Add unit test.

1 files changed, 7 insertions, 0 deletions

diff --git a/Timeline/ClientApp/src/app/test-utilities/mock.ts b/Timeline/ClientApp/src/app/test-utilities/mock.ts
new file mode 100644
index 00000000..c3e368f0
--- /dev/null
+++ b/Timeline/ClientApp/src/app/test-utilities/mock.ts
@@ -0,0 +1,7 @@
+export type Mock<T> = {
+  [P in keyof T]: T[P] extends Function ? T[P] : T[P] | Mock<T[P]>;
+};
+
+export type PartialMock<T> = {
+  [P in keyof T]?: T[P] extends Function ? T[P] : T[P] | PartialMock<T[P]> | Mock<T[P]>;
+};