feat!: move msteams to plugin

extensions/msteams/src/errors.test.ts

@@ -0,0 +1,46 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  classifyMSTeamsSendError,
+  formatMSTeamsSendErrorHint,
+  formatUnknownError,
+} from "./errors.js";
+
+describe("msteams errors", () => {
+  it("formats unknown errors", () => {
+    expect(formatUnknownError("oops")).toBe("oops");
+    expect(formatUnknownError(null)).toBe("null");
+  });
+
+  it("classifies auth errors", () => {
+    expect(classifyMSTeamsSendError({ statusCode: 401 }).kind).toBe("auth");
+    expect(classifyMSTeamsSendError({ statusCode: 403 }).kind).toBe("auth");
+  });
+
+  it("classifies throttling errors and parses retry-after", () => {
+    expect(classifyMSTeamsSendError({ statusCode: 429, retryAfter: "1.5" })).toMatchObject({
+      kind: "throttled",
+      statusCode: 429,
+      retryAfterMs: 1500,
+    });
+  });
+
+  it("classifies transient errors", () => {
+    expect(classifyMSTeamsSendError({ statusCode: 503 })).toMatchObject({
+      kind: "transient",
+      statusCode: 503,
+    });
+  });
+
+  it("classifies permanent 4xx errors", () => {
+    expect(classifyMSTeamsSendError({ statusCode: 400 })).toMatchObject({
+      kind: "permanent",
+      statusCode: 400,
+    });
+  });
+
+  it("provides actionable hints for common cases", () => {
+    expect(formatMSTeamsSendErrorHint({ kind: "auth" })).toContain("msteams");
+    expect(formatMSTeamsSendErrorHint({ kind: "throttled" })).toContain("throttled");
+  });
+});