Inject parity script to all dapps // Expand dapps to any ZIP file (#7260)

* Inject Parity script to all HTML dapps pages

* Small glitch

* Add injection test

* Add Special GHH commit value for serving ZIP files as DAPPS

* Refactor GithubDapp fetcher

* PR Grumbles

dapps/src/tests/home.rs

@@ -60,3 +60,32 @@ fn should_serve_home() {
 	response.assert_header("Content-Type", "text/html");
 	assert_security_headers(&response.headers);
 }
+
+
+#[test]
+fn should_inject_js() {
+	// given
+	let server = serve_ui();
+
+	// when
+	let response = request(server,
+		"\
+			GET / HTTP/1.1\r\n\
+			Host: 127.0.0.1:8080\r\n\
+			Connection: close\r\n\
+			\r\n\
+			{}
+		"
+	);
+
+	// then
+	response.assert_status("HTTP/1.1 200 OK");
+	response.assert_header("Content-Type", "text/html");
+	assert_eq!(
+		response.body.contains(r#"/inject.js"></script>"#),
+		true,
+		"Expected inject script tag in: {}",
+		response.body
+	);
+	assert_security_headers(&response.headers);
+}