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Use dev server when running tests #172

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Use dev server when running tests #172

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3 changes: 3 additions & 0 deletions example/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@
</head>
<body>
<div id="root"></div>
<script>
let global = globalThis;
</script>
<script type="module" src="/src/main.tsx"></script>
</body>
</html>
3 changes: 2 additions & 1 deletion example/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,9 @@
"dev": "concurrently \"npm:dev:*\"",
"dev:vite": "vite",
"dev:relay": "relay-compiler --watch",
"preview": "relay-compiler && vite preview --port 3000",
"build": "relay-compiler && tsc --noEmit && vite build",
"test": "concurrently \"npm:build\" && playwright test"
"test": "playwright test"
},
"dependencies": {
"react": "^17.0.0",
Expand Down
9 changes: 9 additions & 0 deletions example/playwright.config.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
import { PlaywrightTestConfig } from "@playwright/test";

const config: PlaywrightTestConfig = {
webServer: {
command: "yarn dev",
port: 3000,
},
};
export default config;
27 changes: 4 additions & 23 deletions example/src/App.spec.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
import { test, expect, Page } from "@playwright/test";
import { GraphQLResponseWithData as RelayGraphQLResponseWithData } from "relay-runtime";
import path from "path";
import { AppQueryResponse } from "./__generated__/AppQuery.graphql";

// Mutable removes the readonly property from a type. This is done because the Relay compiler outputs types with readonly fields.
Expand Down Expand Up @@ -28,25 +27,7 @@ async function modifyGraphQLResponse(
});
}

// This beforeEach hook ensures that the compiled Vite project is served at http://localhost/ for each test.
test.beforeEach(async ({ page }) => {
await page.route("http://localhost/**", (route) => {
if (route.request().resourceType() === "document") {
return route.fulfill({
status: 200,
path: path.join(__dirname, "../dist/index.html"),
});
} else {
const url = new URL(route.request().url());
return route.fulfill({
status: 200,
path: path.join(__dirname, "../dist", url.pathname),
});
}
});
});

test("renders list with many ships", async ({ page }) => {
test("renders list with many ships", async ({ page, baseURL }) => {
await modifyGraphQLResponse(
page,
"https://api.spacex.land/graphql",
Expand All @@ -66,7 +47,7 @@ test("renders list with many ships", async ({ page }) => {
},
);

await page.goto(`http://localhost`, { waitUntil: "networkidle" });
await page.goto(baseURL || "/", { waitUntil: "networkidle" });

// Check title exists and hence that page rendered correctly
const titleTxt = page.locator("h1");
Expand All @@ -82,7 +63,7 @@ test("renders list with many ships", async ({ page }) => {
await expect(await shipsListChildren.nth(1).textContent()).toBe("Ship Two");
});

test("renders list with no ships", async ({ page }) => {
test("renders list with no ships", async ({ page, baseURL }) => {
await modifyGraphQLResponse(
page,
"https://api.spacex.land/graphql",
Expand All @@ -92,7 +73,7 @@ test("renders list with no ships", async ({ page }) => {
},
);

await page.goto(`http://localhost`, { waitUntil: "networkidle" });
await page.goto(baseURL || "/", { waitUntil: "networkidle" });

// Check title exists and hence that page rendered correctly
const titleTxt = page.locator("h1");
Expand Down