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test: clean up code and improve test coverage

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This commit is contained in:
Justineo
2025-11-25 13:48:29 +08:00
parent cfef3c97e0
commit 8d68e2b9c1
7 changed files with 146 additions and 29 deletions
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31
tests/wc.test.ts
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@@ -6,15 +6,11 @@ declare global {
}
}
type LoadOptions = { suffix?: string };
const loadModule = (() => {
let counter = 0;
return async (mode: "stub" | "native", options?: LoadOptions) => {
const suffix = options?.suffix ?? `${mode}-${++counter}`;
return import(/* @vite-ignore */ `../src/wc?${suffix}`);
};
})();
const loadModule = async () => {
const mod = await import("../src/wc");
mod.__resetRegisterState();
return mod;
};
describe("register", () => {
describe("with stubbed customElements", () => {
@@ -58,7 +54,7 @@ describe("register", () => {
undefined as unknown as CustomElementRegistry,
);
const { register } = await loadModule("stub");
const { register } = await loadModule();
expect(register()).toBe(false);
expect(register()).toBe(false);
@@ -71,7 +67,7 @@ describe("register", () => {
define() {},
} as unknown as CustomElementRegistry);
const { register } = await loadModule("stub", { suffix: "no-get" });
const { register } = await loadModule();
expect(register()).toBe(false);
expect(register()).toBe(false);
});
@@ -79,7 +75,7 @@ describe("register", () => {
it("registers the custom element once", async () => {
const defineSpy = vi.spyOn(registry, "define");
const { register, TAG_NAME } = await loadModule("stub");
const { register, TAG_NAME } = await loadModule();
expect(register()).toBe(true);
expect(defineSpy).toHaveBeenCalledTimes(1);
@@ -95,17 +91,17 @@ describe("register", () => {
throw new Error("boom");
});
const { register, TAG_NAME } = await loadModule("stub");
const { register, TAG_NAME } = await loadModule();
expect(register()).toBe(false);
expect(register()).toBe(false);
expect(register()).toBe(false)
expect(defineSpy).toHaveBeenCalledTimes(1);
expect(registry.get(TAG_NAME)).toBeUndefined();
});
it("skips redefinition when element already registered", async () => {
const existing = class extends HTMLElement {};
const { register, TAG_NAME } = await loadModule("stub");
const { register, TAG_NAME } = await loadModule();
registry.define(TAG_NAME, existing);
const defineSpy = vi.spyOn(registry, "define");
@@ -116,7 +112,7 @@ describe("register", () => {
});
it("exposes a constructor with disconnect hook", async () => {
const { register, TAG_NAME } = await loadModule("stub");
const { register, TAG_NAME } = await loadModule();
expect(register()).toBe(true);
@@ -130,6 +126,7 @@ describe("register", () => {
let original: CustomElementConstructor | undefined;
beforeEach(() => {
vi.resetModules();
vi.restoreAllMocks();
vi.unstubAllGlobals();
original = customElements.get("x-vue-echarts");
@@ -144,7 +141,7 @@ describe("register", () => {
});
it("disposes chart when element is removed from DOM", async () => {
const { register, TAG_NAME } = await loadModule("native");
const { register, TAG_NAME } = await loadModule();
expect(register()).toBe(true);