Initial Commit

packages/devtools/tooling/test-vite/src/vitest-browser-config/vitest-browser-config.test.ts

@@ -0,0 +1,66 @@
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { TEST_VITE_CODES, TestViteError } from "../error-codes/error-codes.js";
+import { createVitestBrowserConfig } from "./vitest-browser-config.js";
+
+describe("createVitestBrowserConfig", () => {
+    it("works with no arguments", { timeout: 5000 }, () => {
+        const config = createVitestBrowserConfig();
+        expect(config.test?.fileParallelism).toBe(false);
+    });
+
+    it("accepts a custom provider override", { timeout: 5000 }, () => {
+        const provider = { name: "custom" };
+        const config = createVitestBrowserConfig({ provider });
+        const browser = config.test?.browser as { provider?: unknown };
+        expect(browser.provider).toBe(provider);
+    });
+
+    it("defaults to chromium headless with fileParallelism off", {
+        timeout: 5000,
+    }, () => {
+        const config = createVitestBrowserConfig({});
+        const browser = config.test?.browser as {
+            provider?: { name?: string };
+            headless?: boolean;
+            instances?: Array<{ browser: string }>;
+        };
+        expect(browser.provider?.name).toBe("playwright");
+        expect(browser.headless).toBe(true);
+        expect(browser.instances?.[0]?.browser).toBe("chromium");
+        expect(config.test?.fileParallelism).toBe(false);
+    });
+
+    it("accepts multi-browser matrix", { timeout: 5000 }, () => {
+        const config = createVitestBrowserConfig({
+            browsers: ["chromium", "firefox", "webkit"],
+            headless: false,
+            setupFiles: ["./setup.ts"],
+            include: ["custom/**/*.test.ts"],
+        });
+        const browser = config.test?.browser as {
+            instances?: Array<{ browser: string }>;
+            headless?: boolean;
+        };
+        expect(browser.instances?.map((entry) => entry.browser)).toEqual([
+            "chromium",
+            "firefox",
+            "webkit",
+        ]);
+        expect(browser.headless).toBe(false);
+        expect(config.test?.setupFiles).toEqual(["./setup.ts"]);
+        expect(config.test?.include).toEqual(["custom/**/*.test.ts"]);
+    });
+
+    it("throws INVALID_OPTIONS on empty browsers", { timeout: 5000 }, () => {
+        let captured: unknown;
+        try {
+            createVitestBrowserConfig({ browsers: [] });
+        } catch (err) {
+            captured = err;
+        }
+        expect(captured).toBeInstanceOf(TestViteError);
+        expect((captured as TestViteError).code).toBe(
+            TEST_VITE_CODES.INVALID_OPTIONS
+        );
+    });
+});