Add integration test that checks styled-components renders successfully and no incorrect unicode characters are present in the `style` tagbun-v0.0.24

1 files changed, 58 insertions, 0 deletions

diff --git a/integration/snippets/styledcomponents-output.js b/integration/snippets/styledcomponents-output.js
new file mode 100644
index 000000000..898223c3e
--- /dev/null
+++ b/integration/snippets/styledcomponents-output.js
@@ -0,0 +1,58 @@
+import styled from "styled-components";
+import React from "react";
+import ReactDOM from "react-dom";
+
+const ErrorScreenRoot = styled.div`
+  font-family: "Muli", -apple-system, BlinkMacSystemFont, Helvetica, Arial,
+    sans-serif;
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  background: #fff;
+  text-align: center;
+  background-color: #0b2988;
+  color: #fff;
+  font-family: "Muli", -apple-system, BlinkMacSystemFont, Helvetica, Arial,
+    sans-serif;
+  line-height: 1.5em;
+
+  & > p {
+    margin-top: 10px;
+  }
+
+  & a {
+    color: inherit;
+  }
+`;
+
+export function test() {
+  const reactEl = document.createElement("div");
+  document.body.appendChild(reactEl);
+  ReactDOM.render(
+    <ErrorScreenRoot id="error-el">
+      This is an error! Look for the string
+    </ErrorScreenRoot>,
+    reactEl
+  );
+
+  const style = document.querySelector("style[data-styled]");
+  console.assert(style, "style tag should exist");
+  console.assert(
+    style.textContent.split("").every((a) => a.codePointAt(0) < 128),
+    "style tag should not contain invalid unicode codepoints"
+  );
+  console.assert(
+    document.querySelector("#error-el").textContent ===
+      "This is an error! Look for the string"
+  );
+
+  ReactDOM.unmountComponentAtNode(reactEl);
+  reactEl.remove();
+  testDone(import.meta.url);
+}