fix(ui): harden issue breadcrumb source routing

Co-Authored-By: Paperclip <noreply@paperclip.ing>
2026-03-27 08:02:26 -05:00
parent 0f9faa297b
commit 3986eb615c
6 changed files with 101 additions and 15 deletions
@@ -0,0 +1,34 @@
+import { describe, expect, it } from "vitest";
+import {
+  createIssueDetailLocationState,
+  createIssueDetailPath,
+  readIssueDetailBreadcrumb,
+} from "./issueDetailBreadcrumb";
+
+describe("issueDetailBreadcrumb", () => {
+  it("prefers the full breadcrumb from route state", () => {
+    const state = createIssueDetailLocationState("Inbox", "/inbox/mine", "inbox");
+
+    expect(readIssueDetailBreadcrumb(state, "?from=issues")).toEqual({
+      label: "Inbox",
+      href: "/inbox/mine",
+    });
+  });
+
+  it("falls back to the source query param when route state is unavailable", () => {
+    expect(readIssueDetailBreadcrumb(null, "?from=inbox")).toEqual({
+      label: "Inbox",
+      href: "/inbox",
+    });
+  });
+
+  it("adds the source query param when building an issue detail path", () => {
+    const state = createIssueDetailLocationState("Inbox", "/inbox/mine", "inbox");
+
+    expect(createIssueDetailPath("PAP-465", state)).toBe("/issues/PAP-465?from=inbox");
+  });
+
+  it("reuses the current source query param when state has been dropped", () => {
+    expect(createIssueDetailPath("PAP-465", null, "?from=issues")).toBe("/issues/PAP-465?from=issues");
+  });
+});