first

tests/auth.test.ts

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+import { describe, expect, it, vi } from "vitest";
+import { SessionManager } from "../src/auth/SessionManager";
+import { SapB1Config } from "../src/config";
+
+const config: SapB1Config = {
+  baseUrl: "https://sap.example.local:50000",
+  companyDB: "SBODEMOUS",
+  username: "manager",
+  password: "secret",
+  timeout: 30_000,
+  rejectUnauthorized: true,
+  retryCount: 2,
+  retryDelayMs: 0
+};
+
+describe("SessionManager", () => {
+  it("logs in and stores B1SESSION and ROUTEID cookies", async () => {
+    const http = {
+      post: vi.fn().mockResolvedValue({
+        data: { SessionId: "fallback", SessionTimeout: 30 },
+        headers: {
+          "set-cookie": ["B1SESSION=abc123; Path=/b1s/v1", "ROUTEID=.node1; Path=/b1s/v1"]
+        }
+      })
+    };
+
+    const sessionManager = new SessionManager(http as never, config);
+    const session = await sessionManager.getSession();
+
+    expect(http.post).toHaveBeenCalledWith(
+      "/Login",
+      {
+        CompanyDB: "SBODEMOUS",
+        UserName: "manager",
+        Password: "secret",
+        Language: undefined
+      },
+      { skipAuth: true }
+    );
+    expect(session.b1session).toBe("abc123");
+    expect(session.routeId).toBe(".node1");
+    expect(sessionManager.buildCookieHeader(session)).toBe("B1SESSION=abc123; ROUTEID=.node1");
+  });
+
+  it("logs out and clears the current session", async () => {
+    const http = {
+      post: vi
+        .fn()
+        .mockResolvedValueOnce({
+          data: { SessionId: "abc123" },
+          headers: {}
+        })
+        .mockResolvedValueOnce({ data: {}, headers: {} })
+    };
+
+    const sessionManager = new SessionManager(http as never, config);
+    await sessionManager.getSession();
+    await sessionManager.logout();
+
+    expect(http.post).toHaveBeenLastCalledWith("/Logout", undefined, { skipAuth: false });
+    expect(sessionManager.currentSession).toBeUndefined();
+  });
+});

tests/client.test.ts

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+import axios, { AxiosAdapter, AxiosResponse } from "axios";
+import { describe, expect, it } from "vitest";
+import { SapB1Client } from "../src/client/SapB1Client";
+import { SapB1Config } from "../src/config";
+
+const config: SapB1Config = {
+  baseUrl: "https://sap.example.local:50000",
+  companyDB: "SBODEMOUS",
+  username: "manager",
+  password: "secret",
+  timeout: 30_000,
+  rejectUnauthorized: true,
+  retryCount: 1,
+  retryDelayMs: 0
+};
+
+function response(data: unknown, requestConfig: Parameters<AxiosAdapter>[0], status = 200): AxiosResponse {
+  return {
+    data,
+    status,
+    statusText: "OK",
+    headers: {},
+    config: requestConfig
+  };
+}
+
+describe("SapB1Client", () => {
+  it("adds session cookies to resource requests", async () => {
+    const urls: string[] = [];
+    const cookies: unknown[] = [];
+    const http = axios.create({
+      adapter: async (requestConfig) => {
+        urls.push(String(requestConfig.url));
+        cookies.push(requestConfig.headers?.Cookie);
+
+        if (requestConfig.url === "/Login") {
+          return {
+            ...response({ SessionId: "abc123", SessionTimeout: 30 }, requestConfig),
+            headers: { "set-cookie": ["B1SESSION=abc123; Path=/b1s/v1", "ROUTEID=.node1; Path=/b1s/v1"] }
+          };
+        }
+
+        return response({ value: [{ CardCode: "C001" }] }, requestConfig);
+      }
+    });
+
+    const client = new SapB1Client(config, { http });
+    const result = await client.get("BusinessPartners", { top: 1 });
+
+    expect(result).toEqual({ value: [{ CardCode: "C001" }] });
+    expect(urls).toEqual(["/Login", "BusinessPartners"]);
+    expect(cookies[1]).toBe("B1SESSION=abc123; ROUTEID=.node1");
+  });
+
+  it("re-logins once after a 401 response", async () => {
+    let resourceCalls = 0;
+    let loginCalls = 0;
+    const http = axios.create({
+      adapter: async (requestConfig) => {
+        if (requestConfig.url === "/Login") {
+          loginCalls += 1;
+          return {
+            ...response({ SessionId: `session-${loginCalls}`, SessionTimeout: 30 }, requestConfig),
+            headers: { "set-cookie": [`B1SESSION=session-${loginCalls}; Path=/b1s/v1`] }
+          };
+        }
+
+        resourceCalls += 1;
+
+        if (resourceCalls === 1) {
+          return Promise.reject({
+            isAxiosError: true,
+            message: "Unauthorized",
+            response: { status: 401, data: { error: { message: { value: "Session expired" } } } }
+          });
+        }
+
+        return response({ value: [] }, requestConfig);
+      }
+    });
+
+    const client = new SapB1Client(config, { http });
+    await expect(client.get("Items")).resolves.toEqual({ value: [] });
+    expect(loginCalls).toBe(2);
+    expect(resourceCalls).toBe(2);
+  });
+});

tests/odata.test.ts

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+import { describe, expect, it } from "vitest";
+import { buildODataParams, extractNextLink } from "../src/client/odata";
+
+describe("OData helpers", () => {
+  it("builds SAP Service Layer OData query parameters", () => {
+    expect(
+      buildODataParams({
+        select: ["CardCode", "CardName"],
+        filter: "CardType eq 'cCustomer'",
+        top: 25,
+        skip: 50,
+        orderby: ["CardName asc", "CardCode desc"]
+      })
+    ).toEqual({
+      $select: "CardCode,CardName",
+      $filter: "CardType eq 'cCustomer'",
+      $top: 25,
+      $skip: 50,
+      $orderby: "CardName asc,CardCode desc"
+    });
+  });
+
+  it("supports old and new nextLink field names", () => {
+    expect(extractNextLink({ "@odata.nextLink": "Items?$skip=20" })).toBe("Items?$skip=20");
+    expect(extractNextLink({ "odata.nextLink": "Items?$skip=40" })).toBe("Items?$skip=40");
+  });
+});

tests/resources.test.ts

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+import { describe, expect, it, vi } from "vitest";
+import { BusinessPartnersResource } from "../src/resources/BusinessPartners";
+import { OrdersResource } from "../src/resources/Documents";
+
+describe("resources", () => {
+  it("formats string keys for SAP Service Layer entity URLs", async () => {
+    const client = {
+      get: vi.fn().mockResolvedValue({ CardCode: "C'001" })
+    };
+    const resource = new BusinessPartnersResource(client as never);
+
+    await resource.get("C'001");
+
+    expect(client.get).toHaveBeenCalledWith("BusinessPartners('C''001')", undefined, expect.anything());
+  });
+
+  it("blocks delete for marketing documents by default", async () => {
+    const resource = new OrdersResource({} as never);
+
+    await expect(() => resource.delete(1)).toThrow("Orders does not support delete through this connector");
+  });
+});