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import os
import pytest
import time
import gymnasium as gym
# register gym environments
import browsergym.miniwob
from browsergym.miniwob.all import (
ClickButtonTask,
ClickOptionTask,
DrawLineTask,
LoginUserTask,
)
__SLOW_MO = 1000 if "DISPLAY_BROWSER" in os.environ else None
__HEADLESS = False if "DISPLAY_BROWSER" in os.environ else True
TASKS = [ClickButtonTask, ClickOptionTask, DrawLineTask, LoginUserTask]
@pytest.mark.parametrize("task_cls", TASKS)
def test_validate_teardown(task_cls):
pw = browsergym.core._get_global_playwright()
browser = pw.chromium.launch(headless=__HEADLESS, slow_mo=__SLOW_MO)
context = browser.new_context()
page = context.new_page()
task = task_cls(seed=42)
task.setup(page=page)
reward, done, msg, info = task.validate(page, [])
assert done is False
task.teardown()
context.close()
browser.close()
@pytest.mark.parametrize("task_cls", TASKS)
def test_episode_max_time(task_cls):
pw = browsergym.core._get_global_playwright()
browser = pw.chromium.launch(headless=__HEADLESS, slow_mo=__SLOW_MO)
context = browser.new_context()
page = context.new_page()
task = task_cls(seed=42, episode_max_time=0.2)
task.setup(page=page)
time.sleep(0.5)
reward, done, msg, info = task.validate(page, [])
assert done is True
assert reward == 0
task.teardown()
context.close()
browser.close()
@pytest.mark.parametrize("task_cls", TASKS)
def test_remove_human_display(task_cls):
pw = browsergym.core._get_global_playwright()
browser = pw.chromium.launch(headless=__HEADLESS, slow_mo=__SLOW_MO)
# remove display
context = browser.new_context()
page = context.new_page()
task = task_cls(seed=42, remove_human_display=True)
task.setup(page=page)
for element_id in ["reward-display", "click-canvas", "sync-task-cover"]:
element_in_dom = page.evaluate(f"!!document.getElementById('{element_id}')")
assert not element_in_dom
assert page.evaluate(f"document.getElementById('query').innerHTML") == ""
for element_id in ["wrap", "area"]:
element_in_dom = page.evaluate(f"!!document.getElementById('{element_id}')")
assert element_in_dom
task.teardown()
context.close()
# keep display
context = browser.new_context()
page = context.new_page()
task = task_cls(seed=42, remove_human_display=False)
task.setup(page=page)
for element_id in ["reward-display", "click-canvas", "sync-task-cover"]:
element_in_dom = page.evaluate(f"!!document.getElementById('{element_id}')")
assert element_in_dom
assert page.evaluate(f"document.getElementById('query').innerHTML") != ""
for element_id in ["wrap", "area"]:
element_in_dom = page.evaluate(f"!!document.getElementById('{element_id}')")
assert element_in_dom
task.teardown()
context.close()
browser.close()
@pytest.mark.skip(reason="TODO: how to get the final viewport size right?")
@pytest.mark.parametrize("task_cls", TASKS)
def test_viewport(task_cls):
env = gym.make(
f"browsergym/{task_cls.get_task_id()}",
headless=__HEADLESS,
slow_mo=__SLOW_MO,
)
obs, info = env.reset(seed=42)
screenshot = obs["screenshot"]
# 3D array (height, width, rgb) of unsigned bytes (between 0 and 255)
# Miniwob viewport should be (320x500)
assert screenshot.shape[0] == 320
assert screenshot.shape[1] == 500
assert screenshot.shape[2] == 3 # RGB
env.close()
@pytest.mark.parametrize("task_cls", TASKS)
def test_forbidden_navigation(task_cls):
pw = browsergym.core._get_global_playwright()
browser = pw.chromium.launch(headless=__HEADLESS, slow_mo=__SLOW_MO)
context = browser.new_context()
page = context.new_page()
task = task_cls(seed=42)
task.setup(page=page)
reward, done, msg, info = task.validate(page, [])
assert reward == 0.0 and done == False
page.goto("http://www.google.com")
reward, done, msg, info = task.validate(page, [])
assert reward == 0.0 and done == True
task.teardown()
context.close()
browser.close()
@pytest.mark.parametrize("task_cls", TASKS)
def test_forbidden_navigation_2(task_cls):
pw = browsergym.core._get_global_playwright()
browser = pw.chromium.launch(headless=__HEADLESS, slow_mo=__SLOW_MO)
context = browser.new_context()
page = context.new_page()
task = task_cls(seed=42)
task.setup(page=page)
reward, done, msg, info = task.validate(page, [])
assert reward == 0.0 and done == False
page2 = context.new_page()
page2.goto("http://www.google.com")
reward, done, msg, info = task.validate(page, [])
assert reward == 0.0 and done == False
reward, done, msg, info = task.validate(page2, [])
assert reward == 0.0 and done == True
task.teardown()
context.close()
browser.close()
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