feat(fetch): add Ollama Cloud web fetch provider

tests/unit/ollama-web-fetch-provider.test.js

@@ -0,0 +1,112 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+
+import REGISTRY from "../../open-sse/providers/registry/index.js";
+import { handleFetchCore } from "../../open-sse/handlers/fetch/index.js";
+import { AI_PROVIDERS, getProvidersByKind } from "@/shared/constants/providers.js";
+
+const CONFIG = {
+  baseUrl: "https://ollama.com/api/web_fetch",
+  timeoutMs: 30000,
+};
+
+afterEach(() => {
+  vi.unstubAllGlobals();
+});
+
+describe("Ollama Cloud web fetch provider", () => {
+  it("registers web fetch on the existing Ollama Cloud connection", () => {
+    const entry = REGISTRY.find((candidate) => candidate.id === "ollama");
+
+    expect(entry).toMatchObject({
+      category: "freeTier",
+      serviceKinds: ["llm", "webFetch"],
+      fetchConfig: {
+        baseUrl: "https://ollama.com/api/web_fetch",
+        method: "POST",
+        authHeader: "bearer",
+        formats: ["markdown"],
+      },
+    });
+    expect(AI_PROVIDERS.ollama?.fetchConfig).toEqual(entry.fetchConfig);
+    expect(getProvidersByKind("webFetch").map((provider) => provider.id)).toContain("ollama");
+  });
+
+  it("calls Ollama with bearer auth and normalizes the response", async () => {
+    vi.stubGlobal("fetch", vi.fn(async () => new Response(JSON.stringify({
+      title: "Example Domain",
+      content: "Hello from Ollama",
+      links: ["https://www.iana.org/domains/example"],
+    }), {
+      status: 200,
+      headers: { "Content-Type": "application/json" },
+    })));
+
+    const result = await handleFetchCore({
+      url: "https://example.com",
+      format: "markdown",
+      maxCharacters: 5,
+      provider: "ollama",
+      providerConfig: CONFIG,
+      credentials: { apiKey: "ollama-test-key" },
+    });
+
+    expect(result.success).toBe(true);
+    expect(global.fetch).toHaveBeenCalledTimes(1);
+    const [requestUrl, init] = global.fetch.mock.calls[0];
+    expect(requestUrl).toBe("https://ollama.com/api/web_fetch");
+    expect(init.method).toBe("POST");
+    expect(init.headers).toEqual({
+      "content-type": "application/json",
+      authorization: "Bearer ollama-test-key",
+    });
+    expect(JSON.parse(init.body)).toEqual({ url: "https://example.com" });
+    expect(result.data).toMatchObject({
+      provider: "ollama",
+      url: "https://example.com",
+      title: "Example Domain",
+      content: { format: "markdown", text: "Hello", length: 5 },
+      links: ["https://www.iana.org/domains/example"],
+      usage: { fetch_cost_usd: null },
+    });
+  });
+
+  it("returns the upstream status and error message", async () => {
+    vi.stubGlobal("fetch", vi.fn(async () => new Response(
+      JSON.stringify({ error: "invalid API key" }),
+      { status: 401, headers: { "Content-Type": "application/json" } },
+    )));
+
+    const result = await handleFetchCore({
+      url: "https://example.com",
+      provider: "ollama",
+      providerConfig: CONFIG,
+      credentials: { apiKey: "bad-key" },
+    });
+
+    expect(result).toMatchObject({
+      success: false,
+      status: 401,
+      error: "invalid API key",
+    });
+  });
+
+  it("treats an empty successful response as an upstream error", async () => {
+    vi.stubGlobal("fetch", vi.fn(async () => new Response(null, {
+      status: 200,
+      headers: { "Content-Type": "application/json" },
+    })));
+
+    const result = await handleFetchCore({
+      url: "https://example.com",
+      provider: "ollama",
+      providerConfig: CONFIG,
+      credentials: { apiKey: "ollama-test-key" },
+    });
+
+    expect(result).toEqual({
+      success: false,
+      status: 502,
+      error: "Ollama returned an empty or invalid web fetch response",
+    });
+  });
+});