From 8ff277d2a2b5e0240976a96646526e09c809392f Mon Sep 17 00:00:00 2001
From: Vincent Koc <vincentkoc@ieee.org>
Date: Sun, 22 Mar 2026 19:09:57 -0700
Subject: [PATCH] test(msteams): cover poll and file-card helpers

---
 extensions/msteams/src/graph-chat.test.ts     | 40 ++++++++++++
 .../msteams/src/polls-store-memory.test.ts    | 63 +++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 extensions/msteams/src/graph-chat.test.ts
 create mode 100644 extensions/msteams/src/polls-store-memory.test.ts

diff --git a/extensions/msteams/src/graph-chat.test.ts b/extensions/msteams/src/graph-chat.test.ts
new file mode 100644
index 00000000000..ba4c12ddd45
--- /dev/null
+++ b/extensions/msteams/src/graph-chat.test.ts
@@ -0,0 +1,40 @@
+import { describe, expect, it } from "vitest";
+import { buildTeamsFileInfoCard } from "./graph-chat.js";
+
+describe("buildTeamsFileInfoCard", () => {
+  it("extracts a unique id from quoted etags and lowercases file extensions", () => {
+    expect(
+      buildTeamsFileInfoCard({
+        eTag: '"{ABC-123},42"',
+        name: "Quarterly.Report.PDF",
+        webDavUrl: "https://sharepoint.example.com/file.pdf",
+      }),
+    ).toEqual({
+      contentType: "application/vnd.microsoft.teams.card.file.info",
+      contentUrl: "https://sharepoint.example.com/file.pdf",
+      name: "Quarterly.Report.PDF",
+      content: {
+        uniqueId: "ABC-123",
+        fileType: "pdf",
+      },
+    });
+  });
+
+  it("keeps the raw etag when no version suffix exists and handles extensionless files", () => {
+    expect(
+      buildTeamsFileInfoCard({
+        eTag: "plain-etag",
+        name: "README",
+        webDavUrl: "https://sharepoint.example.com/readme",
+      }),
+    ).toEqual({
+      contentType: "application/vnd.microsoft.teams.card.file.info",
+      contentUrl: "https://sharepoint.example.com/readme",
+      name: "README",
+      content: {
+        uniqueId: "plain-etag",
+        fileType: "",
+      },
+    });
+  });
+});
diff --git a/extensions/msteams/src/polls-store-memory.test.ts b/extensions/msteams/src/polls-store-memory.test.ts
new file mode 100644
index 00000000000..147956fd51f
--- /dev/null
+++ b/extensions/msteams/src/polls-store-memory.test.ts
@@ -0,0 +1,63 @@
+import { describe, expect, it } from "vitest";
+import { createMSTeamsPollStoreMemory } from "./polls-store-memory.js";
+
+describe("createMSTeamsPollStoreMemory", () => {
+  it("creates polls, reads them back, and records normalized votes", async () => {
+    const store = createMSTeamsPollStoreMemory([
+      {
+        id: "poll-1",
+        question: "Pick one",
+        options: ["A", "B"],
+        maxSelections: 1,
+        votes: {},
+        createdAt: "2026-03-22T00:00:00.000Z",
+        updatedAt: "2026-03-22T00:00:00.000Z",
+      },
+    ]);
+
+    await expect(store.getPoll("poll-1")).resolves.toEqual(
+      expect.objectContaining({
+        id: "poll-1",
+        question: "Pick one",
+      }),
+    );
+
+    const originalUpdatedAt = "2026-03-22T00:00:00.000Z";
+    await store.getPoll("poll-1");
+    const result = await store.recordVote({
+      pollId: "poll-1",
+      voterId: "user-1",
+      selections: ["1", "0", "missing"],
+    });
+
+    expect(result?.votes["user-1"]).toEqual(["1"]);
+    expect(result?.updatedAt).not.toBe(originalUpdatedAt);
+
+    await store.createPoll({
+      id: "poll-2",
+      question: "Pick many",
+      options: ["X", "Y"],
+      maxSelections: 2,
+      votes: {},
+      createdAt: "2026-03-22T00:00:00.000Z",
+      updatedAt: "2026-03-22T00:00:00.000Z",
+    });
+
+    await expect(
+      store.recordVote({
+        pollId: "poll-2",
+        voterId: "user-2",
+        selections: ["1", "0", "1"],
+      }),
+    ).resolves.toEqual(
+      expect.objectContaining({
+        id: "poll-2",
+        votes: {
+          "user-2": ["1", "0"],
+        },
+      }),
+    );
+
+    await expect(store.recordVote({ pollId: "missing", voterId: "nobody", selections: ["x"] })).resolves.toBeNull();
+  });
+});