fixed paging with NaN page numbers

scm-ui/src/repos/containers/Changesets.test.js

@@ -0,0 +1,26 @@
+import { getPageFromMatch } from "./Changesets";
+
+describe("tests for getPageFromMatch", () => {
+  function createMatch(page: string) {
+    return {
+      params: {
+        page
+      }
+    };
+  }
+
+  it("should return 1 for NaN", () => {
+    const match = createMatch("any");
+    expect(getPageFromMatch(match)).toBe(1);
+  });
+
+  it("should return 1 for 0", () => {
+    const match = createMatch("0");
+    expect(getPageFromMatch(match)).toBe(1);
+  });
+
+  it("should return the given number", () => {
+    const match = createMatch("42");
+    expect(getPageFromMatch(match)).toBe(42);
+  });
+});