vweb: add tests

vlib/vweb/tests/vweb_test_server.v

@@ -0,0 +1,69 @@
+module main
+
+import os
+import vweb
+import time
+
+struct App {
+	port    int
+	timeout int
+pub mut:
+	vweb    vweb.Context
+}
+
+fn exit_after_timeout(timeout_in_ms int) {
+	time.sleep_ms(timeout_in_ms)
+	// eprintln('webserver is exiting ...')
+	exit(0)
+}
+
+fn main() {
+	if os.args.len != 3 {
+		panic('Usage: `vweb_test_server.exe PORT TIMEOUT_IN_MILLISECONDS`')
+	}
+	http_port := os.args[1].int()
+	assert http_port > 0
+	timeout := os.args[2].int()
+	assert timeout > 0
+	go exit_after_timeout(timeout)
+	//
+	mut app := App{
+		port: http_port
+		timeout: timeout
+	}
+	vweb.run_app<App>(mut app, http_port)
+}
+
+pub fn (mut app App) init() {
+}
+
+pub fn (mut app App) init_once() {
+	eprintln('Started webserver on http://127.0.0.1:$app.port/ , with maximum runtime of $app.timeout milliseconds.')
+}
+
+pub fn (mut app App) index() {
+	app.vweb.text('Welcome to VWeb')
+}
+
+pub fn (mut app App) simple() vweb.Result {
+	app.vweb.text('A simple result')
+	return vweb.Result{}
+}
+
+pub fn (mut app App) html_page() vweb.Result {
+	app.vweb.html('<h1>ok</h1>')
+	return vweb.Result{}
+}
+
+// the following serve custom routes
+['/:user/settings']
+pub fn (mut app App) settings(username string) vweb.Result {
+	app.vweb.html('username: $username')
+	return vweb.Result{}
+}
+
+['/:user/:repo/settings']
+pub fn (mut app App) user_repo_settings(username, repository string) vweb.Result {
+	app.vweb.html('username: $username | repository: $repository')
+	return vweb.Result{}
+}