Add osm-map-nano

scripts/test.cjs

@@ -0,0 +1,67 @@
+const assert = require('node:assert');
+const { spawn } = require('node:child_process');
+const fs = require('node:fs');
+
+const { Browser, Builder, By } = require('selenium-webdriver');
+const firefox = require('selenium-webdriver/firefox');
+
+async function test() {
+ 	const generate_env_var = process.env.OSM_MAP_GENERATE_DATA || 'false';
+	const generete_data = generate_env_var === '1' || generate_env_var.toLowerCase() === 'true';
+
+	const server = spawn('node', ['scripts/server.js'], {stdio: [null, null, 'inherit']}); // show stderr (stdout is read)
+	console.log('Creating selenium driver');
+	const options = new firefox.Options();
+	options.addArguments('--headless');
+	const driver = await new Builder().forBrowser(Browser.FIREFOX).setFirefoxOptions(options).build();
+	try
+	{
+		const max_try = 5;
+		let read_try = 0;
+		for(; read_try < max_try; read_try +=1)
+		{
+			const server_out = server.stdout.read();
+			if(server_out != null)
+			{
+				assert.equal('Server is listening on port 8080\n', server_out.toString(), 'Server not starting properly');
+				break;
+			}
+			await driver.sleep(50);
+		}
+		assert.notEqual(read_try, max_try, 'Timeout waiting for server starting');
+
+		const test_name = 'test';
+		console.log('Fetching test html');
+		await driver.get('http://localhost:8080/build/packages/osm-map-nano/dist/test.html');
+		assert.equal(`OSM Map Test : ${test_name}`, await driver.getTitle(), 'Wrong HTML title');
+
+		let canvas = await driver.findElement(By.id('canvas-test'));
+		const image_url_prefix = 'data:image/png;base64,';
+		const image_data = Buffer.from(
+			(await driver.executeScript('return arguments[0].toDataURL()', canvas)).substring(image_url_prefix.length), 'base64');
+		const expected_data = fs.readFileSync('data/test.png');
+		if(generete_data)
+		{
+			if(!expected_data.equals(image_data))
+			{
+				console.log(`Generating image for test ${test_name}`);
+				fs.writeFileSync('data/test.png', image_data);
+			}
+		}
+		else
+			assert.ok(expected_data.equals(image_data));
+	}
+	catch (error)
+	{
+		console.error('TEST FAILED');
+		console.error(error);
+	}
+	finally
+	{
+		console.log('Exiting selenium driver');
+		await driver.quit();
+		server.kill('SIGINT');
+	}
+}
+
+test();