add moveing of tabs and groups, multi browser support, auto complite into terminal, extract html and adding testing

tests/test_dom.py

@@ -0,0 +1,62 @@
+"""Tests for dom.* commands (require an http/https active tab)."""
+import pytest
+from browser_cli.client import send_command
+
+
+def test_dom_query_body(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    elements = browser("dom.query", {"selector": "body"})
+    assert isinstance(elements, list)
+    assert len(elements) == 1
+    assert elements[0]["tag"] == "body"
+
+
+def test_dom_query_multiple(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    # Every HTML page has at least one element
+    elements = browser("dom.query", {"selector": "*"})
+    assert isinstance(elements, list)
+    assert len(elements) > 1
+
+
+def test_dom_query_no_match(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    elements = browser("dom.query", {"selector": "#zzz_no_such_element_zzz"})
+    assert isinstance(elements, list)
+    assert len(elements) == 0
+
+
+def test_dom_exists_true(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    result = browser("dom.exists", {"selector": "html"})
+    assert result is True
+
+
+def test_dom_exists_false(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    result = browser("dom.exists", {"selector": "#zzz_no_such_element_zzz"})
+    assert result is False
+
+
+def test_dom_text_body(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    texts = browser("dom.text", {"selector": "body"})
+    assert isinstance(texts, list)
+    assert len(texts) > 0
+    assert isinstance(texts[0], str)
+    assert len(texts[0]) > 0
+
+
+def test_dom_attr_returns_list(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    # Get href of all anchor tags — page may or may not have any
+    hrefs = browser("dom.attr", {"selector": "a", "attr": "href"})
+    assert isinstance(hrefs, list)
+
+
+def test_dom_attr_html_lang(browser, http_tab):
+    browser("tabs.active", {"tabId": http_tab["id"]})
+    langs = browser("dom.attr", {"selector": "html", "attr": "lang"})
+    assert isinstance(langs, list)
+    # html element exists so we get exactly one entry (may be empty string if no lang attr)
+    assert len(langs) <= 1