New stats page, scoreboard, and live scores pages.

test/javascript/match_state/transport.test.js

@@ -0,0 +1,56 @@
+import { describe, expect, it, vi } from "vitest"
+import {
+  loadJson,
+  performIfChanged,
+  removeKey,
+  saveJson
+} from "match-state-transport"
+
+describe("match state transport", () => {
+  it("loads saved json from storage", () => {
+    const storage = {
+      getItem: vi.fn(() => '{"score":3}')
+    }
+
+    expect(loadJson(storage, "match-state:1:1001")).toEqual({ score: 3 })
+    expect(storage.getItem).toHaveBeenCalledWith("match-state:1:1001")
+  })
+
+  it("returns null when stored json is invalid", () => {
+    const storage = {
+      getItem: vi.fn(() => "{not-json")
+    }
+
+    expect(loadJson(storage, "bad")).toBe(null)
+  })
+
+  it("saves and removes json values in storage", () => {
+    const storage = {
+      setItem: vi.fn(),
+      removeItem: vi.fn()
+    }
+
+    expect(saveJson(storage, "key", { score: 5 })).toBe(true)
+    expect(storage.setItem).toHaveBeenCalledWith("key", '{"score":5}')
+
+    expect(removeKey(storage, "key")).toBe(true)
+    expect(storage.removeItem).toHaveBeenCalledWith("key")
+  })
+
+  it("only performs subscription actions when the payload changes", () => {
+    const subscription = {
+      perform: vi.fn()
+    }
+
+    const firstSerialized = performIfChanged(subscription, "send_stat", { new_w1_stat: "T3" }, null)
+    const secondSerialized = performIfChanged(subscription, "send_stat", { new_w1_stat: "T3" }, firstSerialized)
+    const thirdSerialized = performIfChanged(subscription, "send_stat", { new_w1_stat: "T3 E1" }, secondSerialized)
+
+    expect(subscription.perform).toHaveBeenCalledTimes(2)
+    expect(subscription.perform).toHaveBeenNthCalledWith(1, "send_stat", { new_w1_stat: "T3" })
+    expect(subscription.perform).toHaveBeenNthCalledWith(2, "send_stat", { new_w1_stat: "T3 E1" })
+    expect(firstSerialized).toBe('{"new_w1_stat":"T3"}')
+    expect(secondSerialized).toBe(firstSerialized)
+    expect(thirdSerialized).toBe('{"new_w1_stat":"T3 E1"}')
+  })
+})