1 files changed, 105 insertions, 0 deletions
diff --git a/packages/excalidraw/data/library.test.ts b/packages/excalidraw/data/library.test.ts
new file mode 100644
index 0000000..bbbfd5f
--- /dev/null
+++ b/packages/excalidraw/data/library.test.ts
@@ -0,0 +1,105 @@
+import { validateLibraryUrl } from "./library";
+
+describe("validateLibraryUrl", () => {
+  it("should validate hostname & pathname", () => {
+    // valid hostnames
+    // -------------------------------------------------------------------------
+    expect(
+      validateLibraryUrl("https://www.excalidraw.com", ["excalidraw.com"]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com", ["excalidraw.com"]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://library.excalidraw.com", ["excalidraw.com"]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://library.excalidraw.com", [
+        "library.excalidraw.com",
+      ]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com/", ["excalidraw.com/"]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com", ["excalidraw.com/"]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com/", ["excalidraw.com"]),
+    ).toBe(true);
+
+    // valid pathnames
+    // -------------------------------------------------------------------------
+    expect(
+      validateLibraryUrl("https://excalidraw.com/path", ["excalidraw.com"]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com/path/", ["excalidraw.com"]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com/specific/path", [
+        "excalidraw.com/specific/path",
+      ]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com/specific/path/", [
+        "excalidraw.com/specific/path",
+      ]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com/specific/path", [
+        "excalidraw.com/specific/path/",
+      ]),
+    ).toBe(true);
+    expect(
+      validateLibraryUrl("https://excalidraw.com/specific/path/other", [
+        "excalidraw.com/specific/path",
+      ]),
+    ).toBe(true);
+
+    // invalid hostnames
+    // -------------------------------------------------------------------------
+    expect(() =>
+      validateLibraryUrl("https://xexcalidraw.com", ["excalidraw.com"]),
+    ).toThrow();
+    expect(() =>
+      validateLibraryUrl("https://x-excalidraw.com", ["excalidraw.com"]),
+    ).toThrow();
+    expect(() =>
+      validateLibraryUrl("https://excalidraw.comx", ["excalidraw.com"]),
+    ).toThrow();
+    expect(() =>
+      validateLibraryUrl("https://excalidraw.comx", ["excalidraw.com"]),
+    ).toThrow();
+    expect(() =>
+      validateLibraryUrl("https://excalidraw.com.mx", ["excalidraw.com"]),
+    ).toThrow();
+    // protocol must be https
+    expect(() =>
+      validateLibraryUrl("http://excalidraw.com.mx", ["excalidraw.com"]),
+    ).toThrow();
+
+    // invalid pathnames
+    // -------------------------------------------------------------------------
+    expect(() =>
+      validateLibraryUrl("https://excalidraw.com/specific/other/path", [
+        "excalidraw.com/specific/path",
+      ]),
+    ).toThrow();
+    expect(() =>
+      validateLibraryUrl("https://excalidraw.com/specific/paths", [
+        "excalidraw.com/specific/path",
+      ]),
+    ).toThrow();
+    expect(() =>
+      validateLibraryUrl("https://excalidraw.com/specific/path-s", [
+        "excalidraw.com/specific/path",
+      ]),
+    ).toThrow();
+    expect(() =>
+      validateLibraryUrl("https://excalidraw.com/some/specific/path", [
+        "excalidraw.com/specific/path",
+      ]),
+    ).toThrow();
+  });
+});