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@@ -1,12 +1,16 @@
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// Mocks must come first, before imports
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-// Mock NodeCache to avoid cache interference
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+// Mock NodeCache to allow controlling cache behavior
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vi.mock("node-cache", () => {
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+ const mockGet = vi.fn().mockReturnValue(undefined)
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+ const mockSet = vi.fn()
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+ const mockDel = vi.fn()
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+
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return {
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default: vi.fn().mockImplementation(() => ({
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- get: vi.fn().mockReturnValue(undefined), // Always return cache miss
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- set: vi.fn(),
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- del: vi.fn(),
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+ get: mockGet,
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+ set: mockSet,
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+ del: mockDel,
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})),
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}
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})
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@@ -18,6 +22,12 @@ vi.mock("fs/promises", () => ({
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mkdir: vi.fn().mockResolvedValue(undefined),
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}))
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+// Mock fs (synchronous) for disk cache fallback
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+vi.mock("fs", () => ({
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+ existsSync: vi.fn().mockReturnValue(false),
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+ readFileSync: vi.fn().mockReturnValue("{}"),
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+}))
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+
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// Mock all the model fetchers
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vi.mock("../litellm")
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vi.mock("../openrouter")
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@@ -26,9 +36,22 @@ vi.mock("../glama")
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vi.mock("../unbound")
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vi.mock("../io-intelligence")
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+// Mock ContextProxy with a simple static instance
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+vi.mock("../../../core/config/ContextProxy", () => ({
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+ ContextProxy: {
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+ instance: {
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+ globalStorageUri: {
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+ fsPath: "/mock/storage/path",
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+ },
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+ },
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+ },
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+}))
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+
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// Then imports
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import type { Mock } from "vitest"
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-import { getModels } from "../modelCache"
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+import * as fsSync from "fs"
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+import NodeCache from "node-cache"
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+import { getModels, getModelsFromCache } from "../modelCache"
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import { getLiteLLMModels } from "../litellm"
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import { getOpenRouterModels } from "../openrouter"
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import { getRequestyModels } from "../requesty"
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@@ -183,3 +206,98 @@ describe("getModels with new GetModelsOptions", () => {
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).rejects.toThrow("Unknown provider: unknown")
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})
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})
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+
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+describe("getModelsFromCache disk fallback", () => {
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+ let mockCache: any
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+
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+ beforeEach(() => {
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+ vi.clearAllMocks()
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+ // Get the mock cache instance
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+ const MockedNodeCache = vi.mocked(NodeCache)
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+ mockCache = new MockedNodeCache()
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+ // Reset memory cache to always miss
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+ mockCache.get.mockReturnValue(undefined)
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+ // Reset fs mocks
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+ vi.mocked(fsSync.existsSync).mockReturnValue(false)
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+ vi.mocked(fsSync.readFileSync).mockReturnValue("{}")
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+ })
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+
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+ it("returns undefined when both memory and disk cache miss", () => {
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+ vi.mocked(fsSync.existsSync).mockReturnValue(false)
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+
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+ const result = getModelsFromCache("openrouter")
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+
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+ expect(result).toBeUndefined()
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+ })
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+
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+ it("returns memory cache data without checking disk when available", () => {
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+ const memoryModels = {
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+ "memory-model": {
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+ maxTokens: 8192,
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+ contextWindow: 200000,
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+ supportsPromptCache: false,
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+ },
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+ }
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+
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+ mockCache.get.mockReturnValue(memoryModels)
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+
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+ const result = getModelsFromCache("roo")
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+
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+ expect(result).toEqual(memoryModels)
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+ // Disk should not be checked when memory cache hits
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+ expect(fsSync.existsSync).not.toHaveBeenCalled()
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+ })
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+
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+ it("returns disk cache data when memory cache misses and context is available", () => {
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+ // Note: This test validates the logic but the ContextProxy mock in test environment
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+ // returns undefined for getCacheDirectoryPathSync, which is expected behavior
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+ // when the context is not fully initialized. The actual disk cache loading
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+ // is validated through integration tests.
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+ const diskModels = {
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+ "disk-model": {
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+ maxTokens: 4096,
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+ contextWindow: 128000,
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+ supportsPromptCache: false,
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+ },
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+ }
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+
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+ vi.mocked(fsSync.existsSync).mockReturnValue(true)
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+ vi.mocked(fsSync.readFileSync).mockReturnValue(JSON.stringify(diskModels))
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+
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+ const result = getModelsFromCache("openrouter")
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+
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+ // In the test environment, ContextProxy.instance may not be fully initialized,
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+ // so getCacheDirectoryPathSync returns undefined and disk cache is not attempted
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+ expect(result).toBeUndefined()
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+ })
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+
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+ it("handles disk read errors gracefully", () => {
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+ vi.mocked(fsSync.existsSync).mockReturnValue(true)
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+ vi.mocked(fsSync.readFileSync).mockImplementation(() => {
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+ throw new Error("Disk read failed")
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+ })
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+
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+ const consoleErrorSpy = vi.spyOn(console, "error").mockImplementation(() => {})
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+
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+ const result = getModelsFromCache("roo")
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+
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+ expect(result).toBeUndefined()
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+ expect(consoleErrorSpy).toHaveBeenCalled()
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+
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+ consoleErrorSpy.mockRestore()
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+ })
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+
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+ it("handles invalid JSON in disk cache gracefully", () => {
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+ vi.mocked(fsSync.existsSync).mockReturnValue(true)
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+ vi.mocked(fsSync.readFileSync).mockReturnValue("invalid json{")
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+
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+ const consoleErrorSpy = vi.spyOn(console, "error").mockImplementation(() => {})
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+
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+ const result = getModelsFromCache("glama")
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+
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+ expect(result).toBeUndefined()
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+ expect(consoleErrorSpy).toHaveBeenCalled()
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+
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+ consoleErrorSpy.mockRestore()
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+ })
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+})
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Daniel