|
| 1 | +""" |
| 2 | +Unit tests for the MicroPythonOS webserver. |
| 3 | +""" |
| 4 | + |
| 5 | +import _thread |
| 6 | +import sys |
| 7 | +import time |
| 8 | +import unittest |
| 9 | + |
| 10 | +sys.path.insert(0, "../internal_filesystem/lib") |
| 11 | + |
| 12 | +from mpos import TaskManager |
| 13 | +from mpos.net.download_manager import DownloadManager |
| 14 | +from mpos.webserver.webserver import WebServer |
| 15 | + |
| 16 | + |
| 17 | +class TestWebServer(unittest.TestCase): |
| 18 | + """Test cases for WebServer.""" |
| 19 | + |
| 20 | + def tearDown(self): |
| 21 | + """Ensure the webserver is stopped after tests.""" |
| 22 | + if WebServer.is_started(): |
| 23 | + WebServer.stop() |
| 24 | + TaskManager.stop() |
| 25 | + |
| 26 | + def test_webserver_serves_webrepl_page(self): |
| 27 | + """Webserver should serve the WebREPL HTML page on root.""" |
| 28 | + |
| 29 | + def start_task_manager(): |
| 30 | + try: |
| 31 | + TaskManager.enable() |
| 32 | + TaskManager.start() |
| 33 | + except KeyboardInterrupt: |
| 34 | + print("TaskManager got KeyboardInterrupt, falling back to REPL shell...") |
| 35 | + except Exception as exc: |
| 36 | + print(f"TaskManager got exception: {exc}") |
| 37 | + |
| 38 | + TaskManager.enable() |
| 39 | + _thread.stack_size(TaskManager.good_stack_size()) |
| 40 | + _thread.start_new_thread(start_task_manager, ()) |
| 41 | + |
| 42 | + startup_timeout = 5.0 |
| 43 | + start_time = time.time() |
| 44 | + while TaskManager.keep_running is not True and (time.time() - start_time) < startup_timeout: |
| 45 | + time.sleep(0.05) |
| 46 | + |
| 47 | + if TaskManager.keep_running is not True: |
| 48 | + self.fail("TaskManager failed to start") |
| 49 | + |
| 50 | + started = WebServer.start() |
| 51 | + if not started: |
| 52 | + self.fail("WebServer failed to start") |
| 53 | + |
| 54 | + startup_wait = 1.0 |
| 55 | + startup_wait_start = time.time() |
| 56 | + while (time.time() - startup_wait_start) < startup_wait: |
| 57 | + time.sleep(0.05) |
| 58 | + |
| 59 | + response_state = {"data": None, "error": None, "done": False} |
| 60 | + |
| 61 | + async def download_task(): |
| 62 | + response_bytes = None |
| 63 | + last_error = None |
| 64 | + url_attempts = ["http://localhost:7890/", "http://127.0.0.1:7890/"] |
| 65 | + for url in url_attempts: |
| 66 | + for _ in range(15): |
| 67 | + try: |
| 68 | + response_bytes = await DownloadManager.download_url(url) |
| 69 | + break |
| 70 | + except Exception as exc: |
| 71 | + last_error = exc |
| 72 | + await TaskManager.sleep(0.5) |
| 73 | + if response_bytes is not None: |
| 74 | + break |
| 75 | + |
| 76 | + if response_bytes is None: |
| 77 | + response_state["error"] = last_error |
| 78 | + else: |
| 79 | + response_state["data"] = response_bytes |
| 80 | + response_state["done"] = True |
| 81 | + |
| 82 | + TaskManager.create_task(download_task()) |
| 83 | + |
| 84 | + timeout_seconds = 20.0 |
| 85 | + start_wait = time.time() |
| 86 | + while not response_state["done"] and (time.time() - start_wait) < timeout_seconds: |
| 87 | + time.sleep(0.1) |
| 88 | + |
| 89 | + if response_state["data"] is None: |
| 90 | + raise response_state["error"] |
| 91 | + |
| 92 | + response_text = response_state["data"].decode("utf-8", "replace") |
| 93 | + self.assertIn("<title>MicroPython WebREPL</title>", response_text) |
| 94 | + |
| 95 | + WebServer.stop() |
| 96 | + self.assertFalse(WebServer.is_started()) |
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