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261 lines
10 KiB
Python
261 lines
10 KiB
Python
from typing import List
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import json
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from pathlib import Path
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import re
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import hashlib
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import os
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from unittest.mock import patch
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import pytest
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from selenium.webdriver.common.by import By
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from haystack.nodes.connector.crawler import Crawler
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from haystack.schema import Document
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@pytest.fixture()
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def test_url(samples_path):
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return (samples_path / "crawler").absolute().as_uri()
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def content_match(crawler: Crawler, url: str, crawled_page: Path):
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"""
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:param crawler: the tested Crawler object
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:param url: the URL of the expected page
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:param crawled_page: the output of Crawler (one element of the paths list)
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"""
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crawler.driver.get(url)
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body = crawler.driver.find_element(by=By.TAG_NAME, value="body")
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if crawler.extract_hidden_text:
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expected_crawled_content = body.get_attribute("textContent")
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else:
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expected_crawled_content = body.text
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with open(crawled_page, "r") as crawled_file:
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page_data = json.load(crawled_file)
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return page_data["content"] == expected_crawled_content
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def content_in_results(crawler: Crawler, url: str, results: List[Path], expected_matches_count=1):
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"""
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Makes sure there is exactly one matching page in the list of pages returned
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by the crawler.
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:param crawler: the tested Crawler object
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:param url: the URL of the page to find in the results
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:param results: the crawler's output (list of paths)
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:param expected_matches_count: how many copies of this page should be present in the results (default 1)
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"""
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return sum(content_match(crawler, url, path) for path in results) == expected_matches_count
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@pytest.mark.unit
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@patch("haystack.nodes.connector.crawler.webdriver")
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def test_crawler_url_none_exception(webdriver):
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crawler = Crawler()
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with pytest.raises(ValueError):
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crawler.crawl()
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@pytest.mark.integration
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def test_crawler(tmp_path):
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tmp_dir = tmp_path
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url = ["https://haystack.deepset.ai/"]
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crawler = Crawler(output_dir=tmp_dir, file_path_meta_field_name="file_path")
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documents = crawler.crawl(urls=url, crawler_depth=0)
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docs_path = [Path(doc.meta["file_path"]) for doc in documents]
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results, _ = crawler.run(urls=url, crawler_depth=0)
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docs_result = results["documents"]
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for json_file, document in zip(docs_path, docs_result):
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assert isinstance(json_file, Path)
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assert isinstance(document, Document)
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with open(json_file.absolute(), "r") as read_file:
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file_content = json.load(read_file)
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assert file_content["meta"] == document.meta
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assert file_content["content"] == document.content
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@pytest.mark.integration
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def test_crawler_depth_0_single_url(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, crawler_depth=0, file_path_meta_field_name="file_path")
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documents = crawler.crawl(urls=[test_url + "/index.html"])
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assert len(documents) == 1
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assert content_match(crawler, test_url + "/index.html", documents[0].meta["file_path"])
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@pytest.mark.integration
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def test_crawler_depth_0_many_urls(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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_urls = [test_url + "/index.html", test_url + "/page1.html"]
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documents = crawler.crawl(urls=_urls, crawler_depth=0)
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assert len(documents) == 2
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paths = [doc.meta["file_path"] for doc in documents]
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assert content_in_results(crawler, test_url + "/index.html", paths)
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assert content_in_results(crawler, test_url + "/page1.html", paths)
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@pytest.mark.integration
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def test_crawler_depth_1_single_url(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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documents = crawler.crawl(urls=[test_url + "/index.html"], crawler_depth=1)
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assert len(documents) == 3
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paths = [doc.meta["file_path"] for doc in documents]
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assert content_in_results(crawler, test_url + "/index.html", paths)
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assert content_in_results(crawler, test_url + "/page1.html", paths)
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assert content_in_results(crawler, test_url + "/page2.html", paths)
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@pytest.mark.integration
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def test_crawler_output_file_structure(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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documents = crawler.crawl(urls=[test_url + "/index.html"], crawler_depth=0)
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path = Path(documents[0].meta["file_path"])
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assert content_match(crawler, test_url + "/index.html", path)
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with open(path.absolute(), "r") as doc_file:
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data = json.load(doc_file)
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assert "content" in data
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assert "meta" in data
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assert isinstance(data["content"], str)
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assert len(data["content"].split()) > 2
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@pytest.mark.integration
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def test_crawler_filter_urls(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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documents = crawler.crawl(urls=[test_url + "/index.html"], filter_urls=["index"], crawler_depth=1)
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assert len(documents) == 1
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assert content_match(crawler, test_url + "/index.html", documents[0].meta["file_path"])
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@pytest.mark.integration
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def test_crawler_extract_hidden_text(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path)
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documents, _ = crawler.run(urls=[test_url + "/page_w_hidden_text.html"], extract_hidden_text=True, crawler_depth=0)
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crawled_content = documents["documents"][0].content
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assert "hidden text" in crawled_content
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documents, _ = crawler.run(urls=[test_url + "/page_w_hidden_text.html"], extract_hidden_text=False, crawler_depth=0)
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crawled_content = documents["documents"][0].content
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assert "hidden text" not in crawled_content
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@pytest.mark.integration
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def test_crawler_loading_wait_time(test_url, tmp_path, samples_path):
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loading_wait_time = 3
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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documents = crawler.crawl(
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urls=[test_url + "/page_dynamic.html"], crawler_depth=1, loading_wait_time=loading_wait_time
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)
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assert len(documents) == 4
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paths = [doc.meta["file_path"] for doc in documents]
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with open(f"{samples_path.absolute()}/crawler/page_dynamic_result.txt", "r") as dynamic_result:
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dynamic_result_text = dynamic_result.readlines()
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for path in paths:
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with open(path, "r") as crawled_file:
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page_data = json.load(crawled_file)
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if page_data["meta"]["url"] == test_url + "/page_dynamic.html":
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content = page_data["content"].split("\n")
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print(page_data["content"])
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print("------")
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for line in range(len(dynamic_result_text)):
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assert dynamic_result_text[line].strip() == content[line].strip()
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assert content_in_results(crawler, test_url + "/index.html", paths)
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assert content_in_results(crawler, test_url + "/page1.html", paths)
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assert content_in_results(crawler, test_url + "/page2.html", paths)
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@pytest.mark.integration
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def test_crawler_default_naming_function(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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link = f"{test_url}/page_with_a_very_long_name_to_do_some_tests_Now_let's_add_some_text_just_to_pass_the_129_chars_mark_and_trigger_the_chars_limit_of_the_default_naming_function.html"
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file_name_link = re.sub("[<>:'/\\|?*\0 ]", "_", link[:129])
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file_name_hash = hashlib.md5(f"{link}".encode("utf-8")).hexdigest()
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expected_crawled_file_path = f"{tmp_path}/{file_name_link}_{file_name_hash[-6:]}.json"
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documents = crawler.crawl(urls=[link], crawler_depth=0)
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path = Path(documents[0].meta["file_path"])
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assert os.path.exists(path)
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assert path == Path(expected_crawled_file_path)
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@pytest.mark.integration
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def test_crawler_naming_function(test_url, tmp_path):
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crawler = Crawler(
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output_dir=tmp_path,
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file_path_meta_field_name="file_path",
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crawler_naming_function=lambda link, text: re.sub("[<>:'/\\|?*\0 ]", "_", link),
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)
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link = f"{test_url}/page_dynamic.html"
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file_name_link = re.sub("[<>:'/\\|?*\0 ]", "_", link)
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expected_crawled_file_path = tmp_path / f"{file_name_link}.json"
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documents = crawler.crawl(urls=[test_url + "/page_dynamic.html"], crawler_depth=0)
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path = Path(documents[0].meta["file_path"])
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assert os.path.exists(path)
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assert path == expected_crawled_file_path
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@pytest.mark.integration
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def test_crawler_not_save_file(test_url):
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crawler = Crawler()
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documents = crawler.crawl(urls=[test_url + "/index.html"], crawler_depth=0)
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assert documents[0].meta.get("file_path", None) is None
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@pytest.mark.integration
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def test_crawler_custom_meta_file_path_name(test_url, tmp_path):
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crawler = Crawler()
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documents = crawler.crawl(
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urls=[test_url + "/index.html"], crawler_depth=0, output_dir=tmp_path, file_path_meta_field_name="custom"
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)
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assert documents[0].meta.get("custom", None) is not None
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@pytest.mark.integration
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def test_crawler_depth_2_single_url(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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documents = crawler.crawl(urls=[test_url + "/index.html"], crawler_depth=2)
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assert len(documents) == 6
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paths = [doc.meta["file_path"] for doc in documents]
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assert content_in_results(crawler, test_url + "/index.html", paths)
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assert content_in_results(crawler, test_url + "/page1.html", paths)
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assert content_in_results(crawler, test_url + "/page2.html", paths)
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assert content_in_results(crawler, test_url + "/page1_subpage1.html", paths)
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assert content_in_results(crawler, test_url + "/page1_subpage2.html", paths)
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assert content_in_results(crawler, test_url + "/page2_subpage1.html", paths)
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@pytest.mark.integration
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def test_crawler_depth_2_multiple_urls(test_url, tmp_path):
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crawler = Crawler(output_dir=tmp_path, file_path_meta_field_name="file_path")
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_urls = [test_url + "/index.html", test_url + "/page1.html"]
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documents = crawler.crawl(urls=_urls, crawler_depth=2)
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assert len(documents) == 6
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paths = [doc.meta["file_path"] for doc in documents]
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assert content_in_results(crawler, test_url + "/index.html", paths)
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assert content_in_results(crawler, test_url + "/page1.html", paths)
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assert content_in_results(crawler, test_url + "/page2.html", paths)
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assert content_in_results(crawler, test_url + "/page1_subpage1.html", paths)
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assert content_in_results(crawler, test_url + "/page1_subpage2.html", paths)
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assert content_in_results(crawler, test_url + "/page2_subpage1.html", paths)
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