1 files changed, 77 insertions, 0 deletions
diff --git a/src/features/workspaces/logic/route.test.ts b/src/features/workspaces/logic/route.test.ts
new file mode 100644
index 0000000..96e0ff3
--- /dev/null
+++ b/src/features/workspaces/logic/route.test.ts
@@ -0,0 +1,77 @@
+import { describe, expect, it } from "vitest";
+import {
+  DEFAULT_WORKSPACE_ID,
+  isValidSlug,
+  parsePath,
+  WORKSPACE_SLUG_RE,
+  workspacePath,
+} from "./route";
+
+describe("parsePath", () => {
+  it("treats the root path as home", () => {
+    expect(parsePath("/")).toEqual({ kind: "home" });
+    expect(parsePath("")).toEqual({ kind: "home" });
+  });
+
+  it("trims surrounding slashes", () => {
+    expect(parsePath("//")).toEqual({ kind: "home" });
+    expect(parsePath("/my-ws/")).toEqual({ kind: "workspace", id: "my-ws" });
+  });
+
+  it("parses a single segment as a workspace id", () => {
+    expect(parsePath("/default")).toEqual({ kind: "workspace", id: "default" });
+    expect(parsePath("/my-workspace")).toEqual({ kind: "workspace", id: "my-workspace" });
+    expect(parsePath("/ws1")).toEqual({ kind: "workspace", id: "ws1" });
+  });
+
+  it("takes only the first segment of a deeper path", () => {
+    expect(parsePath("/foo/bar")).toEqual({ kind: "workspace", id: "foo" });
+    expect(parsePath("/foo/bar/baz")).toEqual({ kind: "workspace", id: "foo" });
+  });
+
+  it("URL-decodes the segment", () => {
+    expect(parsePath("/my%20ws")).toEqual({ kind: "workspace", id: "my ws" });
+  });
+
+  it("does not validate the slug — an invalid id is still a workspace route", () => {
+    expect(parsePath("/UPPER")).toEqual({ kind: "workspace", id: "UPPER" });
+    expect(parsePath("/has space")).toEqual({ kind: "workspace", id: "has space" });
+  });
+});
+
+describe("isValidSlug", () => {
+  it("accepts lowercase alphanumeric + internal hyphens", () => {
+    expect(isValidSlug("default")).toBe(true);
+    expect(isValidSlug("my-workspace")).toBe(true);
+    expect(isValidSlug("a")).toBe(true);
+    expect(isValidSlug("ws-1")).toBe(true);
+  });
+
+  it("accepts up to 40 chars", () => {
+    expect(isValidSlug("a".repeat(40))).toBe(true);
+  });
+
+  it("rejects empty and too-long", () => {
+    expect(isValidSlug("")).toBe(false);
+    expect(isValidSlug("a".repeat(41))).toBe(false);
+  });
+
+  it("rejects uppercase, spaces, and leading/trailing hyphens", () => {
+    expect(isValidSlug("MyWS")).toBe(false);
+    expect(isValidSlug("has space")).toBe(false);
+    expect(isValidSlug("-leading")).toBe(false);
+    expect(isValidSlug("trailing-")).toBe(false);
+    expect(isValidSlug("double--hyphen")).toBe(true); // internal doubles are allowed by the regex
+  });
+
+  it("WORKSPACE_SLUG_RE matches the default id", () => {
+    expect(WORKSPACE_SLUG_RE.test(DEFAULT_WORKSPACE_ID)).toBe(true);
+  });
+});
+
+describe("workspacePath", () => {
+  it("builds the URL path for a workspace id", () => {
+    expect(workspacePath("default")).toBe("/default");
+    expect(workspacePath("my-ws")).toBe("/my-ws");
+  });
+});