guard, mockOracle, {});
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expect(result.passed).toBe(true);
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});
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it("should fail when price deviation is too high", async () => {
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const guard: Guard = {
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type: "oracleSanity",
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params: {
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token: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
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maxDeviationBps: 100, // 1%
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expectedPrice: "1000000", // $1.00
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},
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};
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// Mock price that's 2% off
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vi.spyOn(mockOracle, "getPrice").mockResolvedValue({
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name: "chainlink",
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price: 1020000n, // $1.02 (2% deviation)
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decimals: 8,
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timestamp: Date.now(),
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});
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const result = await evaluateOracleSanity(guard, mockOracle, {});
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expect(result.passed).toBe(false);
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expect(result.reason).toContain("deviation");
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});
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it("should handle missing oracle gracefully", async () => {
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const guard: Guard = {
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type: "oracleSanity",
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params: {
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token: "0xInvalid",
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maxDeviationBps: 500,
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},
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};
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vi.spyOn(mockOracle, "getPrice").mockRejectedValue(
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new Error("Oracle not found")
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);
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const result = await evaluateOracleSanity(guard, mockOracle, {});
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expect(result.passed).toBe(false);
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expect(result.reason).toBeDefined();
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});
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it("should check for stale price data", async () => {
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const guard: Guard = {
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type: "oracleSanity",
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params: {
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token: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
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maxDeviationBps: 500,
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maxAgeSeconds: 3600, // 1 hour
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},
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};
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// Mock stale price (2 hours old)
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const staleTimestamp = Date.now() - 2 * 60 * 60 * 1000;
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vi.spyOn(mockOracle, "getPrice").mockResolvedValue({
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name: "chainlink",
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price: 1000000n,
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decimals: 8,
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timestamp: staleTimestamp,
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});
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const result = await evaluateOracleSanity(guard, mockOracle, {});
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expect(result.passed).toBe(false);
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expect(result.reason).toContain("stale");
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});
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});
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